From a548b604840d1e72038cc01a7d658b5969ea99c1 Mon Sep 17 00:00:00 2001 From: Rene Haas Date: Mon, 18 Jul 2022 21:56:48 +0200 Subject: [PATCH] improve code --- .../dist/overlayscrollbars.css | 13 +- .../dist/overlayscrollbars.esm.js | 323 +++++----- .../dist/overlayscrollbars.esm.js.map | 2 +- .../dist/overlayscrollbars.esm.min.js | 2 +- .../dist/overlayscrollbars.js | 567 ++++++++++-------- .../dist/overlayscrollbars.js.map | 2 +- .../dist/overlayscrollbars.min.js | 2 +- .../scrollbarsSetup.elements.ts | 4 +- .../types/overlayscrollbars.d.ts | 5 +- 9 files changed, 505 insertions(+), 415 deletions(-) diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.css b/packages/overlayscrollbars/dist/overlayscrollbars.css index b3077d0..d96e06a 100644 --- a/packages/overlayscrollbars/dist/overlayscrollbars.css +++ b/packages/overlayscrollbars/dist/overlayscrollbars.css @@ -126,11 +126,14 @@ opacity: 0; visibility: hidden; } +body > .os-scrollbar { + position: fixed; } + .os-scrollbar-transitionless { transition: none; } .os-scrollbar-track { - pointer-events: auto; + pointer-events: none; position: relative; height: 100%; width: 100%; @@ -138,14 +141,14 @@ border: none !important; } .os-scrollbar-handle { - pointer-events: auto; + pointer-events: none; position: absolute; width: 100%; height: 100%; } -.os-scrollbar-handle-off, -.os-scrollbar-track-off { - pointer-events: none; } +.os-scrollbar-handle-interactive, +.os-scrollbar-track-interactive { + pointer-events: auto; } .os-scrollbar-unusable, .os-scrollbar-unusable * { diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js index ae0a5db..d7ea909 100644 --- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js +++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js @@ -183,7 +183,7 @@ const getSetProp = (t, n, o, s) => { if (isUndefined(s)) { return o ? o[t] : n; } - o && (o[t] = s); + o && !isNull(s) && false !== s && (o[t] = s); }; const attr = (t, n, o) => { @@ -194,10 +194,12 @@ const attr = (t, n, o) => { }; const attrClass = (t, n, o, s) => { - const e = attr(t, n) || ""; - const c = new Set(e.split(" ")); - c[s ? "add" : "delete"](o); - attr(t, n, from(c).join(" ").trim()); + if (o) { + const e = attr(t, n) || ""; + const c = new Set(e.split(" ")); + c[s ? "add" : "delete"](o); + attr(t, n, from(c).join(" ").trim()); + } }; const hasAttrClass = (t, n, o) => { @@ -766,6 +768,7 @@ const K = { initialize: false }, scrollbars: { + theme: "os-theme-dark", visibility: "auto", autoHide: "never", autoHideDelay: 800, @@ -926,6 +929,7 @@ const lt = { y: ct }, scrollbars: { + theme: [ nt.string, nt.null ], visibility: rt, autoHide: it, autoHideDelay: ot, @@ -1223,8 +1227,8 @@ const createEnvironment = () => { y: 0 === l.y }; const d = { - k: !a, - B: false + padding: !a, + content: false }; const f = assignDeep({}, K); const _ = { @@ -1232,19 +1236,19 @@ const createEnvironment = () => { P: u, T: a, L: "-1" === style(o, "zIndex"), - F: getRtlScrollBehavior(o, s), - Y: getFlexboxGlue(o, s), - q: t => e("_", t), - G: assignDeep.bind(0, {}, d), - N(t) { + k: getRtlScrollBehavior(o, s), + B: getFlexboxGlue(o, s), + F: t => e("_", t), + Y: assignDeep.bind(0, {}, d), + q(t) { assignDeep(d, t); }, - U: assignDeep.bind(0, {}, f), - W(t) { + G: assignDeep.bind(0, {}, f), + N(t) { assignDeep(f, t); }, - X: assignDeep({}, d), - J: assignDeep({}, f) + U: assignDeep({}, d), + W: assignDeep({}, f) }; removeAttr(o, "style"); removeElements(o); @@ -1292,10 +1296,10 @@ const addDataAttrHost = (t, n) => { const createStructureSetupElements = t => { const n = getEnvironment(); - const {G: o, T: s} = n; + const {Y: o, T: s} = n; const e = getPlugins()[pt]; const c = e && e.I; - const {K: r, Z: i, k: l, B: a} = o(); + const {host: r, viewport: i, padding: l, content: a} = o(); const d = isHTMLElement(t); const f = t; const _ = d ? t : f.target; @@ -1310,11 +1314,11 @@ const createStructureSetupElements = t => { const S = [ y(mt, i, f.viewport), y(mt, i), y(mt) ].filter((t => !b ? t !== _ : true))[0]; const O = S === _; const z = { - tt: _, - K: g ? y(mt, r, f.host) : _, - Z: S, - k: !O && m(mt, l, f.padding), - B: !O && m(mt, a, f.content), + X: _, + J: g ? y(mt, r, f.host) : _, + K: S, + Z: !O && m(mt, l, f.padding), + tt: !O && m(mt, a, f.content), nt: !O && !s && c && c(n), ot: p, st: v, @@ -1332,7 +1336,7 @@ const createStructureSetupElements = t => { return push(t, o && !parent(o) ? o : false); }), []); const elementIsGenerated = t => t ? indexOf(T, t) > -1 : null; - const {tt: L, K: H, k: M, Z: R, B: D, nt: j} = z; + const {X: L, J: H, Z: M, K: R, tt: D, nt: j} = z; const V = []; const k = g && elementIsGenerated(H); const B = g ? L : contents([ D, R, M, H, L ].find((t => false === elementIsGenerated(t)))); @@ -1382,10 +1386,10 @@ const createStructureSetupElements = t => { }; const createTrinsicUpdateSegment = (t, n) => { - const {B: o} = t; + const {tt: o} = t; const [s] = n; return t => { - const {Y: n} = getEnvironment(); + const {B: n} = getEnvironment(); const {_t: e} = s(); const {gt: c} = t; const r = (o || !n) && c; @@ -1403,14 +1407,14 @@ const createTrinsicUpdateSegment = (t, n) => { const createPaddingUpdateSegment = (t, n) => { const [o, s] = n; - const {K: e, k: c, Z: r, ut: i} = t; + const {J: e, Z: c, K: r, ut: i} = t; const [l, a] = createCache({ _: equalTRBL, u: topRightBottomLeft() }, topRightBottomLeft.bind(0, e, "padding", "")); return (t, n, e) => { let [u, d] = a(e); - const {T: f, Y: _} = getEnvironment(); + const {T: f, B: _} = getEnvironment(); const {wt: g} = o(); const {ht: h, vt: v, bt: w} = t; const [p, b] = n("paddingAbsolute"); @@ -1441,7 +1445,7 @@ const createPaddingUpdateSegment = (t, n) => { style(c || r, e); style(r, i); s({ - k: u, + Z: u, yt: !t, M: c ? i : assignDeep({}, e, i) }); @@ -1496,8 +1500,8 @@ const overflowIsVisible = t => 0 === t.indexOf(Ct); const createOverflowUpdateSegment = (t, n) => { const [o, s] = n; - const {K: e, k: c, Z: r, nt: i, ut: l, ft: a} = t; - const {V: u, Y: d, T: f, P: _} = getEnvironment(); + const {J: e, Z: c, K: r, nt: i, ut: l, ft: a} = t; + const {V: u, B: d, T: f, P: _} = getEnvironment(); const g = getPlugins()[pt]; const h = !l && !f && (_.x || _.y); const [v, w] = createCache(zt, fractionalSize.bind(0, r)); @@ -1510,7 +1514,7 @@ const createOverflowUpdateSegment = (t, n) => { height: "" }); if (n) { - const {yt: n, k: s} = o(); + const {yt: n, Z: s} = o(); const {xt: c, R: i} = t; const l = fractionalSize(e); const a = clientSize(e); @@ -1704,8 +1708,8 @@ const prepareUpdateHints = (t, n, o) => { }; const createStructureSetupUpdate = (t, n) => { - const {Z: o} = t; - const {T: s, P: e, Y: c} = getEnvironment(); + const {K: o} = t; + const {T: s, P: e, B: c} = getEnvironment(); const r = !s && (e.x || e.y); const i = [ createTrinsicUpdateSegment(t, n), createPaddingUpdateSegment(t, n), createOverflowUpdateSegment(t, n) ]; return (t, n, s) => { @@ -1727,12 +1731,8 @@ const createStructureSetupUpdate = (t, n) => { each(i, (n => { d = prepareUpdateHints(d, n(d, t, !!s) || {}, s); })); - if (isNumber(a)) { - scrollLeft(o, a); - } - if (isNumber(u)) { - scrollTop(o, u); - } + scrollLeft(o, a); + scrollTop(o, u); return d; }; }; @@ -1746,7 +1746,7 @@ const domRectHasDimensions = t => t && (t.height || t.width); const createSizeObserver = (t, n, o) => { const {Pt: s = false, Lt: e = false} = o || {}; const c = getPlugins()[_t]; - const {F: r} = getEnvironment(); + const {k: r} = getEnvironment(); const i = createDOM(`
`); const l = i[0]; const a = l.firstChild; @@ -2034,8 +2034,8 @@ const createStructureSetupObservers = (t, n, o) => { let e; let c; const [, r] = n; - const {K: i, Z: l, B: a, rt: d, ut: f, dt: _, ft: g} = t; - const {T: h, Y: v} = getEnvironment(); + const {J: i, K: l, tt: a, rt: d, ut: f, dt: _, ft: g} = t; + const {T: h, B: v} = getEnvironment(); const [w] = createCache({ _: equalWH, u: { @@ -2044,14 +2044,21 @@ const createStructureSetupObservers = (t, n, o) => { } }, (() => { const t = _(L, O); - t && g(L, O); - const n = scrollSize(a); - const o = scrollSize(l); - const s = fractionalSize(l); - t && g(L, O, true); + const n = _(T, ""); + const o = n && scrollLeft(l); + const s = n && scrollTop(l); + g(L, O); + g(T, ""); + const e = scrollSize(a); + const c = scrollSize(l); + const r = fractionalSize(l); + g(L, O, t); + g(T, "", n); + scrollLeft(l, o); + scrollTop(l, s); return { - w: o.w + n.w + s.w, - h: o.h + n.h + s.h + w: c.w + e.w + r.w, + h: c.h + e.h + r.h }; })); const p = d ? Lt : Ht.concat(Lt); @@ -2210,7 +2217,7 @@ const Mt = { }; const Rt = { - k: { + Z: { t: 0, r: 0, b: 0, @@ -2285,15 +2292,21 @@ const stopRootClickPropagation = (t, n) => on(t, "mousedown", on.bind(0, n, "cli }); const createScrollbarsSetupElements = (t, n) => { - const {G: o} = getEnvironment(); - const {qt: s} = o(); - const {st: e, tt: c, K: r, Z: i, lt: l} = n; - const a = !l && t.scrollbarsSlot; + const {Y: o} = getEnvironment(); + const {scrollbarsSlot: s} = o(); + const {st: e, X: c, J: r, K: i, lt: l} = n; + const a = l ? null : t.scrollbarsSlot; const u = dynamicInitializationElement([ c, r, i ], (() => r), s, a); - const scrollbarsAddRemoveClass = (t, n, o) => { - const s = o ? addClass : removeClass; + const scrollbarsAddRemoveClass = (t, n, o, s) => { + const e = o ? addClass : removeClass; each(t, (t => { - s(t.Gt, n); + e((s || noop)(t) || t.qt, n); + })); + }; + const scrollbarsHandleStyle = (t, n) => { + each(t, (t => { + const [o, s] = n(t); + style(o, s); })); }; const d = []; @@ -2305,13 +2318,13 @@ const createScrollbarsSetupElements = (t, n) => { const n = t ? F : Y; const o = t ? f : g; const s = isEmptyArray(o) ? W : ""; - const c = createDiv(`${B} ${n} ${s} os-theme-dark`); + const c = createDiv(`${B} ${n} ${s}`); const r = createDiv(q); const i = createDiv(G); const l = { - Gt: c, - Nt: r, - Ut: i + qt: c, + Gt: r, + Nt: i }; appendChildren(c, r); appendChildren(r, i); @@ -2328,8 +2341,8 @@ const createScrollbarsSetupElements = (t, n) => { const w = generateScrollbarDOM.bind(0, true); const p = generateScrollbarDOM.bind(0, false); const appendElements = () => { - appendChildren(u, f[0].Gt); - appendChildren(u, g[0].Gt); + appendChildren(u, f[0].qt); + appendChildren(u, g[0].qt); _((() => { h(W); v(W); @@ -2338,19 +2351,23 @@ const createScrollbarsSetupElements = (t, n) => { w(); p(); return [ { - Wt: { - Xt: f, - Jt: w, - Kt: h + Ut: { + Wt: f, + Xt: w, + Jt: h, + Kt: scrollbarsHandleStyle.bind(0, f) }, Zt: { - Xt: g, - Jt: p, - Kt: v + Wt: g, + Xt: p, + Jt: v, + Kt: scrollbarsHandleStyle.bind(0, g) } }, appendElements, runEachAndClear.bind(0, d) ]; }; +const {min: Vt} = Math; + const createSelfCancelTimeout = t => { let n; const o = t ? _ : f; @@ -2361,120 +2378,146 @@ const createSelfCancelTimeout = t => { }, () => s(n) ]; }; +const refreshScrollbarHandleLength = (t, n, o) => { + const {zt: s, Ot: e} = n; + const c = o ? "x" : "y"; + const r = e[c]; + const i = s[c]; + const l = Vt(1, r / (r + i)); + t((t => [ t.Nt, { + [o ? "width" : "height"]: `${(100 * l).toFixed(3)}%` + } ])); +}; + const createScrollbarsSetup = (t, n, o) => { - let s = 0; + let s; let e; let c; let r; let i; - const l = createState({}); - const [a] = l; - const [u, d] = createSelfCancelTimeout(); - const [f, _] = createSelfCancelTimeout(); - const [g, h] = createSelfCancelTimeout(100); - const [v, w] = createSelfCancelTimeout(100); - const [p, b] = createSelfCancelTimeout((() => s)); - const [y, m, S] = createScrollbarsSetupElements(t, o.Yt); - const {K: x, Z: C} = o.Yt; - const {Wt: $, Zt: O} = y; - const {Kt: z} = $; - const {Kt: A} = O; + let l = 0; + const a = createState({}); + const [u] = a; + const [d, f] = createSelfCancelTimeout(); + const [_, g] = createSelfCancelTimeout(); + const [h, v] = createSelfCancelTimeout(100); + const [w, p] = createSelfCancelTimeout(100); + const [b, y] = createSelfCancelTimeout((() => l)); + const [m, S, x] = createScrollbarsSetupElements(t, o.Yt); + const {J: C, K: $} = o.Yt; + const {Ut: O, Zt: z} = m; + const {Jt: A, Kt: I} = O; + const {Jt: T, Kt: E} = z; const manageScrollbarsAutoHide = (t, n) => { - b(); + y(); if (t) { - z(J); A(J); + T(J); } else { const hide = () => { - z(J, true); A(J, true); + T(J, true); }; - if (s > 0 && !n) { - p(hide); + if (l > 0 && !n) { + b(hide); } else { hide(); } } }; const onHostMouseEnter = () => { - i = c; - i && manageScrollbarsAutoHide(true); + r = e; + r && manageScrollbarsAutoHide(true); }; - const I = [ h, b, w, _, d, S, on(x, "mouseover", onHostMouseEnter, { + const P = [ v, y, p, g, f, x, on(C, "mouseover", onHostMouseEnter, { O: true - }), on(x, "mouseenter", onHostMouseEnter), on(x, "mouseleave", (() => { - i = false; - c && manageScrollbarsAutoHide(false); - })), on(x, "mousemove", (() => { - e && u((() => { - h(); + }), on(C, "mouseenter", onHostMouseEnter), on(C, "mouseleave", (() => { + r = false; + e && manageScrollbarsAutoHide(false); + })), on(C, "mousemove", (() => { + s && d((() => { + v(); manageScrollbarsAutoHide(true); - v((() => { - e && manageScrollbarsAutoHide(false); + w((() => { + s && manageScrollbarsAutoHide(false); })); })); - })), on(C, "scroll", (() => { - r && f((() => { + })), on($, "scroll", (() => { + c && _((() => { manageScrollbarsAutoHide(true); - g((() => { - r && !i && manageScrollbarsAutoHide(false); + h((() => { + c && !r && manageScrollbarsAutoHide(false); })); })); })) ]; - const T = a.bind(0); - T.Yt = y; - T.Ft = m; - return [ (t, i, l) => { - const {Tt: a, Et: u, It: d} = l; - const f = createOptionCheck(n, t, i); - const [_, g] = f("scrollbars.visibility"); - const [h, v] = f("scrollbars.autoHide"); - const [w] = f("scrollbars.autoHideDelay"); - f("scrollbars.dragScrolling"); - f("scrollbars.touchSupport"); - const p = d || g; + const L = u.bind(0); + L.Yt = m; + L.Ft = S; + return [ (t, r, a) => { + const {Tt: u, Et: d, It: f} = a; + const _ = createOptionCheck(n, t, r); + const g = o(); + const [h, v] = _("scrollbars.theme"); + const [w, p] = _("scrollbars.visibility"); + const [b, y] = _("scrollbars.autoHide"); + const [m] = _("scrollbars.autoHideDelay"); + _("scrollbars.dragScrolling"); + _("scrollbars.touchSupport"); + const S = u || d; + const x = f || p; const setScrollbarVisibility = (t, n) => { - const o = "visible" === _ || "auto" === _ && "scroll" === t; + const o = "visible" === w || "auto" === w && "scroll" === t; n(N, o); return o; }; - s = w; - if (p) { - const {Ct: t} = o(); - const n = setScrollbarVisibility(t.x, z); - const s = setScrollbarVisibility(t.y, A); - const e = n && s; - z(U, !e); - A(U, !e); + l = m; + if (x) { + const {Ct: t} = g; + const n = setScrollbarVisibility(t.x, A); + const o = setScrollbarVisibility(t.y, T); + const s = n && o; + A(U, !s); + T(U, !s); } if (v) { - e = "move" === h; - c = "leave" === h; - r = "never" !== h; - manageScrollbarsAutoHide(!r, true); + A(i); + T(i); + A(h, true); + T(h, true); + i = h; } - }, T, runEachAndClear.bind(0, I) ]; + if (y) { + s = "move" === b; + e = "leave" === b; + c = "never" !== b; + manageScrollbarsAutoHide(!c, true); + } + if (S) { + refreshScrollbarHandleLength(I, g, true); + refreshScrollbarHandleLength(E, g); + } + }, L, runEachAndClear.bind(0, P) ]; }; -const Vt = new Set; +const kt = new Set; -const kt = new WeakMap; +const Bt = new WeakMap; const addInstance = (t, n) => { - kt.set(t, n); - Vt.add(t); + Bt.set(t, n); + kt.add(t); }; const removeInstance = t => { + Bt.delete(t); kt.delete(t); - Vt.delete(t); }; -const getInstance = t => kt.get(t); +const getInstance = t => Bt.get(t); const OverlayScrollbars = (t, n, o) => { let s = false; - const {U: e, P: c, q: r} = getEnvironment(); + const {G: e, P: c, F: r} = getEnvironment(); const i = getPlugins(); const l = isHTMLElement(t) ? t : t.target; const a = getInstance(l); @@ -2520,7 +2563,7 @@ const OverlayScrollbars = (t, n, o) => { t && n && _(t, n); }, state() { - const {Ot: t, zt: n, Ct: o, At: e, k: c, yt: r} = v(); + const {Ot: t, zt: n, Ct: o, At: e, Z: c, yt: r} = v(); return assignDeep({}, { overflowEdge: t, overflowAmount: n, @@ -2532,7 +2575,7 @@ const OverlayScrollbars = (t, n, o) => { }); }, elements() { - const {tt: t, K: n, k: o, Z: s, B: e} = v.Yt; + const {X: t, J: n, Z: o, K: s, tt: e} = v.Yt; return assignDeep({}, { target: t, host: n, @@ -2587,7 +2630,7 @@ const OverlayScrollbars = (t, n, o) => { OverlayScrollbars.plugin = addPlugin; OverlayScrollbars.env = () => { - const {V: t, P: n, T: o, F: s, Y: e, L: c, X: r, J: i, G: l, N: a, U: u, W: d} = getEnvironment(); + const {V: t, P: n, T: o, k: s, B: e, L: c, U: r, W: i, Y: l, q: a, G: u, N: d} = getEnvironment(); return assignDeep({}, { scrollbarsSize: t, scrollbarsOverlaid: n, diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map index 040abc9..7b51155 100644 --- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map +++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map @@ -1 +1 @@ -{"version":3,"file":"overlayscrollbars.esm.js","sources":["../src/support/utils/array.ts","../src/support/dom/style.ts","../src/support/cache.ts","../src/support/utils/types.ts","../src/support/utils/object.ts","../src/support/dom/attribute.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../src/support/dom/class.ts","../src/support/utils/equal.ts","../src/support/utils/function.ts","../src/support/dom/dimensions.ts","../src/support/dom/events.ts","../src/support/dom/offset.ts","../src/support/eventListeners.ts","../src/setups/setups.ts","../src/classnames.ts","../src/options.ts","../src/plugins/plugins.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/plugins/optionsValidationPlugin/validation.ts","../src/plugins/optionsValidationPlugin/optionsValidationPlugin.ts","../src/plugins/sizeObserverPlugin/sizeObserverPlugin.ts","../src/plugins/scrollbarsHidingPlugin/scrollbarsHidingPlugin.ts","../src/environment.ts","../src/initialization.ts","../src/setups/structureSetup/structureSetup.elements.ts","../src/setups/structureSetup/updateSegments/trinsicUpdateSegment.ts","../src/setups/structureSetup/updateSegments/paddingUpdateSegment.ts","../src/setups/structureSetup/updateSegments/overflowUpdateSegment.ts","../src/setups/structureSetup/structureSetup.update.ts","../src/observers/sizeObserver.ts","../src/observers/trinsicObserver.ts","../src/observers/domObserver.ts","../src/setups/structureSetup/structureSetup.observers.ts","../src/setups/structureSetup/structureSetup.ts","../src/setups/scrollbarsSetup/scrollbarsSetup.elements.ts","../src/setups/scrollbarsSetup/scrollbarsSetup.ts","../src/instances.ts","../src/overlayscrollbars.ts"],"sourcesContent":["import { isArrayLike, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype RunEachItem = ((...args: any) => any | any[]) | null | undefined;\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each(\r\n array: Array | ReadonlyArray,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray;\r\nexport function each(\r\n array: Array | ReadonlyArray | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | false | null | undefined;\r\nexport function each(\r\n arrayLikeObject: ArrayLike,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike;\r\nexport function each(\r\n arrayLikeObject: ArrayLike | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | false | null | undefined;\r\nexport function each(\r\n obj: PlainObject,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject;\r\nexport function each(\r\n obj: PlainObject | false | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | false | null | undefined;\r\nexport function each(\r\n source: Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined {\r\n if (isArrayLike(source)) {\r\n for (let i = 0; i < source.length; i++) {\r\n if (callback(source[i], i, source) === false) {\r\n break;\r\n }\r\n }\r\n } else if (source) {\r\n each(Object.keys(source), (key) => callback(source[key], key, source));\r\n }\r\n return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = (arr: T[], item: T, fromIndex?: number): number =>\r\n arr.indexOf(item, fromIndex);\r\n\r\n/**\r\n * Pushesh all given items into the given array and returns it.\r\n * @param array The array the items shall be pushed into.\r\n * @param items The items which shall be pushed into the array.\r\n */\r\nexport const push = (array: T[], items: T | ArrayLike, arrayIsSingleItem?: boolean): T[] => {\r\n !arrayIsSingleItem && !isString(items) && isArrayLike(items)\r\n ? Array.prototype.push.apply(array, items as T[])\r\n : array.push(items as T);\r\n return array;\r\n};\r\n\r\n/**\r\n * Creates a shallow-copied Array instance from an array-like or iterable object.\r\n * @param arr The object from which the array instance shall be created.\r\n */\r\nexport const from = (arr?: ArrayLike | Set) => {\r\n const original = Array.from;\r\n const result: T[] = [];\r\n\r\n if (original && arr) {\r\n return original(arr);\r\n }\r\n\r\n if (arr instanceof Set) {\r\n arr.forEach((value) => {\r\n push(result, value);\r\n });\r\n } else {\r\n each(arr, (elm) => {\r\n push(result, elm);\r\n });\r\n }\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the passed array is empty.\r\n * @param array The array which shall be checked.\r\n */\r\nexport const isEmptyArray = (array: any[] | null | undefined): boolean =>\r\n !!array && array.length === 0;\r\n\r\n/**\r\n * Calls all functions in the passed array/set of functions.\r\n * @param arr The array filled with function which shall be called.\r\n * @param args The args with which each function is called.\r\n * @param keep True when the Set / array should not be cleared afterwards, false otherwise.\r\n */\r\nexport const runEachAndClear = (arr: RunEachItem[], args?: any[], keep?: boolean): void => {\r\n // eslint-disable-next-line prefer-spread\r\n const runFn = (fn: RunEachItem) => fn && fn.apply(undefined, args || []);\r\n each(arr, runFn);\r\n !keep && ((arr as any[]).length = 0);\r\n};\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray, isUndefined } from 'support/utils/types';\r\nimport { PlainObject, StyleObject } from 'typings';\r\n\r\nexport interface TRBL {\r\n t: number;\r\n r: number;\r\n b: number;\r\n l: number;\r\n}\r\n\r\nconst cssNumber = {\r\n // animationiterationcount: 1,\r\n // columncount: 1,\r\n // fillopacity: 1,\r\n // flexgrow: 1,\r\n // flexshrink: 1,\r\n // fontweight: 1,\r\n // lineheight: 1,\r\n // order: 1,\r\n // orphans: 1,\r\n // widows: 1,\r\n // zoom: 1,\r\n opacity: 1,\r\n zindex: 1,\r\n};\r\n\r\nconst parseToZeroOrNumber = (value: string, toFloat?: boolean): number => {\r\n /* istanbul ignore next */\r\n const num = toFloat ? parseFloat(value) : parseInt(value, 10);\r\n // num === num means num is not NaN\r\n /* istanbul ignore next */\r\n return num === num ? num : 0; // eslint-disable-line no-self-compare\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number =>\r\n !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;\r\n\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n /* istanbul ignore next */\r\n computedStyle != null\r\n ? computedStyle[prop] || computedStyle.getPropertyValue(prop)\r\n : elm.style[prop];\r\n\r\nconst setCSSVal = (\r\n elm: HTMLElement | false | null | undefined,\r\n prop: string,\r\n val: string | number\r\n): void => {\r\n try {\r\n if (elm) {\r\n const { style: elmStyle } = elm;\r\n if (!isUndefined(elmStyle[prop])) {\r\n elmStyle[prop] = adaptCSSVal(prop, val);\r\n } else {\r\n elmStyle.setProperty(prop, val as string);\r\n }\r\n }\r\n } catch (e) {}\r\n};\r\n\r\n/**\r\n * Gets or sets the passed styles to the passed element.\r\n * @param elm The element to which the styles shall be applied to / be read from.\r\n * @param styles The styles which shall be set or read.\r\n */\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject\r\n): void;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: string\r\n): string;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: Array | string\r\n): { [key: string]: string };\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject | Array | string\r\n): { [key: string]: string } | string | void {\r\n const getSingleStyle = isString(styles);\r\n const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n if (getStyles) {\r\n let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n if (elm) {\r\n const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n getStylesResult = getSingleStyle\r\n ? getCSSVal(elm, computedStyle, styles as string)\r\n : (styles as Array).reduce((result, key) => {\r\n result[key] = getCSSVal(elm, computedStyle, key as string);\r\n return result;\r\n }, getStylesResult);\r\n }\r\n return getStylesResult;\r\n }\r\n each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\n/**\r\n * Hides the passed element (display: none).\r\n * @param elm The element which shall be hidden.\r\n */\r\nexport const hide = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'none' });\r\n};\r\n\r\n/**\r\n * Shows the passed element (display: block).\r\n * @param elm The element which shall be shown.\r\n */\r\nexport const show = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'block' });\r\n};\r\n\r\n/**\r\n * Returns the top right bottom left values of the passed css property.\r\n * @param elm The element of which the values shall be returned.\r\n * @param propertyPrefix The css property prefix. (e.g. \"border\")\r\n * @param propertySuffix The css property suffix. (e.g. \"width\")\r\n */\r\nexport const topRightBottomLeft = (\r\n elm?: HTMLElement | false | null | undefined,\r\n propertyPrefix?: string,\r\n propertySuffix?: string\r\n): TRBL => {\r\n const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : '';\r\n const finalSuffix = propertySuffix ? `-${propertySuffix}` : '';\r\n const top = `${finalPrefix}top${finalSuffix}`;\r\n const right = `${finalPrefix}right${finalSuffix}`;\r\n const bottom = `${finalPrefix}bottom${finalSuffix}`;\r\n const left = `${finalPrefix}left${finalSuffix}`;\r\n const result = style(elm, [top, right, bottom, left]);\r\n return {\r\n t: parseToZeroOrNumber(result[top]),\r\n r: parseToZeroOrNumber(result[right]),\r\n b: parseToZeroOrNumber(result[bottom]),\r\n l: parseToZeroOrNumber(result[left]),\r\n };\r\n};\r\n","export interface CacheOptions {\r\n // initial value of _value.\r\n _initialValue: Value;\r\n // Custom comparison function if shallow compare isn't enough. Returns true if nothing changed.\r\n _equal?: EqualCachePropFunction;\r\n // If true always updates _value and _previous, otherwise they update only when they changed.\r\n _alwaysUpdateValues?: boolean;\r\n}\r\n\r\nexport type CacheValues = [value: T, changed: boolean, previous?: T];\r\n\r\nexport type EqualCachePropFunction = (currentVal: Value, newVal: Value) => boolean;\r\n\r\nexport type CacheUpdater = (current: Value, previous?: Value) => Value;\r\n\r\nexport type UpdateCacheContextual = (newValue: Value, force?: boolean) => CacheValues;\r\n\r\nexport type UpdateCache = (force?: boolean) => CacheValues;\r\n\r\nexport type GetCurrentCache = (force?: boolean) => CacheValues;\r\n\r\nexport type Cache = [UpdateCache, GetCurrentCache];\r\n\r\nexport type CacheContextual = [UpdateCacheContextual, GetCurrentCache];\r\n\r\ntype CreateCache = {\r\n (options: CacheOptions): CacheContextual;\r\n (options: CacheOptions, update: CacheUpdater): Cache;\r\n (options: CacheOptions, update?: CacheUpdater):\r\n | CacheContextual\r\n | Cache;\r\n};\r\n\r\nexport const createCache: CreateCache = (\r\n options: CacheOptions,\r\n update?: CacheUpdater\r\n): CacheContextual | Cache => {\r\n const { _initialValue, _equal, _alwaysUpdateValues } = options;\r\n let _value: Value = _initialValue;\r\n let _previous: Value | undefined;\r\n\r\n const cacheUpdateContextual: UpdateCacheContextual = (newValue, force?) => {\r\n const curr = _value;\r\n\r\n const newVal = newValue;\r\n const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);\r\n\r\n if (changed || _alwaysUpdateValues) {\r\n _value = newVal;\r\n _previous = curr;\r\n }\r\n\r\n return [_value, changed, _previous];\r\n };\r\n const cacheUpdateIsolated: UpdateCache = (force?) =>\r\n cacheUpdateContextual(update!(_value, _previous), force);\r\n\r\n const getCurrentCache: GetCurrentCache = (force?: boolean) => [\r\n _value,\r\n !!force, // changed\r\n _previous,\r\n ];\r\n\r\n return [update ? cacheUpdateIsolated : cacheUpdateContextual, getCurrentCache] as\r\n | CacheContextual\r\n | Cache;\r\n};\r\n","import { PlainObject } from 'typings';\r\n\r\nconst ElementNodeType = Node.ELEMENT_NODE;\r\nconst { toString, hasOwnProperty } = Object.prototype;\r\n\r\nexport const isUndefined = (obj: any): obj is undefined => obj === undefined;\r\n\r\nexport const isNull = (obj: any): obj is null => obj === null;\r\n\r\nexport const type = (obj: any): string =>\r\n isUndefined(obj) || isNull(obj)\r\n ? `${obj}`\r\n : toString\r\n .call(obj)\r\n .replace(/^\\[object (.+)\\]$/, '$1')\r\n .toLowerCase();\r\n\r\nexport const isNumber = (obj: any): obj is number => typeof obj === 'number';\r\n\r\nexport const isString = (obj: any): obj is string => typeof obj === 'string';\r\n\r\nexport const isBoolean = (obj: any): obj is boolean => typeof obj === 'boolean';\r\n\r\nexport const isFunction = (obj: any): obj is (...args: any[]) => any => typeof obj === 'function';\r\n\r\nexport const isArray = (obj: any): obj is Array => Array.isArray(obj);\r\n\r\nexport const isObject = (obj: any): boolean =>\r\n typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport const isArrayLike = (obj: any): obj is ArrayLike => {\r\n const length = !!obj && obj.length;\r\n const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0; // eslint-disable-line eqeqeq\r\n\r\n return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat)\r\n ? length > 0 && isObject(obj)\r\n ? length - 1 in obj\r\n : true\r\n : false;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isPlainObject = (obj: any): obj is PlainObject => {\r\n if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n let key;\r\n const cstr = 'constructor';\r\n const ctor = obj[cstr];\r\n const ctorProto = ctor && ctor.prototype;\r\n const hasOwnConstructor = hasOwnProperty.call(obj, cstr);\r\n const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');\r\n\r\n if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n return false;\r\n }\r\n\r\n /* eslint-disable no-restricted-syntax */\r\n for (key in obj) {\r\n /**/\r\n }\r\n /* eslint-enable */\r\n\r\n return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isHTMLElement = (obj: any): obj is HTMLElement => {\r\n const instanceofObj = HTMLElement;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a Element.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isElement = (obj: any): obj is Element => {\r\n const instanceofObj = Element;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n","import { isArray, isFunction, isPlainObject, isNull } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\n\r\n/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array => (obj ? Object.keys(obj) : []);\r\n\r\ntype AssignDeep = {\r\n (target: T, object1: U): T & U;\r\n (target: T, object1: U, object2: V): T & U & V;\r\n (target: T, object1: U, object2: V, object3: W): T & U & V & W;\r\n (target: T, object1: U, object2: V, object3: W, object4: X): T & U & V & W & X;\r\n (target: T, object1: U, object2: V, object3: W, object4: X, object5: Y): T &\r\n U &\r\n V &\r\n W &\r\n X &\r\n Y;\r\n (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n ): T & U & V & W & X & Y & Z;\r\n};\r\n\r\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport const assignDeep: AssignDeep = (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n): T & U & V & W & X & Y & Z => {\r\n const sources: Array = [object1, object2, object3, object4, object5, object6];\r\n\r\n // Handle case when target is a string or something (possible in deep copy)\r\n if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {\r\n target = {} as T;\r\n }\r\n\r\n each(sources, (source) => {\r\n // Extend the base object\r\n each(keys(source), (key) => {\r\n const copy: any = source[key];\r\n\r\n // Prevent Object.prototype pollution\r\n // Prevent never-ending loop\r\n if (target === copy) {\r\n return true;\r\n }\r\n\r\n const copyIsArray = isArray(copy);\r\n\r\n // Recurse if we're merging plain objects or arrays\r\n if (copy && (isPlainObject(copy) || copyIsArray)) {\r\n const src = target[key];\r\n let clone: any = src;\r\n\r\n // Ensure proper type for the source value\r\n if (copyIsArray && !isArray(src)) {\r\n clone = [];\r\n } else if (!copyIsArray && !isPlainObject(src)) {\r\n clone = {};\r\n }\r\n\r\n // Never move original objects, clone them\r\n target[key] = assignDeep(clone, copy) as any;\r\n } else {\r\n target[key] = copy;\r\n }\r\n });\r\n });\r\n\r\n // Return the modified object\r\n return target as any;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isEmptyObject = (obj: any): boolean => {\r\n /* eslint-disable no-restricted-syntax, guard-for-in */\r\n for (const name in obj) return false;\r\n return true;\r\n /* eslint-enable */\r\n};\r\n","import { from } from 'support/utils/array';\r\nimport { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\ntype Attr = {\r\n (elm: HTMLElement | false | null | undefined, attrName: string): string | null;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value: string): void;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value?: string):\r\n | string\r\n | null\r\n | void;\r\n};\r\n\r\ntype GetSetProp = {\r\n (elm: HTMLElement | false | null | undefined): T;\r\n (elm: HTMLElement | false | null | undefined, value: T): void;\r\n (elm: HTMLElement | false | null | undefined, value?: T): number | void;\r\n};\r\n\r\nconst getSetProp = (\r\n topLeft: GetSetPropName,\r\n fallback: number | string,\r\n elm: HTMLElement | HTMLInputElement | false | null | undefined,\r\n value?: number | string\r\n): number | string | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm[topLeft] : fallback;\r\n }\r\n elm && (elm[topLeft] = value);\r\n};\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport const attr = ((\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value?: string\r\n): string | null | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm.getAttribute(attrName) : null;\r\n }\r\n elm && elm.setAttribute(attrName, value);\r\n}) as Attr;\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and adds or removes the given value from it.\r\n * @param elm The element.\r\n * @param attrName The attributeName to which the value shall be added or removed.\r\n * @param value The value which shall be added or removed.\r\n * @param add True if the value shall be added, false otherwise.\r\n */\r\nexport const attrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string,\r\n add?: boolean\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n currValuesSet[add ? 'add' : 'delete'](value);\r\n\r\n attr(elm, attrName, from(currValuesSet).join(' ').trim());\r\n};\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and checks if the given value is in it.\r\n * @param elm The element.\r\n * @param attrName The attributeName from which the content shall be checked.\r\n * @param value The value.\r\n * @returns True if the given attribute has the value in it, false otherwise.\r\n */\r\nexport const hasAttrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n return currValuesSet.has(value);\r\n};\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | false | null | undefined, attrName: string): void => {\r\n elm && elm.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport const scrollLeft = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void => getSetProp('scrollLeft', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport const scrollTop = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void => getSetProp('scrollTop', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport const val = ((\r\n elm: HTMLInputElement | false | null | undefined,\r\n value?: string\r\n): string | void => getSetProp('value', '', elm, value) as string) as GetSetProp;\r\n","import { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Node | Element | Node | false | null | undefined;\r\ntype OutputElementType = Node | Element | null;\r\n\r\nconst elmPrototype = Element.prototype;\r\n\r\n/**\r\n * Find all elements with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst find = (selector: string, elm?: InputElementType): Element[] => {\r\n const arr: Array = [];\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;\r\n};\r\n\r\n/**\r\n * Find the first element with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst findFirst = (selector: string, elm?: InputElementType): OutputElementType => {\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? rootElm.querySelector(selector) : null;\r\n};\r\n\r\n/**\r\n * Determines whether the passed element is matching with the passed selector.\r\n * @param elm The element which has to be compared with the passed selector.\r\n * @param selector The selector which has to be compared with the passed element. Additional selectors: ':visible' and ':hidden'.\r\n */\r\nconst is = (elm: InputElementType, selector: string): boolean => {\r\n if (isElement(elm)) {\r\n /* istanbul ignore next */\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const fn: (...args: any) => boolean = elmPrototype.matches || elmPrototype.msMatchesSelector;\r\n return fn.call(elm, selector);\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Returns the children (no text-nodes or comments) of the passed element which are matching the passed selector. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the children shall be returned.\r\n * @param selector The selector which must match with the children elements.\r\n */\r\nconst children = (elm: InputElementType, selector?: string): ReadonlyArray => {\r\n const childs: Array = [];\r\n\r\n return isElement(elm)\r\n ? push(\r\n childs,\r\n from(elm.children).filter((child) => (selector ? is(child, selector) : child))\r\n )\r\n : childs;\r\n};\r\n\r\n/**\r\n * Returns the childNodes (incl. text-nodes or comments etc.) of the passed element. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the childNodes shall be returned.\r\n */\r\nconst contents = (elm: InputElementType): ReadonlyArray =>\r\n elm ? from(elm.childNodes) : [];\r\n\r\n/**\r\n * Returns the parent element of the passed element, or null if the passed element is null.\r\n * @param elm The element of which the parent element shall be returned.\r\n */\r\nconst parent = (elm: InputElementType): OutputElementType => (elm ? elm.parentElement : null);\r\n\r\nexport const closest = (elm: InputElementType, selector: string): OutputElementType => {\r\n if (isElement(elm)) {\r\n const closestFn = elmPrototype.closest;\r\n if (closestFn) {\r\n return closestFn.call(elm, selector);\r\n }\r\n\r\n do {\r\n if (is(elm, selector)) {\r\n return elm as Element;\r\n }\r\n elm = parent(elm);\r\n } while (elm);\r\n }\r\n\r\n return null;\r\n};\r\n\r\n/**\r\n * Determines whether the given element lies between two selectors in the DOM.\r\n * @param elm The element.\r\n * @param highBoundarySelector The high boundary selector.\r\n * @param deepBoundarySelector The deep boundary selector.\r\n */\r\nconst liesBetween = (\r\n elm: InputElementType,\r\n highBoundarySelector: string,\r\n deepBoundarySelector: string\r\n): boolean => {\r\n const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);\r\n const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);\r\n\r\n return closestHighBoundaryElm && closestDeepBoundaryElm\r\n ? closestHighBoundaryElm === elm ||\r\n closestDeepBoundaryElm === elm ||\r\n closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm\r\n : false;\r\n};\r\n\r\nexport { find, findFirst, is, children, contents, parent, liesBetween };\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike | Node | false | null | undefined;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (\r\n parentElm: Node | false | null | undefined,\r\n preferredAnchor: Node | false | null | undefined,\r\n insertedElms: NodeCollection\r\n): void => {\r\n if (insertedElms) {\r\n let anchor: Node | false | null | undefined = preferredAnchor;\r\n let fragment: DocumentFragment | Node | null | undefined;\r\n\r\n // parent must be defined\r\n if (parentElm) {\r\n if (isArrayLike(insertedElms)) {\r\n fragment = document.createDocumentFragment();\r\n\r\n // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n each(insertedElms, (insertedElm) => {\r\n if (insertedElm === anchor) {\r\n anchor = insertedElm.previousSibling;\r\n }\r\n fragment!.appendChild(insertedElm);\r\n });\r\n } else {\r\n fragment = insertedElms;\r\n }\r\n\r\n // if the preferred anchor isn't null set it to a valid anchor\r\n if (preferredAnchor) {\r\n if (!anchor) {\r\n anchor = parentElm.firstChild;\r\n } else if (anchor !== preferredAnchor) {\r\n anchor = anchor.nextSibling;\r\n }\r\n }\r\n\r\n parentElm.insertBefore(fragment, anchor || null);\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n if (isArrayLike(nodes)) {\r\n each(from(nodes), (e) => removeElements(e));\r\n } else if (nodes) {\r\n const parentElm = parent(nodes);\r\n if (parentElm) {\r\n parentElm.removeChild(nodes);\r\n }\r\n }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { attr } from 'support/dom/attribute';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\n/**\r\n * Creates a div DOM node.\r\n */\r\nexport const createDiv = (classNames?: string): HTMLDivElement => {\r\n const div = document.createElement('div');\r\n if (classNames) {\r\n attr(div, 'class', classNames);\r\n }\r\n return div;\r\n};\r\n\r\n/**\r\n * Creates DOM nodes modeled after the passed html string and returns the root dom nodes as a array.\r\n * @param html The html string after which the DOM nodes shall be created.\r\n */\r\nexport const createDOM = (html: string): ReadonlyArray => {\r\n const createdDiv = createDiv();\r\n createdDiv.innerHTML = html.trim();\r\n\r\n return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { hasOwnProperty } from 'support/utils/object';\r\nimport { createDiv } from 'support/dom/create';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray = [\r\n 'WebKit',\r\n 'Moz',\r\n 'O',\r\n 'MS',\r\n 'webkit',\r\n 'moz',\r\n 'o',\r\n 'ms',\r\n];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without it, or and empty string if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string => {\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const uppercasedName: string = firstLetterToUpper(name);\r\n const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n each(cssPrefixes, (prefix: string) => {\r\n const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n const resultPossibilities: Array = [\r\n name, // transition\r\n prefix + name, // -webkit-transition\r\n prefixWithoutDashes + uppercasedName, // webkitTransition\r\n firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n ];\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return !(result = resultPossibilities.find(\r\n (resultPossibility: string) => elmStyle[resultPossibility] !== undefined\r\n ));\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported without it, or an empty string if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string => {\r\n const name = `${property} ${values}`;\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n const possbleValues: Array = values.split(' ');\r\n const preparedSuffix: string = suffix || '';\r\n const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n each(possbleValues, (possibleValue: string) => {\r\n each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n const prop = prefix + possibleValue;\r\n dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n if (dummyStyle.length) {\r\n result = prop;\r\n return false;\r\n }\r\n });\r\n return !result;\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): T | undefined => {\r\n let result: any = jsCache[name] || window[name];\r\n\r\n if (hasOwnProperty(jsCache, name)) {\r\n return result;\r\n }\r\n\r\n each(jsPrefixes, (prefix: string) => {\r\n result = result || window[prefix + firstLetterToUpper(name)];\r\n return !result;\r\n });\r\n\r\n jsCache[name] = result;\r\n return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const MutationObserverConstructor = jsAPI('MutationObserver');\r\nexport const IntersectionObserverConstructor =\r\n jsAPI('IntersectionObserver');\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\r\nexport const setT = window.setTimeout as (handler: TimerHandler, timeout?: number) => number;\r\nexport const clearT = window.clearTimeout as (id?: number) => void;\r\n","import { isString } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { keys } from 'support/utils/object';\r\n\r\ntype ClassContainingElement = Node | Element | false | null | undefined;\r\ntype ClassName = string | false | null | undefined;\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: ClassContainingElement,\r\n className: ClassName,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): boolean => {\r\n const classList = elm && (elm as Element).classList;\r\n let clazz: string;\r\n let i = 0;\r\n let result = false;\r\n\r\n if (classList && className && isString(className)) {\r\n const classes: Array = className.match(rnothtmlwhite) || [];\r\n result = classes.length > 0;\r\n while ((clazz = classes[i++])) {\r\n result = !!action(classList, clazz) && result;\r\n }\r\n }\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: ClassContainingElement, className: ClassName): boolean =>\r\n classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: ClassContainingElement, className: ClassName): void => {\r\n classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n * @returns A function which removes the added class name(s).\r\n */\r\nexport const addClass = (elm: ClassContainingElement, className: ClassName): (() => void) => {\r\n classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n return removeClass.bind(0, elm, className);\r\n};\r\n\r\n/**\r\n * Takes two className strings, compares them and returns the difference as array.\r\n * @param classNameA ClassName A.\r\n * @param classNameB ClassName B.\r\n */\r\nexport const diffClass = (classNameA: ClassName, classNameB: ClassName) => {\r\n const classNameASplit = classNameA && classNameA.split(' ');\r\n const classNameBSplit = classNameB && classNameB.split(' ');\r\n const tempObj = {};\r\n\r\n each(classNameASplit, (className) => {\r\n tempObj[className] = 1;\r\n });\r\n each(classNameBSplit, (className) => {\r\n if (tempObj[className]) {\r\n delete tempObj[className];\r\n } else {\r\n tempObj[className] = 1;\r\n }\r\n });\r\n\r\n return keys(tempObj);\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { WH, XY, TRBL } from 'support/dom';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Compares two objects and returns true if all values of the passed prop names are identical, false otherwise or if one of the two object is falsy.\r\n * @param a Object a.\r\n * @param b Object b.\r\n * @param props The props which shall be compared.\r\n */\r\nexport const equal = (\r\n a: T | undefined,\r\n b: T | undefined,\r\n props: Array,\r\n propMutation?: ((value: any) => any) | null | false\r\n): boolean => {\r\n if (a && b) {\r\n let result = true;\r\n each(props, (prop) => {\r\n const compareA = propMutation ? propMutation(a[prop]) : a[prop];\r\n const compareB = propMutation ? propMutation(b[prop]) : b[prop];\r\n if (compareA !== compareB) {\r\n result = false;\r\n }\r\n });\r\n return result;\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalWH = (a?: WH, b?: WH) => equal>(a, b, ['w', 'h']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalXY = (a?: XY, b?: XY) => equal>(a, b, ['x', 'y']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalTRBL = (a?: TRBL, b?: TRBL) => equal(a, b, ['t', 'r', 'b', 'l']);\r\n\r\n/**\r\n * Compares two DOM Rects for their equality of their width and height properties\r\n * Also returns false if one of the DOM Rects is undefined or null.\r\n * @param a DOM Rect a.\r\n * @param b DOM Rect b.\r\n * @param round Whether the values should be rounded.\r\n */\r\nexport const equalBCRWH = (a?: DOMRect, b?: DOMRect, round?: boolean) =>\r\n equal(a, b, ['width', 'height'], round && ((value) => Math.round(value)));\r\n","import { isNumber, isFunction } from 'support/utils/types';\r\nimport { from } from 'support/utils/array';\r\nimport { rAF, cAF, setT, clearT } from 'support/compatibility/apis';\r\n\r\ntype DebounceTiming = number | false | null | undefined;\r\n\r\nexport interface DebounceOptions any> {\r\n /**\r\n * The timeout for debouncing. If null, no debounce is applied.\r\n */\r\n _timeout?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * A maximum amount of ms. before the function will be called even with debounce.\r\n */\r\n _maxDelay?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * Function which merges parameters for each canceled debounce.\r\n * If parameters can't be merged the function will return null, otherwise it returns the merged parameters.\r\n */\r\n _mergeParams?: (\r\n prev: Parameters,\r\n curr: Parameters\r\n ) => Parameters | false | null | undefined;\r\n}\r\n\r\nexport interface Debounced any> {\r\n (...args: Parameters): ReturnType;\r\n _flush(): void;\r\n}\r\n\r\nexport const noop = () => {}; // eslint-disable-line\r\n\r\n/**\r\n * Debounces the given function either with a timeout or a animation frame.\r\n * @param functionToDebounce The function which shall be debounced.\r\n * @param options Options for debouncing.\r\n */\r\nexport const debounce = any>(\r\n functionToDebounce: FunctionToDebounce,\r\n options?: DebounceOptions\r\n): Debounced => {\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n let clear: () => void = noop;\r\n const { _timeout, _maxDelay, _mergeParams } = options || {};\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clear();\r\n clearT(maxTimeoutId);\r\n maxTimeoutId = prevArguments = undefined;\r\n clear = noop;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n functionToDebounce.apply(this, args);\r\n };\r\n\r\n const mergeParms = (\r\n curr: Parameters\r\n ): Parameters | false | null | undefined =>\r\n _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;\r\n\r\n const flush = () => {\r\n /* istanbul ignore next */\r\n if (clear !== noop) {\r\n invokeFunctionToDebounce(mergeParms(latestArguments!) || latestArguments!);\r\n }\r\n };\r\n\r\n const debouncedFn = function () {\r\n // eslint-disable-next-line prefer-rest-params\r\n const args: Parameters = from(arguments) as Parameters;\r\n const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;\r\n const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;\r\n\r\n if (hasTimeout) {\r\n const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;\r\n const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;\r\n const setTimeoutFn = finalTimeout > 0 ? setT : rAF!;\r\n const clearTimeoutFn = finalTimeout > 0 ? clearT : cAF!;\r\n const mergeParamsResult = mergeParms(args);\r\n const invokedArgs = mergeParamsResult || args;\r\n const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);\r\n\r\n // if (!mergeParamsResult) {\r\n // invokeFunctionToDebounce(prevArguments || args);\r\n // }\r\n\r\n clear();\r\n // @ts-ignore\r\n const timeoutId = setTimeoutFn(boundInvoke, finalTimeout);\r\n clear = () => clearTimeoutFn(timeoutId);\r\n\r\n if (hasMaxWait && !maxTimeoutId) {\r\n maxTimeoutId = setT(flush, finalMaxWait as number);\r\n }\r\n\r\n prevArguments = latestArguments = invokedArgs;\r\n } else {\r\n invokeFunctionToDebounce(args);\r\n }\r\n };\r\n debouncedFn._flush = flush;\r\n\r\n return debouncedFn as Debounced;\r\n};\r\n","import { style } from 'support/dom/style';\r\n\r\nexport interface WH {\r\n w: T;\r\n h: T;\r\n}\r\n\r\nconst elementHasDimensions = (elm: HTMLElement): boolean =>\r\n !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\nconst zeroObj: WH = {\r\n w: 0,\r\n h: 0,\r\n};\r\n\r\n/**\r\n * Returns the window inner- width and height.\r\n */\r\nexport const windowSize = (): WH => ({\r\n w: window.innerWidth,\r\n h: window.innerHeight,\r\n});\r\n\r\n/**\r\n * Returns the scroll- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the scroll- width and height shall be returned.\r\n */\r\nexport const offsetSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.offsetWidth,\r\n h: elm.offsetHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const clientSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.clientWidth,\r\n h: elm.clientHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const scrollSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.scrollWidth,\r\n h: elm.scrollHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the fractional- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the fractional- width and height shall be returned.\r\n */\r\nexport const fractionalSize = (elm: HTMLElement | false | null | undefined): WH => {\r\n const cssHeight = parseFloat(style(elm, 'height')) || 0;\r\n const cssWidth = parseFloat(style(elm, 'height')) || 0;\r\n return {\r\n w: cssWidth - Math.round(cssWidth),\r\n h: cssHeight - Math.round(cssHeight),\r\n };\r\n};\r\n\r\n/**\r\n * Returns the BoundingClientRect of the passed element.\r\n * @param elm The element of which the BoundingClientRect shall be returned.\r\n */\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n\r\n/**\r\n * Determines whether the passed element has any dimensions.\r\n * @param elm The element.\r\n */\r\nexport const hasDimensions = (elm: HTMLElement | false | null | undefined): boolean =>\r\n elm ? elementHasDimensions(elm as HTMLElement) : false;\r\n","import { isUndefined } from 'support/utils/types';\r\nimport { each, push, runEachAndClear } from 'support/utils/array';\r\n\r\nlet passiveEventsSupport: boolean;\r\nconst supportPassiveEvents = (): boolean => {\r\n if (isUndefined(passiveEventsSupport)) {\r\n passiveEventsSupport = false;\r\n try {\r\n /* eslint-disable */\r\n // @ts-ignore\r\n window.addEventListener(\r\n 'test',\r\n null,\r\n Object.defineProperty({}, 'passive', {\r\n get() {\r\n passiveEventsSupport = true;\r\n },\r\n })\r\n );\r\n /* eslint-enable */\r\n } catch (e) {}\r\n }\r\n return passiveEventsSupport;\r\n};\r\nconst splitEventNames = (eventNames: string) => eventNames.split(' ');\r\n\r\nexport interface OnOptions {\r\n _capture?: boolean;\r\n _passive?: boolean;\r\n _once?: boolean;\r\n}\r\n\r\n/**\r\n * Removes the passed event listener for the passed events with the passed options.\r\n * @param target The element from which the listener shall be removed.\r\n * @param eventNames The eventsnames for which the listener shall be removed.\r\n * @param listener The listener which shall be removed.\r\n * @param capture The options of the removed listener.\r\n */\r\nexport const off = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n capture?: boolean\r\n): void => {\r\n each(splitEventNames(eventNames), (eventName) => {\r\n target.removeEventListener(eventName, listener as EventListener, capture);\r\n });\r\n};\r\n\r\n/**\r\n * Adds the passed event listener for the passed eventnames with the passed options.\r\n * @param target The element to which the listener shall be added.\r\n * @param eventNames The eventsnames for which the listener shall be called.\r\n * @param listener The listener which is called on the eventnames.\r\n * @param options The options of the added listener.\r\n */\r\nexport const on = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n options?: OnOptions\r\n): (() => void) => {\r\n const doSupportPassiveEvents = supportPassiveEvents();\r\n const passive = (doSupportPassiveEvents && options && options._passive) ?? doSupportPassiveEvents;\r\n const capture = (options && options._capture) || false;\r\n const once = (options && options._once) || false;\r\n const offListeners: (() => void)[] = [];\r\n const nativeOptions: AddEventListenerOptions | boolean = doSupportPassiveEvents\r\n ? {\r\n passive,\r\n capture,\r\n }\r\n : capture;\r\n\r\n each(splitEventNames(eventNames), (eventName) => {\r\n const finalListener = (\r\n once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener\r\n ) as EventListener;\r\n\r\n push(offListeners, off.bind(null, target, eventName, finalListener, capture));\r\n target.addEventListener(eventName, finalListener, nativeOptions);\r\n });\r\n\r\n return runEachAndClear.bind(0, offListeners);\r\n};\r\n\r\n/**\r\n * Shorthand for the stopPropagation event Method.\r\n * @param evt The event of which the stopPropagation method shall be called.\r\n */\r\nexport const stopPropagation = (evt: Event): void => evt.stopPropagation();\r\n\r\n/**\r\n * Shorthand for the preventDefault event Method.\r\n * @param evt The event of which the preventDefault method shall be called.\r\n */\r\nexport const preventDefault = (evt: Event): void => evt.preventDefault();\r\n\r\n/**\r\n * Shorthand for the stopPropagation and preventDefault event Method.\r\n * @param evt The event of which the stopPropagation and preventDefault methods shall be called.\r\n */\r\nexport const stopAndPrevent = (evt: Event): void =>\r\n (stopPropagation(evt) as undefined) || (preventDefault(evt) as undefined);\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\n\r\nexport interface XY {\r\n x: T;\r\n y: T;\r\n}\r\n\r\nconst zeroObj: XY = {\r\n x: 0,\r\n y: 0,\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element relative to the document. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const absoluteCoordinates = (elm: HTMLElement | null | undefined): XY => {\r\n const rect = elm ? getBoundingClientRect(elm) : 0;\r\n return rect\r\n ? {\r\n x: rect.left + window.pageYOffset,\r\n y: rect.top + window.pageXOffset,\r\n }\r\n : zeroObj;\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const offsetCoordinates = (elm: HTMLElement | null | undefined): XY =>\r\n elm\r\n ? {\r\n x: elm.offsetLeft,\r\n y: elm.offsetTop,\r\n }\r\n : zeroObj;\r\n","import { isArray } from 'support/utils/types';\r\nimport { keys } from 'support/utils/object';\r\nimport { each, from, isEmptyArray } from 'support/utils/array';\r\n\r\nexport type EventListener<\r\n EventMap extends Record,\r\n Name extends keyof EventMap = keyof EventMap\r\n> = (...args: EventMap[Name]) => void;\r\n\r\nexport type InitialEventListeners> = {\r\n [K in keyof EventMap]?: EventListener | EventListener[];\r\n};\r\n\r\nconst manageListener = >(\r\n callback: (listener?: EventListener) => void,\r\n listener?: EventListener | EventListener[]\r\n) => {\r\n each(isArray(listener) ? listener : [listener], callback);\r\n};\r\n\r\nexport const createEventListenerHub = >(\r\n initialEventListeners?: InitialEventListeners\r\n) => {\r\n type EventListener = (\r\n ...args: EventMap[Name]\r\n ) => void;\r\n type RemoveEvent = {\r\n (name?: Name, listener?: EventListener): void;\r\n (name?: Name, listener?: EventListener[]): void;\r\n (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void;\r\n };\r\n type AddEvent = {\r\n (name: Name, listener: EventListener): () => void;\r\n (name: Name, listener: EventListener[]): () => void;\r\n (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): () => void;\r\n };\r\n type TriggerEvent = {\r\n (name: Name, args?: EventMap[Name]): void;\r\n };\r\n\r\n const events = new Map>();\r\n\r\n const removeEvent: RemoveEvent = (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void => {\r\n if (name) {\r\n const eventSet = events.get(name);\r\n manageListener((currListener) => {\r\n if (eventSet) {\r\n eventSet[currListener ? 'delete' : 'clear'](currListener!);\r\n }\r\n }, listener as any);\r\n } else {\r\n events.forEach((eventSet) => {\r\n eventSet.clear();\r\n });\r\n events.clear();\r\n }\r\n };\r\n\r\n const addEvent: AddEvent = (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): (() => void) => {\r\n const eventSet = events.get(name) || new Set();\r\n events.set(name, eventSet);\r\n\r\n manageListener((currListener) => {\r\n currListener && eventSet.add(currListener);\r\n }, listener as any);\r\n\r\n return removeEvent.bind(0, name as any, listener as any);\r\n };\r\n\r\n const triggerEvent: TriggerEvent = (\r\n name: Name,\r\n args?: EventMap[Name]\r\n ): void => {\r\n const eventSet = events.get(name);\r\n\r\n each(from(eventSet), (event) => {\r\n if (args && !isEmptyArray(args)) {\r\n (event as (...args: EventMap[keyof EventMap]) => void).apply(0, args as any);\r\n } else {\r\n (event as () => void)();\r\n }\r\n });\r\n };\r\n\r\n const initialListenerKeys = keys(initialEventListeners) as Extract[];\r\n each(initialListenerKeys, (key) => {\r\n addEvent(key, initialEventListeners![key] as any);\r\n });\r\n\r\n return [addEvent, removeEvent, triggerEvent] as [AddEvent, RemoveEvent, TriggerEvent];\r\n};\r\n","import { assignDeep, hasOwnProperty } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { PartialOptions } from 'typings';\r\n\r\nexport type SetupElements> = [elements: T, destroy: () => void];\r\n\r\nexport type SetupUpdate = (\r\n changedOptions: PartialOptions,\r\n force: boolean,\r\n ...args: T\r\n) => void;\r\n\r\nexport type SetupUpdateCheckOption = (path: string) => [value: T, changed: boolean];\r\n\r\nexport type SetupUpdateSegment> = (\r\n updateHints: Hints,\r\n checkOption: SetupUpdateCheckOption,\r\n force: boolean\r\n) => Partial | void;\r\n\r\nexport type SetupState> = [\r\n get: () => T,\r\n set: (newState: Partial) => void\r\n];\r\n\r\nexport type Setup<\r\n DynamicState,\r\n StaticState extends Record = Record,\r\n A extends any[] = []\r\n> = [update: SetupUpdate, state: (() => DynamicState) & StaticState, destroy: () => void];\r\n\r\nconst getPropByPath = (obj: any, path: string): T =>\r\n obj\r\n ? path.split('.').reduce((o, prop) => (o && hasOwnProperty(o, prop) ? o[prop] : undefined), obj)\r\n : undefined;\r\n\r\nexport const createOptionCheck =\r\n (\r\n options: ReadonlyOSOptions,\r\n changedOptions: PartialOptions,\r\n force?: boolean\r\n ): SetupUpdateCheckOption =>\r\n (path: string) =>\r\n [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== undefined];\r\n\r\nexport const createState = (initialState: S): SetupState => {\r\n let state: S = initialState;\r\n return [\r\n () => state,\r\n (newState: Partial) => {\r\n state = assignDeep({}, state, newState);\r\n },\r\n ];\r\n};\r\n","export const classNameEnvironment = 'os-environment';\r\nexport const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;\r\nexport const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;\r\n\r\nexport const dataAttributeHost = 'data-overlayscrollbars';\r\nexport const dataAttributeHostOverflowX = `${dataAttributeHost}-overflow-x`;\r\nexport const dataAttributeHostOverflowY = `${dataAttributeHost}-overflow-y`;\r\nexport const dataValueHostOverflowVisible = 'overflowVisible';\r\nexport const dataValueHostViewportScrollbarStyling = 'viewportStyled';\r\nexport const classNamePadding = 'os-padding';\r\nexport const classNameViewport = 'os-viewport';\r\nexport const classNameViewportArrange = `${classNameViewport}-arrange`;\r\nexport const classNameContent = 'os-content';\r\nexport const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;\r\nexport const classNameOverflowVisible = `os-overflow-visible`;\r\n\r\nexport const classNameSizeObserver = 'os-size-observer';\r\nexport const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;\r\nexport const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;\r\nexport const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;\r\nexport const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;\r\nexport const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;\r\n\r\nexport const classNameTrinsicObserver = 'os-trinsic-observer';\r\n\r\nexport const classNameScrollbar = 'os-scrollbar';\r\nexport const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;\r\nexport const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;\r\nexport const classNameScrollbarTrack = 'os-scrollbar-track';\r\nexport const classNameScrollbarHandle = 'os-scrollbar-handle';\r\nexport const classNamesScrollbarVisible = `${classNameScrollbar}-visible`;\r\nexport const classNamesScrollbarCornerless = `${classNameScrollbar}-cornerless`;\r\nexport const classNamesScrollbarTransitionless = `${classNameScrollbar}-transitionless`;\r\nexport const classNamesScrollbarInteraction = `${classNameScrollbar}-interaction`;\r\nexport const classNamesScrollbarAutoHidden = `${classNameScrollbar}-auto-hidden`;\r\n","import { assignDeep, each, isObject, keys, isArray, hasOwnProperty, isFunction } from 'support';\r\nimport { PartialOptions, ReadonlyOptions } from 'typings';\r\n\r\nconst opsStringify = (value: any) =>\r\n JSON.stringify(value, (_, val) => {\r\n if (isFunction(val)) {\r\n throw new Error();\r\n }\r\n return val;\r\n });\r\n\r\nexport type ResizeBehavior = 'none' | 'both' | 'horizontal' | 'vertical';\r\n\r\nexport type OverflowBehavior =\r\n | 'hidden'\r\n | 'scroll'\r\n | 'visible'\r\n | 'visible-hidden'\r\n | 'visible-scroll';\r\n\r\nexport type ScrollbarVisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type ScrollbarAutoHideBehavior = 'never' | 'scroll' | 'leave' | 'move';\r\n\r\nexport type ScrollBehavior = 'always' | 'ifneeded' | 'never';\r\n\r\nexport type BasicEventCallback = (this: any) => void;\r\n\r\nexport type ScrollEventCallback = (this: any, args?: UIEvent) => void;\r\n\r\nexport type OverflowChangedCallback = (this: any, args?: OverflowChangedArgs) => void;\r\n\r\nexport type OverflowAmountChangedCallback = (this: any, args?: OverflowAmountChangedArgs) => void;\r\n\r\nexport type DirectionChangedCallback = (this: any, args?: DirectionChangedArgs) => void;\r\n\r\nexport type SizeChangedCallback = (this: any, args?: SizeChangedArgs) => void;\r\n\r\nexport type UpdatedCallback = (this: any, args?: UpdatedArgs) => void;\r\n\r\nexport interface Options {\r\n paddingAbsolute: boolean;\r\n updating: {\r\n elementEvents: Array<[elementSelector: string, eventNames: string]> | null;\r\n attributes: string[] | null;\r\n debounce: [timeout: number, maxWait: number] | number | null; // (if tuple: [timeout: 0, maxWait: 33], if number: [timeout: number, maxWait: false]) debounce for content Changes\r\n ignoreMutation: ((mutation: MutationRecord) => any) | null;\r\n };\r\n overflow: {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n };\r\n scrollbars: {\r\n visibility: ScrollbarVisibilityBehavior;\r\n autoHide: ScrollbarAutoHideBehavior;\r\n autoHideDelay: number;\r\n dragScroll: boolean;\r\n clickScroll: boolean;\r\n touch: boolean;\r\n };\r\n nativeScrollbarsOverlaid: {\r\n show: boolean;\r\n initialize: boolean;\r\n };\r\n}\r\n\r\nexport type ReadonlyOSOptions = ReadonlyOptions;\r\n\r\nexport interface OverflowChangedArgs {\r\n x: boolean;\r\n y: boolean;\r\n xScrollable: boolean;\r\n yScrollable: boolean;\r\n clipped: boolean;\r\n}\r\n\r\nexport interface OverflowAmountChangedArgs {\r\n x: number;\r\n y: number;\r\n}\r\n\r\nexport interface DirectionChangedArgs {\r\n isRTL: number;\r\n dir: string;\r\n}\r\n\r\nexport interface SizeChangedArgs {\r\n width: number;\r\n height: number;\r\n}\r\n\r\nexport interface UpdatedArgs {\r\n forced: boolean;\r\n}\r\n\r\nexport const defaultOptions: Options = {\r\n // resize: 'none', // none || both || horizontal || vertical || n || b || h || v\r\n paddingAbsolute: false, // true || false\r\n updating: {\r\n elementEvents: [['img', 'load']], // array of tuples || null\r\n debounce: [0, 33], // number || number array || null\r\n attributes: null, // string array || null\r\n ignoreMutation: null, // () => any || null\r\n },\r\n overflow: {\r\n x: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n y: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n },\r\n nativeScrollbarsOverlaid: {\r\n show: false, // true || false\r\n initialize: false, // true || false\r\n },\r\n scrollbars: {\r\n visibility: 'auto', // visible || hidden || auto || v || h || a\r\n autoHide: 'never', // never || scroll || leave || move || n || s || l || m\r\n autoHideDelay: 800, // number\r\n dragScroll: true, // true || false\r\n clickScroll: false, // true || false\r\n touch: true, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: false, // true || false\r\n dynHeight: false, // true || false\r\n inheritedAttrs: ['style', 'class'], // string || array || null\r\n },\r\n */\r\n};\r\n\r\nexport const getOptionsDiff = (\r\n currOptions: T,\r\n newOptions: PartialOptions\r\n): PartialOptions => {\r\n const diff: PartialOptions = {};\r\n const optionsKeys = keys(newOptions).concat(keys(currOptions));\r\n\r\n each(optionsKeys, (optionKey) => {\r\n const currOptionValue = currOptions[optionKey];\r\n const newOptionValue = newOptions[optionKey];\r\n\r\n if (isObject(currOptionValue) && isObject(newOptionValue)) {\r\n assignDeep((diff[optionKey] = {}), getOptionsDiff(currOptionValue, newOptionValue));\r\n } else if (hasOwnProperty(newOptions, optionKey) && newOptionValue !== currOptionValue) {\r\n let isDiff = true;\r\n\r\n if (isArray(currOptionValue) || isArray(newOptionValue)) {\r\n try {\r\n if (opsStringify(currOptionValue) === opsStringify(newOptionValue)) {\r\n isDiff = false;\r\n }\r\n } catch {}\r\n }\r\n\r\n if (isDiff) {\r\n diff[optionKey] = newOptionValue;\r\n }\r\n }\r\n });\r\n\r\n return diff;\r\n};\r\n","import { assignDeep, each, isArray, keys } from 'support';\r\nimport { OverlayScrollbars, OverlayScrollbarsStatic } from 'overlayscrollbars';\r\n\r\nexport type PluginInstance =\r\n | Record\r\n | ((staticObj: OverlayScrollbarsStatic, instanceObj: OverlayScrollbars) => void);\r\nexport type Plugin = {\r\n [pluginName: string]: T;\r\n};\r\n\r\nconst pluginRegistry: Record = {};\r\n\r\nexport const getPlugins = () => assignDeep({}, pluginRegistry);\r\n\r\nexport const addPlugin = (addedPlugin: Plugin | Plugin[]) => {\r\n each((isArray(addedPlugin) ? addedPlugin : [addedPlugin]) as Plugin[], (plugin) => {\r\n each(keys(plugin), (pluginName) => {\r\n pluginRegistry[pluginName] = plugin[pluginName];\r\n });\r\n });\r\n};\r\n","function _extends() {\n module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","import { each, hasOwnProperty, keys, push, isEmptyObject } from 'support/utils';\r\nimport { type, isArray, isUndefined, isPlainObject, isString } from 'support/utils/types';\r\nimport { PlainObject, PartialOptions } from 'typings';\r\n\r\nexport type OptionsObjectType = Record;\r\nexport type OptionsFunctionType = (this: any, ...args: any[]) => any;\r\nexport type OptionsTemplateType = ExtractPropsKey<\r\n OptionsTemplateTypeMap,\r\n T\r\n>;\r\nexport type OptionsTemplateTypes = keyof OptionsTemplateTypeMap;\r\nexport type OptionsTemplateNativeTypes = OptionsTemplateTypeMap[keyof OptionsTemplateTypeMap];\r\n\r\nexport type OptionsTemplateValue = T extends string\r\n ? string extends T\r\n ? OptionsTemplateValueNonEnum\r\n : string\r\n : OptionsTemplateValueNonEnum;\r\n\r\nexport type OptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsTemplateValue\r\n : never;\r\n};\r\n\r\nexport type OptionsValidationResult = [\r\n PartialOptions, // validated\r\n Record // foreign\r\n];\r\n\r\ntype OptionsTemplateTypeMap = {\r\n __TPL_boolean_TYPE__: boolean;\r\n __TPL_number_TYPE__: number;\r\n __TPL_string_TYPE__: string;\r\n __TPL_array_TYPE__: Array | ReadonlyArray;\r\n __TPL_function_TYPE__: OptionsFunctionType;\r\n __TPL_null_TYPE__: null;\r\n __TPL_object_TYPE__: OptionsObjectType;\r\n};\r\n\r\ntype OptionsTemplateValueNonEnum =\r\n | OptionsTemplateType\r\n | [OptionsTemplateType, ...Array];\r\n\r\ntype ExtractPropsKey = {\r\n [P in keyof T]: TProps extends T[P] ? P : never;\r\n}[keyof T];\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n readonly boolean: OptionsTemplateType;\r\n readonly number: OptionsTemplateType;\r\n readonly string: OptionsTemplateType;\r\n readonly array: OptionsTemplateType>;\r\n readonly object: OptionsTemplateType;\r\n readonly function: OptionsTemplateType;\r\n readonly null: OptionsTemplateType;\r\n};\r\n\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = {\r\n boolean: '__TPL_boolean_TYPE__',\r\n number: '__TPL_number_TYPE__',\r\n string: '__TPL_string_TYPE__',\r\n array: '__TPL_array_TYPE__',\r\n object: '__TPL_object_TYPE__',\r\n function: '__TPL_function_TYPE__',\r\n null: '__TPL_null_TYPE__',\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean,\r\n propPath?: string\r\n): OptionsValidationResult => {\r\n const validatedOptions: PartialOptions = {};\r\n const optionsCopy: PartialOptions = { ...options };\r\n const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n each(props, (prop: Extract) => {\r\n const optionsValue: any = options[prop];\r\n const templateValue: PlainObject | string | OptionsTemplateTypes | Array =\r\n template[prop];\r\n const templateIsComplex = isPlainObject(templateValue);\r\n const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n if (templateIsComplex && isPlainObject(optionsValue)) {\r\n const [validated, foreign] = validateRecursive(\r\n templateValue as T,\r\n optionsValue,\r\n doWriteErrors,\r\n propPrefix + prop\r\n );\r\n validatedOptions[prop] = validated as any;\r\n optionsCopy[prop] = foreign as any;\r\n\r\n each([optionsCopy, validatedOptions], (value) => {\r\n if (isEmptyObject(value[prop])) {\r\n delete value[prop];\r\n }\r\n });\r\n } else if (!templateIsComplex) {\r\n let isValid = false;\r\n const errorEnumStrings: Array = [];\r\n const errorPossibleTypes: Array = [];\r\n const optionsValueType = type(optionsValue);\r\n const templateValueArr: Array = !isArray(templateValue)\r\n ? [templateValue as string | OptionsTemplateTypes]\r\n : (templateValue as Array);\r\n\r\n each(templateValueArr, (currTemplateType) => {\r\n // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n let typeString: string | undefined;\r\n each(optionsTemplateTypes, (value: string, key: string) => {\r\n if (value === currTemplateType) {\r\n typeString = key;\r\n }\r\n });\r\n const isEnumString = isUndefined(typeString);\r\n if (isEnumString && isString(optionsValue)) {\r\n // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n const enumStringSplit = currTemplateType.split(' ');\r\n isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n // build error message\r\n push(errorEnumStrings, enumStringSplit);\r\n } else {\r\n isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n }\r\n\r\n // build error message\r\n push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString!);\r\n\r\n // continue if invalid, break if valid\r\n return !isValid;\r\n });\r\n\r\n if (isValid) {\r\n validatedOptions[prop] = optionsValue;\r\n } else if (doWriteErrors) {\r\n console.warn(\r\n `${\r\n `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n }${\r\n errorEnumStrings.length > 0\r\n ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].`\r\n : ''\r\n }`\r\n );\r\n }\r\n\r\n delete optionsCopy[prop];\r\n }\r\n });\r\n\r\n return [validatedOptions, optionsCopy]; // optionsCopy equals now to foreign options\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a tuple which looks like:\r\n * [\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * ]\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validateOptions = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean\r\n): OptionsValidationResult => validateRecursive(template, options, doWriteErrors);\r\n\r\nexport { validateOptions, optionsTemplateTypes };\r\n","import {\r\n Options,\r\n OverflowBehavior,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport {\r\n validateOptions,\r\n OptionsTemplate,\r\n OptionsTemplateValue,\r\n optionsTemplateTypes as oTypes,\r\n} from 'plugins/optionsValidationPlugin/validation';\r\nimport type { PartialOptions } from 'typings';\r\nimport type { Plugin } from 'plugins';\r\n\r\nconst numberAllowedValues: OptionsTemplateValue = oTypes.number;\r\nconst booleanAllowedValues: OptionsTemplateValue = oTypes.boolean;\r\nconst arrayNullValues: OptionsTemplateValue | null> = [oTypes.array, oTypes.null];\r\nconst overflowAllowedValues: OptionsTemplateValue =\r\n 'hidden scroll visible visible-hidden';\r\nconst scrollbarsVisibilityAllowedValues: OptionsTemplateValue =\r\n 'visible hidden auto';\r\nconst scrollbarsAutoHideAllowedValues: OptionsTemplateValue =\r\n 'never scroll leavemove';\r\n\r\nconst optionsTemplate: OptionsTemplate = {\r\n // resize: resizeAllowedValues, // none || both || horizontal || vertical || n || b ||\r\n paddingAbsolute: booleanAllowedValues, // true || false\r\n updating: {\r\n elementEvents: arrayNullValues, // array of tuples || null\r\n attributes: arrayNullValues,\r\n debounce: [oTypes.number, oTypes.array, oTypes.null], // number || number array || null\r\n ignoreMutation: [oTypes.function, oTypes.null], // function || null\r\n },\r\n overflow: {\r\n x: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n y: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n },\r\n scrollbars: {\r\n visibility: scrollbarsVisibilityAllowedValues, // visible || hidden || auto || v ||\r\n autoHide: scrollbarsAutoHideAllowedValues, // never || scroll || leave || move ||\r\n autoHideDelay: numberAllowedValues, // number\r\n dragScroll: booleanAllowedValues, // true || false\r\n clickScroll: booleanAllowedValues, // true || false\r\n touch: booleanAllowedValues, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: booleanAllowedValues, // true || false\r\n dynHeight: booleanAllowedValues, // true || false\r\n inheritedAttrs: stringArrayNullAllowedValues, // string || array || nul\r\n },\r\n */\r\n nativeScrollbarsOverlaid: {\r\n show: booleanAllowedValues, // true || false\r\n initialize: booleanAllowedValues, // true || false\r\n },\r\n};\r\n\r\nexport type OptionsValidationPluginInstance = {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => PartialOptions;\r\n};\r\n\r\nexport const optionsValidationPluginName = '__osOptionsValidationPlugin';\r\n\r\nexport const optionsValidationPlugin: Plugin = {\r\n [optionsValidationPluginName]: {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => {\r\n const [validated, foreign] = validateOptions(optionsTemplate, options, doWriteErrors);\r\n return { ...foreign, ...validated };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n style,\r\n appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n on,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type SizeObserverPluginInstance = {\r\n _: (\r\n listenerElement: HTMLElement,\r\n onSizeChangedCallback: (appear: boolean) => any,\r\n observeAppearChange: boolean\r\n ) => [appearCallback: () => any, offFns: (() => any)[]];\r\n};\r\n\r\nconst scrollAmount = 3333333;\r\nconst scrollEventName = 'scroll';\r\nexport const sizeObserverPluginName = '__osSizeObserverPlugin';\r\n\r\nexport const sizeObserverPlugin: Plugin = {\r\n [sizeObserverPluginName]: {\r\n _: (listenerElement, onSizeChangedCallback, observeAppearChange) => {\r\n const observerElementChildren = createDOM(\r\n `
`\r\n );\r\n appendChildren(listenerElement, observerElementChildren);\r\n addClass(listenerElement, classNameSizeObserverListenerScroll);\r\n const observerElementChildrenRoot = observerElementChildren[0] as HTMLElement;\r\n const shrinkElement = observerElementChildrenRoot.lastChild as HTMLElement;\r\n const expandElement = observerElementChildrenRoot.firstChild as HTMLElement;\r\n const expandElementChild = expandElement?.firstChild as HTMLElement;\r\n\r\n let cacheSize = offsetSize(observerElementChildrenRoot);\r\n let currSize = cacheSize;\r\n let isDirty = false;\r\n let rAFId: number;\r\n\r\n const reset = () => {\r\n scrollLeft(expandElement, scrollAmount);\r\n scrollTop(expandElement, scrollAmount);\r\n scrollLeft(shrinkElement, scrollAmount);\r\n scrollTop(shrinkElement, scrollAmount);\r\n };\r\n const onResized = (appear?: unknown) => {\r\n rAFId = 0;\r\n if (isDirty) {\r\n cacheSize = currSize;\r\n onSizeChangedCallback(appear === true);\r\n }\r\n };\r\n const onScroll = (scrollEvent?: Event | false) => {\r\n currSize = offsetSize(observerElementChildrenRoot);\r\n isDirty = !scrollEvent || !equalWH(currSize, cacheSize);\r\n\r\n if (scrollEvent) {\r\n stopPropagation(scrollEvent);\r\n\r\n if (isDirty && !rAFId) {\r\n cAF!(rAFId);\r\n rAFId = rAF!(onResized);\r\n }\r\n } else {\r\n onResized(scrollEvent === false);\r\n }\r\n\r\n reset();\r\n };\r\n const offListeners = push(\r\n [],\r\n [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]\r\n );\r\n\r\n // lets assume that the divs will never be that large and a constant value is enough\r\n style(expandElementChild, {\r\n width: scrollAmount,\r\n height: scrollAmount,\r\n });\r\n\r\n reset();\r\n\r\n return [observeAppearChange ? onScroll.bind(0, false) : reset, offListeners];\r\n },\r\n },\r\n};\r\n","import {\r\n keys,\r\n attr,\r\n WH,\r\n style,\r\n addClass,\r\n removeClass,\r\n noop,\r\n each,\r\n assignDeep,\r\n windowSize,\r\n UpdateCache,\r\n XY,\r\n} from 'support';\r\nimport { classNameViewportArrange } from 'classnames';\r\nimport type { StyleObject } from 'typings';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type {\r\n ViewportOverflowState,\r\n GetViewportOverflowState,\r\n HideNativeScrollbars,\r\n} from 'setups/structureSetup/updateSegments/overflowUpdateSegment';\r\nimport type { InternalEnvironment } from 'environment';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type ArrangeViewport = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n sizeFraction: WH,\r\n directionIsRTL: boolean\r\n) => boolean;\r\n\r\nexport type UndoViewportArrangeResult = [\r\n redoViewportArrange: () => void,\r\n overflowState?: ViewportOverflowState\r\n];\r\n\r\nexport type UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n) => UndoViewportArrangeResult;\r\n\r\nexport type ScrollbarsHidingPluginInstance = {\r\n _createUniqueViewportArrangeElement(env: InternalEnvironment): HTMLStyleElement | false;\r\n _overflowUpdateSegment(\r\n doViewportArrange: boolean,\r\n flexboxGlue: boolean,\r\n viewport: HTMLElement,\r\n viewportArrange: HTMLStyleElement | false | null | undefined,\r\n getState: () => StructureSetupState,\r\n getViewportOverflowState: GetViewportOverflowState,\r\n hideNativeScrollbars: HideNativeScrollbars\r\n ): [ArrangeViewport, UndoArrangeViewport];\r\n _envWindowZoom(): (\r\n envInstance: InternalEnvironment,\r\n updateNativeScrollbarSizeCache: UpdateCache>,\r\n triggerEvent: () => void\r\n ) => void;\r\n};\r\n\r\nlet contentArrangeCounter = 0;\r\nconst { round, abs } = Math;\r\nconst getWindowDPR = (): number => {\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const dDPI = window.screen.deviceXDPI || 0;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const sDPI = window.screen.logicalXDPI || 1;\r\n return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n const absValOne = abs(valOne);\r\n const absValTwo = abs(valTwo);\r\n return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport const scrollbarsHidingPluginName = '__osScrollbarsHidingPlugin';\r\n\r\nexport const scrollbarsHidingPlugin: Plugin = {\r\n [scrollbarsHidingPluginName]: {\r\n _createUniqueViewportArrangeElement: (env: InternalEnvironment) => {\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _cssCustomProperties,\r\n } = env;\r\n const create =\r\n !_cssCustomProperties &&\r\n !_nativeScrollbarStyling &&\r\n (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n const result = create ? document.createElement('style') : false;\r\n\r\n if (result) {\r\n attr(result, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);\r\n contentArrangeCounter++;\r\n }\r\n\r\n return result;\r\n },\r\n _overflowUpdateSegment: (\r\n doViewportArrange,\r\n flexboxGlue,\r\n viewport,\r\n viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n ) => {\r\n /**\r\n * Sets the styles of the viewport arrange element.\r\n * @param viewportOverflowState The viewport overflow state according to which the scrollbars shall be hidden.\r\n * @param viewportScrollSize The content scroll size.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @returns A boolean which indicates whether the viewport arrange element was adjusted.\r\n */\r\n const arrangeViewport: ArrangeViewport = (\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n directionIsRTL\r\n ) => {\r\n if (doViewportArrange) {\r\n const { _viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const viewportArrangeHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingRight'\r\n : 'paddingLeft';\r\n const viewportArrangeHorizontalPaddingValue = _viewportPaddingStyle[\r\n viewportArrangeHorizontalPaddingKey\r\n ] as number;\r\n const viewportArrangeVerticalPaddingValue = _viewportPaddingStyle.paddingTop as number;\r\n const fractionalContentWidth = viewportScrollSize.w + sizeFraction.w;\r\n const fractionalContenHeight = viewportScrollSize.h + sizeFraction.h;\r\n const arrangeSize = {\r\n w:\r\n hideOffsetY && arrangeY\r\n ? `${\r\n hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue\r\n }px`\r\n : '',\r\n h:\r\n hideOffsetX && arrangeX\r\n ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px`\r\n : '',\r\n };\r\n\r\n // adjust content arrange / before element\r\n if (viewportArrange) {\r\n const { sheet } = viewportArrange;\r\n if (sheet) {\r\n const { cssRules } = sheet;\r\n if (cssRules) {\r\n if (!cssRules.length) {\r\n sheet.insertRule(\r\n `#${attr(viewportArrange, 'id')} + .${classNameViewportArrange}::before {}`,\r\n 0\r\n );\r\n }\r\n\r\n // @ts-ignore\r\n const ruleStyle = cssRules[0].style;\r\n\r\n ruleStyle.width = arrangeSize.w;\r\n ruleStyle.height = arrangeSize.h;\r\n }\r\n }\r\n } else {\r\n style<'--os-vaw' | '--os-vah'>(viewport, {\r\n '--os-vaw': arrangeSize.w,\r\n '--os-vah': arrangeSize.h,\r\n });\r\n }\r\n }\r\n\r\n return doViewportArrange;\r\n };\r\n\r\n /**\r\n * Removes all styles applied because of the viewport arrange strategy.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportOverflowState The currentviewport overflow state or undefined if it has to be determined.\r\n * @returns A object with a function which applies all the removed styles and the determined viewport vverflow state.\r\n */\r\n const undoViewportArrange: UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars,\r\n directionIsRTL,\r\n viewportOverflowState?\r\n ) => {\r\n if (doViewportArrange) {\r\n const finalViewportOverflowState =\r\n viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const finalPaddingStyle: StyleObject = {};\r\n const assignProps = (props: string) =>\r\n each(props.split(' '), (prop) => {\r\n finalPaddingStyle[prop] = viewportPaddingStyle[prop];\r\n });\r\n\r\n if (arrangeX) {\r\n assignProps('marginBottom paddingTop paddingBottom');\r\n }\r\n\r\n if (arrangeY) {\r\n assignProps('marginLeft marginRight paddingLeft paddingRight');\r\n }\r\n\r\n const prevStyle = style(viewport, keys(finalPaddingStyle));\r\n\r\n removeClass(viewport, classNameViewportArrange);\r\n\r\n if (!flexboxGlue) {\r\n finalPaddingStyle.height = '';\r\n }\r\n\r\n style(viewport, finalPaddingStyle);\r\n\r\n return [\r\n () => {\r\n hideNativeScrollbars(\r\n finalViewportOverflowState,\r\n directionIsRTL,\r\n doViewportArrange,\r\n prevStyle\r\n );\r\n style(viewport, prevStyle);\r\n addClass(viewport, classNameViewportArrange);\r\n },\r\n finalViewportOverflowState,\r\n ];\r\n }\r\n return [noop];\r\n };\r\n\r\n return [arrangeViewport, undoViewportArrange];\r\n },\r\n _envWindowZoom: () => {\r\n let size = { w: 0, h: 0 };\r\n let dpr = 0;\r\n\r\n return (envInstance, updateNativeScrollbarSizeCache, triggerEvent) => {\r\n const sizeNew = windowSize();\r\n const deltaSize = {\r\n w: sizeNew.w - size.w,\r\n h: sizeNew.h - size.h,\r\n };\r\n\r\n if (deltaSize.w === 0 && deltaSize.h === 0) {\r\n return;\r\n }\r\n\r\n const deltaAbsSize = {\r\n w: abs(deltaSize.w),\r\n h: abs(deltaSize.h),\r\n };\r\n const deltaAbsRatio = {\r\n w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n };\r\n const dprNew = getWindowDPR();\r\n const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n const dprChanged = dprNew !== dpr && dprNew > 0;\r\n const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n if (isZoom) {\r\n const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache();\r\n\r\n assignDeep(envInstance._nativeScrollbarsSize, scrollbarSize); // keep the object same!\r\n\r\n if (scrollbarSizeChanged) {\r\n triggerEvent();\r\n }\r\n }\r\n\r\n size = sizeNew;\r\n dpr = dprNew;\r\n };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n addClass,\r\n style,\r\n appendChildren,\r\n fractionalSize,\r\n clientSize,\r\n absoluteCoordinates,\r\n offsetSize,\r\n scrollLeft,\r\n XY,\r\n removeAttr,\r\n removeElements,\r\n equalBCRWH,\r\n getBoundingClientRect,\r\n assignDeep,\r\n cssProperty,\r\n createCache,\r\n equalXY,\r\n createEventListenerHub,\r\n EventListener,\r\n} from 'support';\r\nimport {\r\n classNameEnvironment,\r\n classNameEnvironmentFlexboxGlue,\r\n classNameEnvironmentFlexboxGlueMax,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { Options, defaultOptions } from 'options';\r\nimport { PartialOptions } from 'typings';\r\nimport { InitializationStrategy } from 'initialization';\r\nimport { getPlugins, ScrollbarsHidingPluginInstance, scrollbarsHidingPluginName } from 'plugins';\r\n\r\ntype EnvironmentEventMap = {\r\n _: [];\r\n};\r\n\r\nexport interface InternalEnvironment {\r\n readonly _nativeScrollbarsSize: XY;\r\n readonly _nativeScrollbarsOverlaid: XY;\r\n readonly _nativeScrollbarsHiding: boolean;\r\n readonly _rtlScrollBehavior: { n: boolean; i: boolean };\r\n readonly _flexboxGlue: boolean;\r\n readonly _cssCustomProperties: boolean;\r\n readonly _defaultInitializationStrategy: InitializationStrategy;\r\n readonly _defaultDefaultOptions: Options;\r\n _addListener(listener: EventListener): () => void;\r\n _getInitializationStrategy(): InitializationStrategy;\r\n _setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n _getDefaultOptions(): Options;\r\n _setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nlet environmentInstance: InternalEnvironment;\r\n\r\nconst getNativeScrollbarSize = (\r\n body: HTMLElement,\r\n measureElm: HTMLElement,\r\n measureElmChild: HTMLElement,\r\n clear?: boolean\r\n): XY => {\r\n appendChildren(body, measureElm);\r\n\r\n const cSize = clientSize(measureElm);\r\n const oSize = offsetSize(measureElm);\r\n const fSize = fractionalSize(measureElmChild);\r\n\r\n clear && removeElements(measureElm);\r\n\r\n return {\r\n x: oSize.h - cSize.h + fSize.h,\r\n y: oSize.w - cSize.w + fSize.w,\r\n };\r\n};\r\n\r\nconst getNativeScrollbarsHiding = (testElm: HTMLElement): boolean => {\r\n let result = false;\r\n const revertClass = addClass(testElm, classNameViewportScrollbarStyling);\r\n try {\r\n result =\r\n style(testElm, cssProperty('scrollbar-width')) === 'none' ||\r\n window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') ===\r\n 'none';\r\n } catch (ex) {}\r\n revertClass();\r\n return result;\r\n};\r\n\r\nconst getRtlScrollBehavior = (\r\n parentElm: HTMLElement,\r\n childElm: HTMLElement\r\n): { i: boolean; n: boolean } => {\r\n const strHidden = 'hidden';\r\n style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: 'rtl' });\r\n scrollLeft(parentElm, 0);\r\n\r\n const parentOffset = absoluteCoordinates(parentElm);\r\n const childOffset = absoluteCoordinates(childElm);\r\n scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n const childOffsetAfterScroll = absoluteCoordinates(childElm);\r\n return {\r\n /**\r\n * origin direction = determines if the zero scroll position is on the left or right side\r\n * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n * true = on the left side\r\n * false = on the right side\r\n */\r\n i: parentOffset.x === childOffset.x,\r\n /**\r\n * negative = determines if the maximum scroll is positive or negative\r\n * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n * true = negative\r\n * false = positive\r\n */\r\n n: childOffset.x !== childOffsetAfterScroll.x,\r\n };\r\n};\r\n\r\nconst getFlexboxGlue = (parentElm: HTMLElement, childElm: HTMLElement): boolean => {\r\n const revertFbxGlue = addClass(parentElm, classNameEnvironmentFlexboxGlue);\r\n const minOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const minOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);\r\n\r\n const revertFbxGlueMax = addClass(parentElm, classNameEnvironmentFlexboxGlueMax);\r\n const maxOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const maxOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);\r\n\r\n revertFbxGlue();\r\n revertFbxGlueMax();\r\n\r\n return supportsMin && supportsMax;\r\n};\r\n\r\nconst createEnvironment = (): InternalEnvironment => {\r\n const { body } = document;\r\n const envDOM = createDOM(`
`);\r\n const envElm = envDOM[0] as HTMLElement;\r\n const envChildElm = envElm.firstChild as HTMLElement;\r\n const [addEvent, , triggerEvent] = createEventListenerHub();\r\n const [updateNativeScrollbarSizeCache, getNativeScrollbarSizeCache] = createCache(\r\n {\r\n _initialValue: getNativeScrollbarSize(body, envElm, envChildElm),\r\n _equal: equalXY,\r\n },\r\n getNativeScrollbarSize.bind(0, body, envElm, envChildElm, true)\r\n );\r\n const [nativeScrollbarsSize] = getNativeScrollbarSizeCache();\r\n const nativeScrollbarsHiding = getNativeScrollbarsHiding(envElm);\r\n const nativeScrollbarsOverlaid = {\r\n x: nativeScrollbarsSize.x === 0,\r\n y: nativeScrollbarsSize.y === 0,\r\n };\r\n const initializationStrategy = {\r\n _padding: !nativeScrollbarsHiding,\r\n _content: false,\r\n };\r\n const defaultDefaultOptions = assignDeep({}, defaultOptions);\r\n\r\n const env: InternalEnvironment = {\r\n _nativeScrollbarsSize: nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid: nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding: nativeScrollbarsHiding,\r\n _cssCustomProperties: style(envElm, 'zIndex') === '-1',\r\n _rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),\r\n _flexboxGlue: getFlexboxGlue(envElm, envChildElm),\r\n _addListener: (listener) => addEvent('_', listener),\r\n _getInitializationStrategy: assignDeep.bind(\r\n 0,\r\n {} as InitializationStrategy,\r\n initializationStrategy\r\n ),\r\n _setInitializationStrategy(newInitializationStrategy) {\r\n assignDeep(initializationStrategy, newInitializationStrategy);\r\n },\r\n _getDefaultOptions: assignDeep.bind(0, {} as Options, defaultDefaultOptions),\r\n _setDefaultOptions(newDefaultOptions) {\r\n assignDeep(defaultDefaultOptions, newDefaultOptions);\r\n },\r\n _defaultInitializationStrategy: assignDeep({}, initializationStrategy),\r\n _defaultDefaultOptions: assignDeep({}, defaultDefaultOptions),\r\n };\r\n\r\n removeAttr(envElm, 'style');\r\n removeElements(envElm);\r\n\r\n if (!nativeScrollbarsHiding && (!nativeScrollbarsOverlaid.x || !nativeScrollbarsOverlaid.y)) {\r\n let resizeFn: undefined | ReturnType;\r\n window.addEventListener('resize', () => {\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n\r\n resizeFn = resizeFn || (scrollbarsHidingPlugin && scrollbarsHidingPlugin._envWindowZoom());\r\n resizeFn && resizeFn(env, updateNativeScrollbarSizeCache, triggerEvent.bind(0, '_'));\r\n });\r\n }\r\n\r\n return env;\r\n};\r\n\r\nconst getEnvironment = (): InternalEnvironment => {\r\n if (!environmentInstance) {\r\n environmentInstance = createEnvironment();\r\n }\r\n return environmentInstance;\r\n};\r\n\r\nexport { getEnvironment };\r\n","import { isFunction, isNull, isUndefined } from 'support';\r\nimport type {\r\n StructureInitialization,\r\n StructureInitializationStrategy,\r\n} from 'setups/structureSetup';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n} from 'setups/scrollbarsSetup';\r\n\r\ntype StaticInitialization = HTMLElement | null | undefined;\r\ntype DynamicInitialization = HTMLElement | boolean | null | undefined;\r\n\r\nexport type InitializationTargetElement = HTMLElement | HTMLTextAreaElement;\r\n\r\nexport type InitializationTargetObject = StructureInitialization & ScrollbarsInitialization;\r\n\r\nexport type InitializationTarget = InitializationTargetElement | InitializationTargetObject;\r\n\r\nexport type InitializationStrategy = StructureInitializationStrategy &\r\n ScrollbarsInitializationStrategy;\r\n\r\n/**\r\n * Static elements MUST be present.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type StaticInitializationElement =\r\n | ((...args: Args) => StaticInitialization)\r\n | StaticInitialization;\r\n\r\n/**\r\n * Dynamic element CAN be present.\r\n * If its a element the element will be handled as the repsective element.\r\n * True means that the respective dynamic element is forced to be generated.\r\n * False means that the respective dynamic element is forced NOT to be generated.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type DynamicInitializationElement =\r\n | ((...args: Args) => DynamicInitialization)\r\n | DynamicInitialization;\r\n\r\nexport type InitializtationElementStrategy = Exclude;\r\n\r\nexport type DefaultInitializtationElementStrategy<\r\n InitElm extends StaticInitializationElement | DynamicInitializationElement\r\n> = Extract any> extends (...args: infer P) => any\r\n ? (...args: P) => HTMLElement\r\n : never;\r\n\r\nconst resolveInitialization = (value: any, args: any): T =>\r\n isFunction(value) ? value.apply(0, args) : value;\r\n\r\nconst staticInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultStaticInitializationElement: DefaultInitializtationElementStrategy,\r\n staticInitializationElementStrategy?: InitializtationElementStrategy,\r\n staticInitializationElementValue?: T | false\r\n): HTMLElement =>\r\n resolveInitialization(\r\n staticInitializationElementValue ||\r\n resolveInitialization(staticInitializationElementStrategy, args),\r\n args\r\n ) || defaultStaticInitializationElement.apply(0, args);\r\n\r\nconst dynamicInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultDynamicInitializationElement: DefaultInitializtationElementStrategy,\r\n dynamicInitializationElementStrategy?: InitializtationElementStrategy,\r\n dynamicInitializationElementValue?: T | false\r\n): HTMLElement | false => {\r\n let result = resolveInitialization(\r\n dynamicInitializationElementValue,\r\n args\r\n );\r\n\r\n if (isNull(result) || isUndefined(result)) {\r\n result = resolveInitialization(\r\n dynamicInitializationElementStrategy,\r\n args\r\n );\r\n }\r\n\r\n return result === true || isNull(result) || isUndefined(result)\r\n ? defaultDynamicInitializationElement.apply(0, args)\r\n : result;\r\n};\r\n\r\nexport { staticInitializationElement, dynamicInitializationElement };\r\n","import {\r\n isHTMLElement,\r\n appendChildren,\r\n createDiv,\r\n is,\r\n contents,\r\n insertAfter,\r\n addClass,\r\n parent,\r\n indexOf,\r\n removeElements,\r\n removeClass,\r\n hasClass,\r\n push,\r\n runEachAndClear,\r\n insertBefore,\r\n attr,\r\n keys,\r\n removeAttr,\r\n attrClass,\r\n hasAttrClass,\r\n ResizeObserverConstructor,\r\n} from 'support';\r\nimport {\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n classNamePadding,\r\n classNameViewport,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type { ScrollbarsHidingPluginInstance } from 'plugins/scrollbarsHidingPlugin';\r\nimport {\r\n staticInitializationElement as generalStaticInitializationElement,\r\n dynamicInitializationElement as generalDynamicInitializationElement,\r\n} from 'initialization';\r\nimport type { InitializationTarget, InitializationTargetElement } from 'initialization';\r\nimport type {\r\n StructureDynamicInitializationElement,\r\n StructureInitialization,\r\n StructureStaticInitializationElement,\r\n} from 'setups/structureSetup/structureSetup.initialization';\r\n\r\nexport type StructureSetupElements = [\r\n targetObj: StructureSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nexport interface StructureSetupElementsObj {\r\n _target: InitializationTargetElement;\r\n _host: HTMLElement;\r\n _viewport: HTMLElement;\r\n _padding: HTMLElement | false;\r\n _content: HTMLElement | false;\r\n _viewportArrange: HTMLStyleElement | false | null | undefined;\r\n // ctx ----\r\n _isTextarea: boolean;\r\n _isBody: boolean;\r\n _htmlElm: HTMLHtmlElement;\r\n _bodyElm: HTMLBodyElement;\r\n _windowElm: Window;\r\n _documentElm: Document;\r\n _targetIsElm: boolean;\r\n _viewportIsTarget: boolean;\r\n _viewportHasClass: (className: string, attributeClassName: string) => boolean;\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) => void;\r\n}\r\n\r\nconst createNewDiv = createDiv.bind(0, '');\r\n\r\nconst unwrap = (elm: HTMLElement | false | null | undefined) => {\r\n appendChildren(parent(elm), contents(elm));\r\n removeElements(elm);\r\n};\r\n\r\nconst addDataAttrHost = (elm: HTMLElement, value: string) => {\r\n attr(elm, dataAttributeHost, value);\r\n return removeAttr.bind(0, elm, dataAttributeHost);\r\n};\r\n\r\nexport const createStructureSetupElements = (\r\n target: InitializationTarget\r\n): StructureSetupElements => {\r\n const env = getEnvironment();\r\n const { _getInitializationStrategy, _nativeScrollbarsHiding } = env;\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const createUniqueViewportArrangeElement =\r\n scrollbarsHidingPlugin && scrollbarsHidingPlugin._createUniqueViewportArrangeElement;\r\n const {\r\n _host: hostInitializationStrategy,\r\n _viewport: viewportInitializationStrategy,\r\n _padding: paddingInitializationStrategy,\r\n _content: contentInitializationStrategy,\r\n } = _getInitializationStrategy();\r\n const targetIsElm = isHTMLElement(target);\r\n const targetStructureInitialization = target as StructureInitialization;\r\n const targetElement = targetIsElm\r\n ? (target as InitializationTargetElement)\r\n : targetStructureInitialization.target;\r\n const isTextarea = is(targetElement, 'textarea');\r\n const isBody = !isTextarea && is(targetElement, 'body');\r\n const ownerDocument = targetElement!.ownerDocument;\r\n const bodyElm = ownerDocument.body as HTMLBodyElement;\r\n const wnd = ownerDocument.defaultView as Window;\r\n const singleElmSupport = !!ResizeObserverConstructor && !isTextarea && _nativeScrollbarsHiding;\r\n const staticInitializationElement =\r\n generalStaticInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const dynamicInitializationElement =\r\n generalDynamicInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const viewportElement = [\r\n staticInitializationElement(\r\n createNewDiv,\r\n viewportInitializationStrategy,\r\n targetStructureInitialization.viewport\r\n ),\r\n staticInitializationElement(createNewDiv, viewportInitializationStrategy),\r\n staticInitializationElement(createNewDiv),\r\n ].filter((potentialViewport) =>\r\n !singleElmSupport ? potentialViewport !== targetElement : true\r\n )[0];\r\n const viewportIsTarget = viewportElement === targetElement;\r\n const evaluatedTargetObj: StructureSetupElementsObj = {\r\n _target: targetElement,\r\n _host: isTextarea\r\n ? staticInitializationElement(\r\n createNewDiv,\r\n hostInitializationStrategy,\r\n targetStructureInitialization.host\r\n )\r\n : (targetElement as HTMLElement),\r\n _viewport: viewportElement,\r\n _padding:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n paddingInitializationStrategy,\r\n targetStructureInitialization.padding\r\n ),\r\n _content:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n contentInitializationStrategy,\r\n targetStructureInitialization.content\r\n ),\r\n _viewportArrange:\r\n !viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n createUniqueViewportArrangeElement &&\r\n createUniqueViewportArrangeElement(env),\r\n _windowElm: wnd,\r\n _documentElm: ownerDocument,\r\n _htmlElm: parent(bodyElm) as HTMLHtmlElement,\r\n _bodyElm: bodyElm,\r\n _isTextarea: isTextarea,\r\n _isBody: isBody,\r\n _targetIsElm: targetIsElm,\r\n _viewportIsTarget: viewportIsTarget,\r\n _viewportHasClass: (className: string, attributeClassName: string) =>\r\n viewportIsTarget\r\n ? hasAttrClass(viewportElement, dataAttributeHost, attributeClassName)\r\n : hasClass(viewportElement, className),\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) =>\r\n viewportIsTarget\r\n ? attrClass(viewportElement, dataAttributeHost, attributeClassName, add)\r\n : (add ? addClass : removeClass)(viewportElement, className),\r\n };\r\n const generatedElements = keys(evaluatedTargetObj).reduce((arr, key: string) => {\r\n const value = evaluatedTargetObj[key];\r\n return push(arr, value && !parent(value) ? value : false);\r\n }, [] as HTMLElement[]);\r\n const elementIsGenerated = (elm: HTMLElement | false) =>\r\n elm ? indexOf(generatedElements, elm) > -1 : null;\r\n const { _target, _host, _padding, _viewport, _content, _viewportArrange } = evaluatedTargetObj;\r\n const destroyFns: (() => any)[] = [];\r\n const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);\r\n const targetContents = isTextarea\r\n ? _target\r\n : contents(\r\n [_content, _viewport, _padding, _host, _target].find(\r\n (elm) => elementIsGenerated(elm) === false\r\n )\r\n );\r\n const contentSlot = _content || _viewport;\r\n const appendElements = () => {\r\n const removeHostDataAttr = addDataAttrHost(_host, viewportIsTarget ? 'viewport' : 'host');\r\n const removePaddingClass = addClass(_padding, classNamePadding);\r\n const removeViewportClass = addClass(_viewport, !viewportIsTarget && classNameViewport);\r\n const removeContentClass = addClass(_content, classNameContent);\r\n\r\n // only insert host for textarea after target if it was generated\r\n if (isTextareaHostGenerated) {\r\n insertAfter(_target, _host);\r\n\r\n push(destroyFns, () => {\r\n insertAfter(_host, _target);\r\n removeElements(_host);\r\n });\r\n }\r\n\r\n appendChildren(contentSlot, targetContents);\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, !viewportIsTarget && _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n push(destroyFns, () => {\r\n removeHostDataAttr();\r\n removeAttr(_viewport, dataAttributeHostOverflowX);\r\n removeAttr(_viewport, dataAttributeHostOverflowY);\r\n\r\n if (elementIsGenerated(_content)) {\r\n unwrap(_content);\r\n }\r\n if (elementIsGenerated(_viewport)) {\r\n unwrap(_viewport);\r\n }\r\n if (elementIsGenerated(_padding)) {\r\n unwrap(_padding);\r\n }\r\n removePaddingClass();\r\n removeViewportClass();\r\n removeContentClass();\r\n });\r\n\r\n if (_nativeScrollbarsHiding && !viewportIsTarget) {\r\n push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));\r\n }\r\n if (_viewportArrange) {\r\n insertBefore(_viewport, _viewportArrange);\r\n push(destroyFns, removeElements.bind(0, _viewportArrange));\r\n }\r\n };\r\n\r\n return [evaluatedTargetObj, appendElements, runEachAndClear.bind(0, destroyFns)];\r\n};\r\n","import { style } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the trinsic behavior of the content element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createTrinsicUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const { _content } = structureSetupElements;\r\n const [getState] = state;\r\n\r\n return (updateHints) => {\r\n const { _flexboxGlue } = getEnvironment();\r\n const { _heightIntrinsic } = getState();\r\n const { _heightIntrinsicChanged } = updateHints;\r\n const heightIntrinsicChanged = (_content || !_flexboxGlue) && _heightIntrinsicChanged;\r\n\r\n if (heightIntrinsicChanged) {\r\n style(_content, {\r\n height: _heightIntrinsic ? '' : '100%',\r\n });\r\n }\r\n\r\n return {\r\n _sizeChanged: heightIntrinsicChanged,\r\n _contentMutation: heightIntrinsicChanged,\r\n };\r\n };\r\n};\r\n","import { createCache, topRightBottomLeft, equalTRBL, style, assignDeep } from 'support';\r\nimport { StyleObject } from 'typings';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the padding styling of the padding and viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createPaddingUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const { _host, _padding, _viewport, _viewportIsTarget: _isSingleElm } = structureSetupElements;\r\n const [updatePaddingCache, currentPaddingCache] = createCache(\r\n {\r\n _equal: equalTRBL,\r\n _initialValue: topRightBottomLeft(),\r\n },\r\n topRightBottomLeft.bind(0, _host, 'padding', '')\r\n );\r\n\r\n return (updateHints, checkOption, force) => {\r\n let [padding, paddingChanged] = currentPaddingCache(force);\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const { _directionIsRTL } = getState();\r\n const { _sizeChanged, _contentMutation, _directionChanged } = updateHints;\r\n const [paddingAbsolute, paddingAbsoluteChanged] = checkOption('paddingAbsolute');\r\n const contentMutation = !_flexboxGlue && _contentMutation;\r\n\r\n if (_sizeChanged || paddingChanged || contentMutation) {\r\n [padding, paddingChanged] = updatePaddingCache(force);\r\n }\r\n\r\n const paddingStyleChanged =\r\n !_isSingleElm && (paddingAbsoluteChanged || _directionChanged || paddingChanged);\r\n\r\n if (paddingStyleChanged) {\r\n // if there is no padding element and no scrollbar styling, paddingAbsolute isn't supported\r\n const paddingRelative = !paddingAbsolute || (!_padding && !_nativeScrollbarStyling);\r\n const paddingHorizontal = padding.r + padding.l;\r\n const paddingVertical = padding.t + padding.b;\r\n\r\n const paddingStyle: StyleObject = {\r\n marginRight: paddingRelative && !_directionIsRTL ? -paddingHorizontal : 0,\r\n marginBottom: paddingRelative ? -paddingVertical : 0,\r\n marginLeft: paddingRelative && _directionIsRTL ? -paddingHorizontal : 0,\r\n top: paddingRelative ? -padding.t : 0,\r\n right: paddingRelative ? (_directionIsRTL ? -padding.r : 'auto') : 0,\r\n left: paddingRelative ? (_directionIsRTL ? 'auto' : -padding.l) : 0,\r\n width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : '',\r\n };\r\n const viewportStyle: StyleObject = {\r\n paddingTop: paddingRelative ? padding.t : 0,\r\n paddingRight: paddingRelative ? padding.r : 0,\r\n paddingBottom: paddingRelative ? padding.b : 0,\r\n paddingLeft: paddingRelative ? padding.l : 0,\r\n };\r\n\r\n // if there is no padding element apply the style to the viewport element instead\r\n style(_padding || _viewport, paddingStyle);\r\n style(_viewport, viewportStyle);\r\n\r\n setState({\r\n _padding: padding,\r\n _paddingAbsolute: !paddingRelative,\r\n _viewportPaddingStyle: _padding\r\n ? viewportStyle\r\n : assignDeep({}, paddingStyle, viewportStyle),\r\n });\r\n }\r\n\r\n return {\r\n _paddingStyleChanged: paddingStyleChanged,\r\n };\r\n };\r\n};\r\n","import {\r\n createCache,\r\n attr,\r\n WH,\r\n XY,\r\n style,\r\n scrollSize,\r\n fractionalSize,\r\n equalWH,\r\n addClass,\r\n removeClass,\r\n clientSize,\r\n equalXY,\r\n attrClass,\r\n noop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameViewportScrollbarStyling,\r\n classNameOverflowVisible,\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n dataValueHostViewportScrollbarStyling,\r\n dataValueHostOverflowVisible,\r\n} from 'classnames';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type {\r\n ScrollbarsHidingPluginInstance,\r\n ArrangeViewport,\r\n UndoArrangeViewport,\r\n} from 'plugins/scrollbarsHidingPlugin';\r\nimport type { StyleObject, OverflowStyle } from 'typings';\r\nimport type { OverflowBehavior } from 'options';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport interface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n _overflowStyle: XY;\r\n}\r\n\r\nexport type GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n viewportStyleObj?: StyleObject\r\n) => ViewportOverflowState;\r\n\r\nexport type HideNativeScrollbars = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\r\n) => void;\r\n\r\nconst { max } = Math;\r\nconst max0 = max.bind(0, 0);\r\nconst strVisible = 'visible';\r\nconst strHidden = 'hidden';\r\nconst overlaidScrollbarsHideOffset = 42;\r\nconst whCacheOptions = {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n};\r\nconst xyCacheOptions = {\r\n _equal: equalXY,\r\n _initialValue: { x: strHidden, y: strHidden } as XY,\r\n};\r\n\r\nconst getOverflowAmount = (viewportScrollSize: WH, viewportClientSize: WH) => {\r\n const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;\r\n const amount = {\r\n w: max0(viewportScrollSize.w - viewportClientSize.w),\r\n h: max0(viewportScrollSize.h - viewportClientSize.h),\r\n };\r\n\r\n return {\r\n w: amount.w > tollerance ? amount.w : 0,\r\n h: amount.h > tollerance ? amount.h : 0,\r\n };\r\n};\r\n\r\nconst conditionalClass = (\r\n elm: Element | false | null | undefined,\r\n classNames: string,\r\n add: boolean\r\n) => (add ? addClass(elm, classNames) : removeClass(elm, classNames));\r\n\r\nconst overflowIsVisible = (overflowBehavior: string) => overflowBehavior.indexOf(strVisible) === 0;\r\n\r\n/**\r\n * Lifecycle with the responsibility to set the correct overflow and scrollbar hiding styles of the viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createOverflowUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const {\r\n _host,\r\n _padding,\r\n _viewport,\r\n _viewportArrange,\r\n _viewportIsTarget,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsSize,\r\n _flexboxGlue,\r\n _nativeScrollbarsHiding,\r\n _nativeScrollbarsOverlaid,\r\n } = getEnvironment();\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const doViewportArrange =\r\n !_viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n (_nativeScrollbarsOverlaid.x || _nativeScrollbarsOverlaid.y);\r\n\r\n const [updateSizeFraction, getCurrentSizeFraction] = createCache>(\r\n whCacheOptions,\r\n fractionalSize.bind(0, _viewport)\r\n );\r\n\r\n const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache<\r\n WH\r\n >(whCacheOptions, scrollSize.bind(0, _viewport));\r\n\r\n const [updateOverflowAmountCache, getCurrentOverflowAmountCache] =\r\n createCache>(whCacheOptions);\r\n\r\n const [updateOverflowEdge, getCurrentOverflowEdgeCache] = createCache>(whCacheOptions);\r\n\r\n const [updateOverflowStyleCache] = createCache>(xyCacheOptions);\r\n\r\n /**\r\n * Applies a fixed height to the viewport so it can't overflow or underflow the host element.\r\n * @param viewportOverflowState The current overflow state.\r\n * @param heightIntrinsic Whether the host height is intrinsic or not.\r\n */\r\n const fixFlexboxGlue = (\r\n viewportOverflowState: ViewportOverflowState,\r\n heightIntrinsic: boolean\r\n ) => {\r\n style(_viewport, {\r\n height: '',\r\n });\r\n\r\n if (heightIntrinsic) {\r\n const { _paddingAbsolute, _padding: padding } = getState();\r\n const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;\r\n const fSize = fractionalSize(_host);\r\n const hostClientSize = clientSize(_host);\r\n\r\n // padding subtraction is only needed if padding is absolute or if viewport is content-box\r\n const isContentBox = style(_viewport, 'boxSizing') === 'content-box';\r\n const paddingVertical = _paddingAbsolute || isContentBox ? padding.b + padding.t : 0;\r\n const subtractXScrollbar = !(_nativeScrollbarsOverlaid.x && isContentBox);\r\n\r\n style(_viewport, {\r\n height:\r\n hostClientSize.h +\r\n fSize.h +\r\n (_overflowScroll.x && subtractXScrollbar ? _scrollbarsHideOffset.x : 0) -\r\n paddingVertical,\r\n });\r\n }\r\n };\r\n\r\n /**\r\n * Gets the current overflow state of the viewport.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param viewportStyleObj The viewport style object where the overflow scroll property can be read of, or undefined if shall be determined.\r\n * @returns A object which contains informations about the current overflow state.\r\n */\r\n const getViewportOverflowState: GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars,\r\n viewportStyleObj?\r\n ) => {\r\n const arrangeHideOffset =\r\n !_nativeScrollbarsHiding && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;\r\n const getStatePerAxis = (\r\n styleKey: string,\r\n isOverlaid: boolean,\r\n nativeScrollbarSize: number\r\n ) => {\r\n const overflowStyle = style(_viewport, styleKey);\r\n // can't do something like \"viewportStyleObj && viewportStyleObj[styleKey] || overflowStyle\" here!\r\n const objectPrefferedOverflowStyle = viewportStyleObj\r\n ? viewportStyleObj[styleKey]\r\n : overflowStyle;\r\n const overflowScroll = objectPrefferedOverflowStyle === 'scroll';\r\n const nonScrollbarStylingHideOffset = isOverlaid ? arrangeHideOffset : nativeScrollbarSize;\r\n const scrollbarsHideOffset =\r\n overflowScroll && !_nativeScrollbarsHiding ? nonScrollbarStylingHideOffset : 0;\r\n const scrollbarsHideOffsetArrange = isOverlaid && !!arrangeHideOffset;\r\n\r\n return [overflowStyle, overflowScroll, scrollbarsHideOffset, scrollbarsHideOffsetArrange] as [\r\n overflowStyle: OverflowStyle,\r\n overflowScroll: boolean,\r\n scrollbarsHideOffset: number,\r\n scrollbarsHideOffsetArrange: boolean\r\n ];\r\n };\r\n\r\n const [xOverflowStyle, xOverflowScroll, xScrollbarsHideOffset, xScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowX', _nativeScrollbarsOverlaid.x, _nativeScrollbarsSize.x);\r\n const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowY', _nativeScrollbarsOverlaid.y, _nativeScrollbarsSize.y);\r\n\r\n return {\r\n _overflowStyle: {\r\n x: xOverflowStyle,\r\n y: yOverflowStyle,\r\n },\r\n _overflowScroll: {\r\n x: xOverflowScroll,\r\n y: yOverflowScroll,\r\n },\r\n _scrollbarsHideOffset: {\r\n x: xScrollbarsHideOffset,\r\n y: yScrollbarsHideOffset,\r\n },\r\n _scrollbarsHideOffsetArrange: {\r\n x: xScrollbarsHideOffsetArrange,\r\n y: yScrollbarsHideOffsetArrange,\r\n },\r\n };\r\n };\r\n\r\n /**\r\n * Sets the overflow property of the viewport and calculates the a overflow state according to the new parameters.\r\n * @param showNativeOverlaidScrollbars Whether to show natively overlaid scrollbars.\r\n * @param overflowAmount The overflow amount.\r\n * @param overflow The overflow behavior according to the options.\r\n * @param viewportStyleObj The viewport style object to which the overflow style shall be applied.\r\n * @returns A object which represents the newly set overflow state.\r\n */\r\n const setViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n hasOverflow: XY,\r\n overflowOption: XY,\r\n viewportStyleObj: StyleObject\r\n ): ViewportOverflowState => {\r\n const setAxisOverflowStyle = (behavior: OverflowBehavior, hasOverflowAxis: boolean) => {\r\n const overflowVisible = overflowIsVisible(behavior);\r\n const overflowVisibleBehavior =\r\n (hasOverflowAxis && overflowVisible && behavior.replace(`${strVisible}-`, '')) || '';\r\n return [\r\n hasOverflowAxis && !overflowVisible ? behavior : '',\r\n overflowIsVisible(overflowVisibleBehavior) ? 'hidden' : overflowVisibleBehavior,\r\n ];\r\n };\r\n\r\n const [overflowX, visibleBehaviorX] = setAxisOverflowStyle(overflowOption.x, hasOverflow.x);\r\n const [overflowY, visibleBehaviorY] = setAxisOverflowStyle(overflowOption.y, hasOverflow.y);\r\n\r\n viewportStyleObj.overflowX = visibleBehaviorX && overflowY ? visibleBehaviorX : overflowX;\r\n viewportStyleObj.overflowY = visibleBehaviorY && overflowX ? visibleBehaviorY : overflowY;\r\n\r\n return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);\r\n };\r\n\r\n /**\r\n * Hides the native scrollbars according to the passed parameters.\r\n * @param viewportOverflowState The viewport overflow state.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportArrange Whether special styles related to the viewport arrange strategy shall be applied.\r\n * @param viewportStyleObj The viewport style object to which the needed styles shall be applied.\r\n */\r\n const hideNativeScrollbars: HideNativeScrollbars = (\r\n viewportOverflowState,\r\n directionIsRTL,\r\n viewportArrange,\r\n viewportStyleObj\r\n ) => {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const horizontalMarginKey: keyof StyleObject = directionIsRTL ? 'marginLeft' : 'marginRight';\r\n const viewportHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingLeft'\r\n : 'paddingRight';\r\n const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey] as number;\r\n const verticalMarginValue = viewportPaddingStyle.marginBottom as number;\r\n const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey] as number;\r\n const verticalPaddingValue = viewportPaddingStyle.paddingBottom as number;\r\n\r\n // horizontal\r\n viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;\r\n viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;\r\n\r\n // vertical\r\n viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;\r\n\r\n // viewport arrange additional styles\r\n if (viewportArrange) {\r\n viewportStyleObj[viewportHorizontalPaddingKey] =\r\n horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);\r\n viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);\r\n }\r\n };\r\n\r\n const [arrangeViewport, undoViewportArrange] = scrollbarsHidingPlugin\r\n ? scrollbarsHidingPlugin._overflowUpdateSegment(\r\n doViewportArrange,\r\n _flexboxGlue,\r\n _viewport,\r\n _viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n )\r\n : [(() => doViewportArrange) as ArrangeViewport, (() => [noop]) as UndoArrangeViewport];\r\n\r\n return (updateHints, checkOption, force) => {\r\n const {\r\n _sizeChanged,\r\n _hostMutation,\r\n _contentMutation,\r\n _paddingStyleChanged,\r\n _heightIntrinsicChanged,\r\n _directionChanged,\r\n } = updateHints;\r\n const { _heightIntrinsic, _directionIsRTL } = getState();\r\n const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] =\r\n checkOption('nativeScrollbarsOverlaid.show');\r\n const [overflow, overflowChanged] = checkOption>('overflow');\r\n\r\n const showNativeOverlaidScrollbars =\r\n showNativeOverlaidScrollbarsOption &&\r\n _nativeScrollbarsOverlaid.x &&\r\n _nativeScrollbarsOverlaid.y;\r\n const adjustFlexboxGlue =\r\n !_viewportIsTarget &&\r\n !_flexboxGlue &&\r\n (_sizeChanged ||\r\n _contentMutation ||\r\n _hostMutation ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n _heightIntrinsicChanged);\r\n const overflowXVisible = overflowIsVisible(overflow.x);\r\n const overflowYVisible = overflowIsVisible(overflow.y);\r\n const overflowVisible = overflowXVisible || overflowYVisible;\r\n\r\n let sizeFractionCache = getCurrentSizeFraction(force);\r\n let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);\r\n let overflowAmuntCache = getCurrentOverflowAmountCache(force);\r\n let overflowEdgeCache = getCurrentOverflowEdgeCache(force);\r\n\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarsHiding) {\r\n _viewportAddRemoveClass(\r\n classNameViewportScrollbarStyling,\r\n dataValueHostViewportScrollbarStyling,\r\n !showNativeOverlaidScrollbars\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);\r\n fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (\r\n _sizeChanged ||\r\n _paddingStyleChanged ||\r\n _contentMutation ||\r\n _directionChanged ||\r\n showNativeOverlaidScrollbarsChanged\r\n ) {\r\n if (overflowVisible) {\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, false);\r\n }\r\n\r\n const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(\r\n showNativeOverlaidScrollbars,\r\n _directionIsRTL,\r\n preMeasureViewportOverflowState\r\n );\r\n const [sizeFraction, sizeFractionChanged] = (sizeFractionCache = updateSizeFraction(force));\r\n const [viewportScrollSize, viewportScrollSizeChanged] = (viewportScrollSizeCache =\r\n updateViewportScrollSizeCache(force));\r\n const viewportclientSize = clientSize(_viewport);\r\n let arrangedViewportScrollSize = viewportScrollSize;\r\n let arrangedViewportClientSize = viewportclientSize;\r\n\r\n redoViewportArrange();\r\n\r\n // if re measure is required (only required if content arrange strategy is used)\r\n if (\r\n (viewportScrollSizeChanged || sizeFractionChanged || showNativeOverlaidScrollbarsChanged) &&\r\n undoViewportArrangeOverflowState &&\r\n !showNativeOverlaidScrollbars &&\r\n arrangeViewport(\r\n undoViewportArrangeOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n )\r\n ) {\r\n arrangedViewportClientSize = clientSize(_viewport);\r\n arrangedViewportScrollSize = scrollSize(_viewport);\r\n }\r\n\r\n const overflowAmountScrollSize = {\r\n w: max0(max(viewportScrollSize.w, arrangedViewportScrollSize.w) + sizeFraction.w),\r\n h: max0(max(viewportScrollSize.h, arrangedViewportScrollSize.h) + sizeFraction.h),\r\n };\r\n const overflowAmountClientSize = {\r\n w: max0(\r\n arrangedViewportClientSize.w +\r\n max0(viewportclientSize.w - viewportScrollSize.w) +\r\n sizeFraction.w\r\n ),\r\n h: max0(\r\n arrangedViewportClientSize.h +\r\n max0(viewportclientSize.h - viewportScrollSize.h) +\r\n sizeFraction.h\r\n ),\r\n };\r\n\r\n overflowEdgeCache = updateOverflowEdge(overflowAmountClientSize);\r\n overflowAmuntCache = updateOverflowAmountCache(\r\n getOverflowAmount(overflowAmountScrollSize, overflowAmountClientSize),\r\n force\r\n );\r\n }\r\n\r\n const [overflowEdge, overflowEdgeChanged] = overflowEdgeCache;\r\n const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;\r\n const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;\r\n const [sizeFraction, sizeFractionChanged] = sizeFractionCache;\r\n const hasOverflow = {\r\n x: overflowAmount.w > 0,\r\n y: overflowAmount.h > 0,\r\n };\r\n const removeClipping =\r\n (overflowXVisible && overflowYVisible && (hasOverflow.x || hasOverflow.y)) ||\r\n (overflowXVisible && hasOverflow.x && !hasOverflow.y) ||\r\n (overflowYVisible && hasOverflow.y && !hasOverflow.x);\r\n\r\n if (\r\n _paddingStyleChanged ||\r\n _directionChanged ||\r\n sizeFractionChanged ||\r\n viewportScrollSizeChanged ||\r\n overflowEdgeChanged ||\r\n overflowAmountChanged ||\r\n overflowChanged ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n adjustFlexboxGlue\r\n ) {\r\n const viewportStyle: StyleObject = {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n width: '',\r\n overflowY: '',\r\n overflowX: '',\r\n };\r\n const viewportOverflowState = setViewportOverflowState(\r\n showNativeOverlaidScrollbars,\r\n hasOverflow,\r\n overflow,\r\n viewportStyle\r\n );\r\n const viewportArranged = arrangeViewport(\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n );\r\n\r\n if (!_viewportIsTarget) {\r\n hideNativeScrollbars(\r\n viewportOverflowState,\r\n _directionIsRTL,\r\n viewportArranged,\r\n viewportStyle\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n fixFlexboxGlue(viewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (_viewportIsTarget) {\r\n attr(_host, dataAttributeHostOverflowX, viewportStyle.overflowX as string);\r\n attr(_host, dataAttributeHostOverflowY, viewportStyle.overflowY as string);\r\n } else {\r\n style(_viewport, viewportStyle);\r\n }\r\n }\r\n\r\n attrClass(_host, dataAttributeHost, dataValueHostOverflowVisible, removeClipping);\r\n conditionalClass(_padding, classNameOverflowVisible, removeClipping);\r\n !_viewportIsTarget && conditionalClass(_viewport, classNameOverflowVisible, overflowVisible);\r\n\r\n const [overflowStyle, overflowStyleChanged] = updateOverflowStyleCache(\r\n getViewportOverflowState(showNativeOverlaidScrollbars)._overflowStyle\r\n );\r\n\r\n setState({\r\n _overflowStyle: overflowStyle,\r\n _overflowEdge: {\r\n x: overflowEdge.w,\r\n y: overflowEdge.h,\r\n },\r\n _overflowAmount: {\r\n x: overflowAmount.w,\r\n y: overflowAmount.h,\r\n },\r\n _hasOverflow: hasOverflow,\r\n });\r\n\r\n return {\r\n _overflowStyleChanged: overflowStyleChanged,\r\n _overflowEdgeChanged: overflowEdgeChanged,\r\n _overflowAmountChanged: overflowAmountChanged,\r\n };\r\n };\r\n};\r\n","import { each, isNumber, scrollLeft, scrollTop, assignDeep, keys } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n createTrinsicUpdateSegment,\r\n createPaddingUpdateSegment,\r\n createOverflowUpdateSegment,\r\n} from 'setups/structureSetup/updateSegments';\r\nimport type { SetupState, SetupUpdateSegment, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\n\r\nexport type CreateStructureUpdateSegment = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n) => StructureSetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdateSegment = SetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdate = (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n) => StructureSetupUpdateHints;\r\n\r\nexport interface StructureSetupUpdateHints {\r\n _sizeChanged: boolean;\r\n _directionChanged: boolean;\r\n _heightIntrinsicChanged: boolean;\r\n _overflowEdgeChanged: boolean;\r\n _overflowAmountChanged: boolean;\r\n _overflowStyleChanged: boolean;\r\n _paddingStyleChanged: boolean;\r\n _hostMutation: boolean;\r\n _contentMutation: boolean;\r\n}\r\n\r\nconst prepareUpdateHints = (\r\n leading: Required,\r\n adaptive?: Partial,\r\n force?: boolean\r\n): Required => {\r\n const result = {};\r\n const finalAdaptive = adaptive || {};\r\n const objKeys = keys(leading).concat(keys(finalAdaptive));\r\n\r\n each(objKeys, (key) => {\r\n const leadingValue = leading[key];\r\n const adaptiveValue = finalAdaptive[key];\r\n result[key] = !!(force || leadingValue || adaptiveValue);\r\n });\r\n\r\n return result as Required;\r\n};\r\n\r\nexport const createStructureSetupUpdate = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n): StructureSetupUpdate => {\r\n const { _viewport } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _flexboxGlue,\r\n } = getEnvironment();\r\n const doViewportArrange =\r\n !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n\r\n const updateSegments: StructureSetupUpdateSegment[] = [\r\n createTrinsicUpdateSegment(structureSetupElements, state),\r\n createPaddingUpdateSegment(structureSetupElements, state),\r\n createOverflowUpdateSegment(structureSetupElements, state),\r\n ];\r\n\r\n return (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n ) => {\r\n const initialUpdateHints = prepareUpdateHints(\r\n assignDeep(\r\n {\r\n _sizeChanged: false,\r\n _paddingStyleChanged: false,\r\n _directionChanged: false,\r\n _heightIntrinsicChanged: false,\r\n _overflowEdgeChanged: false,\r\n _overflowAmountChanged: false,\r\n _overflowStyleChanged: false,\r\n _hostMutation: false,\r\n _contentMutation: false,\r\n },\r\n updateHints\r\n ),\r\n {},\r\n force\r\n );\r\n const adjustScrollOffset = doViewportArrange || !_flexboxGlue;\r\n const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);\r\n const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);\r\n\r\n let adaptivedUpdateHints: Required = initialUpdateHints;\r\n each(updateSegments, (updateSegment) => {\r\n adaptivedUpdateHints = prepareUpdateHints(\r\n adaptivedUpdateHints,\r\n updateSegment(adaptivedUpdateHints, checkOption, !!force) || {},\r\n force\r\n );\r\n });\r\n\r\n if (isNumber(scrollOffsetX)) {\r\n scrollLeft(_viewport, scrollOffsetX);\r\n }\r\n if (isNumber(scrollOffsetY)) {\r\n scrollTop(_viewport, scrollOffsetY);\r\n }\r\n\r\n return adaptivedUpdateHints;\r\n };\r\n};\r\n","import {\r\n Cache,\r\n CacheValues,\r\n createCache,\r\n createDOM,\r\n style,\r\n scrollLeft,\r\n scrollTop,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n addClass,\r\n push,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n isObject,\r\n stopPropagation,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n} from 'classnames';\r\nimport { getPlugins, SizeObserverPluginInstance, sizeObserverPluginName } from 'plugins';\r\n\r\nexport interface SizeObserverOptions {\r\n _direction?: boolean;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserverCallbackParams {\r\n _sizeChanged: boolean;\r\n _directionIsRTLCache?: CacheValues;\r\n _appear?: boolean;\r\n}\r\n\r\nexport type DestroySizeObserver = () => void;\r\n\r\nconst scrollAmount = 3333333;\r\nconst getElmDirectionIsRTL = (elm: HTMLElement): boolean => style(elm, 'direction') === 'rtl';\r\nconst domRectHasDimensions = (rect?: DOMRectReadOnly) => rect && (rect.height || rect.width);\r\n\r\n/**\r\n * Creates a size observer which observes any size, padding, border, margin and box-sizing changes of the target element. Depending on the options also direction and appear can be observed.\r\n * @param target The target element which shall be observed.\r\n * @param onSizeChangedCallback The callback which gets called after a size change was detected.\r\n * @param options The options for size detection, whether to observe also direction and appear.\r\n * @returns A object which represents the instance of the size observer.\r\n */\r\nexport const createSizeObserver = (\r\n target: HTMLElement,\r\n onSizeChangedCallback: (params: SizeObserverCallbackParams) => any,\r\n options?: SizeObserverOptions\r\n): DestroySizeObserver => {\r\n const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } =\r\n options || {};\r\n const sizeObserverPlugin = getPlugins()[sizeObserverPluginName] as\r\n | SizeObserverPluginInstance\r\n | undefined;\r\n const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();\r\n const baseElements = createDOM(\r\n `
`\r\n );\r\n const sizeObserver = baseElements[0] as HTMLElement;\r\n const listenerElement = sizeObserver.firstChild as HTMLElement;\r\n const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);\r\n const [updateResizeObserverContentRectCache] = createCache({\r\n _initialValue: undefined,\r\n _alwaysUpdateValues: true,\r\n _equal: (currVal, newVal) =>\r\n !(\r\n !currVal || // if no initial value\r\n // if from display: none to display: block\r\n (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))\r\n ),\r\n });\r\n const onSizeChangedCallbackProxy = (\r\n sizeChangedContext?: CacheValues | ResizeObserverEntry[] | Event | boolean\r\n ) => {\r\n const isResizeObserverCall =\r\n isArray(sizeChangedContext) &&\r\n sizeChangedContext.length > 0 &&\r\n isObject(sizeChangedContext[0]);\r\n\r\n const hasDirectionCache =\r\n !isResizeObserverCall && isBoolean((sizeChangedContext as CacheValues)[0]);\r\n\r\n let skip = false;\r\n let appear: boolean | number | undefined = false;\r\n let doDirectionScroll = true; // always true if sizeChangedContext is Event (appear callback or RO. Polyfill)\r\n\r\n // if triggered from RO.\r\n if (isResizeObserverCall) {\r\n const [currRContentRect, , prevContentRect] = updateResizeObserverContentRectCache(\r\n (sizeChangedContext as ResizeObserverEntry[]).pop()!.contentRect\r\n );\r\n const hasDimensions = domRectHasDimensions(currRContentRect);\r\n const hadDimensions = domRectHasDimensions(prevContentRect);\r\n skip = !prevContentRect || !hasDimensions; // skip on initial RO. call or if display is none\r\n appear = !hadDimensions && hasDimensions;\r\n\r\n doDirectionScroll = !skip; // direction scroll when not skipping\r\n }\r\n // else if its triggered with DirectionCache\r\n else if (hasDirectionCache) {\r\n [, doDirectionScroll] = sizeChangedContext as CacheValues; // direction scroll when DirectionCache changed, false otherwise\r\n }\r\n // else if it triggered with appear from polyfill\r\n else {\r\n appear = sizeChangedContext === true;\r\n }\r\n\r\n if (observeDirectionChange && doDirectionScroll) {\r\n const rtl = hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)[0]\r\n : getElmDirectionIsRTL(sizeObserver);\r\n scrollLeft(\r\n sizeObserver,\r\n rtl\r\n ? rtlScrollBehavior.n\r\n ? -scrollAmount\r\n : rtlScrollBehavior.i\r\n ? 0\r\n : scrollAmount\r\n : scrollAmount\r\n );\r\n scrollTop(sizeObserver, scrollAmount);\r\n }\r\n\r\n if (!skip) {\r\n onSizeChangedCallback({\r\n _sizeChanged: !hasDirectionCache,\r\n _directionIsRTLCache: hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)\r\n : undefined,\r\n _appear: !!appear,\r\n });\r\n }\r\n };\r\n const offListeners: (() => void)[] = [];\r\n let appearCallback: ((...args: any) => any) | false = observeAppearChange\r\n ? onSizeChangedCallbackProxy\r\n : false;\r\n let directionIsRTLCache: Cache | undefined;\r\n\r\n if (ResizeObserverConstructor) {\r\n const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);\r\n resizeObserverInstance.observe(listenerElement);\r\n push(offListeners, () => {\r\n resizeObserverInstance.disconnect();\r\n });\r\n } else if (sizeObserverPlugin) {\r\n const [pluginAppearCallback, pluginOffListeners] = sizeObserverPlugin._(\r\n listenerElement,\r\n onSizeChangedCallbackProxy,\r\n observeAppearChange\r\n );\r\n appearCallback = pluginAppearCallback;\r\n push(offListeners, pluginOffListeners);\r\n }\r\n\r\n if (observeDirectionChange) {\r\n directionIsRTLCache = createCache(\r\n {\r\n _initialValue: !getIsDirectionRTL(), // invert current value to trigger initial change\r\n },\r\n getIsDirectionRTL\r\n );\r\n const [updateDirectionIsRTLCache] = directionIsRTLCache;\r\n\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'scroll', (event: Event) => {\r\n const directionIsRTLCacheValues = updateDirectionIsRTLCache();\r\n const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;\r\n\r\n if (directionIsRTLChanged) {\r\n removeClass(listenerElement, 'ltr rtl');\r\n if (directionIsRTL) {\r\n addClass(listenerElement, 'rtl');\r\n } else {\r\n addClass(listenerElement, 'ltr');\r\n }\r\n onSizeChangedCallbackProxy(directionIsRTLCacheValues);\r\n }\r\n\r\n stopPropagation(event);\r\n })\r\n );\r\n }\r\n\r\n // appearCallback is always needed on scroll-observer strategy to reset it\r\n if (appearCallback) {\r\n addClass(sizeObserver, classNameSizeObserverAppear);\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'animationstart', appearCallback, {\r\n // Fire only once for \"CSS is ready\" event if ResizeObserver strategy is used\r\n _once: !!ResizeObserverConstructor,\r\n })\r\n );\r\n }\r\n\r\n prependChildren(target, sizeObserver);\r\n\r\n return () => {\r\n runEachAndClear(offListeners);\r\n removeElements(sizeObserver);\r\n };\r\n};\r\n","import {\r\n WH,\r\n CacheValues,\r\n createDiv,\r\n offsetSize,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n createCache,\r\n push,\r\n IntersectionObserverConstructor,\r\n} from 'support';\r\nimport { createSizeObserver } from 'observers/sizeObserver';\r\nimport { classNameTrinsicObserver } from 'classnames';\r\n\r\nexport type TrinsicObserverCallback = (heightIntrinsic: CacheValues) => any;\r\nexport type TrinsicObserver = [\r\n destroy: () => void,\r\n update: () => void | Parameters\r\n];\r\n\r\nconst isHeightIntrinsic = (ioEntryOrSize: IntersectionObserverEntry | WH): boolean =>\r\n (ioEntryOrSize as WH).h === 0 ||\r\n (ioEntryOrSize as IntersectionObserverEntry).isIntersecting ||\r\n (ioEntryOrSize as IntersectionObserverEntry).intersectionRatio > 0;\r\n\r\n/**\r\n * Creates a trinsic observer which observes changes to intrinsic or extrinsic sizing for the height of the target element.\r\n * @param target The element which shall be observed.\r\n * @param onTrinsicChangedCallback The callback which gets called after a change was detected.\r\n * @returns A object which represents the instance of the trinsic observer.\r\n */\r\nexport const createTrinsicObserver = (\r\n target: HTMLElement,\r\n onTrinsicChangedCallback: TrinsicObserverCallback\r\n): TrinsicObserver => {\r\n let intersectionObserverInstance: undefined | IntersectionObserver;\r\n const trinsicObserver = createDiv(classNameTrinsicObserver);\r\n const offListeners: (() => void)[] = [];\r\n const [updateHeightIntrinsicCache] = createCache({\r\n _initialValue: false,\r\n });\r\n const triggerOnTrinsicChangedCallback = (\r\n updateValue?: IntersectionObserverEntry | WH,\r\n fromRecords?: true\r\n ): void | Parameters => {\r\n if (updateValue) {\r\n const heightIntrinsic = updateHeightIntrinsicCache(isHeightIntrinsic(updateValue));\r\n const [, heightIntrinsicChanged] = heightIntrinsic;\r\n\r\n if (heightIntrinsicChanged) {\r\n !fromRecords && onTrinsicChangedCallback(heightIntrinsic);\r\n return [heightIntrinsic];\r\n }\r\n }\r\n };\r\n const intersectionObserverCallback = (\r\n entries: IntersectionObserverEntry[],\r\n fromRecords?: true\r\n ) => {\r\n if (entries && entries.length > 0) {\r\n return triggerOnTrinsicChangedCallback(entries.pop(), fromRecords);\r\n }\r\n };\r\n\r\n if (IntersectionObserverConstructor) {\r\n intersectionObserverInstance = new IntersectionObserverConstructor(\r\n (entries) => intersectionObserverCallback(entries),\r\n { root: target }\r\n );\r\n intersectionObserverInstance.observe(trinsicObserver);\r\n push(offListeners, () => {\r\n intersectionObserverInstance!.disconnect();\r\n });\r\n } else {\r\n const onSizeChanged = () => {\r\n const newSize = offsetSize(trinsicObserver);\r\n triggerOnTrinsicChangedCallback(newSize);\r\n };\r\n push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged));\r\n onSizeChanged();\r\n }\r\n\r\n prependChildren(target, trinsicObserver);\r\n\r\n return [\r\n () => {\r\n runEachAndClear(offListeners);\r\n removeElements(trinsicObserver);\r\n },\r\n () => {\r\n if (intersectionObserverInstance) {\r\n return intersectionObserverCallback(intersectionObserverInstance.takeRecords(), true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n each,\r\n noop,\r\n debounce,\r\n indexOf,\r\n isString,\r\n MutationObserverConstructor,\r\n isEmptyArray,\r\n on,\r\n attr,\r\n is,\r\n find,\r\n push,\r\n} from 'support';\r\n\r\ntype DOMContentObserverCallback = (contentChangedTroughEvent: boolean) => any;\r\n\r\ntype DOMTargetObserverCallback = (targetChangedAttrs: string[], targetStyleChanged: boolean) => any;\r\n\r\ninterface DOMObserverOptionsBase {\r\n _attributes?: string[];\r\n _styleChangingAttributes?: string[];\r\n /**\r\n * A function which can ignore a changed attribute if it returns true.\r\n * for DOMTargetObserver this applies to the changes to the observed target\r\n * for DOMContentObserver this applies to changes to nested targets -> nested targets are elements which match the \"_nestedTargetSelector\" selector\r\n */\r\n _ignoreTargetChange?: DOMObserverIgnoreTargetChange;\r\n}\r\n\r\ninterface DOMContentObserverOptions extends DOMObserverOptionsBase {\r\n _eventContentChange?: DOMObserverEventContentChange; // [selector, eventname(s) | function returning eventname(s)] -> eventnames divided by whitespaces\r\n _nestedTargetSelector?: string;\r\n _ignoreContentChange?: DOMObserverIgnoreContentChange; // function which will prevent marking certain dom changes as content change if it returns true\r\n}\r\n\r\ntype DOMTargetObserverOptions = DOMObserverOptionsBase;\r\n\r\ntype ContentChangeArrayItem = [selector?: string, eventNames?: string] | null | undefined;\r\n\r\nexport type DOMObserverEventContentChange =\r\n | Array\r\n | false\r\n | null\r\n | undefined;\r\n\r\nexport type DOMObserverIgnoreContentChange = (\r\n mutation: MutationRecord,\r\n isNestedTarget: boolean,\r\n domObserverTarget: HTMLElement,\r\n domObserverOptions?: DOMContentObserverOptions\r\n) => boolean;\r\n\r\nexport type DOMObserverIgnoreTargetChange = (\r\n target: Node,\r\n attributeName: string,\r\n oldAttributeValue: string | null,\r\n newAttributeValue: string | null\r\n) => boolean;\r\n\r\nexport type DOMObserverCallback = ContentObserver extends true\r\n ? DOMContentObserverCallback\r\n : DOMTargetObserverCallback;\r\n\r\nexport type DOMObserverOptions = ContentObserver extends true\r\n ? DOMContentObserverOptions\r\n : DOMTargetObserverOptions;\r\n\r\nexport type DOMObserver = [\r\n destroy: () => void,\r\n update: () => void | false | Parameters>\r\n];\r\n\r\ntype EventContentChangeUpdateElement = (getElements?: (selector: string) => Node[]) => void;\r\ntype EventContentChange = [destroy: () => void, updateElements: EventContentChangeUpdateElement];\r\n\r\n/**\r\n * Creates a set of helper functions to observe events of elements inside the target element.\r\n * @param target The target element of which the children elements shall be observed. (not only direct children but also nested ones)\r\n * @param eventContentChange The event content change array. (array of tuples: selector and eventname(s))\r\n * @param callback Callback which is called if one of the elements emits the corresponding event.\r\n * @returns A object which contains a set of helper functions to destroy and update the observation of elements.\r\n */\r\nconst createEventContentChange = (\r\n target: Element,\r\n callback: (...args: any) => any,\r\n eventContentChange?: DOMObserverEventContentChange\r\n): EventContentChange => {\r\n let map: WeakMap any]> | undefined; // weak map to prevent memory leak for detached elements\r\n let destroyed = false;\r\n const destroy = () => {\r\n destroyed = true;\r\n };\r\n const updateElements: EventContentChangeUpdateElement = (getElements?) => {\r\n if (eventContentChange) {\r\n const eventElmList = eventContentChange.reduce>((arr, item) => {\r\n if (item) {\r\n const selector = item[0];\r\n const eventNames = item[1];\r\n const elements =\r\n eventNames &&\r\n selector &&\r\n (getElements ? getElements(selector) : find(selector, target));\r\n\r\n if (elements && elements.length && eventNames && isString(eventNames)) {\r\n push(arr, [elements, eventNames.trim()], true);\r\n }\r\n }\r\n return arr;\r\n }, []);\r\n\r\n each(eventElmList, (item) =>\r\n each(item[0], (elm) => {\r\n const eventNames = item[1];\r\n const entry = map!.get(elm);\r\n\r\n if (entry) {\r\n const entryEventNames = entry[0];\r\n const entryOff = entry[1];\r\n\r\n // in case an already registered element is registered again, unregister the previous events\r\n if (entryEventNames === eventNames) {\r\n entryOff();\r\n }\r\n }\r\n\r\n const off = on(elm, eventNames, (event: Event) => {\r\n if (destroyed) {\r\n off();\r\n map!.delete(elm);\r\n } else {\r\n callback(event);\r\n }\r\n });\r\n map!.set(elm, [eventNames, off]);\r\n })\r\n );\r\n }\r\n };\r\n\r\n if (eventContentChange) {\r\n map = new WeakMap();\r\n updateElements();\r\n }\r\n\r\n return [destroy, updateElements];\r\n};\r\n\r\n/**\r\n * Creates a DOM observer which observes DOM changes to either the target element or its children.\r\n * @param target The element which shall be observed.\r\n * @param isContentObserver Whether this observer is just observing the target or just the targets children. (not only direct children but also nested ones)\r\n * @param callback The callback which gets called if a change was detected.\r\n * @param options The options for DOM change detection.\r\n * @returns A object which represents the instance of the DOM observer.\r\n */\r\nexport const createDOMObserver = (\r\n target: HTMLElement,\r\n isContentObserver: ContentObserver,\r\n callback: DOMObserverCallback,\r\n options?: DOMObserverOptions\r\n): DOMObserver => {\r\n let isConnected = false;\r\n const {\r\n _attributes,\r\n _styleChangingAttributes,\r\n _eventContentChange,\r\n _nestedTargetSelector,\r\n _ignoreTargetChange,\r\n _ignoreContentChange,\r\n } = (options as DOMContentObserverOptions & DOMTargetObserverOptions) || {};\r\n const debouncedEventContentChange = debounce(\r\n () => {\r\n if (isConnected) {\r\n (callback as DOMContentObserverCallback)(true);\r\n }\r\n },\r\n { _timeout: 33, _maxDelay: 99 }\r\n );\r\n const [destroyEventContentChange, updateEventContentChangeElements] = createEventContentChange(\r\n target,\r\n debouncedEventContentChange,\r\n _eventContentChange\r\n );\r\n\r\n // MutationObserver\r\n const finalAttributes = _attributes || [];\r\n const finalStyleChangingAttributes = _styleChangingAttributes || [];\r\n const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);\r\n const observerCallback = (\r\n mutations: MutationRecord[],\r\n fromRecords?: true\r\n ): void | Parameters> => {\r\n const ignoreTargetChange = _ignoreTargetChange || noop;\r\n const ignoreContentChange = _ignoreContentChange || noop;\r\n const targetChangedAttrs: string[] = [];\r\n const totalAddedNodes: Node[] = [];\r\n let targetStyleChanged = false;\r\n let contentChanged = false;\r\n let childListChanged = false;\r\n each(mutations, (mutation) => {\r\n const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;\r\n const isAttributesType = type === 'attributes';\r\n const isChildListType = type === 'childList';\r\n const targetIsMutationTarget = target === mutationTarget;\r\n const attributeValue =\r\n isAttributesType && isString(attributeName)\r\n ? attr(mutationTarget as HTMLElement, attributeName!)\r\n : 0;\r\n const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;\r\n const styleChangingAttrChanged =\r\n indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;\r\n\r\n // if is content observer and something changed in children\r\n if (isContentObserver && !targetIsMutationTarget) {\r\n const notOnlyAttrChanged = !isAttributesType;\r\n const contentAttrChanged = isAttributesType && styleChangingAttrChanged;\r\n const isNestedTarget =\r\n contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);\r\n const baseAssertion = isNestedTarget\r\n ? !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n : notOnlyAttrChanged || contentAttrChanged;\r\n const contentFinalChanged =\r\n baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);\r\n\r\n push(totalAddedNodes, addedNodes);\r\n\r\n contentChanged = contentChanged || contentFinalChanged;\r\n childListChanged = childListChanged || isChildListType;\r\n }\r\n // if is target observer and target attr changed\r\n if (\r\n !isContentObserver &&\r\n targetIsMutationTarget &&\r\n attributeChanged &&\r\n !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n ) {\r\n push(targetChangedAttrs, attributeName!);\r\n targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;\r\n }\r\n });\r\n\r\n if (childListChanged && !isEmptyArray(totalAddedNodes)) {\r\n // adds / removes the new elements from the event content change\r\n updateEventContentChangeElements((selector) =>\r\n totalAddedNodes.reduce((arr, node) => {\r\n push(arr, find(selector, node));\r\n return is(node, selector) ? push(arr, node) : arr;\r\n }, [])\r\n );\r\n }\r\n\r\n if (isContentObserver) {\r\n !fromRecords && contentChanged && (callback as DOMContentObserverCallback)(false);\r\n return [false] as Parameters>;\r\n }\r\n if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {\r\n !fromRecords &&\r\n (callback as DOMTargetObserverCallback)(targetChangedAttrs, targetStyleChanged);\r\n return [targetChangedAttrs, targetStyleChanged] as Parameters<\r\n DOMObserverCallback\r\n >;\r\n }\r\n };\r\n const mutationObserver: MutationObserver = new MutationObserverConstructor!((mutations) =>\r\n observerCallback(mutations)\r\n );\r\n\r\n // Connect\r\n mutationObserver.observe(target, {\r\n attributes: true,\r\n attributeOldValue: true,\r\n attributeFilter: observedAttributes,\r\n subtree: isContentObserver,\r\n childList: isContentObserver,\r\n characterData: isContentObserver,\r\n });\r\n isConnected = true;\r\n\r\n return [\r\n () => {\r\n if (isConnected) {\r\n destroyEventContentChange();\r\n mutationObserver.disconnect();\r\n isConnected = false;\r\n }\r\n },\r\n () => {\r\n if (isConnected) {\r\n debouncedEventContentChange._flush();\r\n\r\n const records = mutationObserver.takeRecords();\r\n return !isEmptyArray(records) && observerCallback(records, true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n debounce,\r\n isArray,\r\n isNumber,\r\n each,\r\n indexOf,\r\n isString,\r\n attr,\r\n removeAttr,\r\n CacheValues,\r\n keys,\r\n liesBetween,\r\n scrollSize,\r\n equalWH,\r\n createCache,\r\n WH,\r\n fractionalSize,\r\n isFunction,\r\n ResizeObserverConstructor,\r\n closest,\r\n assignDeep,\r\n push,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n dataAttributeHost,\r\n dataValueHostOverflowVisible,\r\n classNameViewport,\r\n classNameOverflowVisible,\r\n classNameScrollbar,\r\n} from 'classnames';\r\nimport { createSizeObserver, SizeObserverCallbackParams } from 'observers/sizeObserver';\r\nimport { createTrinsicObserver } from 'observers/trinsicObserver';\r\nimport { createDOMObserver, DOMObserver } from 'observers/domObserver';\r\nimport type { SetupState, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n StructureSetupUpdate,\r\n StructureSetupUpdateHints,\r\n} from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport type StructureSetupObserversUpdate = (checkOption: SetupUpdateCheckOption) => void;\r\n\r\nexport type StructureSetupObservers = [\r\n destroy: () => void,\r\n updateObservers: () => Partial,\r\n updateObserversOptions: StructureSetupObserversUpdate\r\n];\r\n\r\ntype ExcludeFromTuple = T extends [infer F, ...infer R]\r\n ? [F] extends [E]\r\n ? ExcludeFromTuple\r\n : [F, ...ExcludeFromTuple]\r\n : [];\r\n\r\nconst hostSelector = `[${dataAttributeHost}]`;\r\n\r\n// TODO: observer textarea attrs if textarea\r\n\r\nconst viewportSelector = `.${classNameViewport}`;\r\nconst viewportAttrsFromTarget = ['tabindex'];\r\nconst baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];\r\nconst baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];\r\n\r\nexport const createStructureSetupObservers = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState,\r\n structureSetupUpdate: (\r\n ...args: ExcludeFromTuple, Parameters[0]>\r\n ) => any\r\n): StructureSetupObservers => {\r\n let debounceTimeout: number | false | undefined;\r\n let debounceMaxDelay: number | false | undefined;\r\n let contentMutationObserver: DOMObserver | undefined;\r\n const [, setState] = state;\r\n const {\r\n _host,\r\n _viewport,\r\n _content,\r\n _isTextarea,\r\n _viewportIsTarget,\r\n _viewportHasClass,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n\r\n const [updateContentSizeCache] = createCache>(\r\n {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n },\r\n () => {\r\n const has = _viewportHasClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n\r\n const contentScroll = scrollSize(_content);\r\n const viewportScroll = scrollSize(_viewport);\r\n const fractional = fractionalSize(_viewport);\r\n\r\n has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, true);\r\n return {\r\n w: viewportScroll.w + contentScroll.w + fractional.w,\r\n h: viewportScroll.h + contentScroll.h + fractional.h,\r\n };\r\n }\r\n );\r\n const contentMutationObserverAttr = _isTextarea\r\n ? baseStyleChangingAttrsTextarea\r\n : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);\r\n const structureSetupUpdateWithDebouncedAdaptiveUpdateHints = debounce(structureSetupUpdate, {\r\n _timeout: () => debounceTimeout,\r\n _maxDelay: () => debounceMaxDelay,\r\n _mergeParams(prev, curr) {\r\n const [prevObj] = prev;\r\n const [currObj] = curr;\r\n return [\r\n keys(prevObj)\r\n .concat(keys(currObj))\r\n .reduce((obj, key) => {\r\n obj[key] = prevObj[key] || currObj[key];\r\n return obj;\r\n }, {}),\r\n ] as [Partial];\r\n },\r\n });\r\n\r\n const updateViewportAttrsFromHost = (attributes?: string[]) => {\r\n each(attributes || viewportAttrsFromTarget, (attribute) => {\r\n if (indexOf(viewportAttrsFromTarget, attribute) > -1) {\r\n const hostAttr = attr(_host, attribute);\r\n if (isString(hostAttr)) {\r\n attr(_viewport, attribute, hostAttr);\r\n } else {\r\n removeAttr(_viewport, attribute);\r\n }\r\n }\r\n });\r\n };\r\n const onTrinsicChanged = (heightIntrinsicCache: CacheValues, fromRecords?: true) => {\r\n const [heightIntrinsic, heightIntrinsicChanged] = heightIntrinsicCache;\r\n const updateHints: Partial = {\r\n _heightIntrinsicChanged: heightIntrinsicChanged,\r\n };\r\n setState({ _heightIntrinsic: heightIntrinsic });\r\n !fromRecords && structureSetupUpdate(updateHints);\r\n return updateHints;\r\n };\r\n const onSizeChanged = ({\r\n _sizeChanged,\r\n _directionIsRTLCache,\r\n _appear,\r\n }: SizeObserverCallbackParams) => {\r\n const updateFn =\r\n !_sizeChanged || _appear\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n let directionChanged = false;\r\n if (_directionIsRTLCache) {\r\n const [directionIsRTL, directionIsRTLChanged] = _directionIsRTLCache;\r\n directionChanged = directionIsRTLChanged;\r\n setState({ _directionIsRTL: directionIsRTL });\r\n }\r\n\r\n updateFn({ _sizeChanged, _directionChanged: directionChanged });\r\n };\r\n const onContentMutation = (contentChangedTroughEvent: boolean, fromRecords?: true) => {\r\n const [, contentSizeChanged] = updateContentSizeCache();\r\n const updateHints: Partial = {\r\n _contentMutation: contentSizeChanged,\r\n };\r\n // if contentChangedTroughEvent is true its already debounced\r\n const updateFn = contentChangedTroughEvent\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n if (contentSizeChanged) {\r\n !fromRecords && updateFn(updateHints);\r\n }\r\n return updateHints;\r\n };\r\n const onHostMutation = (\r\n targetChangedAttrs: string[],\r\n targetStyleChanged: boolean,\r\n fromRecords?: true\r\n ) => {\r\n const updateHints: Partial = { _hostMutation: targetStyleChanged };\r\n if (targetStyleChanged) {\r\n !fromRecords && structureSetupUpdateWithDebouncedAdaptiveUpdateHints(updateHints);\r\n } else if (!_viewportIsTarget) {\r\n updateViewportAttrsFromHost(targetChangedAttrs);\r\n }\r\n return updateHints;\r\n };\r\n\r\n const trinsicObserver =\r\n (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);\r\n const destroySizeObserver =\r\n !_viewportIsTarget &&\r\n createSizeObserver(_host, onSizeChanged, {\r\n _appear: true,\r\n _direction: !_nativeScrollbarStyling,\r\n });\r\n const [destroyHostMutationObserver, updateHostMutationObserver] = createDOMObserver(\r\n _host,\r\n false,\r\n onHostMutation,\r\n {\r\n _styleChangingAttributes: baseStyleChangingAttrs,\r\n _attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),\r\n }\r\n );\r\n\r\n const viewportIsTargetResizeObserver =\r\n _viewportIsTarget &&\r\n new ResizeObserverConstructor!(onSizeChanged.bind(0, { _sizeChanged: true }));\r\n\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.observe(_host);\r\n updateViewportAttrsFromHost();\r\n\r\n return [\r\n () => {\r\n contentMutationObserver && contentMutationObserver[0](); // destroy\r\n trinsicObserver && trinsicObserver[0](); // destroy\r\n destroySizeObserver && destroySizeObserver();\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.disconnect();\r\n destroyHostMutationObserver();\r\n },\r\n () => {\r\n const updateHints: Partial = {};\r\n const hostUpdateResult = updateHostMutationObserver();\r\n const contentUpdateResult = contentMutationObserver && contentMutationObserver[1](); // update\r\n const trinsicUpdateResult = trinsicObserver && trinsicObserver[1](); // update\r\n\r\n if (hostUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onHostMutation.apply(\r\n 0,\r\n push(hostUpdateResult, true) as [\r\n ...updateResult: typeof hostUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (contentUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onContentMutation.apply(\r\n 0,\r\n push(contentUpdateResult, true) as [\r\n ...updateResult: typeof contentUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (trinsicUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onTrinsicChanged.apply(\r\n 0,\r\n push(trinsicUpdateResult as any[], true) as [\r\n ...updateResult: typeof trinsicUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n\r\n return updateHints;\r\n },\r\n (checkOption) => {\r\n const [ignoreMutation] = checkOption('updating.ignoreMutation');\r\n const [attributes, attributesChanged] = checkOption('updating.attributes');\r\n const [elementEvents, elementEventsChanged] = checkOption | null>(\r\n 'updating.elementEvents'\r\n );\r\n const [debounceValue, debounceChanged] = checkOption | number | null>(\r\n 'updating.debounce'\r\n );\r\n const updateContentMutationObserver = elementEventsChanged || attributesChanged;\r\n const ignoreMutationFromOptions = (mutation: MutationRecord) =>\r\n isFunction(ignoreMutation) && ignoreMutation(mutation);\r\n\r\n if (updateContentMutationObserver) {\r\n if (contentMutationObserver) {\r\n contentMutationObserver[1](); // update\r\n contentMutationObserver[0](); // destroy\r\n }\r\n contentMutationObserver = createDOMObserver(\r\n _content || _viewport,\r\n true,\r\n onContentMutation,\r\n {\r\n _styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),\r\n _attributes: contentMutationObserverAttr.concat(attributes || []),\r\n _eventContentChange: elementEvents,\r\n _nestedTargetSelector: hostSelector,\r\n _ignoreContentChange: (mutation, isNestedTarget) => {\r\n const { target, attributeName } = mutation;\r\n const ignore =\r\n !isNestedTarget && attributeName\r\n ? liesBetween(target, hostSelector, viewportSelector)\r\n : false;\r\n return (\r\n ignore ||\r\n !!closest(target, `.${classNameScrollbar}`) || // ignore explicitely all scrollbar elements\r\n !!ignoreMutationFromOptions(mutation)\r\n );\r\n },\r\n }\r\n );\r\n }\r\n\r\n if (debounceChanged) {\r\n structureSetupUpdateWithDebouncedAdaptiveUpdateHints._flush();\r\n if (isArray(debounceValue)) {\r\n const timeout = debounceValue[0];\r\n const maxWait = debounceValue[1];\r\n debounceTimeout = isNumber(timeout) ? timeout : false;\r\n debounceMaxDelay = isNumber(maxWait) ? maxWait : false;\r\n } else if (isNumber(debounceValue)) {\r\n debounceTimeout = debounceValue;\r\n debounceMaxDelay = false;\r\n } else {\r\n debounceTimeout = false;\r\n debounceMaxDelay = false;\r\n }\r\n }\r\n },\r\n ];\r\n};\r\n","import { createEventListenerHub, isEmptyObject, keys } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport { createStructureSetupElements } from 'setups/structureSetup/structureSetup.elements';\r\nimport { createStructureSetupUpdate } from 'setups/structureSetup/structureSetup.update';\r\nimport { createStructureSetupObservers } from 'setups/structureSetup/structureSetup.observers';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type { TRBL, XY, EventListener } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { Setup } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { PartialOptions, StyleObject, OverflowStyle } from 'typings';\r\n\r\nexport interface StructureSetupState {\r\n _padding: TRBL;\r\n _paddingAbsolute: boolean;\r\n _viewportPaddingStyle: StyleObject;\r\n _overflowEdge: XY;\r\n _overflowAmount: XY;\r\n _overflowStyle: XY;\r\n _hasOverflow: XY;\r\n _heightIntrinsic: boolean;\r\n _directionIsRTL: boolean;\r\n}\r\n\r\nexport interface StructureSetupStaticState {\r\n _elements: StructureSetupElementsObj;\r\n _appendElements: () => void;\r\n _addOnUpdatedListener: (listener: EventListener) => void;\r\n}\r\n\r\ntype StructureSetupEventMap = {\r\n u: [\r\n updateHints: StructureSetupUpdateHints,\r\n changedOptions: PartialOptions,\r\n force: boolean\r\n ];\r\n};\r\n\r\nconst initialXYNumber = { x: 0, y: 0 };\r\nconst initialStructureSetupUpdateState: StructureSetupState = {\r\n _padding: {\r\n t: 0,\r\n r: 0,\r\n b: 0,\r\n l: 0,\r\n },\r\n _paddingAbsolute: false,\r\n _viewportPaddingStyle: {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n paddingTop: 0,\r\n paddingRight: 0,\r\n paddingBottom: 0,\r\n paddingLeft: 0,\r\n },\r\n _overflowEdge: initialXYNumber,\r\n _overflowAmount: initialXYNumber,\r\n _overflowStyle: {\r\n x: 'hidden',\r\n y: 'hidden',\r\n },\r\n _hasOverflow: {\r\n x: false,\r\n y: false,\r\n },\r\n _heightIntrinsic: false,\r\n _directionIsRTL: false,\r\n};\r\n\r\nexport const createStructureSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions\r\n): Setup => {\r\n const checkOptionsFallback = createOptionCheck(options, {});\r\n const state = createState(initialStructureSetupUpdateState);\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub();\r\n const [getState] = state;\r\n const [elements, appendElements, destroyElements] = createStructureSetupElements(target);\r\n const updateStructure = createStructureSetupUpdate(elements, state);\r\n const triggerUpdateEvent: (...args: StructureSetupEventMap['u']) => void = (\r\n updateHints,\r\n changedOptions,\r\n force\r\n ) => {\r\n const truthyUpdateHints = keys(updateHints).some((key) => updateHints[key]);\r\n\r\n if (truthyUpdateHints || !isEmptyObject(changedOptions) || force) {\r\n triggerEvent('u', [updateHints, changedOptions, force]);\r\n }\r\n };\r\n const [destroyObservers, updateObservers, updateObserversOptions] = createStructureSetupObservers(\r\n elements,\r\n state,\r\n (updateHints) => {\r\n triggerUpdateEvent(updateStructure(checkOptionsFallback, updateHints), {}, false);\r\n }\r\n );\r\n\r\n const structureSetupState = getState.bind(0) as (() => StructureSetupState) &\r\n StructureSetupStaticState;\r\n structureSetupState._addOnUpdatedListener = (listener) => {\r\n addEvent('u', listener);\r\n };\r\n structureSetupState._appendElements = appendElements;\r\n structureSetupState._elements = elements;\r\n\r\n return [\r\n (changedOptions, force?) => {\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n updateObserversOptions(checkOption);\r\n triggerUpdateEvent(\r\n updateStructure(checkOption, updateObservers(), force),\r\n changedOptions,\r\n !!force\r\n );\r\n },\r\n structureSetupState,\r\n () => {\r\n removeEvent();\r\n destroyObservers();\r\n destroyElements();\r\n },\r\n ];\r\n};\r\n","import {\r\n addClass,\r\n appendChildren,\r\n createDiv,\r\n each,\r\n isEmptyArray,\r\n on,\r\n push,\r\n removeClass,\r\n removeElements,\r\n runEachAndClear,\r\n setT,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameScrollbar,\r\n classNameScrollbarHorizontal,\r\n classNameScrollbarVertical,\r\n classNameScrollbarTrack,\r\n classNameScrollbarHandle,\r\n classNamesScrollbarInteraction,\r\n classNamesScrollbarTransitionless,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { dynamicInitializationElement as generalDynamicInitializationElement } from 'initialization';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n ScrollbarsDynamicInitializationElement,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.initialization';\r\n\r\nexport interface ScrollbarStructure {\r\n _scrollbar: HTMLElement;\r\n _track: HTMLElement;\r\n _handle: HTMLElement;\r\n}\r\n\r\nexport interface ScrollbarsSetupElement {\r\n _scrollbarStructures: ScrollbarStructure[];\r\n _clone: () => ScrollbarStructure;\r\n _addRemoveClass: (classNames: string, add?: boolean) => void;\r\n // _removeClass: (classNames: string) => void;\r\n /*\r\n _addEventListener: () => void;\r\n _removeEventListener: () => void;\r\n */\r\n}\r\n\r\nexport interface ScrollbarsSetupElementsObj {\r\n _horizontal: ScrollbarsSetupElement;\r\n _vertical: ScrollbarsSetupElement;\r\n}\r\n\r\nexport type ScrollbarsSetupElements = [\r\n elements: ScrollbarsSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nconst interactionStartEventNames = 'touchstart mouseenter';\r\nconst interactionEndEventNames = 'touchend touchcancel mouseleave';\r\nconst stopRootClickPropagation = (scrollbar: HTMLElement, documentElm: Document) =>\r\n on(\r\n scrollbar,\r\n 'mousedown',\r\n on.bind(0, documentElm, 'click', stopPropagation, { _once: true, _capture: true }),\r\n { _capture: true }\r\n );\r\n\r\nexport const createScrollbarsSetupElements = (\r\n target: InitializationTarget,\r\n structureSetupElements: StructureSetupElementsObj\r\n): ScrollbarsSetupElements => {\r\n const { _getInitializationStrategy } = getEnvironment();\r\n const { _scrollbarsSlot: environmentScrollbarSlot } =\r\n _getInitializationStrategy() as ScrollbarsInitializationStrategy;\r\n const { _documentElm, _target, _host, _viewport, _targetIsElm } = structureSetupElements;\r\n const initializationScrollbarSlot =\r\n !_targetIsElm && (target as ScrollbarsInitialization).scrollbarsSlot;\r\n const evaluatedScrollbarSlot =\r\n generalDynamicInitializationElement(\r\n [_target, _host, _viewport],\r\n () => _host,\r\n environmentScrollbarSlot,\r\n initializationScrollbarSlot\r\n );\r\n const scrollbarsAddRemoveClass = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n classNames: string,\r\n add?: boolean\r\n ) => {\r\n const action = add ? addClass : removeClass;\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n action(scrollbarStructure._scrollbar, classNames);\r\n });\r\n };\r\n const destroyFns: (() => void)[] = [];\r\n const horizontalScrollbars: ScrollbarStructure[] = [];\r\n const verticalScrollbars: ScrollbarStructure[] = [];\r\n\r\n const addRemoveClassHorizontal = scrollbarsAddRemoveClass.bind(0, horizontalScrollbars);\r\n const addRemoveClassVertical = scrollbarsAddRemoveClass.bind(0, verticalScrollbars);\r\n const generateScrollbarDOM = (horizontal?: boolean): ScrollbarStructure => {\r\n const scrollbarClassName = horizontal\r\n ? classNameScrollbarHorizontal\r\n : classNameScrollbarVertical;\r\n const arrToPush = horizontal ? horizontalScrollbars : verticalScrollbars;\r\n const transitionlessClass = isEmptyArray(arrToPush) ? classNamesScrollbarTransitionless : '';\r\n const scrollbar = createDiv(\r\n `${classNameScrollbar} ${scrollbarClassName} ${transitionlessClass} os-theme-dark`\r\n );\r\n const track = createDiv(classNameScrollbarTrack);\r\n const handle = createDiv(classNameScrollbarHandle);\r\n const result = {\r\n _scrollbar: scrollbar,\r\n _track: track,\r\n _handle: handle,\r\n };\r\n\r\n appendChildren(scrollbar, track);\r\n appendChildren(track, handle);\r\n\r\n push(arrToPush, result);\r\n push(destroyFns, [\r\n removeElements.bind(0, scrollbar),\r\n on(scrollbar, interactionStartEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction, true);\r\n addRemoveClassVertical(classNamesScrollbarInteraction, true);\r\n }),\r\n on(scrollbar, interactionEndEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction);\r\n addRemoveClassVertical(classNamesScrollbarInteraction);\r\n }),\r\n stopRootClickPropagation(scrollbar, _documentElm),\r\n ]);\r\n\r\n return result;\r\n };\r\n const generateHorizontalScrollbarStructure = generateScrollbarDOM.bind(0, true);\r\n const generateVerticalScrollbarStructure = generateScrollbarDOM.bind(0, false);\r\n const appendElements = () => {\r\n appendChildren(evaluatedScrollbarSlot, horizontalScrollbars[0]._scrollbar);\r\n appendChildren(evaluatedScrollbarSlot, verticalScrollbars[0]._scrollbar);\r\n\r\n setT(() => {\r\n addRemoveClassHorizontal(classNamesScrollbarTransitionless);\r\n addRemoveClassVertical(classNamesScrollbarTransitionless);\r\n }, 300);\r\n };\r\n\r\n generateHorizontalScrollbarStructure();\r\n generateVerticalScrollbarStructure();\r\n\r\n return [\r\n {\r\n _horizontal: {\r\n _scrollbarStructures: horizontalScrollbars,\r\n _clone: generateHorizontalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassHorizontal,\r\n },\r\n _vertical: {\r\n _scrollbarStructures: verticalScrollbars,\r\n _clone: generateVerticalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassVertical,\r\n },\r\n },\r\n appendElements,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { rAF, cAF, isFunction, on, runEachAndClear, setT, clearT } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport {\r\n createScrollbarsSetupElements,\r\n ScrollbarsSetupElementsObj,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.elements';\r\nimport {\r\n classNamesScrollbarVisible,\r\n classNamesScrollbarCornerless,\r\n classNamesScrollbarAutoHidden,\r\n} from 'classnames';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type {\r\n ReadonlyOSOptions,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport type { Setup, StructureSetupState, StructureSetupStaticState } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { OverflowStyle } from 'typings';\r\n\r\n// eslint-disable-next-line @typescript-eslint/no-empty-interface\r\nexport interface ScrollbarsSetupState {}\r\n\r\nexport interface ScrollbarsSetupStaticState {\r\n _elements: ScrollbarsSetupElementsObj;\r\n _appendElements: () => void;\r\n}\r\n\r\nconst createSelfCancelTimeout = (timeout?: number | (() => number)) => {\r\n let id: number;\r\n const setTFn = timeout ? setT : rAF!;\r\n const clearTFn = timeout ? clearT : cAF!;\r\n return [\r\n (callback: () => any) => {\r\n clearTFn(id);\r\n // @ts-ignore\r\n id = setTFn(callback, isFunction(timeout) ? timeout() : timeout);\r\n },\r\n () => clearTFn(id),\r\n ] as [timeout: (callback: () => any) => void, clear: () => void];\r\n};\r\n\r\nexport const createScrollbarsSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions,\r\n structureSetupState: (() => StructureSetupState) & StructureSetupStaticState\r\n): Setup => {\r\n let globalAutoHideDelay = 0;\r\n let autoHideIsMove: boolean;\r\n let autoHideIsLeave: boolean;\r\n let autoHideNotNever: boolean;\r\n let mouseInHost: boolean;\r\n const state = createState({});\r\n const [getState] = state;\r\n const [requestMouseMoveAnimationFrame, cancelMouseMoveAnimationFrame] = createSelfCancelTimeout();\r\n const [requestScrollAnimationFrame, cancelScrollAnimationFrame] = createSelfCancelTimeout();\r\n const [scrollTimeout, clearScrollTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideMoveTimeout, clearAutoHideTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideTimeout, clearAutoTimeout] = createSelfCancelTimeout(() => globalAutoHideDelay);\r\n const [elements, appendElements, destroyElements] = createScrollbarsSetupElements(\r\n target,\r\n structureSetupState._elements\r\n );\r\n const { _host, _viewport } = structureSetupState._elements;\r\n const { _horizontal, _vertical } = elements;\r\n const { _addRemoveClass: addRemoveClassHorizontal } = _horizontal;\r\n const { _addRemoveClass: addRemoveClassVertical } = _vertical;\r\n const manageScrollbarsAutoHide = (removeAutoHide: boolean, delayless?: boolean) => {\r\n clearAutoTimeout();\r\n if (removeAutoHide) {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden);\r\n } else {\r\n const hide = () => {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden, true);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden, true);\r\n };\r\n if (globalAutoHideDelay > 0 && !delayless) {\r\n auotHideTimeout(hide);\r\n } else {\r\n hide();\r\n }\r\n }\r\n };\r\n const onHostMouseEnter = () => {\r\n mouseInHost = autoHideIsLeave;\r\n mouseInHost && manageScrollbarsAutoHide(true);\r\n };\r\n const destroyFns: (() => void)[] = [\r\n clearScrollTimeout,\r\n clearAutoTimeout,\r\n clearAutoHideTimeout,\r\n cancelScrollAnimationFrame,\r\n cancelMouseMoveAnimationFrame,\r\n destroyElements,\r\n\r\n on(_host, 'mouseover', onHostMouseEnter, { _once: true }),\r\n on(_host, 'mouseenter', onHostMouseEnter),\r\n on(_host, 'mouseleave', () => {\r\n mouseInHost = false;\r\n autoHideIsLeave && manageScrollbarsAutoHide(false);\r\n }),\r\n on(_host, 'mousemove', () => {\r\n autoHideIsMove &&\r\n requestMouseMoveAnimationFrame(() => {\r\n clearScrollTimeout();\r\n manageScrollbarsAutoHide(true);\r\n auotHideMoveTimeout(() => {\r\n autoHideIsMove && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n on(_viewport, 'scroll', () => {\r\n autoHideNotNever &&\r\n requestScrollAnimationFrame(() => {\r\n manageScrollbarsAutoHide(true);\r\n scrollTimeout(() => {\r\n autoHideNotNever && !mouseInHost && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n ];\r\n const scrollbarsSetupState = getState.bind(0) as (() => ScrollbarsSetupState) &\r\n ScrollbarsSetupStaticState;\r\n scrollbarsSetupState._elements = elements;\r\n scrollbarsSetupState._appendElements = appendElements;\r\n\r\n return [\r\n (changedOptions, force, structureUpdateHints) => {\r\n const { _overflowEdgeChanged, _overflowAmountChanged, _overflowStyleChanged } =\r\n structureUpdateHints;\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n\r\n const [visibility, visibilityChanged] =\r\n checkOption('scrollbars.visibility');\r\n const [autoHide, autoHideChanged] =\r\n checkOption('scrollbars.autoHide');\r\n const [autoHideDelay] = checkOption('scrollbars.autoHideDelay');\r\n const [dragScrolling, dragScrollingChanged] = checkOption(\r\n 'scrollbars.dragScrolling'\r\n );\r\n const [touchSupport, touchSupportChanged] = checkOption('scrollbars.touchSupport');\r\n\r\n const updateHandleSize = _overflowEdgeChanged || _overflowAmountChanged;\r\n const updateVisibility = _overflowStyleChanged || visibilityChanged;\r\n\r\n const setScrollbarVisibility = (\r\n overflowStyle: OverflowStyle,\r\n addRemoveClass: (classNames: string, add?: boolean) => void\r\n ) => {\r\n const isVisible =\r\n visibility === 'visible' || (visibility === 'auto' && overflowStyle === 'scroll');\r\n addRemoveClass(classNamesScrollbarVisible, isVisible);\r\n return isVisible;\r\n };\r\n\r\n globalAutoHideDelay = autoHideDelay;\r\n\r\n if (updateVisibility) {\r\n const { _overflowStyle } = structureSetupState();\r\n\r\n const xVisible = setScrollbarVisibility(_overflowStyle.x, addRemoveClassHorizontal);\r\n const yVisible = setScrollbarVisibility(_overflowStyle.y, addRemoveClassVertical);\r\n const hasCorner = xVisible && yVisible;\r\n\r\n addRemoveClassHorizontal(classNamesScrollbarCornerless, !hasCorner);\r\n addRemoveClassVertical(classNamesScrollbarCornerless, !hasCorner);\r\n }\r\n if (autoHideChanged) {\r\n autoHideIsMove = autoHide === 'move';\r\n autoHideIsLeave = autoHide === 'leave';\r\n autoHideNotNever = autoHide !== 'never';\r\n manageScrollbarsAutoHide(!autoHideNotNever, true);\r\n }\r\n },\r\n scrollbarsSetupState,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { OverlayScrollbars } from 'overlayscrollbars';\r\n\r\nconst targets: Set = new Set();\r\nconst targetInstanceMap: WeakMap = new WeakMap();\r\n\r\n/**\r\n * Adds the given OverlayScrollbars instance to the given element.\r\n * @param target The element which is the target of the OverlayScrollbars instance.\r\n * @param osInstance The OverlayScrollbars instance.\r\n */\r\nexport const addInstance = (target: Element, osInstance: OverlayScrollbars): void => {\r\n targetInstanceMap.set(target, osInstance);\r\n targets.add(target);\r\n};\r\n\r\n/**\r\n * Removes a OverlayScrollbars instance from the given element.\r\n * @param target The element from which its OverlayScrollbars instance shall be removed.\r\n */\r\nexport const removeInstance = (target: Element): void => {\r\n targetInstanceMap.delete(target);\r\n targets.delete(target);\r\n};\r\n\r\n/**\r\n * Gets the OverlayScrollbars from the given element or undefined if it doesn't have one.\r\n * @param target The element of which its OverlayScrollbars instance shall be get.\r\n */\r\nexport const getInstance = (target: Element): OverlayScrollbars | undefined =>\r\n targetInstanceMap.get(target);\r\n\r\n/**\r\n * Gets a Map which represents all active OverayScrollbars instances.\r\n * The Key is the element and the value is the instance.\r\n */\r\nexport const allInstances = (): ReadonlyMap => {\r\n const validTargetInstanceMap: Map = new Map();\r\n\r\n targets.forEach((target: Element) => {\r\n /* istanbul ignore else */\r\n if (targetInstanceMap.has(target)) {\r\n validTargetInstanceMap.set(target, targetInstanceMap.get(target)!);\r\n }\r\n });\r\n\r\n targets.clear();\r\n\r\n validTargetInstanceMap.forEach((instance: OverlayScrollbars, validTarget: Element) => {\r\n targets.add(validTarget);\r\n });\r\n\r\n return validTargetInstanceMap;\r\n};\r\n","import {\r\n assignDeep,\r\n isEmptyObject,\r\n each,\r\n isFunction,\r\n keys,\r\n isHTMLElement,\r\n XY,\r\n TRBL,\r\n createEventListenerHub,\r\n} from 'support';\r\nimport { createStructureSetup, createScrollbarsSetup } from 'setups';\r\nimport { getOptionsDiff, Options, ReadonlyOSOptions } from 'options';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n getPlugins,\r\n addPlugin,\r\n optionsValidationPluginName,\r\n Plugin,\r\n OptionsValidationPluginInstance,\r\n} from 'plugins';\r\nimport { addInstance, getInstance, removeInstance } from 'instances';\r\nimport type { PartialOptions, OverflowStyle } from 'typings';\r\nimport type {\r\n InitializationTarget,\r\n InitializationTargetObject,\r\n InitializationStrategy,\r\n} from 'initialization';\r\nimport type {\r\n InitialEventListeners as GeneralInitialEventListeners,\r\n EventListener as GeneralEventListener,\r\n} from 'support/eventListeners';\r\n\r\nexport interface OverlayScrollbarsStatic {\r\n (\r\n target: InitializationTarget | InitializationTargetObject,\r\n options?: PartialOptions,\r\n eventListeners?: GeneralInitialEventListeners\r\n ): OverlayScrollbars;\r\n\r\n plugin(plugin: Plugin | Plugin[]): void;\r\n env(): Environment;\r\n}\r\n\r\nexport interface Environment {\r\n scrollbarsSize: XY;\r\n scrollbarsOverlaid: XY;\r\n scrollbarsHiding: boolean;\r\n rtlScrollBehavior: { n: boolean; i: boolean };\r\n flexboxGlue: boolean;\r\n cssCustomProperties: boolean;\r\n defaultInitializationStrategy: InitializationStrategy;\r\n defaultDefaultOptions: Options;\r\n\r\n getInitializationStrategy(): InitializationStrategy;\r\n setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n getDefaultOptions(): Options;\r\n setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nexport interface State {\r\n padding: TRBL;\r\n paddingAbsolute: boolean;\r\n overflowEdge: XY;\r\n overflowAmount: XY;\r\n overflowStyle: XY;\r\n hasOverflow: XY;\r\n destroyed: boolean;\r\n}\r\n\r\nexport interface Elements {\r\n target: HTMLElement;\r\n host: HTMLElement;\r\n padding: HTMLElement;\r\n viewport: HTMLElement;\r\n content: HTMLElement;\r\n}\r\n\r\nexport interface OnUpdatedEventListenerArgs {\r\n updateHints: {\r\n sizeChanged: boolean;\r\n directionChanged: boolean;\r\n heightIntrinsicChanged: boolean;\r\n overflowEdgeChanged: boolean;\r\n overflowAmountChanged: boolean;\r\n overflowStyleChanged: boolean;\r\n hostMutation: boolean;\r\n contentMutation: boolean;\r\n };\r\n changedOptions: PartialOptions;\r\n force: boolean;\r\n}\r\n\r\nexport type EventListenerMap = {\r\n /**\r\n * Triggered after all elements are initialized and appended.\r\n */\r\n initialized: [instance: OverlayScrollbars];\r\n /**\r\n * Triggered after an update.\r\n */\r\n updated: [instance: OverlayScrollbars, onUpdatedArgs: OnUpdatedEventListenerArgs];\r\n /**\r\n * Triggered after all elements, observers and events are destroyed.\r\n */\r\n destroyed: [instance: OverlayScrollbars, withdrawn: boolean];\r\n};\r\n\r\nexport type InitialEventListeners = GeneralInitialEventListeners;\r\n\r\nexport type EventListener = GeneralEventListener<\r\n EventListenerMap,\r\n Name\r\n>;\r\n\r\nexport interface OverlayScrollbars {\r\n options(): Options;\r\n options(newOptions?: PartialOptions): Options;\r\n\r\n update(force?: boolean): OverlayScrollbars;\r\n\r\n destroy(): void;\r\n\r\n state(): State;\r\n\r\n elements(): Elements;\r\n\r\n on(name: Name, listener: EventListener): () => void;\r\n on(name: Name, listener: EventListener[]): () => void;\r\n\r\n off(name: Name, listener: EventListener): void;\r\n off(name: Name, listener: EventListener[]): void;\r\n}\r\n\r\n/**\r\n * Notes:\r\n * Height intrinsic detection use \"content: true\" init strategy - or open ticket for custom height intrinsic observer\r\n */\r\n\r\nexport const OverlayScrollbars: OverlayScrollbarsStatic = (\r\n target,\r\n options?,\r\n eventListeners?\r\n): OverlayScrollbars => {\r\n let destroyed = false;\r\n const {\r\n _getDefaultOptions,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _addListener: addEnvListener,\r\n } = getEnvironment();\r\n const plugins = getPlugins();\r\n const instanceTarget = isHTMLElement(target) ? target : target.target;\r\n const potentialInstance = getInstance(instanceTarget);\r\n if (potentialInstance) {\r\n return potentialInstance;\r\n }\r\n\r\n const optionsValidationPlugin = plugins[\r\n optionsValidationPluginName\r\n ] as OptionsValidationPluginInstance;\r\n const validateOptions = (newOptions?: PartialOptions) => {\r\n const opts = newOptions || {};\r\n const validate = optionsValidationPlugin && optionsValidationPlugin._;\r\n return validate ? validate(opts, true) : opts;\r\n };\r\n const currentOptions: ReadonlyOSOptions = assignDeep(\r\n {},\r\n _getDefaultOptions(),\r\n validateOptions(options)\r\n );\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub(eventListeners);\r\n const [updateStructure, structureState, destroyStructure] = createStructureSetup(\r\n target,\r\n currentOptions\r\n );\r\n const [updateScrollbars, scrollbarsState, destroyScrollbars] = createScrollbarsSetup(\r\n target,\r\n currentOptions,\r\n structureState\r\n );\r\n const update = (changedOptions: PartialOptions, force?: boolean) => {\r\n updateStructure(changedOptions, !!force);\r\n };\r\n const removeEnvListener = addEnvListener(update.bind(0, {}, true));\r\n const destroy = (withdrawn?: boolean) => {\r\n removeInstance(instanceTarget);\r\n removeEnvListener();\r\n\r\n destroyScrollbars();\r\n destroyStructure();\r\n\r\n destroyed = true;\r\n\r\n // eslint-disable-next-line no-use-before-define\r\n triggerEvent('destroyed', [instance, !!withdrawn]);\r\n removeEvent();\r\n };\r\n\r\n const instance: OverlayScrollbars = {\r\n options(newOptions?: PartialOptions) {\r\n if (newOptions) {\r\n const changedOptions = 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{ isArrayLike, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype RunEachItem = ((...args: any) => any | any[]) | null | undefined;\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each(\r\n array: Array | ReadonlyArray,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray;\r\nexport function each(\r\n array: Array | ReadonlyArray | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | false | null | undefined;\r\nexport function each(\r\n arrayLikeObject: ArrayLike,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike;\r\nexport function each(\r\n arrayLikeObject: ArrayLike | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | false | null | undefined;\r\nexport function each(\r\n obj: PlainObject,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject;\r\nexport function each(\r\n obj: PlainObject | false | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | false | null | undefined;\r\nexport function each(\r\n source: Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined {\r\n if (isArrayLike(source)) {\r\n for (let i = 0; i < source.length; i++) {\r\n if (callback(source[i], i, source) === false) {\r\n break;\r\n }\r\n }\r\n } else if (source) {\r\n each(Object.keys(source), (key) => callback(source[key], key, source));\r\n }\r\n return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = (arr: T[], item: T, fromIndex?: number): number =>\r\n arr.indexOf(item, fromIndex);\r\n\r\n/**\r\n * Pushesh all given items into the given array and returns it.\r\n * @param array The array the items shall be pushed into.\r\n * @param items The items which shall be pushed into the array.\r\n */\r\nexport const push = (array: T[], items: T | ArrayLike, arrayIsSingleItem?: boolean): T[] => {\r\n !arrayIsSingleItem && !isString(items) && isArrayLike(items)\r\n ? Array.prototype.push.apply(array, items as T[])\r\n : array.push(items as T);\r\n return array;\r\n};\r\n\r\n/**\r\n * Creates a shallow-copied Array instance from an array-like or iterable object.\r\n * @param arr The object from which the array instance shall be created.\r\n */\r\nexport const from = (arr?: ArrayLike | Set) => {\r\n const original = Array.from;\r\n const result: T[] = [];\r\n\r\n if (original && arr) {\r\n return original(arr);\r\n }\r\n\r\n if (arr instanceof Set) {\r\n arr.forEach((value) => {\r\n push(result, value);\r\n });\r\n } else {\r\n each(arr, (elm) => {\r\n push(result, elm);\r\n });\r\n }\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the passed array is empty.\r\n * @param array The array which shall be checked.\r\n */\r\nexport const isEmptyArray = (array: any[] | null | undefined): boolean =>\r\n !!array && array.length === 0;\r\n\r\n/**\r\n * Calls all functions in the passed array/set of functions.\r\n * @param arr The array filled with function which shall be called.\r\n * @param args The args with which each function is called.\r\n * @param keep True when the Set / array should not be cleared afterwards, false otherwise.\r\n */\r\nexport const runEachAndClear = (arr: RunEachItem[], args?: any[], keep?: boolean): void => {\r\n // eslint-disable-next-line prefer-spread\r\n const runFn = (fn: RunEachItem) => fn && fn.apply(undefined, args || []);\r\n each(arr, runFn);\r\n !keep && ((arr as any[]).length = 0);\r\n};\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray, isUndefined } from 'support/utils/types';\r\nimport { PlainObject, StyleObject } from 'typings';\r\n\r\nexport interface TRBL {\r\n t: number;\r\n r: number;\r\n b: number;\r\n l: number;\r\n}\r\n\r\nconst cssNumber = {\r\n // animationiterationcount: 1,\r\n // columncount: 1,\r\n // fillopacity: 1,\r\n // flexgrow: 1,\r\n // flexshrink: 1,\r\n // fontweight: 1,\r\n // lineheight: 1,\r\n // order: 1,\r\n // orphans: 1,\r\n // widows: 1,\r\n // zoom: 1,\r\n opacity: 1,\r\n zindex: 1,\r\n};\r\n\r\nconst parseToZeroOrNumber = (value: string, toFloat?: boolean): number => {\r\n /* istanbul ignore next */\r\n const num = toFloat ? parseFloat(value) : parseInt(value, 10);\r\n // num === num means num is not NaN\r\n /* istanbul ignore next */\r\n return num === num ? num : 0; // eslint-disable-line no-self-compare\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number =>\r\n !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;\r\n\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n /* istanbul ignore next */\r\n computedStyle != null\r\n ? computedStyle[prop] || computedStyle.getPropertyValue(prop)\r\n : elm.style[prop];\r\n\r\nconst setCSSVal = (\r\n elm: HTMLElement | false | null | undefined,\r\n prop: string,\r\n val: string | number\r\n): void => {\r\n try {\r\n if (elm) {\r\n const { style: elmStyle } = elm;\r\n if (!isUndefined(elmStyle[prop])) {\r\n elmStyle[prop] = adaptCSSVal(prop, val);\r\n } else {\r\n elmStyle.setProperty(prop, val as string);\r\n }\r\n }\r\n } catch (e) {}\r\n};\r\n\r\n/**\r\n * Gets or sets the passed styles to the passed element.\r\n * @param elm The element to which the styles shall be applied to / be read from.\r\n * @param styles The styles which shall be set or read.\r\n */\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject\r\n): void;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: string\r\n): string;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: Array | string\r\n): { [key: string]: string };\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject | Array | string\r\n): { [key: string]: string } | string | void {\r\n const getSingleStyle = isString(styles);\r\n const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n if (getStyles) {\r\n let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n if (elm) {\r\n const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n getStylesResult = getSingleStyle\r\n ? getCSSVal(elm, computedStyle, styles as string)\r\n : (styles as Array).reduce((result, key) => {\r\n result[key] = getCSSVal(elm, computedStyle, key as string);\r\n return result;\r\n }, getStylesResult);\r\n }\r\n return getStylesResult;\r\n }\r\n each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\n/**\r\n * Hides the passed element (display: none).\r\n * @param elm The element which shall be hidden.\r\n */\r\nexport const hide = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'none' });\r\n};\r\n\r\n/**\r\n * Shows the passed element (display: block).\r\n * @param elm The element which shall be shown.\r\n */\r\nexport const show = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'block' });\r\n};\r\n\r\n/**\r\n * Returns the top right bottom left values of the passed css property.\r\n * @param elm The element of which the values shall be returned.\r\n * @param propertyPrefix The css property prefix. (e.g. \"border\")\r\n * @param propertySuffix The css property suffix. (e.g. \"width\")\r\n */\r\nexport const topRightBottomLeft = (\r\n elm?: HTMLElement | false | null | undefined,\r\n propertyPrefix?: string,\r\n propertySuffix?: string\r\n): TRBL => {\r\n const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : '';\r\n const finalSuffix = propertySuffix ? `-${propertySuffix}` : '';\r\n const top = `${finalPrefix}top${finalSuffix}`;\r\n const right = `${finalPrefix}right${finalSuffix}`;\r\n const bottom = `${finalPrefix}bottom${finalSuffix}`;\r\n const left = `${finalPrefix}left${finalSuffix}`;\r\n const result = style(elm, [top, right, bottom, left]);\r\n return {\r\n t: parseToZeroOrNumber(result[top]),\r\n r: parseToZeroOrNumber(result[right]),\r\n b: parseToZeroOrNumber(result[bottom]),\r\n l: parseToZeroOrNumber(result[left]),\r\n };\r\n};\r\n","export interface CacheOptions {\r\n // initial value of _value.\r\n _initialValue: Value;\r\n // Custom comparison function if shallow compare isn't enough. Returns true if nothing changed.\r\n _equal?: EqualCachePropFunction;\r\n // If true always updates _value and _previous, otherwise they update only when they changed.\r\n _alwaysUpdateValues?: boolean;\r\n}\r\n\r\nexport type CacheValues = [value: T, changed: boolean, previous?: T];\r\n\r\nexport type EqualCachePropFunction = (currentVal: Value, newVal: Value) => boolean;\r\n\r\nexport type CacheUpdater = (current: Value, previous?: Value) => Value;\r\n\r\nexport type UpdateCacheContextual = (newValue: Value, force?: boolean) => CacheValues;\r\n\r\nexport type UpdateCache = (force?: boolean) => CacheValues;\r\n\r\nexport type GetCurrentCache = (force?: boolean) => CacheValues;\r\n\r\nexport type Cache = [UpdateCache, GetCurrentCache];\r\n\r\nexport type CacheContextual = [UpdateCacheContextual, GetCurrentCache];\r\n\r\ntype CreateCache = {\r\n (options: CacheOptions): CacheContextual;\r\n (options: CacheOptions, update: CacheUpdater): Cache;\r\n (options: CacheOptions, update?: CacheUpdater):\r\n | CacheContextual\r\n | Cache;\r\n};\r\n\r\nexport const createCache: CreateCache = (\r\n options: CacheOptions,\r\n update?: CacheUpdater\r\n): CacheContextual | Cache => {\r\n const { _initialValue, _equal, _alwaysUpdateValues } = options;\r\n let _value: Value = _initialValue;\r\n let _previous: Value | undefined;\r\n\r\n const cacheUpdateContextual: UpdateCacheContextual = (newValue, force?) => {\r\n const curr = _value;\r\n\r\n const newVal = newValue;\r\n const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);\r\n\r\n if (changed || _alwaysUpdateValues) {\r\n _value = newVal;\r\n _previous = curr;\r\n }\r\n\r\n return [_value, changed, _previous];\r\n };\r\n const cacheUpdateIsolated: UpdateCache = (force?) =>\r\n cacheUpdateContextual(update!(_value, _previous), force);\r\n\r\n const getCurrentCache: GetCurrentCache = (force?: boolean) => [\r\n _value,\r\n !!force, // changed\r\n _previous,\r\n ];\r\n\r\n return [update ? cacheUpdateIsolated : cacheUpdateContextual, getCurrentCache] as\r\n | CacheContextual\r\n | Cache;\r\n};\r\n","import { PlainObject } from 'typings';\r\n\r\nconst ElementNodeType = Node.ELEMENT_NODE;\r\nconst { toString, hasOwnProperty } = Object.prototype;\r\n\r\nexport const isUndefined = (obj: any): obj is undefined => obj === undefined;\r\n\r\nexport const isNull = (obj: any): obj is null => obj === null;\r\n\r\nexport const type = (obj: any): string =>\r\n isUndefined(obj) || isNull(obj)\r\n ? `${obj}`\r\n : toString\r\n .call(obj)\r\n .replace(/^\\[object (.+)\\]$/, '$1')\r\n .toLowerCase();\r\n\r\nexport const isNumber = (obj: any): obj is number => typeof obj === 'number';\r\n\r\nexport const isString = (obj: any): obj is string => typeof obj === 'string';\r\n\r\nexport const isBoolean = (obj: any): obj is boolean => typeof obj === 'boolean';\r\n\r\nexport const isFunction = (obj: any): obj is (...args: any[]) => any => typeof obj === 'function';\r\n\r\nexport const isArray = (obj: any): obj is Array => Array.isArray(obj);\r\n\r\nexport const isObject = (obj: any): boolean =>\r\n typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport const isArrayLike = (obj: any): obj is ArrayLike => {\r\n const length = !!obj && obj.length;\r\n const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0; // eslint-disable-line eqeqeq\r\n\r\n return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat)\r\n ? length > 0 && isObject(obj)\r\n ? length - 1 in obj\r\n : true\r\n : false;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isPlainObject = (obj: any): obj is PlainObject => {\r\n if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n let key;\r\n const cstr = 'constructor';\r\n const ctor = obj[cstr];\r\n const ctorProto = ctor && ctor.prototype;\r\n const hasOwnConstructor = hasOwnProperty.call(obj, cstr);\r\n const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');\r\n\r\n if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n return false;\r\n }\r\n\r\n /* eslint-disable no-restricted-syntax */\r\n for (key in obj) {\r\n /**/\r\n }\r\n /* eslint-enable */\r\n\r\n return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isHTMLElement = (obj: any): obj is HTMLElement => {\r\n const instanceofObj = HTMLElement;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a Element.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isElement = (obj: any): obj is Element => {\r\n const instanceofObj = Element;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n","import { isArray, isFunction, isPlainObject, isNull } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\n\r\n/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array => (obj ? Object.keys(obj) : []);\r\n\r\ntype AssignDeep = {\r\n (target: T, object1: U): T & U;\r\n (target: T, object1: U, object2: V): T & U & V;\r\n (target: T, object1: U, object2: V, object3: W): T & U & V & W;\r\n (target: T, object1: U, object2: V, object3: W, object4: X): T & U & V & W & X;\r\n (target: T, object1: U, object2: V, object3: W, object4: X, object5: Y): T &\r\n U &\r\n V &\r\n W &\r\n X &\r\n Y;\r\n (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n ): T & U & V & W & X & Y & Z;\r\n};\r\n\r\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport const assignDeep: AssignDeep = (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n): T & U & V & W & X & Y & Z => {\r\n const sources: Array = [object1, object2, object3, object4, object5, object6];\r\n\r\n // Handle case when target is a string or something (possible in deep copy)\r\n if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {\r\n target = {} as T;\r\n }\r\n\r\n each(sources, (source) => {\r\n // Extend the base object\r\n each(keys(source), (key) => {\r\n const copy: any = source[key];\r\n\r\n // Prevent Object.prototype pollution\r\n // Prevent never-ending loop\r\n if (target === copy) {\r\n return true;\r\n }\r\n\r\n const copyIsArray = isArray(copy);\r\n\r\n // Recurse if we're merging plain objects or arrays\r\n if (copy && (isPlainObject(copy) || copyIsArray)) {\r\n const src = target[key];\r\n let clone: any = src;\r\n\r\n // Ensure proper type for the source value\r\n if (copyIsArray && !isArray(src)) {\r\n clone = [];\r\n } else if (!copyIsArray && !isPlainObject(src)) {\r\n clone = {};\r\n }\r\n\r\n // Never move original objects, clone them\r\n target[key] = assignDeep(clone, copy) as any;\r\n } else {\r\n target[key] = copy;\r\n }\r\n });\r\n });\r\n\r\n // Return the modified object\r\n return target as any;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isEmptyObject = (obj: any): boolean => {\r\n /* eslint-disable no-restricted-syntax, guard-for-in */\r\n for (const name in obj) return false;\r\n return true;\r\n /* eslint-enable */\r\n};\r\n","import { from } from 'support/utils/array';\r\nimport { isNull, isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\ntype Attr = {\r\n (elm: HTMLElement | false | null | undefined, attrName: string): string | null;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value: string): void;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value?: string):\r\n | string\r\n | null\r\n | void;\r\n};\r\n\r\ntype GetSetProp = {\r\n (elm: HTMLElement | false | null | undefined): T;\r\n (elm: HTMLElement | false | null | undefined, value: T | false | null): void;\r\n (elm: HTMLElement | false | null | undefined, value?: T | false | null): T | void;\r\n};\r\n\r\nconst getSetProp = (\r\n topLeft: GetSetPropName,\r\n fallback: number | string,\r\n elm: HTMLElement | HTMLInputElement | false | null | undefined,\r\n value?: number | string | false | null\r\n): number | string | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm[topLeft] : fallback;\r\n }\r\n elm && !isNull(value) && value !== false && (elm[topLeft] = value);\r\n};\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport const attr = ((\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value?: string\r\n): string | null | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm.getAttribute(attrName) : null;\r\n }\r\n elm && elm.setAttribute(attrName, value);\r\n}) as Attr;\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and adds or removes the given value from it.\r\n * @param elm The element.\r\n * @param attrName The attributeName to which the value shall be added or removed.\r\n * @param value The value which shall be added or removed.\r\n * @param add True if the value shall be added, false otherwise.\r\n */\r\nexport const attrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string,\r\n add?: boolean\r\n) => {\r\n if (value) {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n currValuesSet[add ? 'add' : 'delete'](value);\r\n\r\n attr(elm, attrName, from(currValuesSet).join(' ').trim());\r\n }\r\n};\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and checks if the given value is in it.\r\n * @param elm The element.\r\n * @param attrName The attributeName from which the content shall be checked.\r\n * @param value The value.\r\n * @returns True if the given attribute has the value in it, false otherwise.\r\n */\r\nexport const hasAttrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n return currValuesSet.has(value);\r\n};\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | false | null | undefined, attrName: string): void => {\r\n elm && elm.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport const scrollLeft = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number | false | null\r\n): number | void => getSetProp('scrollLeft', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport const scrollTop = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number | false | null\r\n): number | void => getSetProp('scrollTop', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport const val = ((\r\n elm: HTMLInputElement | false | null | undefined,\r\n value?: string\r\n): string | void => getSetProp('value', '', elm, value) as string) as GetSetProp;\r\n","import { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Node | Element | Node | false | null | undefined;\r\ntype OutputElementType = Node | Element | null;\r\n\r\nconst elmPrototype = Element.prototype;\r\n\r\n/**\r\n * Find all elements with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst find = (selector: string, elm?: InputElementType): Element[] => {\r\n const arr: Array = [];\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;\r\n};\r\n\r\n/**\r\n * Find the first element with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst findFirst = (selector: string, elm?: InputElementType): OutputElementType => {\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? rootElm.querySelector(selector) : null;\r\n};\r\n\r\n/**\r\n * Determines whether the passed element is matching with the passed selector.\r\n * @param elm The element which has to be compared with the passed selector.\r\n * @param selector The selector which has to be compared with the passed element. Additional selectors: ':visible' and ':hidden'.\r\n */\r\nconst is = (elm: InputElementType, selector: string): boolean => {\r\n if (isElement(elm)) {\r\n /* istanbul ignore next */\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const fn: (...args: any) => boolean = elmPrototype.matches || elmPrototype.msMatchesSelector;\r\n return fn.call(elm, selector);\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Returns the children (no text-nodes or comments) of the passed element which are matching the passed selector. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the children shall be returned.\r\n * @param selector The selector which must match with the children elements.\r\n */\r\nconst children = (elm: InputElementType, selector?: string): ReadonlyArray => {\r\n const childs: Array = [];\r\n\r\n return isElement(elm)\r\n ? push(\r\n childs,\r\n from(elm.children).filter((child) => (selector ? is(child, selector) : child))\r\n )\r\n : childs;\r\n};\r\n\r\n/**\r\n * Returns the childNodes (incl. text-nodes or comments etc.) of the passed element. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the childNodes shall be returned.\r\n */\r\nconst contents = (elm: InputElementType): ReadonlyArray =>\r\n elm ? from(elm.childNodes) : [];\r\n\r\n/**\r\n * Returns the parent element of the passed element, or null if the passed element is null.\r\n * @param elm The element of which the parent element shall be returned.\r\n */\r\nconst parent = (elm: InputElementType): OutputElementType => (elm ? elm.parentElement : null);\r\n\r\nconst closest = (elm: InputElementType, selector: string): OutputElementType => {\r\n if (isElement(elm)) {\r\n const closestFn = elmPrototype.closest;\r\n if (closestFn) {\r\n return closestFn.call(elm, selector);\r\n }\r\n\r\n do {\r\n if (is(elm, selector)) {\r\n return elm as Element;\r\n }\r\n elm = parent(elm);\r\n } while (elm);\r\n }\r\n\r\n return null;\r\n};\r\n\r\n/**\r\n * Determines whether the given element lies between two selectors in the DOM.\r\n * @param elm The element.\r\n * @param highBoundarySelector The high boundary selector.\r\n * @param deepBoundarySelector The deep boundary selector.\r\n */\r\nconst liesBetween = (\r\n elm: InputElementType,\r\n highBoundarySelector: string,\r\n deepBoundarySelector: string\r\n): boolean => {\r\n const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);\r\n const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);\r\n\r\n return closestHighBoundaryElm && closestDeepBoundaryElm\r\n ? closestHighBoundaryElm === elm ||\r\n closestDeepBoundaryElm === elm ||\r\n closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm\r\n : false;\r\n};\r\n\r\nexport { find, findFirst, is, children, contents, parent, liesBetween, closest };\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike | Node | false | null | undefined;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (\r\n parentElm: Node | false | null | undefined,\r\n preferredAnchor: Node | false | null | undefined,\r\n insertedElms: NodeCollection\r\n): void => {\r\n if (insertedElms) {\r\n let anchor: Node | false | null | undefined = preferredAnchor;\r\n let fragment: DocumentFragment | Node | null | undefined;\r\n\r\n // parent must be defined\r\n if (parentElm) {\r\n if (isArrayLike(insertedElms)) {\r\n fragment = document.createDocumentFragment();\r\n\r\n // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n each(insertedElms, (insertedElm) => {\r\n if (insertedElm === anchor) {\r\n anchor = insertedElm.previousSibling;\r\n }\r\n fragment!.appendChild(insertedElm);\r\n });\r\n } else {\r\n fragment = insertedElms;\r\n }\r\n\r\n // if the preferred anchor isn't null set it to a valid anchor\r\n if (preferredAnchor) {\r\n if (!anchor) {\r\n anchor = parentElm.firstChild;\r\n } else if (anchor !== preferredAnchor) {\r\n anchor = anchor.nextSibling;\r\n }\r\n }\r\n\r\n parentElm.insertBefore(fragment, anchor || null);\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n if (isArrayLike(nodes)) {\r\n each(from(nodes), (e) => removeElements(e));\r\n } else if (nodes) {\r\n const parentElm = parent(nodes);\r\n if (parentElm) {\r\n parentElm.removeChild(nodes);\r\n }\r\n }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { attr } from 'support/dom/attribute';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\n/**\r\n * Creates a div DOM node.\r\n */\r\nexport const createDiv = (classNames?: string): HTMLDivElement => {\r\n const div = document.createElement('div');\r\n if (classNames) {\r\n attr(div, 'class', classNames);\r\n }\r\n return div;\r\n};\r\n\r\n/**\r\n * Creates DOM nodes modeled after the passed html string and returns the root dom nodes as a array.\r\n * @param html The html string after which the DOM nodes shall be created.\r\n */\r\nexport const createDOM = (html: string): ReadonlyArray => {\r\n const createdDiv = createDiv();\r\n createdDiv.innerHTML = html.trim();\r\n\r\n return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { hasOwnProperty } from 'support/utils/object';\r\nimport { createDiv } from 'support/dom/create';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray = [\r\n 'WebKit',\r\n 'Moz',\r\n 'O',\r\n 'MS',\r\n 'webkit',\r\n 'moz',\r\n 'o',\r\n 'ms',\r\n];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without it, or and empty string if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string => {\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const uppercasedName: string = firstLetterToUpper(name);\r\n const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n each(cssPrefixes, (prefix: string) => {\r\n const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n const resultPossibilities: Array = [\r\n name, // transition\r\n prefix + name, // -webkit-transition\r\n prefixWithoutDashes + uppercasedName, // webkitTransition\r\n firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n ];\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return !(result = resultPossibilities.find(\r\n (resultPossibility: string) => elmStyle[resultPossibility] !== undefined\r\n ));\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported without it, or an empty string if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string => {\r\n const name = `${property} ${values}`;\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n const possbleValues: Array = values.split(' ');\r\n const preparedSuffix: string = suffix || '';\r\n const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n each(possbleValues, (possibleValue: string) => {\r\n each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n const prop = prefix + possibleValue;\r\n dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n if (dummyStyle.length) {\r\n result = prop;\r\n return false;\r\n }\r\n });\r\n return !result;\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): T | undefined => {\r\n let result: any = jsCache[name] || window[name];\r\n\r\n if (hasOwnProperty(jsCache, name)) {\r\n return result;\r\n }\r\n\r\n each(jsPrefixes, (prefix: string) => {\r\n result = result || window[prefix + firstLetterToUpper(name)];\r\n return !result;\r\n });\r\n\r\n jsCache[name] = result;\r\n return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const MutationObserverConstructor = jsAPI('MutationObserver');\r\nexport const IntersectionObserverConstructor =\r\n jsAPI('IntersectionObserver');\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\r\nexport const setT = window.setTimeout as (handler: TimerHandler, timeout?: number) => number;\r\nexport const clearT = window.clearTimeout as (id?: number) => void;\r\n","import { isString } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { keys } from 'support/utils/object';\r\n\r\ntype ClassContainingElement = Node | Element | false | null | undefined;\r\ntype ClassName = string | false | null | undefined;\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: ClassContainingElement,\r\n className: ClassName,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): boolean => {\r\n const classList = elm && (elm as Element).classList;\r\n let clazz: string;\r\n let i = 0;\r\n let result = false;\r\n\r\n if (classList && className && isString(className)) {\r\n const classes: Array = className.match(rnothtmlwhite) || [];\r\n result = classes.length > 0;\r\n while ((clazz = classes[i++])) {\r\n result = !!action(classList, clazz) && result;\r\n }\r\n }\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: ClassContainingElement, className: ClassName): boolean =>\r\n classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: ClassContainingElement, className: ClassName): void => {\r\n classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n * @returns A function which removes the added class name(s).\r\n */\r\nexport const addClass = (elm: ClassContainingElement, className: ClassName): (() => void) => {\r\n classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n return removeClass.bind(0, elm, className);\r\n};\r\n\r\n/**\r\n * Takes two className strings, compares them and returns the difference as array.\r\n * @param classNameA ClassName A.\r\n * @param classNameB ClassName B.\r\n */\r\nexport const diffClass = (classNameA: ClassName, classNameB: ClassName) => {\r\n const classNameASplit = classNameA && classNameA.split(' ');\r\n const classNameBSplit = classNameB && classNameB.split(' ');\r\n const tempObj = {};\r\n\r\n each(classNameASplit, (className) => {\r\n tempObj[className] = 1;\r\n });\r\n each(classNameBSplit, (className) => {\r\n if (tempObj[className]) {\r\n delete tempObj[className];\r\n } else {\r\n tempObj[className] = 1;\r\n }\r\n });\r\n\r\n return keys(tempObj);\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { WH, XY, TRBL } from 'support/dom';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Compares two objects and returns true if all values of the passed prop names are identical, false otherwise or if one of the two object is falsy.\r\n * @param a Object a.\r\n * @param b Object b.\r\n * @param props The props which shall be compared.\r\n */\r\nexport const equal = (\r\n a: T | undefined,\r\n b: T | undefined,\r\n props: Array,\r\n propMutation?: ((value: any) => any) | null | false\r\n): boolean => {\r\n if (a && b) {\r\n let result = true;\r\n each(props, (prop) => {\r\n const compareA = propMutation ? propMutation(a[prop]) : a[prop];\r\n const compareB = propMutation ? propMutation(b[prop]) : b[prop];\r\n if (compareA !== compareB) {\r\n result = false;\r\n }\r\n });\r\n return result;\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalWH = (a?: WH, b?: WH) => equal>(a, b, ['w', 'h']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalXY = (a?: XY, b?: XY) => equal>(a, b, ['x', 'y']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalTRBL = (a?: TRBL, b?: TRBL) => equal(a, b, ['t', 'r', 'b', 'l']);\r\n\r\n/**\r\n * Compares two DOM Rects for their equality of their width and height properties\r\n * Also returns false if one of the DOM Rects is undefined or null.\r\n * @param a DOM Rect a.\r\n * @param b DOM Rect b.\r\n * @param round Whether the values should be rounded.\r\n */\r\nexport const equalBCRWH = (a?: DOMRect, b?: DOMRect, round?: boolean) =>\r\n equal(a, b, ['width', 'height'], round && ((value) => Math.round(value)));\r\n","import { isNumber, isFunction } from 'support/utils/types';\r\nimport { from } from 'support/utils/array';\r\nimport { rAF, cAF, setT, clearT } from 'support/compatibility/apis';\r\n\r\ntype DebounceTiming = number | false | null | undefined;\r\n\r\nexport interface DebounceOptions any> {\r\n /**\r\n * The timeout for debouncing. If null, no debounce is applied.\r\n */\r\n _timeout?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * A maximum amount of ms. before the function will be called even with debounce.\r\n */\r\n _maxDelay?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * Function which merges parameters for each canceled debounce.\r\n * If parameters can't be merged the function will return null, otherwise it returns the merged parameters.\r\n */\r\n _mergeParams?: (\r\n prev: Parameters,\r\n curr: Parameters\r\n ) => Parameters | false | null | undefined;\r\n}\r\n\r\nexport interface Debounced any> {\r\n (...args: Parameters): ReturnType;\r\n _flush(): void;\r\n}\r\n\r\nexport const noop = () => {}; // eslint-disable-line\r\n\r\n/**\r\n * Debounces the given function either with a timeout or a animation frame.\r\n * @param functionToDebounce The function which shall be debounced.\r\n * @param options Options for debouncing.\r\n */\r\nexport const debounce = any>(\r\n functionToDebounce: FunctionToDebounce,\r\n options?: DebounceOptions\r\n): Debounced => {\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n let clear: () => void = noop;\r\n const { _timeout, _maxDelay, _mergeParams } = options || {};\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clear();\r\n clearT(maxTimeoutId);\r\n maxTimeoutId = prevArguments = undefined;\r\n clear = noop;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n functionToDebounce.apply(this, args);\r\n };\r\n\r\n const mergeParms = (\r\n curr: Parameters\r\n ): Parameters | false | null | undefined =>\r\n _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;\r\n\r\n const flush = () => {\r\n /* istanbul ignore next */\r\n if (clear !== noop) {\r\n invokeFunctionToDebounce(mergeParms(latestArguments!) || latestArguments!);\r\n }\r\n };\r\n\r\n const debouncedFn = function () {\r\n // eslint-disable-next-line prefer-rest-params\r\n const args: Parameters = from(arguments) as Parameters;\r\n const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;\r\n const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;\r\n\r\n if (hasTimeout) {\r\n const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;\r\n const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;\r\n const setTimeoutFn = finalTimeout > 0 ? setT : rAF!;\r\n const clearTimeoutFn = finalTimeout > 0 ? clearT : cAF!;\r\n const mergeParamsResult = mergeParms(args);\r\n const invokedArgs = mergeParamsResult || args;\r\n const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);\r\n\r\n // if (!mergeParamsResult) {\r\n // invokeFunctionToDebounce(prevArguments || args);\r\n // }\r\n\r\n clear();\r\n // @ts-ignore\r\n const timeoutId = setTimeoutFn(boundInvoke, finalTimeout);\r\n clear = () => clearTimeoutFn(timeoutId);\r\n\r\n if (hasMaxWait && !maxTimeoutId) {\r\n maxTimeoutId = setT(flush, finalMaxWait as number);\r\n }\r\n\r\n prevArguments = latestArguments = invokedArgs;\r\n } else {\r\n invokeFunctionToDebounce(args);\r\n }\r\n };\r\n debouncedFn._flush = flush;\r\n\r\n return debouncedFn as Debounced;\r\n};\r\n","import { style } from 'support/dom/style';\r\n\r\nexport interface WH {\r\n w: T;\r\n h: T;\r\n}\r\n\r\nconst elementHasDimensions = (elm: HTMLElement): boolean =>\r\n !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\nconst zeroObj: WH = {\r\n w: 0,\r\n h: 0,\r\n};\r\n\r\n/**\r\n * Returns the window inner- width and height.\r\n */\r\nexport const windowSize = (): WH => ({\r\n w: window.innerWidth,\r\n h: window.innerHeight,\r\n});\r\n\r\n/**\r\n * Returns the scroll- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the scroll- width and height shall be returned.\r\n */\r\nexport const offsetSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.offsetWidth,\r\n h: elm.offsetHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const clientSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.clientWidth,\r\n h: elm.clientHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const scrollSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.scrollWidth,\r\n h: elm.scrollHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the fractional- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the fractional- width and height shall be returned.\r\n */\r\nexport const fractionalSize = (elm: HTMLElement | false | null | undefined): WH => {\r\n const cssHeight = parseFloat(style(elm, 'height')) || 0;\r\n const cssWidth = parseFloat(style(elm, 'height')) || 0;\r\n return {\r\n w: cssWidth - Math.round(cssWidth),\r\n h: cssHeight - Math.round(cssHeight),\r\n };\r\n};\r\n\r\n/**\r\n * Returns the BoundingClientRect of the passed element.\r\n * @param elm The element of which the BoundingClientRect shall be returned.\r\n */\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n\r\n/**\r\n * Determines whether the passed element has any dimensions.\r\n * @param elm The element.\r\n */\r\nexport const hasDimensions = (elm: HTMLElement | false | null | undefined): boolean =>\r\n elm ? elementHasDimensions(elm as HTMLElement) : false;\r\n","import { isUndefined } from 'support/utils/types';\r\nimport { each, push, runEachAndClear } from 'support/utils/array';\r\n\r\nlet passiveEventsSupport: boolean;\r\nconst supportPassiveEvents = (): boolean => {\r\n if (isUndefined(passiveEventsSupport)) {\r\n passiveEventsSupport = false;\r\n try {\r\n /* eslint-disable */\r\n // @ts-ignore\r\n window.addEventListener(\r\n 'test',\r\n null,\r\n Object.defineProperty({}, 'passive', {\r\n get() {\r\n passiveEventsSupport = true;\r\n },\r\n })\r\n );\r\n /* eslint-enable */\r\n } catch (e) {}\r\n }\r\n return passiveEventsSupport;\r\n};\r\nconst splitEventNames = (eventNames: string) => eventNames.split(' ');\r\n\r\nexport interface OnOptions {\r\n _capture?: boolean;\r\n _passive?: boolean;\r\n _once?: boolean;\r\n}\r\n\r\n/**\r\n * Removes the passed event listener for the passed events with the passed options.\r\n * @param target The element from which the listener shall be removed.\r\n * @param eventNames The eventsnames for which the listener shall be removed.\r\n * @param listener The listener which shall be removed.\r\n * @param capture The options of the removed listener.\r\n */\r\nexport const off = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n capture?: boolean\r\n): void => {\r\n each(splitEventNames(eventNames), (eventName) => {\r\n target.removeEventListener(eventName, listener as EventListener, capture);\r\n });\r\n};\r\n\r\n/**\r\n * Adds the passed event listener for the passed eventnames with the passed options.\r\n * @param target The element to which the listener shall be added.\r\n * @param eventNames The eventsnames for which the listener shall be called.\r\n * @param listener The listener which is called on the eventnames.\r\n * @param options The options of the added listener.\r\n */\r\nexport const on = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n options?: OnOptions\r\n): (() => void) => {\r\n const doSupportPassiveEvents = supportPassiveEvents();\r\n const passive = (doSupportPassiveEvents && options && options._passive) ?? doSupportPassiveEvents;\r\n const capture = (options && options._capture) || false;\r\n const once = (options && options._once) || false;\r\n const offListeners: (() => void)[] = [];\r\n const nativeOptions: AddEventListenerOptions | boolean = doSupportPassiveEvents\r\n ? {\r\n passive,\r\n capture,\r\n }\r\n : capture;\r\n\r\n each(splitEventNames(eventNames), (eventName) => {\r\n const finalListener = (\r\n once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener\r\n ) as EventListener;\r\n\r\n push(offListeners, off.bind(null, target, eventName, finalListener, capture));\r\n target.addEventListener(eventName, finalListener, nativeOptions);\r\n });\r\n\r\n return runEachAndClear.bind(0, offListeners);\r\n};\r\n\r\n/**\r\n * Shorthand for the stopPropagation event Method.\r\n * @param evt The event of which the stopPropagation method shall be called.\r\n */\r\nexport const stopPropagation = (evt: Event): void => evt.stopPropagation();\r\n\r\n/**\r\n * Shorthand for the preventDefault event Method.\r\n * @param evt The event of which the preventDefault method shall be called.\r\n */\r\nexport const preventDefault = (evt: Event): void => evt.preventDefault();\r\n\r\n/**\r\n * Shorthand for the stopPropagation and preventDefault event Method.\r\n * @param evt The event of which the stopPropagation and preventDefault methods shall be called.\r\n */\r\nexport const stopAndPrevent = (evt: Event): void =>\r\n (stopPropagation(evt) as undefined) || (preventDefault(evt) as undefined);\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\n\r\nexport interface XY {\r\n x: T;\r\n y: T;\r\n}\r\n\r\nconst zeroObj: XY = {\r\n x: 0,\r\n y: 0,\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element relative to the document. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const absoluteCoordinates = (elm: HTMLElement | null | undefined): XY => {\r\n const rect = elm ? getBoundingClientRect(elm) : 0;\r\n return rect\r\n ? {\r\n x: rect.left + window.pageYOffset,\r\n y: rect.top + window.pageXOffset,\r\n }\r\n : zeroObj;\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const offsetCoordinates = (elm: HTMLElement | null | undefined): XY =>\r\n elm\r\n ? {\r\n x: elm.offsetLeft,\r\n y: elm.offsetTop,\r\n }\r\n : zeroObj;\r\n","import { isArray } from 'support/utils/types';\r\nimport { keys } from 'support/utils/object';\r\nimport { each, from, isEmptyArray } from 'support/utils/array';\r\n\r\nexport type EventListener<\r\n EventMap extends Record,\r\n Name extends keyof EventMap = keyof EventMap\r\n> = (...args: EventMap[Name]) => void;\r\n\r\nexport type InitialEventListeners> = {\r\n [K in keyof EventMap]?: EventListener | EventListener[];\r\n};\r\n\r\nconst manageListener = >(\r\n callback: (listener?: EventListener) => void,\r\n listener?: EventListener | EventListener[]\r\n) => {\r\n each(isArray(listener) ? listener : [listener], callback);\r\n};\r\n\r\nexport const createEventListenerHub = >(\r\n initialEventListeners?: InitialEventListeners\r\n) => {\r\n type EventListener = (\r\n ...args: EventMap[Name]\r\n ) => void;\r\n type RemoveEvent = {\r\n (name?: Name, listener?: EventListener): void;\r\n (name?: Name, listener?: EventListener[]): void;\r\n (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void;\r\n };\r\n type AddEvent = {\r\n (name: Name, listener: EventListener): () => void;\r\n (name: Name, listener: EventListener[]): () => void;\r\n (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): () => void;\r\n };\r\n type TriggerEvent = {\r\n (name: Name, args?: EventMap[Name]): void;\r\n };\r\n\r\n const events = new Map>();\r\n\r\n const removeEvent: RemoveEvent = (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void => {\r\n if (name) {\r\n const eventSet = events.get(name);\r\n manageListener((currListener) => {\r\n if (eventSet) {\r\n eventSet[currListener ? 'delete' : 'clear'](currListener!);\r\n }\r\n }, listener as any);\r\n } else {\r\n events.forEach((eventSet) => {\r\n eventSet.clear();\r\n });\r\n events.clear();\r\n }\r\n };\r\n\r\n const addEvent: AddEvent = (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): (() => void) => {\r\n const eventSet = events.get(name) || new Set();\r\n events.set(name, eventSet);\r\n\r\n manageListener((currListener) => {\r\n currListener && eventSet.add(currListener);\r\n }, listener as any);\r\n\r\n return removeEvent.bind(0, name as any, listener as any);\r\n };\r\n\r\n const triggerEvent: TriggerEvent = (\r\n name: Name,\r\n args?: EventMap[Name]\r\n ): void => {\r\n const eventSet = events.get(name);\r\n\r\n each(from(eventSet), (event) => {\r\n if (args && !isEmptyArray(args)) {\r\n (event as (...args: EventMap[keyof EventMap]) => void).apply(0, args as any);\r\n } else {\r\n (event as () => void)();\r\n }\r\n });\r\n };\r\n\r\n const initialListenerKeys = keys(initialEventListeners) as Extract[];\r\n each(initialListenerKeys, (key) => {\r\n addEvent(key, initialEventListeners![key] as any);\r\n });\r\n\r\n return [addEvent, removeEvent, triggerEvent] as [AddEvent, RemoveEvent, TriggerEvent];\r\n};\r\n","import { assignDeep, hasOwnProperty } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { PartialOptions } from 'typings';\r\n\r\nexport type SetupElements> = [elements: T, destroy: () => void];\r\n\r\nexport type SetupUpdate = (\r\n changedOptions: PartialOptions,\r\n force: boolean,\r\n ...args: T\r\n) => void;\r\n\r\nexport type SetupUpdateCheckOption = (path: string) => [value: T, changed: boolean];\r\n\r\nexport type SetupUpdateSegment> = (\r\n updateHints: Hints,\r\n checkOption: SetupUpdateCheckOption,\r\n force: boolean\r\n) => Partial | void;\r\n\r\nexport type SetupState> = [\r\n get: () => T,\r\n set: (newState: Partial) => void\r\n];\r\n\r\nexport type Setup<\r\n DynamicState,\r\n StaticState extends Record = Record,\r\n A extends any[] = []\r\n> = [update: SetupUpdate, state: (() => DynamicState) & StaticState, destroy: () => void];\r\n\r\nconst getPropByPath = (obj: any, path: string): T =>\r\n obj\r\n ? path.split('.').reduce((o, prop) => (o && hasOwnProperty(o, prop) ? o[prop] : undefined), obj)\r\n : undefined;\r\n\r\nexport const createOptionCheck =\r\n (\r\n options: ReadonlyOSOptions,\r\n changedOptions: PartialOptions,\r\n force?: boolean\r\n ): SetupUpdateCheckOption =>\r\n (path: string) =>\r\n [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== undefined];\r\n\r\nexport const createState = (initialState: S): SetupState => {\r\n let state: S = initialState;\r\n return [\r\n () => state,\r\n (newState: Partial) => {\r\n state = assignDeep({}, state, newState);\r\n },\r\n ];\r\n};\r\n","export const classNameEnvironment = 'os-environment';\r\nexport const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;\r\nexport const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;\r\n\r\nexport const dataAttributeHost = 'data-overlayscrollbars';\r\nexport const dataAttributeHostOverflowX = `${dataAttributeHost}-overflow-x`;\r\nexport const dataAttributeHostOverflowY = `${dataAttributeHost}-overflow-y`;\r\nexport const dataValueHostOverflowVisible = 'overflowVisible';\r\nexport const dataValueHostViewportScrollbarStyling = 'viewportStyled';\r\nexport const classNamePadding = 'os-padding';\r\nexport const classNameViewport = 'os-viewport';\r\nexport const classNameViewportArrange = `${classNameViewport}-arrange`;\r\nexport const classNameContent = 'os-content';\r\nexport const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;\r\nexport const classNameOverflowVisible = `os-overflow-visible`;\r\n\r\nexport const classNameSizeObserver = 'os-size-observer';\r\nexport const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;\r\nexport const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;\r\nexport const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;\r\nexport const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;\r\nexport const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;\r\n\r\nexport const classNameTrinsicObserver = 'os-trinsic-observer';\r\n\r\nexport const classNameScrollbar = 'os-scrollbar';\r\nexport const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;\r\nexport const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;\r\nexport const classNameScrollbarTrack = 'os-scrollbar-track';\r\nexport const classNameScrollbarHandle = 'os-scrollbar-handle';\r\nexport const classNamesScrollbarVisible = `${classNameScrollbar}-visible`;\r\nexport const classNamesScrollbarCornerless = `${classNameScrollbar}-cornerless`;\r\nexport const classNamesScrollbarTransitionless = `${classNameScrollbar}-transitionless`;\r\nexport const classNamesScrollbarInteraction = `${classNameScrollbar}-interaction`;\r\nexport const classNamesScrollbarAutoHidden = `${classNameScrollbar}-auto-hidden`;\r\n","import { assignDeep, each, isObject, keys, isArray, hasOwnProperty, isFunction } from 'support';\r\nimport { PartialOptions, ReadonlyOptions } from 'typings';\r\n\r\nconst opsStringify = (value: any) =>\r\n JSON.stringify(value, (_, val) => {\r\n if (isFunction(val)) {\r\n throw new Error();\r\n }\r\n return val;\r\n });\r\n\r\nexport type ResizeBehavior = 'none' | 'both' | 'horizontal' | 'vertical';\r\n\r\nexport type OverflowBehavior =\r\n | 'hidden'\r\n | 'scroll'\r\n | 'visible'\r\n | 'visible-hidden'\r\n | 'visible-scroll';\r\n\r\nexport type ScrollbarVisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type ScrollbarAutoHideBehavior = 'never' | 'scroll' | 'leave' | 'move';\r\n\r\nexport type ScrollBehavior = 'always' | 'ifneeded' | 'never';\r\n\r\nexport type BasicEventCallback = (this: any) => void;\r\n\r\nexport type ScrollEventCallback = (this: any, args?: UIEvent) => void;\r\n\r\nexport type OverflowChangedCallback = (this: any, args?: OverflowChangedArgs) => void;\r\n\r\nexport type OverflowAmountChangedCallback = (this: any, args?: OverflowAmountChangedArgs) => void;\r\n\r\nexport type DirectionChangedCallback = (this: any, args?: DirectionChangedArgs) => void;\r\n\r\nexport type SizeChangedCallback = (this: any, args?: SizeChangedArgs) => void;\r\n\r\nexport type UpdatedCallback = (this: any, args?: UpdatedArgs) => void;\r\n\r\nexport interface Options {\r\n paddingAbsolute: boolean;\r\n updating: {\r\n elementEvents: Array<[elementSelector: string, eventNames: string]> | null;\r\n attributes: string[] | null;\r\n debounce: [timeout: number, maxWait: number] | number | null; // (if tuple: [timeout: 0, maxWait: 33], if number: [timeout: number, maxWait: false]) debounce for content Changes\r\n ignoreMutation: ((mutation: MutationRecord) => any) | null;\r\n };\r\n overflow: {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n };\r\n scrollbars: {\r\n theme: string | null;\r\n visibility: ScrollbarVisibilityBehavior;\r\n autoHide: ScrollbarAutoHideBehavior;\r\n autoHideDelay: number;\r\n dragScroll: boolean;\r\n clickScroll: boolean;\r\n touch: boolean;\r\n };\r\n nativeScrollbarsOverlaid: {\r\n show: boolean;\r\n initialize: boolean;\r\n };\r\n}\r\n\r\nexport type ReadonlyOSOptions = ReadonlyOptions;\r\n\r\nexport interface OverflowChangedArgs {\r\n x: boolean;\r\n y: boolean;\r\n xScrollable: boolean;\r\n yScrollable: boolean;\r\n clipped: boolean;\r\n}\r\n\r\nexport interface OverflowAmountChangedArgs {\r\n x: number;\r\n y: number;\r\n}\r\n\r\nexport interface DirectionChangedArgs {\r\n isRTL: number;\r\n dir: string;\r\n}\r\n\r\nexport interface SizeChangedArgs {\r\n width: number;\r\n height: number;\r\n}\r\n\r\nexport interface UpdatedArgs {\r\n forced: boolean;\r\n}\r\n\r\nexport const defaultOptions: Options = {\r\n // resize: 'none', // none || both || horizontal || vertical || n || b || h || v\r\n paddingAbsolute: false, // true || false\r\n updating: {\r\n elementEvents: [['img', 'load']], // array of tuples || null\r\n debounce: [0, 33], // number || number array || null\r\n attributes: null, // string array || null\r\n ignoreMutation: null, // () => any || null\r\n },\r\n overflow: {\r\n x: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n y: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n },\r\n nativeScrollbarsOverlaid: {\r\n show: false, // true || false\r\n initialize: false, // true || false\r\n },\r\n scrollbars: {\r\n theme: 'os-theme-dark',\r\n visibility: 'auto', // visible || hidden || auto || v || h || a\r\n autoHide: 'never', // never || scroll || leave || move || n || s || l || m\r\n autoHideDelay: 800, // number\r\n dragScroll: true, // true || false\r\n clickScroll: false, // true || false\r\n touch: true, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: false, // true || false\r\n dynHeight: false, // true || false\r\n inheritedAttrs: ['style', 'class'], // string || array || null\r\n },\r\n */\r\n};\r\n\r\nexport const getOptionsDiff = (\r\n currOptions: T,\r\n newOptions: PartialOptions\r\n): PartialOptions => {\r\n const diff: PartialOptions = {};\r\n const optionsKeys = keys(newOptions).concat(keys(currOptions));\r\n\r\n each(optionsKeys, (optionKey) => {\r\n const currOptionValue = currOptions[optionKey];\r\n const newOptionValue = newOptions[optionKey];\r\n\r\n if (isObject(currOptionValue) && isObject(newOptionValue)) {\r\n assignDeep((diff[optionKey] = {}), getOptionsDiff(currOptionValue, newOptionValue));\r\n } else if (hasOwnProperty(newOptions, optionKey) && newOptionValue !== currOptionValue) {\r\n let isDiff = true;\r\n\r\n if (isArray(currOptionValue) || isArray(newOptionValue)) {\r\n try {\r\n if (opsStringify(currOptionValue) === opsStringify(newOptionValue)) {\r\n isDiff = false;\r\n }\r\n } catch {}\r\n }\r\n\r\n if (isDiff) {\r\n diff[optionKey] = newOptionValue;\r\n }\r\n }\r\n });\r\n\r\n return diff;\r\n};\r\n","import { assignDeep, each, isArray, keys } from 'support';\r\nimport { OverlayScrollbars, OverlayScrollbarsStatic } from 'overlayscrollbars';\r\n\r\nexport type PluginInstance =\r\n | Record\r\n | ((staticObj: OverlayScrollbarsStatic, instanceObj: OverlayScrollbars) => void);\r\nexport type Plugin = {\r\n [pluginName: string]: T;\r\n};\r\n\r\nconst pluginRegistry: Record = {};\r\n\r\nexport const getPlugins = () => assignDeep({}, pluginRegistry);\r\n\r\nexport const addPlugin = (addedPlugin: Plugin | Plugin[]) => {\r\n each((isArray(addedPlugin) ? addedPlugin : [addedPlugin]) as Plugin[], (plugin) => {\r\n each(keys(plugin), (pluginName) => {\r\n pluginRegistry[pluginName] = plugin[pluginName];\r\n });\r\n });\r\n};\r\n","function _extends() {\n module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","import { each, hasOwnProperty, keys, push, isEmptyObject } from 'support/utils';\r\nimport { type, isArray, isUndefined, isPlainObject, isString } from 'support/utils/types';\r\nimport { PlainObject, PartialOptions } from 'typings';\r\n\r\nexport type OptionsObjectType = Record;\r\nexport type OptionsFunctionType = (this: any, ...args: any[]) => any;\r\nexport type OptionsTemplateType = ExtractPropsKey<\r\n OptionsTemplateTypeMap,\r\n T\r\n>;\r\nexport type OptionsTemplateTypes = keyof OptionsTemplateTypeMap;\r\nexport type OptionsTemplateNativeTypes = OptionsTemplateTypeMap[keyof OptionsTemplateTypeMap];\r\n\r\nexport type OptionsTemplateValue = T extends string\r\n ? string extends T\r\n ? OptionsTemplateValueNonEnum\r\n : string\r\n : OptionsTemplateValueNonEnum;\r\n\r\nexport type OptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsTemplateValue\r\n : never;\r\n};\r\n\r\nexport type OptionsValidationResult = [\r\n PartialOptions, // validated\r\n Record // foreign\r\n];\r\n\r\ntype OptionsTemplateTypeMap = {\r\n __TPL_boolean_TYPE__: boolean;\r\n __TPL_number_TYPE__: number;\r\n __TPL_string_TYPE__: string;\r\n __TPL_array_TYPE__: Array | ReadonlyArray;\r\n __TPL_function_TYPE__: OptionsFunctionType;\r\n __TPL_null_TYPE__: null;\r\n __TPL_object_TYPE__: OptionsObjectType;\r\n};\r\n\r\ntype OptionsTemplateValueNonEnum =\r\n | OptionsTemplateType\r\n | [OptionsTemplateType, ...Array];\r\n\r\ntype ExtractPropsKey = {\r\n [P in keyof T]: TProps extends T[P] ? P : never;\r\n}[keyof T];\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n readonly boolean: OptionsTemplateType;\r\n readonly number: OptionsTemplateType;\r\n readonly string: OptionsTemplateType;\r\n readonly array: OptionsTemplateType>;\r\n readonly object: OptionsTemplateType;\r\n readonly function: OptionsTemplateType;\r\n readonly null: OptionsTemplateType;\r\n};\r\n\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = {\r\n boolean: '__TPL_boolean_TYPE__',\r\n number: '__TPL_number_TYPE__',\r\n string: '__TPL_string_TYPE__',\r\n array: '__TPL_array_TYPE__',\r\n object: '__TPL_object_TYPE__',\r\n function: '__TPL_function_TYPE__',\r\n null: '__TPL_null_TYPE__',\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean,\r\n propPath?: string\r\n): OptionsValidationResult => {\r\n const validatedOptions: PartialOptions = {};\r\n const optionsCopy: PartialOptions = { ...options };\r\n const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n each(props, (prop: Extract) => {\r\n const optionsValue: any = options[prop];\r\n const templateValue: PlainObject | string | OptionsTemplateTypes | Array =\r\n template[prop];\r\n const templateIsComplex = isPlainObject(templateValue);\r\n const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n if (templateIsComplex && isPlainObject(optionsValue)) {\r\n const [validated, foreign] = validateRecursive(\r\n templateValue as T,\r\n optionsValue,\r\n doWriteErrors,\r\n propPrefix + prop\r\n );\r\n validatedOptions[prop] = validated as any;\r\n optionsCopy[prop] = foreign as any;\r\n\r\n each([optionsCopy, validatedOptions], (value) => {\r\n if (isEmptyObject(value[prop])) {\r\n delete value[prop];\r\n }\r\n });\r\n } else if (!templateIsComplex) {\r\n let isValid = false;\r\n const errorEnumStrings: Array = [];\r\n const errorPossibleTypes: Array = [];\r\n const optionsValueType = type(optionsValue);\r\n const templateValueArr: Array = !isArray(templateValue)\r\n ? [templateValue as string | OptionsTemplateTypes]\r\n : (templateValue as Array);\r\n\r\n each(templateValueArr, (currTemplateType) => {\r\n // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n let typeString: string | undefined;\r\n each(optionsTemplateTypes, (value: string, key: string) => {\r\n if (value === currTemplateType) {\r\n typeString = key;\r\n }\r\n });\r\n const isEnumString = isUndefined(typeString);\r\n if (isEnumString && isString(optionsValue)) {\r\n // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n const enumStringSplit = currTemplateType.split(' ');\r\n isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n // build error message\r\n push(errorEnumStrings, enumStringSplit);\r\n } else {\r\n isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n }\r\n\r\n // build error message\r\n push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString!);\r\n\r\n // continue if invalid, break if valid\r\n return !isValid;\r\n });\r\n\r\n if (isValid) {\r\n validatedOptions[prop] = optionsValue;\r\n } else if (doWriteErrors) {\r\n console.warn(\r\n `${\r\n `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n }${\r\n errorEnumStrings.length > 0\r\n ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].`\r\n : ''\r\n }`\r\n );\r\n }\r\n\r\n delete optionsCopy[prop];\r\n }\r\n });\r\n\r\n return [validatedOptions, optionsCopy]; // optionsCopy equals now to foreign options\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a tuple which looks like:\r\n * [\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * ]\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validateOptions = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean\r\n): OptionsValidationResult => validateRecursive(template, options, doWriteErrors);\r\n\r\nexport { validateOptions, optionsTemplateTypes };\r\n","import {\r\n Options,\r\n OverflowBehavior,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport {\r\n validateOptions,\r\n OptionsTemplate,\r\n OptionsTemplateValue,\r\n optionsTemplateTypes as oTypes,\r\n} from 'plugins/optionsValidationPlugin/validation';\r\nimport type { PartialOptions } from 'typings';\r\nimport type { Plugin } from 'plugins';\r\n\r\nconst numberAllowedValues: OptionsTemplateValue = oTypes.number;\r\nconst booleanAllowedValues: OptionsTemplateValue = oTypes.boolean;\r\nconst arrayNullValues: OptionsTemplateValue | null> = [oTypes.array, oTypes.null];\r\nconst overflowAllowedValues: OptionsTemplateValue =\r\n 'hidden scroll visible visible-hidden';\r\nconst scrollbarsVisibilityAllowedValues: OptionsTemplateValue =\r\n 'visible hidden auto';\r\nconst scrollbarsAutoHideAllowedValues: OptionsTemplateValue =\r\n 'never scroll leavemove';\r\n\r\nconst optionsTemplate: OptionsTemplate = {\r\n // resize: resizeAllowedValues, // none || both || horizontal || vertical || n || b ||\r\n paddingAbsolute: booleanAllowedValues, // true || false\r\n updating: {\r\n elementEvents: arrayNullValues, // array of tuples || null\r\n attributes: arrayNullValues,\r\n debounce: [oTypes.number, oTypes.array, oTypes.null], // number || number array || null\r\n ignoreMutation: [oTypes.function, oTypes.null], // function || null\r\n },\r\n overflow: {\r\n x: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n y: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n },\r\n scrollbars: {\r\n theme: [oTypes.string, oTypes.null], // string || null\r\n visibility: scrollbarsVisibilityAllowedValues, // visible || hidden || auto || v ||\r\n autoHide: scrollbarsAutoHideAllowedValues, // never || scroll || leave || move ||\r\n autoHideDelay: numberAllowedValues, // number\r\n dragScroll: booleanAllowedValues, // true || false\r\n clickScroll: booleanAllowedValues, // true || false\r\n touch: booleanAllowedValues, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: booleanAllowedValues, // true || false\r\n dynHeight: booleanAllowedValues, // true || false\r\n inheritedAttrs: stringArrayNullAllowedValues, // string || array || nul\r\n },\r\n */\r\n nativeScrollbarsOverlaid: {\r\n show: booleanAllowedValues, // true || false\r\n initialize: booleanAllowedValues, // true || false\r\n },\r\n};\r\n\r\nexport type OptionsValidationPluginInstance = {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => PartialOptions;\r\n};\r\n\r\nexport const optionsValidationPluginName = '__osOptionsValidationPlugin';\r\n\r\nexport const optionsValidationPlugin: Plugin = {\r\n [optionsValidationPluginName]: {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => {\r\n const [validated, foreign] = validateOptions(optionsTemplate, options, doWriteErrors);\r\n return { ...foreign, ...validated };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n style,\r\n appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n on,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type SizeObserverPluginInstance = {\r\n _: (\r\n listenerElement: HTMLElement,\r\n onSizeChangedCallback: (appear: boolean) => any,\r\n observeAppearChange: boolean\r\n ) => [appearCallback: () => any, offFns: (() => any)[]];\r\n};\r\n\r\nconst scrollAmount = 3333333;\r\nconst scrollEventName = 'scroll';\r\nexport const sizeObserverPluginName = '__osSizeObserverPlugin';\r\n\r\nexport const sizeObserverPlugin: Plugin = {\r\n [sizeObserverPluginName]: {\r\n _: (listenerElement, onSizeChangedCallback, observeAppearChange) => {\r\n const observerElementChildren = createDOM(\r\n `
`\r\n );\r\n appendChildren(listenerElement, observerElementChildren);\r\n addClass(listenerElement, classNameSizeObserverListenerScroll);\r\n const observerElementChildrenRoot = observerElementChildren[0] as HTMLElement;\r\n const shrinkElement = observerElementChildrenRoot.lastChild as HTMLElement;\r\n const expandElement = observerElementChildrenRoot.firstChild as HTMLElement;\r\n const expandElementChild = expandElement?.firstChild as HTMLElement;\r\n\r\n let cacheSize = offsetSize(observerElementChildrenRoot);\r\n let currSize = cacheSize;\r\n let isDirty = false;\r\n let rAFId: number;\r\n\r\n const reset = () => {\r\n scrollLeft(expandElement, scrollAmount);\r\n scrollTop(expandElement, scrollAmount);\r\n scrollLeft(shrinkElement, scrollAmount);\r\n scrollTop(shrinkElement, scrollAmount);\r\n };\r\n const onResized = (appear?: unknown) => {\r\n rAFId = 0;\r\n if (isDirty) {\r\n cacheSize = currSize;\r\n onSizeChangedCallback(appear === true);\r\n }\r\n };\r\n const onScroll = (scrollEvent?: Event | false) => {\r\n currSize = offsetSize(observerElementChildrenRoot);\r\n isDirty = !scrollEvent || !equalWH(currSize, cacheSize);\r\n\r\n if (scrollEvent) {\r\n stopPropagation(scrollEvent);\r\n\r\n if (isDirty && !rAFId) {\r\n cAF!(rAFId);\r\n rAFId = rAF!(onResized);\r\n }\r\n } else {\r\n onResized(scrollEvent === false);\r\n }\r\n\r\n reset();\r\n };\r\n const offListeners = push(\r\n [],\r\n [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]\r\n );\r\n\r\n // lets assume that the divs will never be that large and a constant value is enough\r\n style(expandElementChild, {\r\n width: scrollAmount,\r\n height: scrollAmount,\r\n });\r\n\r\n reset();\r\n\r\n return [observeAppearChange ? onScroll.bind(0, false) : reset, offListeners];\r\n },\r\n },\r\n};\r\n","import {\r\n keys,\r\n attr,\r\n WH,\r\n style,\r\n addClass,\r\n removeClass,\r\n noop,\r\n each,\r\n assignDeep,\r\n windowSize,\r\n UpdateCache,\r\n XY,\r\n} from 'support';\r\nimport { classNameViewportArrange } from 'classnames';\r\nimport type { StyleObject } from 'typings';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type {\r\n ViewportOverflowState,\r\n GetViewportOverflowState,\r\n HideNativeScrollbars,\r\n} from 'setups/structureSetup/updateSegments/overflowUpdateSegment';\r\nimport type { InternalEnvironment } from 'environment';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type ArrangeViewport = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n sizeFraction: WH,\r\n directionIsRTL: boolean\r\n) => boolean;\r\n\r\nexport type UndoViewportArrangeResult = [\r\n redoViewportArrange: () => void,\r\n overflowState?: ViewportOverflowState\r\n];\r\n\r\nexport type UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n) => UndoViewportArrangeResult;\r\n\r\nexport type ScrollbarsHidingPluginInstance = {\r\n _createUniqueViewportArrangeElement(env: InternalEnvironment): HTMLStyleElement | false;\r\n _overflowUpdateSegment(\r\n doViewportArrange: boolean,\r\n flexboxGlue: boolean,\r\n viewport: HTMLElement,\r\n viewportArrange: HTMLStyleElement | false | null | undefined,\r\n getState: () => StructureSetupState,\r\n getViewportOverflowState: GetViewportOverflowState,\r\n hideNativeScrollbars: HideNativeScrollbars\r\n ): [ArrangeViewport, UndoArrangeViewport];\r\n _envWindowZoom(): (\r\n envInstance: InternalEnvironment,\r\n updateNativeScrollbarSizeCache: UpdateCache>,\r\n triggerEvent: () => void\r\n ) => void;\r\n};\r\n\r\nlet contentArrangeCounter = 0;\r\nconst { round, abs } = Math;\r\nconst getWindowDPR = (): number => {\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const dDPI = window.screen.deviceXDPI || 0;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const sDPI = window.screen.logicalXDPI || 1;\r\n return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n const absValOne = abs(valOne);\r\n const absValTwo = abs(valTwo);\r\n return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport const scrollbarsHidingPluginName = '__osScrollbarsHidingPlugin';\r\n\r\nexport const scrollbarsHidingPlugin: Plugin = {\r\n [scrollbarsHidingPluginName]: {\r\n _createUniqueViewportArrangeElement: (env: InternalEnvironment) => {\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _cssCustomProperties,\r\n } = env;\r\n const create =\r\n !_cssCustomProperties &&\r\n !_nativeScrollbarStyling &&\r\n (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n const result = create ? document.createElement('style') : false;\r\n\r\n if (result) {\r\n attr(result, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);\r\n contentArrangeCounter++;\r\n }\r\n\r\n return result;\r\n },\r\n _overflowUpdateSegment: (\r\n doViewportArrange,\r\n flexboxGlue,\r\n viewport,\r\n viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n ) => {\r\n /**\r\n * Sets the styles of the viewport arrange element.\r\n * @param viewportOverflowState The viewport overflow state according to which the scrollbars shall be hidden.\r\n * @param viewportScrollSize The content scroll size.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @returns A boolean which indicates whether the viewport arrange element was adjusted.\r\n */\r\n const arrangeViewport: ArrangeViewport = (\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n directionIsRTL\r\n ) => {\r\n if (doViewportArrange) {\r\n const { _viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const viewportArrangeHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingRight'\r\n : 'paddingLeft';\r\n const viewportArrangeHorizontalPaddingValue = _viewportPaddingStyle[\r\n viewportArrangeHorizontalPaddingKey\r\n ] as number;\r\n const viewportArrangeVerticalPaddingValue = _viewportPaddingStyle.paddingTop as number;\r\n const fractionalContentWidth = viewportScrollSize.w + sizeFraction.w;\r\n const fractionalContenHeight = viewportScrollSize.h + sizeFraction.h;\r\n const arrangeSize = {\r\n w:\r\n hideOffsetY && arrangeY\r\n ? `${\r\n hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue\r\n }px`\r\n : '',\r\n h:\r\n hideOffsetX && arrangeX\r\n ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px`\r\n : '',\r\n };\r\n\r\n // adjust content arrange / before element\r\n if (viewportArrange) {\r\n const { sheet } = viewportArrange;\r\n if (sheet) {\r\n const { cssRules } = sheet;\r\n if (cssRules) {\r\n if (!cssRules.length) {\r\n sheet.insertRule(\r\n `#${attr(viewportArrange, 'id')} + .${classNameViewportArrange}::before {}`,\r\n 0\r\n );\r\n }\r\n\r\n // @ts-ignore\r\n const ruleStyle = cssRules[0].style;\r\n\r\n ruleStyle.width = arrangeSize.w;\r\n ruleStyle.height = arrangeSize.h;\r\n }\r\n }\r\n } else {\r\n style<'--os-vaw' | '--os-vah'>(viewport, {\r\n '--os-vaw': arrangeSize.w,\r\n '--os-vah': arrangeSize.h,\r\n });\r\n }\r\n }\r\n\r\n return doViewportArrange;\r\n };\r\n\r\n /**\r\n * Removes all styles applied because of the viewport arrange strategy.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportOverflowState The currentviewport overflow state or undefined if it has to be determined.\r\n * @returns A object with a function which applies all the removed styles and the determined viewport vverflow state.\r\n */\r\n const undoViewportArrange: UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars,\r\n directionIsRTL,\r\n viewportOverflowState?\r\n ) => {\r\n if (doViewportArrange) {\r\n const finalViewportOverflowState =\r\n viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const finalPaddingStyle: StyleObject = {};\r\n const assignProps = (props: string) =>\r\n each(props.split(' '), (prop) => {\r\n finalPaddingStyle[prop] = viewportPaddingStyle[prop];\r\n });\r\n\r\n if (arrangeX) {\r\n assignProps('marginBottom paddingTop paddingBottom');\r\n }\r\n\r\n if (arrangeY) {\r\n assignProps('marginLeft marginRight paddingLeft paddingRight');\r\n }\r\n\r\n const prevStyle = style(viewport, keys(finalPaddingStyle));\r\n\r\n removeClass(viewport, classNameViewportArrange);\r\n\r\n if (!flexboxGlue) {\r\n finalPaddingStyle.height = '';\r\n }\r\n\r\n style(viewport, finalPaddingStyle);\r\n\r\n return [\r\n () => {\r\n hideNativeScrollbars(\r\n finalViewportOverflowState,\r\n directionIsRTL,\r\n doViewportArrange,\r\n prevStyle\r\n );\r\n style(viewport, prevStyle);\r\n addClass(viewport, classNameViewportArrange);\r\n },\r\n finalViewportOverflowState,\r\n ];\r\n }\r\n return [noop];\r\n };\r\n\r\n return [arrangeViewport, undoViewportArrange];\r\n },\r\n _envWindowZoom: () => {\r\n let size = { w: 0, h: 0 };\r\n let dpr = 0;\r\n\r\n return (envInstance, updateNativeScrollbarSizeCache, triggerEvent) => {\r\n const sizeNew = windowSize();\r\n const deltaSize = {\r\n w: sizeNew.w - size.w,\r\n h: sizeNew.h - size.h,\r\n };\r\n\r\n if (deltaSize.w === 0 && deltaSize.h === 0) {\r\n return;\r\n }\r\n\r\n const deltaAbsSize = {\r\n w: abs(deltaSize.w),\r\n h: abs(deltaSize.h),\r\n };\r\n const deltaAbsRatio = {\r\n w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n };\r\n const dprNew = getWindowDPR();\r\n const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n const dprChanged = dprNew !== dpr && dprNew > 0;\r\n const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n if (isZoom) {\r\n const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache();\r\n\r\n assignDeep(envInstance._nativeScrollbarsSize, scrollbarSize); // keep the object same!\r\n\r\n if (scrollbarSizeChanged) {\r\n triggerEvent();\r\n }\r\n }\r\n\r\n size = sizeNew;\r\n dpr = dprNew;\r\n };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n addClass,\r\n style,\r\n appendChildren,\r\n fractionalSize,\r\n clientSize,\r\n absoluteCoordinates,\r\n offsetSize,\r\n scrollLeft,\r\n XY,\r\n removeAttr,\r\n removeElements,\r\n equalBCRWH,\r\n getBoundingClientRect,\r\n assignDeep,\r\n cssProperty,\r\n createCache,\r\n equalXY,\r\n createEventListenerHub,\r\n EventListener,\r\n} from 'support';\r\nimport {\r\n classNameEnvironment,\r\n classNameEnvironmentFlexboxGlue,\r\n classNameEnvironmentFlexboxGlueMax,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { Options, defaultOptions } from 'options';\r\nimport { PartialOptions } from 'typings';\r\nimport { InitializationStrategy } from 'initialization';\r\nimport { getPlugins, ScrollbarsHidingPluginInstance, scrollbarsHidingPluginName } from 'plugins';\r\n\r\ntype EnvironmentEventMap = {\r\n _: [];\r\n};\r\n\r\nexport interface InternalEnvironment {\r\n readonly _nativeScrollbarsSize: XY;\r\n readonly _nativeScrollbarsOverlaid: XY;\r\n readonly _nativeScrollbarsHiding: boolean;\r\n readonly _rtlScrollBehavior: { n: boolean; i: boolean };\r\n readonly _flexboxGlue: boolean;\r\n readonly _cssCustomProperties: boolean;\r\n readonly _defaultInitializationStrategy: InitializationStrategy;\r\n readonly _defaultDefaultOptions: Options;\r\n _addListener(listener: EventListener): () => void;\r\n _getInitializationStrategy(): InitializationStrategy;\r\n _setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n _getDefaultOptions(): Options;\r\n _setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nlet environmentInstance: InternalEnvironment;\r\n\r\nconst getNativeScrollbarSize = (\r\n body: HTMLElement,\r\n measureElm: HTMLElement,\r\n measureElmChild: HTMLElement,\r\n clear?: boolean\r\n): XY => {\r\n appendChildren(body, measureElm);\r\n\r\n const cSize = clientSize(measureElm);\r\n const oSize = offsetSize(measureElm);\r\n const fSize = fractionalSize(measureElmChild);\r\n\r\n clear && removeElements(measureElm);\r\n\r\n return {\r\n x: oSize.h - cSize.h + fSize.h,\r\n y: oSize.w - cSize.w + fSize.w,\r\n };\r\n};\r\n\r\nconst getNativeScrollbarsHiding = (testElm: HTMLElement): boolean => {\r\n let result = false;\r\n const revertClass = addClass(testElm, classNameViewportScrollbarStyling);\r\n try {\r\n result =\r\n style(testElm, cssProperty('scrollbar-width')) === 'none' ||\r\n window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') ===\r\n 'none';\r\n } catch (ex) {}\r\n revertClass();\r\n return result;\r\n};\r\n\r\nconst getRtlScrollBehavior = (\r\n parentElm: HTMLElement,\r\n childElm: HTMLElement\r\n): { i: boolean; n: boolean } => {\r\n const strHidden = 'hidden';\r\n style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: 'rtl' });\r\n scrollLeft(parentElm, 0);\r\n\r\n const parentOffset = absoluteCoordinates(parentElm);\r\n const childOffset = absoluteCoordinates(childElm);\r\n scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n const childOffsetAfterScroll = absoluteCoordinates(childElm);\r\n return {\r\n /**\r\n * origin direction = determines if the zero scroll position is on the left or right side\r\n * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n * true = on the left side\r\n * false = on the right side\r\n */\r\n i: parentOffset.x === childOffset.x,\r\n /**\r\n * negative = determines if the maximum scroll is positive or negative\r\n * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n * true = negative\r\n * false = positive\r\n */\r\n n: childOffset.x !== childOffsetAfterScroll.x,\r\n };\r\n};\r\n\r\nconst getFlexboxGlue = (parentElm: HTMLElement, childElm: HTMLElement): boolean => {\r\n const revertFbxGlue = addClass(parentElm, classNameEnvironmentFlexboxGlue);\r\n const minOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const minOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);\r\n\r\n const revertFbxGlueMax = addClass(parentElm, classNameEnvironmentFlexboxGlueMax);\r\n const maxOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const maxOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);\r\n\r\n revertFbxGlue();\r\n revertFbxGlueMax();\r\n\r\n return supportsMin && supportsMax;\r\n};\r\n\r\nconst createEnvironment = (): InternalEnvironment => {\r\n const { body } = document;\r\n const envDOM = createDOM(`
`);\r\n const envElm = envDOM[0] as HTMLElement;\r\n const envChildElm = envElm.firstChild as HTMLElement;\r\n const [addEvent, , triggerEvent] = createEventListenerHub();\r\n const [updateNativeScrollbarSizeCache, getNativeScrollbarSizeCache] = createCache(\r\n {\r\n _initialValue: getNativeScrollbarSize(body, envElm, envChildElm),\r\n _equal: equalXY,\r\n },\r\n getNativeScrollbarSize.bind(0, body, envElm, envChildElm, true)\r\n );\r\n const [nativeScrollbarsSize] = getNativeScrollbarSizeCache();\r\n const nativeScrollbarsHiding = getNativeScrollbarsHiding(envElm);\r\n const nativeScrollbarsOverlaid = {\r\n x: nativeScrollbarsSize.x === 0,\r\n y: nativeScrollbarsSize.y === 0,\r\n };\r\n const initializationStrategy = {\r\n padding: !nativeScrollbarsHiding,\r\n content: false,\r\n };\r\n const defaultDefaultOptions = assignDeep({}, defaultOptions);\r\n\r\n const env: InternalEnvironment = {\r\n _nativeScrollbarsSize: nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid: nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding: nativeScrollbarsHiding,\r\n _cssCustomProperties: style(envElm, 'zIndex') === '-1',\r\n _rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),\r\n _flexboxGlue: getFlexboxGlue(envElm, envChildElm),\r\n _addListener: (listener) => addEvent('_', listener),\r\n _getInitializationStrategy: assignDeep.bind(\r\n 0,\r\n {} as InitializationStrategy,\r\n initializationStrategy\r\n ),\r\n _setInitializationStrategy(newInitializationStrategy) {\r\n assignDeep(initializationStrategy, newInitializationStrategy);\r\n },\r\n _getDefaultOptions: assignDeep.bind(0, {} as Options, defaultDefaultOptions),\r\n _setDefaultOptions(newDefaultOptions) {\r\n assignDeep(defaultDefaultOptions, newDefaultOptions);\r\n },\r\n _defaultInitializationStrategy: assignDeep({}, initializationStrategy),\r\n _defaultDefaultOptions: assignDeep({}, defaultDefaultOptions),\r\n };\r\n\r\n removeAttr(envElm, 'style');\r\n removeElements(envElm);\r\n\r\n if (!nativeScrollbarsHiding && (!nativeScrollbarsOverlaid.x || !nativeScrollbarsOverlaid.y)) {\r\n let resizeFn: undefined | ReturnType;\r\n window.addEventListener('resize', () => {\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n\r\n resizeFn = resizeFn || (scrollbarsHidingPlugin && scrollbarsHidingPlugin._envWindowZoom());\r\n resizeFn && resizeFn(env, updateNativeScrollbarSizeCache, triggerEvent.bind(0, '_'));\r\n });\r\n }\r\n\r\n return env;\r\n};\r\n\r\nconst getEnvironment = (): InternalEnvironment => {\r\n if (!environmentInstance) {\r\n environmentInstance = createEnvironment();\r\n }\r\n return environmentInstance;\r\n};\r\n\r\nexport { getEnvironment };\r\n","import { isFunction, isNull, isUndefined } from 'support';\r\nimport type {\r\n StructureInitialization,\r\n StructureInitializationStrategy,\r\n} from 'setups/structureSetup';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n} from 'setups/scrollbarsSetup';\r\n\r\ntype StaticInitialization = HTMLElement | null | undefined;\r\ntype DynamicInitialization = HTMLElement | boolean | null | undefined;\r\n\r\nexport type InitializationTargetElement = HTMLElement | HTMLTextAreaElement;\r\n\r\nexport type InitializationTargetObject = StructureInitialization & ScrollbarsInitialization;\r\n\r\nexport type InitializationTarget = InitializationTargetElement | InitializationTargetObject;\r\n\r\nexport type InitializationStrategy = StructureInitializationStrategy &\r\n ScrollbarsInitializationStrategy;\r\n\r\n/**\r\n * Static elements MUST be present.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type StaticInitializationElement =\r\n | ((...args: Args) => StaticInitialization)\r\n | StaticInitialization;\r\n\r\n/**\r\n * Dynamic element CAN be present.\r\n * If its a element the element will be handled as the repsective element.\r\n * True means that the respective dynamic element is forced to be generated.\r\n * False means that the respective dynamic element is forced NOT to be generated.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type DynamicInitializationElement =\r\n | ((...args: Args) => DynamicInitialization)\r\n | DynamicInitialization;\r\n\r\nexport type InitializtationElementStrategy = Exclude;\r\n\r\nexport type DefaultInitializtationElementStrategy<\r\n InitElm extends StaticInitializationElement | DynamicInitializationElement\r\n> = Extract any> extends (...args: infer P) => any\r\n ? (...args: P) => HTMLElement\r\n : never;\r\n\r\nconst resolveInitialization = (value: any, args: any): T =>\r\n isFunction(value) ? value.apply(0, args) : value;\r\n\r\nconst staticInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultStaticInitializationElement: DefaultInitializtationElementStrategy,\r\n staticInitializationElementStrategy?: InitializtationElementStrategy,\r\n staticInitializationElementValue?: T | false\r\n): HTMLElement =>\r\n resolveInitialization(\r\n staticInitializationElementValue ||\r\n resolveInitialization(staticInitializationElementStrategy, args),\r\n args\r\n ) || defaultStaticInitializationElement.apply(0, args);\r\n\r\nconst dynamicInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultDynamicInitializationElement: DefaultInitializtationElementStrategy,\r\n dynamicInitializationElementStrategy?: InitializtationElementStrategy,\r\n dynamicInitializationElementValue?: T | false\r\n): HTMLElement | false => {\r\n let result = resolveInitialization(\r\n dynamicInitializationElementValue,\r\n args\r\n );\r\n\r\n if (isNull(result) || isUndefined(result)) {\r\n result = resolveInitialization(\r\n dynamicInitializationElementStrategy,\r\n args\r\n );\r\n }\r\n\r\n return result === true || isNull(result) || isUndefined(result)\r\n ? defaultDynamicInitializationElement.apply(0, args)\r\n : result;\r\n};\r\n\r\nexport { staticInitializationElement, dynamicInitializationElement };\r\n","import {\r\n isHTMLElement,\r\n appendChildren,\r\n createDiv,\r\n is,\r\n contents,\r\n insertAfter,\r\n addClass,\r\n parent,\r\n indexOf,\r\n removeElements,\r\n removeClass,\r\n hasClass,\r\n push,\r\n runEachAndClear,\r\n insertBefore,\r\n attr,\r\n keys,\r\n removeAttr,\r\n attrClass,\r\n hasAttrClass,\r\n ResizeObserverConstructor,\r\n} from 'support';\r\nimport {\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n classNamePadding,\r\n classNameViewport,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type { ScrollbarsHidingPluginInstance } from 'plugins/scrollbarsHidingPlugin';\r\nimport {\r\n staticInitializationElement as generalStaticInitializationElement,\r\n dynamicInitializationElement as generalDynamicInitializationElement,\r\n} from 'initialization';\r\nimport type { InitializationTarget, InitializationTargetElement } from 'initialization';\r\nimport type {\r\n StructureDynamicInitializationElement,\r\n StructureInitialization,\r\n StructureStaticInitializationElement,\r\n} from 'setups/structureSetup/structureSetup.initialization';\r\n\r\nexport type StructureSetupElements = [\r\n targetObj: StructureSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nexport interface StructureSetupElementsObj {\r\n _target: InitializationTargetElement;\r\n _host: HTMLElement;\r\n _viewport: HTMLElement;\r\n _padding: HTMLElement | false;\r\n _content: HTMLElement | false;\r\n _viewportArrange: HTMLStyleElement | false | null | undefined;\r\n // ctx ----\r\n _isTextarea: boolean;\r\n _isBody: boolean;\r\n _htmlElm: HTMLHtmlElement;\r\n _bodyElm: HTMLBodyElement;\r\n _windowElm: Window;\r\n _documentElm: Document;\r\n _targetIsElm: boolean;\r\n _viewportIsTarget: boolean;\r\n _viewportHasClass: (className: string, attributeClassName: string) => boolean;\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) => void;\r\n}\r\n\r\nconst createNewDiv = createDiv.bind(0, '');\r\n\r\nconst unwrap = (elm: HTMLElement | false | null | undefined) => {\r\n appendChildren(parent(elm), contents(elm));\r\n removeElements(elm);\r\n};\r\n\r\nconst addDataAttrHost = (elm: HTMLElement, value: string) => {\r\n attr(elm, dataAttributeHost, value);\r\n return removeAttr.bind(0, elm, dataAttributeHost);\r\n};\r\n\r\nexport const createStructureSetupElements = (\r\n target: InitializationTarget\r\n): StructureSetupElements => {\r\n const env = getEnvironment();\r\n const { _getInitializationStrategy, _nativeScrollbarsHiding } = env;\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const createUniqueViewportArrangeElement =\r\n scrollbarsHidingPlugin && scrollbarsHidingPlugin._createUniqueViewportArrangeElement;\r\n const {\r\n host: hostInitializationStrategy,\r\n viewport: viewportInitializationStrategy,\r\n padding: paddingInitializationStrategy,\r\n content: contentInitializationStrategy,\r\n } = _getInitializationStrategy();\r\n const targetIsElm = isHTMLElement(target);\r\n const targetStructureInitialization = target as StructureInitialization;\r\n const targetElement = targetIsElm\r\n ? (target as InitializationTargetElement)\r\n : targetStructureInitialization.target;\r\n const isTextarea = is(targetElement, 'textarea');\r\n const isBody = !isTextarea && is(targetElement, 'body');\r\n const ownerDocument = targetElement!.ownerDocument;\r\n const bodyElm = ownerDocument.body as HTMLBodyElement;\r\n const wnd = ownerDocument.defaultView as Window;\r\n const singleElmSupport = !!ResizeObserverConstructor && !isTextarea && _nativeScrollbarsHiding;\r\n const staticInitializationElement =\r\n generalStaticInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const dynamicInitializationElement =\r\n generalDynamicInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const viewportElement = [\r\n staticInitializationElement(\r\n createNewDiv,\r\n viewportInitializationStrategy,\r\n targetStructureInitialization.viewport\r\n ),\r\n staticInitializationElement(createNewDiv, viewportInitializationStrategy),\r\n staticInitializationElement(createNewDiv),\r\n ].filter((potentialViewport) =>\r\n !singleElmSupport ? potentialViewport !== targetElement : true\r\n )[0];\r\n const viewportIsTarget = viewportElement === targetElement;\r\n const evaluatedTargetObj: StructureSetupElementsObj = {\r\n _target: targetElement,\r\n _host: isTextarea\r\n ? staticInitializationElement(\r\n createNewDiv,\r\n hostInitializationStrategy,\r\n targetStructureInitialization.host\r\n )\r\n : (targetElement as HTMLElement),\r\n _viewport: viewportElement,\r\n _padding:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n paddingInitializationStrategy,\r\n targetStructureInitialization.padding\r\n ),\r\n _content:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n contentInitializationStrategy,\r\n targetStructureInitialization.content\r\n ),\r\n _viewportArrange:\r\n !viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n createUniqueViewportArrangeElement &&\r\n createUniqueViewportArrangeElement(env),\r\n _windowElm: wnd,\r\n _documentElm: ownerDocument,\r\n _htmlElm: parent(bodyElm) as HTMLHtmlElement,\r\n _bodyElm: bodyElm,\r\n _isTextarea: isTextarea,\r\n _isBody: isBody,\r\n _targetIsElm: targetIsElm,\r\n _viewportIsTarget: viewportIsTarget,\r\n _viewportHasClass: (className: string, attributeClassName: string) =>\r\n viewportIsTarget\r\n ? hasAttrClass(viewportElement, dataAttributeHost, attributeClassName)\r\n : hasClass(viewportElement, className),\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) =>\r\n viewportIsTarget\r\n ? attrClass(viewportElement, dataAttributeHost, attributeClassName, add)\r\n : (add ? addClass : removeClass)(viewportElement, className),\r\n };\r\n const generatedElements = keys(evaluatedTargetObj).reduce((arr, key: string) => {\r\n const value = evaluatedTargetObj[key];\r\n return push(arr, value && !parent(value) ? value : false);\r\n }, [] as HTMLElement[]);\r\n const elementIsGenerated = (elm: HTMLElement | false) =>\r\n elm ? indexOf(generatedElements, elm) > -1 : null;\r\n const { _target, _host, _padding, _viewport, _content, _viewportArrange } = evaluatedTargetObj;\r\n const destroyFns: (() => any)[] = [];\r\n const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);\r\n const targetContents = isTextarea\r\n ? _target\r\n : contents(\r\n [_content, _viewport, _padding, _host, _target].find(\r\n (elm) => elementIsGenerated(elm) === false\r\n )\r\n );\r\n const contentSlot = _content || _viewport;\r\n const appendElements = () => {\r\n const removeHostDataAttr = addDataAttrHost(_host, viewportIsTarget ? 'viewport' : 'host');\r\n const removePaddingClass = addClass(_padding, classNamePadding);\r\n const removeViewportClass = addClass(_viewport, !viewportIsTarget && classNameViewport);\r\n const removeContentClass = addClass(_content, classNameContent);\r\n\r\n // only insert host for textarea after target if it was generated\r\n if (isTextareaHostGenerated) {\r\n insertAfter(_target, _host);\r\n\r\n push(destroyFns, () => {\r\n insertAfter(_host, _target);\r\n removeElements(_host);\r\n });\r\n }\r\n\r\n appendChildren(contentSlot, targetContents);\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, !viewportIsTarget && _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n push(destroyFns, () => {\r\n removeHostDataAttr();\r\n removeAttr(_viewport, dataAttributeHostOverflowX);\r\n removeAttr(_viewport, dataAttributeHostOverflowY);\r\n\r\n if (elementIsGenerated(_content)) {\r\n unwrap(_content);\r\n }\r\n if (elementIsGenerated(_viewport)) {\r\n unwrap(_viewport);\r\n }\r\n if (elementIsGenerated(_padding)) {\r\n unwrap(_padding);\r\n }\r\n removePaddingClass();\r\n removeViewportClass();\r\n removeContentClass();\r\n });\r\n\r\n if (_nativeScrollbarsHiding && !viewportIsTarget) {\r\n push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));\r\n }\r\n if (_viewportArrange) {\r\n insertBefore(_viewport, _viewportArrange);\r\n push(destroyFns, removeElements.bind(0, _viewportArrange));\r\n }\r\n };\r\n\r\n return [evaluatedTargetObj, appendElements, runEachAndClear.bind(0, destroyFns)];\r\n};\r\n","import { style } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the trinsic behavior of the content element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createTrinsicUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const { _content } = structureSetupElements;\r\n const [getState] = state;\r\n\r\n return (updateHints) => {\r\n const { _flexboxGlue } = getEnvironment();\r\n const { _heightIntrinsic } = getState();\r\n const { _heightIntrinsicChanged } = updateHints;\r\n const heightIntrinsicChanged = (_content || !_flexboxGlue) && _heightIntrinsicChanged;\r\n\r\n if (heightIntrinsicChanged) {\r\n style(_content, {\r\n height: _heightIntrinsic ? '' : '100%',\r\n });\r\n }\r\n\r\n return {\r\n _sizeChanged: heightIntrinsicChanged,\r\n _contentMutation: heightIntrinsicChanged,\r\n };\r\n };\r\n};\r\n","import { createCache, topRightBottomLeft, equalTRBL, style, assignDeep } from 'support';\r\nimport { StyleObject } from 'typings';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the padding styling of the padding and viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createPaddingUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const { _host, _padding, _viewport, _viewportIsTarget: _isSingleElm } = structureSetupElements;\r\n const [updatePaddingCache, currentPaddingCache] = createCache(\r\n {\r\n _equal: equalTRBL,\r\n _initialValue: topRightBottomLeft(),\r\n },\r\n topRightBottomLeft.bind(0, _host, 'padding', '')\r\n );\r\n\r\n return (updateHints, checkOption, force) => {\r\n let [padding, paddingChanged] = currentPaddingCache(force);\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const { _directionIsRTL } = getState();\r\n const { _sizeChanged, _contentMutation, _directionChanged } = updateHints;\r\n const [paddingAbsolute, paddingAbsoluteChanged] = checkOption('paddingAbsolute');\r\n const contentMutation = !_flexboxGlue && _contentMutation;\r\n\r\n if (_sizeChanged || paddingChanged || contentMutation) {\r\n [padding, paddingChanged] = updatePaddingCache(force);\r\n }\r\n\r\n const paddingStyleChanged =\r\n !_isSingleElm && (paddingAbsoluteChanged || _directionChanged || paddingChanged);\r\n\r\n if (paddingStyleChanged) {\r\n // if there is no padding element and no scrollbar styling, paddingAbsolute isn't supported\r\n const paddingRelative = !paddingAbsolute || (!_padding && !_nativeScrollbarStyling);\r\n const paddingHorizontal = padding.r + padding.l;\r\n const paddingVertical = padding.t + padding.b;\r\n\r\n const paddingStyle: StyleObject = {\r\n marginRight: paddingRelative && !_directionIsRTL ? -paddingHorizontal : 0,\r\n marginBottom: paddingRelative ? -paddingVertical : 0,\r\n marginLeft: paddingRelative && _directionIsRTL ? -paddingHorizontal : 0,\r\n top: paddingRelative ? -padding.t : 0,\r\n right: paddingRelative ? (_directionIsRTL ? -padding.r : 'auto') : 0,\r\n left: paddingRelative ? (_directionIsRTL ? 'auto' : -padding.l) : 0,\r\n width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : '',\r\n };\r\n const viewportStyle: StyleObject = {\r\n paddingTop: paddingRelative ? padding.t : 0,\r\n paddingRight: paddingRelative ? padding.r : 0,\r\n paddingBottom: paddingRelative ? padding.b : 0,\r\n paddingLeft: paddingRelative ? padding.l : 0,\r\n };\r\n\r\n // if there is no padding element apply the style to the viewport element instead\r\n style(_padding || _viewport, paddingStyle);\r\n style(_viewport, viewportStyle);\r\n\r\n setState({\r\n _padding: padding,\r\n _paddingAbsolute: !paddingRelative,\r\n _viewportPaddingStyle: _padding\r\n ? viewportStyle\r\n : assignDeep({}, paddingStyle, viewportStyle),\r\n });\r\n }\r\n\r\n return {\r\n _paddingStyleChanged: paddingStyleChanged,\r\n };\r\n };\r\n};\r\n","import {\r\n createCache,\r\n attr,\r\n WH,\r\n XY,\r\n style,\r\n scrollSize,\r\n fractionalSize,\r\n equalWH,\r\n addClass,\r\n removeClass,\r\n clientSize,\r\n equalXY,\r\n attrClass,\r\n noop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameViewportScrollbarStyling,\r\n classNameOverflowVisible,\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n dataValueHostViewportScrollbarStyling,\r\n dataValueHostOverflowVisible,\r\n} from 'classnames';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type {\r\n ScrollbarsHidingPluginInstance,\r\n ArrangeViewport,\r\n UndoArrangeViewport,\r\n} from 'plugins/scrollbarsHidingPlugin';\r\nimport type { StyleObject, OverflowStyle } from 'typings';\r\nimport type { OverflowBehavior } from 'options';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport interface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n _overflowStyle: XY;\r\n}\r\n\r\nexport type GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n viewportStyleObj?: StyleObject\r\n) => ViewportOverflowState;\r\n\r\nexport type HideNativeScrollbars = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\r\n) => void;\r\n\r\nconst { max } = Math;\r\nconst max0 = max.bind(0, 0);\r\nconst strVisible = 'visible';\r\nconst strHidden = 'hidden';\r\nconst overlaidScrollbarsHideOffset = 42;\r\nconst whCacheOptions = {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n};\r\nconst xyCacheOptions = {\r\n _equal: equalXY,\r\n _initialValue: { x: strHidden, y: strHidden } as XY,\r\n};\r\n\r\nconst getOverflowAmount = (viewportScrollSize: WH, viewportClientSize: WH) => {\r\n const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;\r\n const amount = {\r\n w: max0(viewportScrollSize.w - viewportClientSize.w),\r\n h: max0(viewportScrollSize.h - viewportClientSize.h),\r\n };\r\n\r\n return {\r\n w: amount.w > tollerance ? amount.w : 0,\r\n h: amount.h > tollerance ? amount.h : 0,\r\n };\r\n};\r\n\r\nconst conditionalClass = (\r\n elm: Element | false | null | undefined,\r\n classNames: string,\r\n add: boolean\r\n) => (add ? addClass(elm, classNames) : removeClass(elm, classNames));\r\n\r\nconst overflowIsVisible = (overflowBehavior: string) => overflowBehavior.indexOf(strVisible) === 0;\r\n\r\n/**\r\n * Lifecycle with the responsibility to set the correct overflow and scrollbar hiding styles of the viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createOverflowUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const {\r\n _host,\r\n _padding,\r\n _viewport,\r\n _viewportArrange,\r\n _viewportIsTarget,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsSize,\r\n _flexboxGlue,\r\n _nativeScrollbarsHiding,\r\n _nativeScrollbarsOverlaid,\r\n } = getEnvironment();\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const doViewportArrange =\r\n !_viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n (_nativeScrollbarsOverlaid.x || _nativeScrollbarsOverlaid.y);\r\n\r\n const [updateSizeFraction, getCurrentSizeFraction] = createCache>(\r\n whCacheOptions,\r\n fractionalSize.bind(0, _viewport)\r\n );\r\n\r\n const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache<\r\n WH\r\n >(whCacheOptions, scrollSize.bind(0, _viewport));\r\n\r\n const [updateOverflowAmountCache, getCurrentOverflowAmountCache] =\r\n createCache>(whCacheOptions);\r\n\r\n const [updateOverflowEdge, getCurrentOverflowEdgeCache] = createCache>(whCacheOptions);\r\n\r\n const [updateOverflowStyleCache] = createCache>(xyCacheOptions);\r\n\r\n /**\r\n * Applies a fixed height to the viewport so it can't overflow or underflow the host element.\r\n * @param viewportOverflowState The current overflow state.\r\n * @param heightIntrinsic Whether the host height is intrinsic or not.\r\n */\r\n const fixFlexboxGlue = (\r\n viewportOverflowState: ViewportOverflowState,\r\n heightIntrinsic: boolean\r\n ) => {\r\n style(_viewport, {\r\n height: '',\r\n });\r\n\r\n if (heightIntrinsic) {\r\n const { _paddingAbsolute, _padding: padding } = getState();\r\n const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;\r\n const fSize = fractionalSize(_host);\r\n const hostClientSize = clientSize(_host);\r\n\r\n // padding subtraction is only needed if padding is absolute or if viewport is content-box\r\n const isContentBox = style(_viewport, 'boxSizing') === 'content-box';\r\n const paddingVertical = _paddingAbsolute || isContentBox ? padding.b + padding.t : 0;\r\n const subtractXScrollbar = !(_nativeScrollbarsOverlaid.x && isContentBox);\r\n\r\n style(_viewport, {\r\n height:\r\n hostClientSize.h +\r\n fSize.h +\r\n (_overflowScroll.x && subtractXScrollbar ? _scrollbarsHideOffset.x : 0) -\r\n paddingVertical,\r\n });\r\n }\r\n };\r\n\r\n /**\r\n * Gets the current overflow state of the viewport.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param viewportStyleObj The viewport style object where the overflow scroll property can be read of, or undefined if shall be determined.\r\n * @returns A object which contains informations about the current overflow state.\r\n */\r\n const getViewportOverflowState: GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars,\r\n viewportStyleObj?\r\n ) => {\r\n const arrangeHideOffset =\r\n !_nativeScrollbarsHiding && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;\r\n const getStatePerAxis = (\r\n styleKey: string,\r\n isOverlaid: boolean,\r\n nativeScrollbarSize: number\r\n ) => {\r\n const overflowStyle = style(_viewport, styleKey);\r\n // can't do something like \"viewportStyleObj && viewportStyleObj[styleKey] || overflowStyle\" here!\r\n const objectPrefferedOverflowStyle = viewportStyleObj\r\n ? viewportStyleObj[styleKey]\r\n : overflowStyle;\r\n const overflowScroll = objectPrefferedOverflowStyle === 'scroll';\r\n const nonScrollbarStylingHideOffset = isOverlaid ? arrangeHideOffset : nativeScrollbarSize;\r\n const scrollbarsHideOffset =\r\n overflowScroll && !_nativeScrollbarsHiding ? nonScrollbarStylingHideOffset : 0;\r\n const scrollbarsHideOffsetArrange = isOverlaid && !!arrangeHideOffset;\r\n\r\n return [overflowStyle, overflowScroll, scrollbarsHideOffset, scrollbarsHideOffsetArrange] as [\r\n overflowStyle: OverflowStyle,\r\n overflowScroll: boolean,\r\n scrollbarsHideOffset: number,\r\n scrollbarsHideOffsetArrange: boolean\r\n ];\r\n };\r\n\r\n const [xOverflowStyle, xOverflowScroll, xScrollbarsHideOffset, xScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowX', _nativeScrollbarsOverlaid.x, _nativeScrollbarsSize.x);\r\n const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowY', _nativeScrollbarsOverlaid.y, _nativeScrollbarsSize.y);\r\n\r\n return {\r\n _overflowStyle: {\r\n x: xOverflowStyle,\r\n y: yOverflowStyle,\r\n },\r\n _overflowScroll: {\r\n x: xOverflowScroll,\r\n y: yOverflowScroll,\r\n },\r\n _scrollbarsHideOffset: {\r\n x: xScrollbarsHideOffset,\r\n y: yScrollbarsHideOffset,\r\n },\r\n _scrollbarsHideOffsetArrange: {\r\n x: xScrollbarsHideOffsetArrange,\r\n y: yScrollbarsHideOffsetArrange,\r\n },\r\n };\r\n };\r\n\r\n /**\r\n * Sets the overflow property of the viewport and calculates the a overflow state according to the new parameters.\r\n * @param showNativeOverlaidScrollbars Whether to show natively overlaid scrollbars.\r\n * @param overflowAmount The overflow amount.\r\n * @param overflow The overflow behavior according to the options.\r\n * @param viewportStyleObj The viewport style object to which the overflow style shall be applied.\r\n * @returns A object which represents the newly set overflow state.\r\n */\r\n const setViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n hasOverflow: XY,\r\n overflowOption: XY,\r\n viewportStyleObj: StyleObject\r\n ): ViewportOverflowState => {\r\n const setAxisOverflowStyle = (behavior: OverflowBehavior, hasOverflowAxis: boolean) => {\r\n const overflowVisible = overflowIsVisible(behavior);\r\n const overflowVisibleBehavior =\r\n (hasOverflowAxis && overflowVisible && behavior.replace(`${strVisible}-`, '')) || '';\r\n return [\r\n hasOverflowAxis && !overflowVisible ? behavior : '',\r\n overflowIsVisible(overflowVisibleBehavior) ? 'hidden' : overflowVisibleBehavior,\r\n ];\r\n };\r\n\r\n const [overflowX, visibleBehaviorX] = setAxisOverflowStyle(overflowOption.x, hasOverflow.x);\r\n const [overflowY, visibleBehaviorY] = setAxisOverflowStyle(overflowOption.y, hasOverflow.y);\r\n\r\n viewportStyleObj.overflowX = visibleBehaviorX && overflowY ? visibleBehaviorX : overflowX;\r\n viewportStyleObj.overflowY = visibleBehaviorY && overflowX ? visibleBehaviorY : overflowY;\r\n\r\n return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);\r\n };\r\n\r\n /**\r\n * Hides the native scrollbars according to the passed parameters.\r\n * @param viewportOverflowState The viewport overflow state.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportArrange Whether special styles related to the viewport arrange strategy shall be applied.\r\n * @param viewportStyleObj The viewport style object to which the needed styles shall be applied.\r\n */\r\n const hideNativeScrollbars: HideNativeScrollbars = (\r\n viewportOverflowState,\r\n directionIsRTL,\r\n viewportArrange,\r\n viewportStyleObj\r\n ) => {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const horizontalMarginKey: keyof StyleObject = directionIsRTL ? 'marginLeft' : 'marginRight';\r\n const viewportHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingLeft'\r\n : 'paddingRight';\r\n const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey] as number;\r\n const verticalMarginValue = viewportPaddingStyle.marginBottom as number;\r\n const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey] as number;\r\n const verticalPaddingValue = viewportPaddingStyle.paddingBottom as number;\r\n\r\n // horizontal\r\n viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;\r\n viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;\r\n\r\n // vertical\r\n viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;\r\n\r\n // viewport arrange additional styles\r\n if (viewportArrange) {\r\n viewportStyleObj[viewportHorizontalPaddingKey] =\r\n horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);\r\n viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);\r\n }\r\n };\r\n\r\n const [arrangeViewport, undoViewportArrange] = scrollbarsHidingPlugin\r\n ? scrollbarsHidingPlugin._overflowUpdateSegment(\r\n doViewportArrange,\r\n _flexboxGlue,\r\n _viewport,\r\n _viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n )\r\n : [(() => doViewportArrange) as ArrangeViewport, (() => [noop]) as UndoArrangeViewport];\r\n\r\n return (updateHints, checkOption, force) => {\r\n const {\r\n _sizeChanged,\r\n _hostMutation,\r\n _contentMutation,\r\n _paddingStyleChanged,\r\n _heightIntrinsicChanged,\r\n _directionChanged,\r\n } = updateHints;\r\n const { _heightIntrinsic, _directionIsRTL } = getState();\r\n const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] =\r\n checkOption('nativeScrollbarsOverlaid.show');\r\n const [overflow, overflowChanged] = checkOption>('overflow');\r\n\r\n const showNativeOverlaidScrollbars =\r\n showNativeOverlaidScrollbarsOption &&\r\n _nativeScrollbarsOverlaid.x &&\r\n _nativeScrollbarsOverlaid.y;\r\n const adjustFlexboxGlue =\r\n !_viewportIsTarget &&\r\n !_flexboxGlue &&\r\n (_sizeChanged ||\r\n _contentMutation ||\r\n _hostMutation ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n _heightIntrinsicChanged);\r\n const overflowXVisible = overflowIsVisible(overflow.x);\r\n const overflowYVisible = overflowIsVisible(overflow.y);\r\n const overflowVisible = overflowXVisible || overflowYVisible;\r\n\r\n let sizeFractionCache = getCurrentSizeFraction(force);\r\n let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);\r\n let overflowAmuntCache = getCurrentOverflowAmountCache(force);\r\n let overflowEdgeCache = getCurrentOverflowEdgeCache(force);\r\n\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarsHiding) {\r\n _viewportAddRemoveClass(\r\n classNameViewportScrollbarStyling,\r\n dataValueHostViewportScrollbarStyling,\r\n !showNativeOverlaidScrollbars\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);\r\n fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (\r\n _sizeChanged ||\r\n _paddingStyleChanged ||\r\n _contentMutation ||\r\n _directionChanged ||\r\n showNativeOverlaidScrollbarsChanged\r\n ) {\r\n if (overflowVisible) {\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, false);\r\n }\r\n\r\n const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(\r\n showNativeOverlaidScrollbars,\r\n _directionIsRTL,\r\n preMeasureViewportOverflowState\r\n );\r\n const [sizeFraction, sizeFractionChanged] = (sizeFractionCache = updateSizeFraction(force));\r\n const [viewportScrollSize, viewportScrollSizeChanged] = (viewportScrollSizeCache =\r\n updateViewportScrollSizeCache(force));\r\n const viewportclientSize = clientSize(_viewport);\r\n let arrangedViewportScrollSize = viewportScrollSize;\r\n let arrangedViewportClientSize = viewportclientSize;\r\n\r\n redoViewportArrange();\r\n\r\n // if re measure is required (only required if content arrange strategy is used)\r\n if (\r\n (viewportScrollSizeChanged || sizeFractionChanged || showNativeOverlaidScrollbarsChanged) &&\r\n undoViewportArrangeOverflowState &&\r\n !showNativeOverlaidScrollbars &&\r\n arrangeViewport(\r\n undoViewportArrangeOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n )\r\n ) {\r\n arrangedViewportClientSize = clientSize(_viewport);\r\n arrangedViewportScrollSize = scrollSize(_viewport);\r\n }\r\n\r\n const overflowAmountScrollSize = {\r\n w: max0(max(viewportScrollSize.w, arrangedViewportScrollSize.w) + sizeFraction.w),\r\n h: max0(max(viewportScrollSize.h, arrangedViewportScrollSize.h) + sizeFraction.h),\r\n };\r\n const overflowAmountClientSize = {\r\n w: max0(\r\n arrangedViewportClientSize.w +\r\n max0(viewportclientSize.w - viewportScrollSize.w) +\r\n sizeFraction.w\r\n ),\r\n h: max0(\r\n arrangedViewportClientSize.h +\r\n max0(viewportclientSize.h - viewportScrollSize.h) +\r\n sizeFraction.h\r\n ),\r\n };\r\n\r\n overflowEdgeCache = updateOverflowEdge(overflowAmountClientSize);\r\n overflowAmuntCache = updateOverflowAmountCache(\r\n getOverflowAmount(overflowAmountScrollSize, overflowAmountClientSize),\r\n force\r\n );\r\n }\r\n\r\n const [overflowEdge, overflowEdgeChanged] = overflowEdgeCache;\r\n const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;\r\n const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;\r\n const [sizeFraction, sizeFractionChanged] = sizeFractionCache;\r\n const hasOverflow = {\r\n x: overflowAmount.w > 0,\r\n y: overflowAmount.h > 0,\r\n };\r\n const removeClipping =\r\n (overflowXVisible && overflowYVisible && (hasOverflow.x || hasOverflow.y)) ||\r\n (overflowXVisible && hasOverflow.x && !hasOverflow.y) ||\r\n (overflowYVisible && hasOverflow.y && !hasOverflow.x);\r\n\r\n if (\r\n _paddingStyleChanged ||\r\n _directionChanged ||\r\n sizeFractionChanged ||\r\n viewportScrollSizeChanged ||\r\n overflowEdgeChanged ||\r\n overflowAmountChanged ||\r\n overflowChanged ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n adjustFlexboxGlue\r\n ) {\r\n const viewportStyle: StyleObject = {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n width: '',\r\n overflowY: '',\r\n overflowX: '',\r\n };\r\n const viewportOverflowState = setViewportOverflowState(\r\n showNativeOverlaidScrollbars,\r\n hasOverflow,\r\n overflow,\r\n viewportStyle\r\n );\r\n const viewportArranged = arrangeViewport(\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n );\r\n\r\n if (!_viewportIsTarget) {\r\n hideNativeScrollbars(\r\n viewportOverflowState,\r\n _directionIsRTL,\r\n viewportArranged,\r\n viewportStyle\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n fixFlexboxGlue(viewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (_viewportIsTarget) {\r\n attr(_host, dataAttributeHostOverflowX, viewportStyle.overflowX as string);\r\n attr(_host, dataAttributeHostOverflowY, viewportStyle.overflowY as string);\r\n } else {\r\n style(_viewport, viewportStyle);\r\n }\r\n }\r\n\r\n attrClass(_host, dataAttributeHost, dataValueHostOverflowVisible, removeClipping);\r\n conditionalClass(_padding, classNameOverflowVisible, removeClipping);\r\n !_viewportIsTarget && conditionalClass(_viewport, classNameOverflowVisible, overflowVisible);\r\n\r\n const [overflowStyle, overflowStyleChanged] = updateOverflowStyleCache(\r\n getViewportOverflowState(showNativeOverlaidScrollbars)._overflowStyle\r\n );\r\n\r\n setState({\r\n _overflowStyle: overflowStyle,\r\n _overflowEdge: {\r\n x: overflowEdge.w,\r\n y: overflowEdge.h,\r\n },\r\n _overflowAmount: {\r\n x: overflowAmount.w,\r\n y: overflowAmount.h,\r\n },\r\n _hasOverflow: hasOverflow,\r\n });\r\n\r\n return {\r\n _overflowStyleChanged: overflowStyleChanged,\r\n _overflowEdgeChanged: overflowEdgeChanged,\r\n _overflowAmountChanged: overflowAmountChanged,\r\n };\r\n };\r\n};\r\n","import { each, scrollLeft, scrollTop, assignDeep, keys } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n createTrinsicUpdateSegment,\r\n createPaddingUpdateSegment,\r\n createOverflowUpdateSegment,\r\n} from 'setups/structureSetup/updateSegments';\r\nimport type { SetupState, SetupUpdateSegment, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\n\r\nexport type CreateStructureUpdateSegment = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n) => StructureSetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdateSegment = SetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdate = (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n) => StructureSetupUpdateHints;\r\n\r\nexport interface StructureSetupUpdateHints {\r\n _sizeChanged: boolean;\r\n _directionChanged: boolean;\r\n _heightIntrinsicChanged: boolean;\r\n _overflowEdgeChanged: boolean;\r\n _overflowAmountChanged: boolean;\r\n _overflowStyleChanged: boolean;\r\n _paddingStyleChanged: boolean;\r\n _hostMutation: boolean;\r\n _contentMutation: boolean;\r\n}\r\n\r\nconst prepareUpdateHints = (\r\n leading: Required,\r\n adaptive?: Partial,\r\n force?: boolean\r\n): Required => {\r\n const result = {};\r\n const finalAdaptive = adaptive || {};\r\n const objKeys = keys(leading).concat(keys(finalAdaptive));\r\n\r\n each(objKeys, (key) => {\r\n const leadingValue = leading[key];\r\n const adaptiveValue = finalAdaptive[key];\r\n result[key] = !!(force || leadingValue || adaptiveValue);\r\n });\r\n\r\n return result as Required;\r\n};\r\n\r\nexport const createStructureSetupUpdate = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n): StructureSetupUpdate => {\r\n const { _viewport } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _flexboxGlue,\r\n } = getEnvironment();\r\n const doViewportArrange =\r\n !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n\r\n const updateSegments: StructureSetupUpdateSegment[] = [\r\n createTrinsicUpdateSegment(structureSetupElements, state),\r\n createPaddingUpdateSegment(structureSetupElements, state),\r\n createOverflowUpdateSegment(structureSetupElements, state),\r\n ];\r\n\r\n return (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n ) => {\r\n const initialUpdateHints = prepareUpdateHints(\r\n assignDeep(\r\n {\r\n _sizeChanged: false,\r\n _paddingStyleChanged: false,\r\n _directionChanged: false,\r\n _heightIntrinsicChanged: false,\r\n _overflowEdgeChanged: false,\r\n _overflowAmountChanged: false,\r\n _overflowStyleChanged: false,\r\n _hostMutation: false,\r\n _contentMutation: false,\r\n },\r\n updateHints\r\n ),\r\n {},\r\n force\r\n );\r\n const adjustScrollOffset = doViewportArrange || !_flexboxGlue;\r\n const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);\r\n const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);\r\n\r\n let adaptivedUpdateHints: Required = initialUpdateHints;\r\n each(updateSegments, (updateSegment) => {\r\n adaptivedUpdateHints = prepareUpdateHints(\r\n adaptivedUpdateHints,\r\n updateSegment(adaptivedUpdateHints, checkOption, !!force) || {},\r\n force\r\n );\r\n });\r\n\r\n scrollLeft(_viewport, scrollOffsetX);\r\n scrollTop(_viewport, scrollOffsetY);\r\n\r\n return adaptivedUpdateHints;\r\n };\r\n};\r\n","import {\r\n Cache,\r\n CacheValues,\r\n createCache,\r\n createDOM,\r\n style,\r\n scrollLeft,\r\n scrollTop,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n addClass,\r\n push,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n isObject,\r\n stopPropagation,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n} from 'classnames';\r\nimport { getPlugins, SizeObserverPluginInstance, sizeObserverPluginName } from 'plugins';\r\n\r\nexport interface SizeObserverOptions {\r\n _direction?: boolean;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserverCallbackParams {\r\n _sizeChanged: boolean;\r\n _directionIsRTLCache?: CacheValues;\r\n _appear?: boolean;\r\n}\r\n\r\nexport type DestroySizeObserver = () => void;\r\n\r\nconst scrollAmount = 3333333;\r\nconst getElmDirectionIsRTL = (elm: HTMLElement): boolean => style(elm, 'direction') === 'rtl';\r\nconst domRectHasDimensions = (rect?: DOMRectReadOnly) => rect && (rect.height || rect.width);\r\n\r\n/**\r\n * Creates a size observer which observes any size, padding, border, margin and box-sizing changes of the target element. Depending on the options also direction and appear can be observed.\r\n * @param target The target element which shall be observed.\r\n * @param onSizeChangedCallback The callback which gets called after a size change was detected.\r\n * @param options The options for size detection, whether to observe also direction and appear.\r\n * @returns A object which represents the instance of the size observer.\r\n */\r\nexport const createSizeObserver = (\r\n target: HTMLElement,\r\n onSizeChangedCallback: (params: SizeObserverCallbackParams) => any,\r\n options?: SizeObserverOptions\r\n): DestroySizeObserver => {\r\n const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } =\r\n options || {};\r\n const sizeObserverPlugin = getPlugins()[sizeObserverPluginName] as\r\n | SizeObserverPluginInstance\r\n | undefined;\r\n const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();\r\n const baseElements = createDOM(\r\n `
`\r\n );\r\n const sizeObserver = baseElements[0] as HTMLElement;\r\n const listenerElement = sizeObserver.firstChild as HTMLElement;\r\n const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);\r\n const [updateResizeObserverContentRectCache] = createCache({\r\n _initialValue: undefined,\r\n _alwaysUpdateValues: true,\r\n _equal: (currVal, newVal) =>\r\n !(\r\n !currVal || // if no initial value\r\n // if from display: none to display: block\r\n (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))\r\n ),\r\n });\r\n const onSizeChangedCallbackProxy = (\r\n sizeChangedContext?: CacheValues | ResizeObserverEntry[] | Event | boolean\r\n ) => {\r\n const isResizeObserverCall =\r\n isArray(sizeChangedContext) &&\r\n sizeChangedContext.length > 0 &&\r\n isObject(sizeChangedContext[0]);\r\n\r\n const hasDirectionCache =\r\n !isResizeObserverCall && isBoolean((sizeChangedContext as CacheValues)[0]);\r\n\r\n let skip = false;\r\n let appear: boolean | number | undefined = false;\r\n let doDirectionScroll = true; // always true if sizeChangedContext is Event (appear callback or RO. Polyfill)\r\n\r\n // if triggered from RO.\r\n if (isResizeObserverCall) {\r\n const [currRContentRect, , prevContentRect] = updateResizeObserverContentRectCache(\r\n (sizeChangedContext as ResizeObserverEntry[]).pop()!.contentRect\r\n );\r\n const hasDimensions = domRectHasDimensions(currRContentRect);\r\n const hadDimensions = domRectHasDimensions(prevContentRect);\r\n skip = !prevContentRect || !hasDimensions; // skip on initial RO. call or if display is none\r\n appear = !hadDimensions && hasDimensions;\r\n\r\n doDirectionScroll = !skip; // direction scroll when not skipping\r\n }\r\n // else if its triggered with DirectionCache\r\n else if (hasDirectionCache) {\r\n [, doDirectionScroll] = sizeChangedContext as CacheValues; // direction scroll when DirectionCache changed, false otherwise\r\n }\r\n // else if it triggered with appear from polyfill\r\n else {\r\n appear = sizeChangedContext === true;\r\n }\r\n\r\n if (observeDirectionChange && doDirectionScroll) {\r\n const rtl = hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)[0]\r\n : getElmDirectionIsRTL(sizeObserver);\r\n scrollLeft(\r\n sizeObserver,\r\n rtl\r\n ? rtlScrollBehavior.n\r\n ? -scrollAmount\r\n : rtlScrollBehavior.i\r\n ? 0\r\n : scrollAmount\r\n : scrollAmount\r\n );\r\n scrollTop(sizeObserver, scrollAmount);\r\n }\r\n\r\n if (!skip) {\r\n onSizeChangedCallback({\r\n _sizeChanged: !hasDirectionCache,\r\n _directionIsRTLCache: hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)\r\n : undefined,\r\n _appear: !!appear,\r\n });\r\n }\r\n };\r\n const offListeners: (() => void)[] = [];\r\n let appearCallback: ((...args: any) => any) | false = observeAppearChange\r\n ? onSizeChangedCallbackProxy\r\n : false;\r\n let directionIsRTLCache: Cache | undefined;\r\n\r\n if (ResizeObserverConstructor) {\r\n const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);\r\n resizeObserverInstance.observe(listenerElement);\r\n push(offListeners, () => {\r\n resizeObserverInstance.disconnect();\r\n });\r\n } else if (sizeObserverPlugin) {\r\n const [pluginAppearCallback, pluginOffListeners] = sizeObserverPlugin._(\r\n listenerElement,\r\n onSizeChangedCallbackProxy,\r\n observeAppearChange\r\n );\r\n appearCallback = pluginAppearCallback;\r\n push(offListeners, pluginOffListeners);\r\n }\r\n\r\n if (observeDirectionChange) {\r\n directionIsRTLCache = createCache(\r\n {\r\n _initialValue: !getIsDirectionRTL(), // invert current value to trigger initial change\r\n },\r\n getIsDirectionRTL\r\n );\r\n const [updateDirectionIsRTLCache] = directionIsRTLCache;\r\n\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'scroll', (event: Event) => {\r\n const directionIsRTLCacheValues = updateDirectionIsRTLCache();\r\n const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;\r\n\r\n if (directionIsRTLChanged) {\r\n removeClass(listenerElement, 'ltr rtl');\r\n if (directionIsRTL) {\r\n addClass(listenerElement, 'rtl');\r\n } else {\r\n addClass(listenerElement, 'ltr');\r\n }\r\n onSizeChangedCallbackProxy(directionIsRTLCacheValues);\r\n }\r\n\r\n stopPropagation(event);\r\n })\r\n );\r\n }\r\n\r\n // appearCallback is always needed on scroll-observer strategy to reset it\r\n if (appearCallback) {\r\n addClass(sizeObserver, classNameSizeObserverAppear);\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'animationstart', appearCallback, {\r\n // Fire only once for \"CSS is ready\" event if ResizeObserver strategy is used\r\n _once: !!ResizeObserverConstructor,\r\n })\r\n );\r\n }\r\n\r\n prependChildren(target, sizeObserver);\r\n\r\n return () => {\r\n runEachAndClear(offListeners);\r\n removeElements(sizeObserver);\r\n };\r\n};\r\n","import {\r\n WH,\r\n CacheValues,\r\n createDiv,\r\n offsetSize,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n createCache,\r\n push,\r\n IntersectionObserverConstructor,\r\n} from 'support';\r\nimport { createSizeObserver } from 'observers/sizeObserver';\r\nimport { classNameTrinsicObserver } from 'classnames';\r\n\r\nexport type TrinsicObserverCallback = (heightIntrinsic: CacheValues) => any;\r\nexport type TrinsicObserver = [\r\n destroy: () => void,\r\n update: () => void | Parameters\r\n];\r\n\r\nconst isHeightIntrinsic = (ioEntryOrSize: IntersectionObserverEntry | WH): boolean =>\r\n (ioEntryOrSize as WH).h === 0 ||\r\n (ioEntryOrSize as IntersectionObserverEntry).isIntersecting ||\r\n (ioEntryOrSize as IntersectionObserverEntry).intersectionRatio > 0;\r\n\r\n/**\r\n * Creates a trinsic observer which observes changes to intrinsic or extrinsic sizing for the height of the target element.\r\n * @param target The element which shall be observed.\r\n * @param onTrinsicChangedCallback The callback which gets called after a change was detected.\r\n * @returns A object which represents the instance of the trinsic observer.\r\n */\r\nexport const createTrinsicObserver = (\r\n target: HTMLElement,\r\n onTrinsicChangedCallback: TrinsicObserverCallback\r\n): TrinsicObserver => {\r\n let intersectionObserverInstance: undefined | IntersectionObserver;\r\n const trinsicObserver = createDiv(classNameTrinsicObserver);\r\n const offListeners: (() => void)[] = [];\r\n const [updateHeightIntrinsicCache] = createCache({\r\n _initialValue: false,\r\n });\r\n const triggerOnTrinsicChangedCallback = (\r\n updateValue?: IntersectionObserverEntry | WH,\r\n fromRecords?: true\r\n ): void | Parameters => {\r\n if (updateValue) {\r\n const heightIntrinsic = updateHeightIntrinsicCache(isHeightIntrinsic(updateValue));\r\n const [, heightIntrinsicChanged] = heightIntrinsic;\r\n\r\n if (heightIntrinsicChanged) {\r\n !fromRecords && onTrinsicChangedCallback(heightIntrinsic);\r\n return [heightIntrinsic];\r\n }\r\n }\r\n };\r\n const intersectionObserverCallback = (\r\n entries: IntersectionObserverEntry[],\r\n fromRecords?: true\r\n ) => {\r\n if (entries && entries.length > 0) {\r\n return triggerOnTrinsicChangedCallback(entries.pop(), fromRecords);\r\n }\r\n };\r\n\r\n if (IntersectionObserverConstructor) {\r\n intersectionObserverInstance = new IntersectionObserverConstructor(\r\n (entries) => intersectionObserverCallback(entries),\r\n { root: target }\r\n );\r\n intersectionObserverInstance.observe(trinsicObserver);\r\n push(offListeners, () => {\r\n intersectionObserverInstance!.disconnect();\r\n });\r\n } else {\r\n const onSizeChanged = () => {\r\n const newSize = offsetSize(trinsicObserver);\r\n triggerOnTrinsicChangedCallback(newSize);\r\n };\r\n push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged));\r\n onSizeChanged();\r\n }\r\n\r\n prependChildren(target, trinsicObserver);\r\n\r\n return [\r\n () => {\r\n runEachAndClear(offListeners);\r\n removeElements(trinsicObserver);\r\n },\r\n () => {\r\n if (intersectionObserverInstance) {\r\n return intersectionObserverCallback(intersectionObserverInstance.takeRecords(), true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n each,\r\n noop,\r\n debounce,\r\n indexOf,\r\n isString,\r\n MutationObserverConstructor,\r\n isEmptyArray,\r\n on,\r\n attr,\r\n is,\r\n find,\r\n push,\r\n} from 'support';\r\n\r\ntype DOMContentObserverCallback = (contentChangedTroughEvent: boolean) => any;\r\n\r\ntype DOMTargetObserverCallback = (targetChangedAttrs: string[], targetStyleChanged: boolean) => any;\r\n\r\ninterface DOMObserverOptionsBase {\r\n _attributes?: string[];\r\n _styleChangingAttributes?: string[];\r\n /**\r\n * A function which can ignore a changed attribute if it returns true.\r\n * for DOMTargetObserver this applies to the changes to the observed target\r\n * for DOMContentObserver this applies to changes to nested targets -> nested targets are elements which match the \"_nestedTargetSelector\" selector\r\n */\r\n _ignoreTargetChange?: DOMObserverIgnoreTargetChange;\r\n}\r\n\r\ninterface DOMContentObserverOptions extends DOMObserverOptionsBase {\r\n _eventContentChange?: DOMObserverEventContentChange; // [selector, eventname(s) | function returning eventname(s)] -> eventnames divided by whitespaces\r\n _nestedTargetSelector?: string;\r\n _ignoreContentChange?: DOMObserverIgnoreContentChange; // function which will prevent marking certain dom changes as content change if it returns true\r\n}\r\n\r\ntype DOMTargetObserverOptions = DOMObserverOptionsBase;\r\n\r\ntype ContentChangeArrayItem = [selector?: string, eventNames?: string] | null | undefined;\r\n\r\nexport type DOMObserverEventContentChange =\r\n | Array\r\n | false\r\n | null\r\n | undefined;\r\n\r\nexport type DOMObserverIgnoreContentChange = (\r\n mutation: MutationRecord,\r\n isNestedTarget: boolean,\r\n domObserverTarget: HTMLElement,\r\n domObserverOptions?: DOMContentObserverOptions\r\n) => boolean;\r\n\r\nexport type DOMObserverIgnoreTargetChange = (\r\n target: Node,\r\n attributeName: string,\r\n oldAttributeValue: string | null,\r\n newAttributeValue: string | null\r\n) => boolean;\r\n\r\nexport type DOMObserverCallback = ContentObserver extends true\r\n ? DOMContentObserverCallback\r\n : DOMTargetObserverCallback;\r\n\r\nexport type DOMObserverOptions = ContentObserver extends true\r\n ? DOMContentObserverOptions\r\n : DOMTargetObserverOptions;\r\n\r\nexport type DOMObserver = [\r\n destroy: () => void,\r\n update: () => void | false | Parameters>\r\n];\r\n\r\ntype EventContentChangeUpdateElement = (getElements?: (selector: string) => Node[]) => void;\r\ntype EventContentChange = [destroy: () => void, updateElements: EventContentChangeUpdateElement];\r\n\r\n/**\r\n * Creates a set of helper functions to observe events of elements inside the target element.\r\n * @param target The target element of which the children elements shall be observed. (not only direct children but also nested ones)\r\n * @param eventContentChange The event content change array. (array of tuples: selector and eventname(s))\r\n * @param callback Callback which is called if one of the elements emits the corresponding event.\r\n * @returns A object which contains a set of helper functions to destroy and update the observation of elements.\r\n */\r\nconst createEventContentChange = (\r\n target: Element,\r\n callback: (...args: any) => any,\r\n eventContentChange?: DOMObserverEventContentChange\r\n): EventContentChange => {\r\n let map: WeakMap any]> | undefined; // weak map to prevent memory leak for detached elements\r\n let destroyed = false;\r\n const destroy = () => {\r\n destroyed = true;\r\n };\r\n const updateElements: EventContentChangeUpdateElement = (getElements?) => {\r\n if (eventContentChange) {\r\n const eventElmList = eventContentChange.reduce>((arr, item) => {\r\n if (item) {\r\n const selector = item[0];\r\n const eventNames = item[1];\r\n const elements =\r\n eventNames &&\r\n selector &&\r\n (getElements ? getElements(selector) : find(selector, target));\r\n\r\n if (elements && elements.length && eventNames && isString(eventNames)) {\r\n push(arr, [elements, eventNames.trim()], true);\r\n }\r\n }\r\n return arr;\r\n }, []);\r\n\r\n each(eventElmList, (item) =>\r\n each(item[0], (elm) => {\r\n const eventNames = item[1];\r\n const entry = map!.get(elm);\r\n\r\n if (entry) {\r\n const entryEventNames = entry[0];\r\n const entryOff = entry[1];\r\n\r\n // in case an already registered element is registered again, unregister the previous events\r\n if (entryEventNames === eventNames) {\r\n entryOff();\r\n }\r\n }\r\n\r\n const off = on(elm, eventNames, (event: Event) => {\r\n if (destroyed) {\r\n off();\r\n map!.delete(elm);\r\n } else {\r\n callback(event);\r\n }\r\n });\r\n map!.set(elm, [eventNames, off]);\r\n })\r\n );\r\n }\r\n };\r\n\r\n if (eventContentChange) {\r\n map = new WeakMap();\r\n updateElements();\r\n }\r\n\r\n return [destroy, updateElements];\r\n};\r\n\r\n/**\r\n * Creates a DOM observer which observes DOM changes to either the target element or its children.\r\n * @param target The element which shall be observed.\r\n * @param isContentObserver Whether this observer is just observing the target or just the targets children. (not only direct children but also nested ones)\r\n * @param callback The callback which gets called if a change was detected.\r\n * @param options The options for DOM change detection.\r\n * @returns A object which represents the instance of the DOM observer.\r\n */\r\nexport const createDOMObserver = (\r\n target: HTMLElement,\r\n isContentObserver: ContentObserver,\r\n callback: DOMObserverCallback,\r\n options?: DOMObserverOptions\r\n): DOMObserver => {\r\n let isConnected = false;\r\n const {\r\n _attributes,\r\n _styleChangingAttributes,\r\n _eventContentChange,\r\n _nestedTargetSelector,\r\n _ignoreTargetChange,\r\n _ignoreContentChange,\r\n } = (options as DOMContentObserverOptions & DOMTargetObserverOptions) || {};\r\n const debouncedEventContentChange = debounce(\r\n () => {\r\n if (isConnected) {\r\n (callback as DOMContentObserverCallback)(true);\r\n }\r\n },\r\n { _timeout: 33, _maxDelay: 99 }\r\n );\r\n const [destroyEventContentChange, updateEventContentChangeElements] = createEventContentChange(\r\n target,\r\n debouncedEventContentChange,\r\n _eventContentChange\r\n );\r\n\r\n // MutationObserver\r\n const finalAttributes = _attributes || [];\r\n const finalStyleChangingAttributes = _styleChangingAttributes || [];\r\n const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);\r\n const observerCallback = (\r\n mutations: MutationRecord[],\r\n fromRecords?: true\r\n ): void | Parameters> => {\r\n const ignoreTargetChange = _ignoreTargetChange || noop;\r\n const ignoreContentChange = _ignoreContentChange || noop;\r\n const targetChangedAttrs: string[] = [];\r\n const totalAddedNodes: Node[] = [];\r\n let targetStyleChanged = false;\r\n let contentChanged = false;\r\n let childListChanged = false;\r\n each(mutations, (mutation) => {\r\n const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;\r\n const isAttributesType = type === 'attributes';\r\n const isChildListType = type === 'childList';\r\n const targetIsMutationTarget = target === mutationTarget;\r\n const attributeValue =\r\n isAttributesType && isString(attributeName)\r\n ? attr(mutationTarget as HTMLElement, attributeName!)\r\n : 0;\r\n const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;\r\n const styleChangingAttrChanged =\r\n indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;\r\n\r\n // if is content observer and something changed in children\r\n if (isContentObserver && !targetIsMutationTarget) {\r\n const notOnlyAttrChanged = !isAttributesType;\r\n const contentAttrChanged = isAttributesType && styleChangingAttrChanged;\r\n const isNestedTarget =\r\n contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);\r\n const baseAssertion = isNestedTarget\r\n ? !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n : notOnlyAttrChanged || contentAttrChanged;\r\n const contentFinalChanged =\r\n baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);\r\n\r\n push(totalAddedNodes, addedNodes);\r\n\r\n contentChanged = contentChanged || contentFinalChanged;\r\n childListChanged = childListChanged || isChildListType;\r\n }\r\n // if is target observer and target attr changed\r\n if (\r\n !isContentObserver &&\r\n targetIsMutationTarget &&\r\n attributeChanged &&\r\n !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n ) {\r\n push(targetChangedAttrs, attributeName!);\r\n targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;\r\n }\r\n });\r\n\r\n if (childListChanged && !isEmptyArray(totalAddedNodes)) {\r\n // adds / removes the new elements from the event content change\r\n updateEventContentChangeElements((selector) =>\r\n totalAddedNodes.reduce((arr, node) => {\r\n push(arr, find(selector, node));\r\n return is(node, selector) ? push(arr, node) : arr;\r\n }, [])\r\n );\r\n }\r\n\r\n if (isContentObserver) {\r\n !fromRecords && contentChanged && (callback as DOMContentObserverCallback)(false);\r\n return [false] as Parameters>;\r\n }\r\n if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {\r\n !fromRecords &&\r\n (callback as DOMTargetObserverCallback)(targetChangedAttrs, targetStyleChanged);\r\n return [targetChangedAttrs, targetStyleChanged] as Parameters<\r\n DOMObserverCallback\r\n >;\r\n }\r\n };\r\n const mutationObserver: MutationObserver = new MutationObserverConstructor!((mutations) =>\r\n observerCallback(mutations)\r\n );\r\n\r\n // Connect\r\n mutationObserver.observe(target, {\r\n attributes: true,\r\n attributeOldValue: true,\r\n attributeFilter: observedAttributes,\r\n subtree: isContentObserver,\r\n childList: isContentObserver,\r\n characterData: isContentObserver,\r\n });\r\n isConnected = true;\r\n\r\n return [\r\n () => {\r\n if (isConnected) {\r\n destroyEventContentChange();\r\n mutationObserver.disconnect();\r\n isConnected = false;\r\n }\r\n },\r\n () => {\r\n if (isConnected) {\r\n debouncedEventContentChange._flush();\r\n\r\n const records = mutationObserver.takeRecords();\r\n return !isEmptyArray(records) && observerCallback(records, true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n debounce,\r\n isArray,\r\n isNumber,\r\n each,\r\n indexOf,\r\n isString,\r\n attr,\r\n removeAttr,\r\n CacheValues,\r\n keys,\r\n liesBetween,\r\n scrollSize,\r\n equalWH,\r\n createCache,\r\n WH,\r\n fractionalSize,\r\n isFunction,\r\n ResizeObserverConstructor,\r\n closest,\r\n assignDeep,\r\n push,\r\n scrollLeft,\r\n scrollTop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n dataAttributeHost,\r\n dataValueHostOverflowVisible,\r\n classNameViewport,\r\n classNameOverflowVisible,\r\n classNameScrollbar,\r\n classNameViewportArrange,\r\n} from 'classnames';\r\nimport { createSizeObserver, SizeObserverCallbackParams } from 'observers/sizeObserver';\r\nimport { createTrinsicObserver } from 'observers/trinsicObserver';\r\nimport { createDOMObserver, DOMObserver } from 'observers/domObserver';\r\nimport type { SetupState, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n StructureSetupUpdate,\r\n StructureSetupUpdateHints,\r\n} from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport type StructureSetupObserversUpdate = (checkOption: SetupUpdateCheckOption) => void;\r\n\r\nexport type StructureSetupObservers = [\r\n destroy: () => void,\r\n updateObservers: () => Partial,\r\n updateObserversOptions: StructureSetupObserversUpdate\r\n];\r\n\r\ntype ExcludeFromTuple = T extends [infer F, ...infer R]\r\n ? [F] extends [E]\r\n ? ExcludeFromTuple\r\n : [F, ...ExcludeFromTuple]\r\n : [];\r\n\r\nconst hostSelector = `[${dataAttributeHost}]`;\r\n\r\n// TODO: observer textarea attrs if textarea\r\n\r\nconst viewportSelector = `.${classNameViewport}`;\r\nconst viewportAttrsFromTarget = ['tabindex'];\r\nconst baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];\r\nconst baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];\r\n\r\nexport const createStructureSetupObservers = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState,\r\n structureSetupUpdate: (\r\n ...args: ExcludeFromTuple, Parameters[0]>\r\n ) => any\r\n): StructureSetupObservers => {\r\n let debounceTimeout: number | false | undefined;\r\n let debounceMaxDelay: number | false | undefined;\r\n let contentMutationObserver: DOMObserver | undefined;\r\n const [, setState] = state;\r\n const {\r\n _host,\r\n _viewport,\r\n _content,\r\n _isTextarea,\r\n _viewportIsTarget,\r\n _viewportHasClass,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n\r\n const [updateContentSizeCache] = createCache>(\r\n {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n },\r\n () => {\r\n const hasOver = _viewportHasClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n const hasVpStyle = _viewportHasClass(classNameViewportArrange, '');\r\n const scrollOffsetX = hasVpStyle && scrollLeft(_viewport);\r\n const scrollOffsetY = hasVpStyle && scrollTop(_viewport);\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n _viewportAddRemoveClass(classNameViewportArrange, '');\r\n\r\n const contentScroll = scrollSize(_content);\r\n const viewportScroll = scrollSize(_viewport);\r\n const fractional = fractionalSize(_viewport);\r\n\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, hasOver);\r\n _viewportAddRemoveClass(classNameViewportArrange, '', hasVpStyle);\r\n scrollLeft(_viewport, scrollOffsetX);\r\n scrollTop(_viewport, scrollOffsetY);\r\n return {\r\n w: viewportScroll.w + contentScroll.w + fractional.w,\r\n h: viewportScroll.h + contentScroll.h + fractional.h,\r\n };\r\n }\r\n );\r\n const contentMutationObserverAttr = _isTextarea\r\n ? baseStyleChangingAttrsTextarea\r\n : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);\r\n const structureSetupUpdateWithDebouncedAdaptiveUpdateHints = debounce(structureSetupUpdate, {\r\n _timeout: () => debounceTimeout,\r\n _maxDelay: () => debounceMaxDelay,\r\n _mergeParams(prev, curr) {\r\n const [prevObj] = prev;\r\n const [currObj] = curr;\r\n return [\r\n keys(prevObj)\r\n .concat(keys(currObj))\r\n .reduce((obj, key) => {\r\n obj[key] = prevObj[key] || currObj[key];\r\n return obj;\r\n }, {}),\r\n ] as [Partial];\r\n },\r\n });\r\n\r\n const updateViewportAttrsFromHost = (attributes?: string[]) => {\r\n each(attributes || viewportAttrsFromTarget, (attribute) => {\r\n if (indexOf(viewportAttrsFromTarget, attribute) > -1) {\r\n const hostAttr = attr(_host, attribute);\r\n if (isString(hostAttr)) {\r\n attr(_viewport, attribute, hostAttr);\r\n } else {\r\n removeAttr(_viewport, attribute);\r\n }\r\n }\r\n });\r\n };\r\n const onTrinsicChanged = (heightIntrinsicCache: CacheValues, fromRecords?: true) => {\r\n const [heightIntrinsic, heightIntrinsicChanged] = heightIntrinsicCache;\r\n const updateHints: Partial = {\r\n _heightIntrinsicChanged: heightIntrinsicChanged,\r\n };\r\n setState({ _heightIntrinsic: heightIntrinsic });\r\n !fromRecords && structureSetupUpdate(updateHints);\r\n return updateHints;\r\n };\r\n const onSizeChanged = ({\r\n _sizeChanged,\r\n _directionIsRTLCache,\r\n _appear,\r\n }: SizeObserverCallbackParams) => {\r\n const updateFn =\r\n !_sizeChanged || _appear\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n let directionChanged = false;\r\n if (_directionIsRTLCache) {\r\n const [directionIsRTL, directionIsRTLChanged] = _directionIsRTLCache;\r\n directionChanged = directionIsRTLChanged;\r\n setState({ _directionIsRTL: directionIsRTL });\r\n }\r\n\r\n updateFn({ _sizeChanged, _directionChanged: directionChanged });\r\n };\r\n const onContentMutation = (contentChangedTroughEvent: boolean, fromRecords?: true) => {\r\n const [, contentSizeChanged] = updateContentSizeCache();\r\n const updateHints: Partial = {\r\n _contentMutation: contentSizeChanged,\r\n };\r\n // if contentChangedTroughEvent is true its already debounced\r\n const updateFn = contentChangedTroughEvent\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n if (contentSizeChanged) {\r\n !fromRecords && updateFn(updateHints);\r\n }\r\n return updateHints;\r\n };\r\n const onHostMutation = (\r\n targetChangedAttrs: string[],\r\n targetStyleChanged: boolean,\r\n fromRecords?: true\r\n ) => {\r\n const updateHints: Partial = { _hostMutation: targetStyleChanged };\r\n if (targetStyleChanged) {\r\n !fromRecords && structureSetupUpdateWithDebouncedAdaptiveUpdateHints(updateHints);\r\n } else if (!_viewportIsTarget) {\r\n updateViewportAttrsFromHost(targetChangedAttrs);\r\n }\r\n return updateHints;\r\n };\r\n\r\n const trinsicObserver =\r\n (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);\r\n const destroySizeObserver =\r\n !_viewportIsTarget &&\r\n createSizeObserver(_host, onSizeChanged, {\r\n _appear: true,\r\n _direction: !_nativeScrollbarStyling,\r\n });\r\n const [destroyHostMutationObserver, updateHostMutationObserver] = createDOMObserver(\r\n _host,\r\n false,\r\n onHostMutation,\r\n {\r\n _styleChangingAttributes: baseStyleChangingAttrs,\r\n _attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),\r\n }\r\n );\r\n\r\n const viewportIsTargetResizeObserver =\r\n _viewportIsTarget &&\r\n new ResizeObserverConstructor!(onSizeChanged.bind(0, { _sizeChanged: true }));\r\n\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.observe(_host);\r\n updateViewportAttrsFromHost();\r\n\r\n return [\r\n () => {\r\n contentMutationObserver && contentMutationObserver[0](); // destroy\r\n trinsicObserver && trinsicObserver[0](); // destroy\r\n destroySizeObserver && destroySizeObserver();\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.disconnect();\r\n destroyHostMutationObserver();\r\n },\r\n () => {\r\n const updateHints: Partial = {};\r\n const hostUpdateResult = updateHostMutationObserver();\r\n const contentUpdateResult = contentMutationObserver && contentMutationObserver[1](); // update\r\n const trinsicUpdateResult = trinsicObserver && trinsicObserver[1](); // update\r\n\r\n if (hostUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onHostMutation.apply(\r\n 0,\r\n push(hostUpdateResult, true) as [\r\n ...updateResult: typeof hostUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (contentUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onContentMutation.apply(\r\n 0,\r\n push(contentUpdateResult, true) as [\r\n ...updateResult: typeof contentUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (trinsicUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onTrinsicChanged.apply(\r\n 0,\r\n push(trinsicUpdateResult as any[], true) as [\r\n ...updateResult: typeof trinsicUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n\r\n return updateHints;\r\n },\r\n (checkOption) => {\r\n const [ignoreMutation] = checkOption('updating.ignoreMutation');\r\n const [attributes, attributesChanged] = checkOption('updating.attributes');\r\n const [elementEvents, elementEventsChanged] = checkOption | null>(\r\n 'updating.elementEvents'\r\n );\r\n const [debounceValue, debounceChanged] = checkOption | number | null>(\r\n 'updating.debounce'\r\n );\r\n const updateContentMutationObserver = elementEventsChanged || attributesChanged;\r\n const ignoreMutationFromOptions = (mutation: MutationRecord) =>\r\n isFunction(ignoreMutation) && ignoreMutation(mutation);\r\n\r\n if (updateContentMutationObserver) {\r\n if (contentMutationObserver) {\r\n contentMutationObserver[1](); // update\r\n contentMutationObserver[0](); // destroy\r\n }\r\n contentMutationObserver = createDOMObserver(\r\n _content || _viewport,\r\n true,\r\n onContentMutation,\r\n {\r\n _styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),\r\n _attributes: contentMutationObserverAttr.concat(attributes || []),\r\n _eventContentChange: elementEvents,\r\n _nestedTargetSelector: hostSelector,\r\n _ignoreContentChange: (mutation, isNestedTarget) => {\r\n const { target, attributeName } = mutation;\r\n const ignore =\r\n !isNestedTarget && attributeName\r\n ? liesBetween(target, hostSelector, viewportSelector)\r\n : false;\r\n return (\r\n ignore ||\r\n !!closest(target, `.${classNameScrollbar}`) || // ignore explicitely all scrollbar elements\r\n !!ignoreMutationFromOptions(mutation)\r\n );\r\n },\r\n }\r\n );\r\n }\r\n\r\n if (debounceChanged) {\r\n structureSetupUpdateWithDebouncedAdaptiveUpdateHints._flush();\r\n if (isArray(debounceValue)) {\r\n const timeout = debounceValue[0];\r\n const maxWait = debounceValue[1];\r\n debounceTimeout = isNumber(timeout) ? timeout : false;\r\n debounceMaxDelay = isNumber(maxWait) ? maxWait : false;\r\n } else if (isNumber(debounceValue)) {\r\n debounceTimeout = debounceValue;\r\n debounceMaxDelay = false;\r\n } else {\r\n debounceTimeout = false;\r\n debounceMaxDelay = false;\r\n }\r\n }\r\n },\r\n ];\r\n};\r\n","import { createEventListenerHub, isEmptyObject, keys } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport { createStructureSetupElements } from 'setups/structureSetup/structureSetup.elements';\r\nimport { createStructureSetupUpdate } from 'setups/structureSetup/structureSetup.update';\r\nimport { createStructureSetupObservers } from 'setups/structureSetup/structureSetup.observers';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type { TRBL, XY, EventListener } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { Setup } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { PartialOptions, StyleObject, OverflowStyle } from 'typings';\r\n\r\nexport interface StructureSetupState {\r\n _padding: TRBL;\r\n _paddingAbsolute: boolean;\r\n _viewportPaddingStyle: StyleObject;\r\n _overflowEdge: XY;\r\n _overflowAmount: XY;\r\n _overflowStyle: XY;\r\n _hasOverflow: XY;\r\n _heightIntrinsic: boolean;\r\n _directionIsRTL: boolean;\r\n}\r\n\r\nexport interface StructureSetupStaticState {\r\n _elements: StructureSetupElementsObj;\r\n _appendElements: () => void;\r\n _addOnUpdatedListener: (listener: EventListener) => void;\r\n}\r\n\r\ntype StructureSetupEventMap = {\r\n u: [\r\n updateHints: StructureSetupUpdateHints,\r\n changedOptions: PartialOptions,\r\n force: boolean\r\n ];\r\n};\r\n\r\nconst initialXYNumber = { x: 0, y: 0 };\r\nconst initialStructureSetupUpdateState: StructureSetupState = {\r\n _padding: {\r\n t: 0,\r\n r: 0,\r\n b: 0,\r\n l: 0,\r\n },\r\n _paddingAbsolute: false,\r\n _viewportPaddingStyle: {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n paddingTop: 0,\r\n paddingRight: 0,\r\n paddingBottom: 0,\r\n paddingLeft: 0,\r\n },\r\n _overflowEdge: initialXYNumber,\r\n _overflowAmount: initialXYNumber,\r\n _overflowStyle: {\r\n x: 'hidden',\r\n y: 'hidden',\r\n },\r\n _hasOverflow: {\r\n x: false,\r\n y: false,\r\n },\r\n _heightIntrinsic: false,\r\n _directionIsRTL: false,\r\n};\r\n\r\nexport const createStructureSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions\r\n): Setup => {\r\n const checkOptionsFallback = createOptionCheck(options, {});\r\n const state = createState(initialStructureSetupUpdateState);\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub();\r\n const [getState] = state;\r\n const [elements, appendElements, destroyElements] = createStructureSetupElements(target);\r\n const updateStructure = createStructureSetupUpdate(elements, state);\r\n const triggerUpdateEvent: (...args: StructureSetupEventMap['u']) => void = (\r\n updateHints,\r\n changedOptions,\r\n force\r\n ) => {\r\n const truthyUpdateHints = keys(updateHints).some((key) => updateHints[key]);\r\n\r\n if (truthyUpdateHints || !isEmptyObject(changedOptions) || force) {\r\n triggerEvent('u', [updateHints, changedOptions, force]);\r\n }\r\n };\r\n const [destroyObservers, updateObservers, updateObserversOptions] = createStructureSetupObservers(\r\n elements,\r\n state,\r\n (updateHints) => {\r\n triggerUpdateEvent(updateStructure(checkOptionsFallback, updateHints), {}, false);\r\n }\r\n );\r\n\r\n const structureSetupState = getState.bind(0) as (() => StructureSetupState) &\r\n StructureSetupStaticState;\r\n structureSetupState._addOnUpdatedListener = (listener) => {\r\n addEvent('u', listener);\r\n };\r\n structureSetupState._appendElements = appendElements;\r\n structureSetupState._elements = elements;\r\n\r\n return [\r\n (changedOptions, force?) => {\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n updateObserversOptions(checkOption);\r\n triggerUpdateEvent(\r\n updateStructure(checkOption, updateObservers(), force),\r\n changedOptions,\r\n !!force\r\n );\r\n },\r\n structureSetupState,\r\n () => {\r\n removeEvent();\r\n destroyObservers();\r\n destroyElements();\r\n },\r\n ];\r\n};\r\n","import {\r\n addClass,\r\n appendChildren,\r\n createDiv,\r\n each,\r\n isEmptyArray,\r\n noop,\r\n on,\r\n push,\r\n removeClass,\r\n removeElements,\r\n runEachAndClear,\r\n setT,\r\n stopPropagation,\r\n style,\r\n} from 'support';\r\nimport {\r\n classNameScrollbar,\r\n classNameScrollbarHorizontal,\r\n classNameScrollbarVertical,\r\n classNameScrollbarTrack,\r\n classNameScrollbarHandle,\r\n classNamesScrollbarInteraction,\r\n classNamesScrollbarTransitionless,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { dynamicInitializationElement as generalDynamicInitializationElement } from 'initialization';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n ScrollbarsDynamicInitializationElement,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.initialization';\r\nimport { StyleObject } from 'typings';\r\n\r\nexport interface ScrollbarStructure {\r\n _scrollbar: HTMLElement;\r\n _track: HTMLElement;\r\n _handle: HTMLElement;\r\n}\r\n\r\nexport interface ScrollbarsSetupElement {\r\n _scrollbarStructures: ScrollbarStructure[];\r\n _clone: () => ScrollbarStructure;\r\n _addRemoveClass: (\r\n classNames: string | false | null | undefined,\r\n add?: boolean,\r\n elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined\r\n ) => void;\r\n _handleStyle: (\r\n elmStyle: (\r\n scrollbarStructure: ScrollbarStructure\r\n ) => [HTMLElement | false | null | undefined, StyleObject]\r\n ) => void;\r\n // _removeClass: (classNames: string) => void;\r\n /*\r\n _addEventListener: () => void;\r\n _removeEventListener: () => void;\r\n */\r\n}\r\n\r\nexport interface ScrollbarsSetupElementsObj {\r\n _horizontal: ScrollbarsSetupElement;\r\n _vertical: ScrollbarsSetupElement;\r\n}\r\n\r\nexport type ScrollbarsSetupElements = [\r\n elements: ScrollbarsSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nconst interactionStartEventNames = 'touchstart mouseenter';\r\nconst interactionEndEventNames = 'touchend touchcancel mouseleave';\r\nconst stopRootClickPropagation = (scrollbar: HTMLElement, documentElm: Document) =>\r\n on(\r\n scrollbar,\r\n 'mousedown',\r\n on.bind(0, documentElm, 'click', stopPropagation, { _once: true, _capture: true }),\r\n { _capture: true }\r\n );\r\n\r\nexport const createScrollbarsSetupElements = (\r\n target: InitializationTarget,\r\n structureSetupElements: StructureSetupElementsObj\r\n): ScrollbarsSetupElements => {\r\n const { _getInitializationStrategy } = getEnvironment();\r\n const { scrollbarsSlot: environmentScrollbarSlot } =\r\n _getInitializationStrategy() as ScrollbarsInitializationStrategy;\r\n const { _documentElm, _target, _host, _viewport, _targetIsElm } = structureSetupElements;\r\n const initializationScrollbarSlot = _targetIsElm\r\n ? null\r\n : (target as ScrollbarsInitialization).scrollbarsSlot;\r\n const evaluatedScrollbarSlot =\r\n generalDynamicInitializationElement(\r\n [_target, _host, _viewport],\r\n () => _host,\r\n environmentScrollbarSlot,\r\n initializationScrollbarSlot\r\n );\r\n const scrollbarsAddRemoveClass = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n classNames: string | false | null | undefined,\r\n add?: boolean,\r\n elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined\r\n ) => {\r\n const action = add ? addClass : removeClass;\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n action((elm || noop)(scrollbarStructure) || scrollbarStructure._scrollbar, classNames);\r\n });\r\n };\r\n const scrollbarsHandleStyle = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n elmStyle: (\r\n scrollbarStructure: ScrollbarStructure\r\n ) => [HTMLElement | false | null | undefined, StyleObject]\r\n ) => {\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n const [elm, styles] = elmStyle(scrollbarStructure);\r\n style(elm, styles);\r\n });\r\n };\r\n const destroyFns: (() => void)[] = [];\r\n const horizontalScrollbars: ScrollbarStructure[] = [];\r\n const verticalScrollbars: ScrollbarStructure[] = [];\r\n\r\n const addRemoveClassHorizontal = scrollbarsAddRemoveClass.bind(0, horizontalScrollbars);\r\n const addRemoveClassVertical = scrollbarsAddRemoveClass.bind(0, verticalScrollbars);\r\n const generateScrollbarDOM = (horizontal?: boolean): ScrollbarStructure => {\r\n const scrollbarClassName = horizontal\r\n ? classNameScrollbarHorizontal\r\n : classNameScrollbarVertical;\r\n const arrToPush = horizontal ? horizontalScrollbars : verticalScrollbars;\r\n const transitionlessClass = isEmptyArray(arrToPush) ? classNamesScrollbarTransitionless : '';\r\n const scrollbar = createDiv(\r\n `${classNameScrollbar} ${scrollbarClassName} ${transitionlessClass}`\r\n );\r\n const track = createDiv(classNameScrollbarTrack);\r\n const handle = createDiv(classNameScrollbarHandle);\r\n const result = {\r\n _scrollbar: scrollbar,\r\n _track: track,\r\n _handle: handle,\r\n };\r\n\r\n appendChildren(scrollbar, track);\r\n appendChildren(track, handle);\r\n\r\n push(arrToPush, result);\r\n push(destroyFns, [\r\n removeElements.bind(0, scrollbar),\r\n on(scrollbar, interactionStartEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction, true);\r\n addRemoveClassVertical(classNamesScrollbarInteraction, true);\r\n }),\r\n on(scrollbar, interactionEndEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction);\r\n addRemoveClassVertical(classNamesScrollbarInteraction);\r\n }),\r\n stopRootClickPropagation(scrollbar, _documentElm),\r\n ]);\r\n\r\n return result;\r\n };\r\n const generateHorizontalScrollbarStructure = generateScrollbarDOM.bind(0, true);\r\n const generateVerticalScrollbarStructure = generateScrollbarDOM.bind(0, false);\r\n const appendElements = () => {\r\n appendChildren(evaluatedScrollbarSlot, horizontalScrollbars[0]._scrollbar);\r\n appendChildren(evaluatedScrollbarSlot, verticalScrollbars[0]._scrollbar);\r\n\r\n setT(() => {\r\n addRemoveClassHorizontal(classNamesScrollbarTransitionless);\r\n addRemoveClassVertical(classNamesScrollbarTransitionless);\r\n }, 300);\r\n };\r\n\r\n generateHorizontalScrollbarStructure();\r\n generateVerticalScrollbarStructure();\r\n\r\n return [\r\n {\r\n _horizontal: {\r\n _scrollbarStructures: horizontalScrollbars,\r\n _clone: generateHorizontalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassHorizontal,\r\n _handleStyle: scrollbarsHandleStyle.bind(0, horizontalScrollbars),\r\n },\r\n _vertical: {\r\n _scrollbarStructures: verticalScrollbars,\r\n _clone: generateVerticalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassVertical,\r\n _handleStyle: scrollbarsHandleStyle.bind(0, verticalScrollbars),\r\n },\r\n },\r\n appendElements,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { rAF, cAF, isFunction, on, runEachAndClear, setT, clearT } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport {\r\n createScrollbarsSetupElements,\r\n ScrollbarsSetupElement,\r\n ScrollbarsSetupElementsObj,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.elements';\r\nimport {\r\n classNamesScrollbarVisible,\r\n classNamesScrollbarCornerless,\r\n classNamesScrollbarAutoHidden,\r\n} from 'classnames';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type {\r\n ReadonlyOSOptions,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport type { Setup, StructureSetupState, StructureSetupStaticState } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { OverflowStyle, StyleObject } from 'typings';\r\n\r\n// eslint-disable-next-line @typescript-eslint/no-empty-interface\r\nexport interface ScrollbarsSetupState {}\r\n\r\nexport interface ScrollbarsSetupStaticState {\r\n _elements: ScrollbarsSetupElementsObj;\r\n _appendElements: () => void;\r\n}\r\n\r\nconst { min } = Math;\r\nconst createSelfCancelTimeout = (timeout?: number | (() => number)) => {\r\n let id: number;\r\n const setTFn = timeout ? setT : rAF!;\r\n const clearTFn = timeout ? clearT : cAF!;\r\n return [\r\n (callback: () => any) => {\r\n clearTFn(id);\r\n // @ts-ignore\r\n id = setTFn(callback, isFunction(timeout) ? timeout() : timeout);\r\n },\r\n () => clearTFn(id),\r\n ] as [timeout: (callback: () => any) => void, clear: () => void];\r\n};\r\n\r\nconst refreshScrollbarHandleLength = (\r\n setStyleFn: ScrollbarsSetupElement['_handleStyle'],\r\n structureSetupState: StructureSetupState,\r\n isHorizontal?: boolean\r\n) => {\r\n const { _overflowAmount, _overflowEdge } = structureSetupState;\r\n const axis = isHorizontal ? 'x' : 'y';\r\n const viewportSize = _overflowEdge[axis];\r\n const overflowAmount = _overflowAmount[axis];\r\n const handleRatio = min(1, viewportSize / (viewportSize + overflowAmount));\r\n\r\n setStyleFn((structure) => [\r\n structure._handle,\r\n {\r\n [isHorizontal ? 'width' : 'height']: `${(handleRatio * 100).toFixed(3)}%`,\r\n },\r\n ]);\r\n};\r\n\r\nconst refreshScrollbarHandlePosition = (\r\n setStyleFn: (styles: StyleObject) => void,\r\n structureSetupState: StructureSetupState,\r\n isHorizontal?: boolean\r\n) => {\r\n /*\r\n //measure the handle length to respect min & max length\r\n var handleLength = scrollbarVarsInfo._handleLength;\r\n var trackLength = scrollbarVars._track[0]['offset' + scrollbarVars._Width_Height];\r\n var handleTrackDiff = trackLength - handleLength;\r\n var handleCSS = {};\r\n var transformOffset;\r\n var translateValue;\r\n\r\n //DONT use the variable '_contentScrollSizeCache[scrollbarVars._w_h]' instead of '_viewportElement[0]['scroll' + scrollbarVars._Width_Height]'\r\n // because its a bit behind during the small delay when content size updates\r\n //(delay = mutationObserverContentLag, if its 0 then this var could be used)\r\n var maxScroll =\r\n (_viewportElementNative[_strScroll + scrollbarVars._Width_Height] -\r\n _viewportElementNative['client' + scrollbarVars._Width_Height]) *\r\n (_rtlScrollBehavior.n && isRTLisHorizontal ? -1 : 1); //* -1 if rtl scroll max is negative\r\n var getScrollRatio = function (base) {\r\n return isNaN(base / maxScroll) ? 0 : MATH.max(0, MATH.min(1, base / maxScroll));\r\n };\r\n var getHandleOffset = function (scrollRatio) {\r\n var offset = handleTrackDiff * scrollRatio;\r\n offset = isNaN(offset) ? 0 : offset;\r\n offset =\r\n isRTLisHorizontal && !_rtlScrollBehavior.i ? trackLength - handleLength - offset : offset;\r\n offset = MATH.max(0, offset);\r\n return offset;\r\n };\r\n var scrollRatio = getScrollRatio(nativeScroll);\r\n var unsnappedScrollRatio = getScrollRatio(currentScroll);\r\n var handleOffset = getHandleOffset(unsnappedScrollRatio);\r\n var snappedHandleOffset = getHandleOffset(scrollRatio);\r\n\r\n scrollbarVarsInfo._maxScroll = maxScroll;\r\n scrollbarVarsInfo._currentScroll = nativeScroll;\r\n scrollbarVarsInfo._currentScrollRatio = scrollRatio;\r\n\r\n if (_supportTransform) {\r\n transformOffset = isRTLisHorizontal\r\n ? -(trackLength - handleLength - handleOffset)\r\n : handleOffset; //in px\r\n //transformOffset = (transformOffset / trackLength * 100) * (trackLength / handleLength); //in %\r\n translateValue = isHorizontal\r\n ? strTranslateBrace + transformOffset + 'px, 0)'\r\n : strTranslateBrace + '0, ' + transformOffset + 'px)';\r\n\r\n handleCSS[strTransform] = translateValue;\r\n\r\n //apply or clear up transition\r\n if (_supportTransition)\r\n handleCSS[strTransition] =\r\n transition && MATH.abs(handleOffset - scrollbarVarsInfo._handleOffset) > 1\r\n ? getCSSTransitionString(scrollbarVars._handle) +\r\n ', ' +\r\n (strTransform + _strSpace + transitionDuration + 'ms')\r\n : _strEmpty;\r\n } else handleCSS[scrollbarVars._left_top] = handleOffset;\r\n\r\n //only apply css if offset has changed and overflow exists.\r\n if (!nativeOverlayScrollbarsAreActive()) {\r\n scrollbarVars._handle.css(handleCSS);\r\n\r\n //clear up transition\r\n if (_supportTransform && _supportTransition && transition) {\r\n scrollbarVars._handle.one(_strTransitionEndEvent, function () {\r\n if (!_destroyed) scrollbarVars._handle.css(strTransition, _strEmpty);\r\n });\r\n }\r\n }\r\n\r\n scrollbarVarsInfo._handleOffset = handleOffset;\r\n scrollbarVarsInfo._snappedHandleOffset = snappedHandleOffset;\r\n scrollbarVarsInfo._trackLength = trackLength;\r\n */\r\n};\r\n\r\nexport const createScrollbarsSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions,\r\n structureSetupState: (() => StructureSetupState) & StructureSetupStaticState\r\n): Setup => {\r\n let autoHideIsMove: boolean;\r\n let autoHideIsLeave: boolean;\r\n let autoHideNotNever: boolean;\r\n let mouseInHost: boolean | undefined;\r\n let prevTheme: string | null | undefined;\r\n let globalAutoHideDelay = 0;\r\n\r\n const state = createState({});\r\n const [getState] = state;\r\n const [requestMouseMoveAnimationFrame, cancelMouseMoveAnimationFrame] = createSelfCancelTimeout();\r\n const [requestScrollAnimationFrame, cancelScrollAnimationFrame] = createSelfCancelTimeout();\r\n const [scrollTimeout, clearScrollTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideMoveTimeout, clearAutoHideTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideTimeout, clearAutoTimeout] = createSelfCancelTimeout(() => globalAutoHideDelay);\r\n const [elements, appendElements, destroyElements] = createScrollbarsSetupElements(\r\n target,\r\n structureSetupState._elements\r\n );\r\n const { _host, _viewport } = structureSetupState._elements;\r\n const { _horizontal, _vertical } = elements;\r\n const { _addRemoveClass: addRemoveClassHorizontal, _handleStyle: styleHorizontal } = _horizontal;\r\n const { _addRemoveClass: addRemoveClassVertical, _handleStyle: styleVertical } = _vertical;\r\n const manageScrollbarsAutoHide = (removeAutoHide: boolean, delayless?: boolean) => {\r\n clearAutoTimeout();\r\n if (removeAutoHide) {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden);\r\n } else {\r\n const hide = () => {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden, true);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden, true);\r\n };\r\n if (globalAutoHideDelay > 0 && !delayless) {\r\n auotHideTimeout(hide);\r\n } else {\r\n hide();\r\n }\r\n }\r\n };\r\n const onHostMouseEnter = () => {\r\n mouseInHost = autoHideIsLeave;\r\n mouseInHost && manageScrollbarsAutoHide(true);\r\n };\r\n const destroyFns: (() => void)[] = [\r\n clearScrollTimeout,\r\n clearAutoTimeout,\r\n clearAutoHideTimeout,\r\n cancelScrollAnimationFrame,\r\n cancelMouseMoveAnimationFrame,\r\n destroyElements,\r\n\r\n on(_host, 'mouseover', onHostMouseEnter, { _once: true }),\r\n on(_host, 'mouseenter', onHostMouseEnter),\r\n on(_host, 'mouseleave', () => {\r\n mouseInHost = false;\r\n autoHideIsLeave && manageScrollbarsAutoHide(false);\r\n }),\r\n on(_host, 'mousemove', () => {\r\n autoHideIsMove &&\r\n requestMouseMoveAnimationFrame(() => {\r\n clearScrollTimeout();\r\n manageScrollbarsAutoHide(true);\r\n auotHideMoveTimeout(() => {\r\n autoHideIsMove && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n on(_viewport, 'scroll', () => {\r\n autoHideNotNever &&\r\n requestScrollAnimationFrame(() => {\r\n manageScrollbarsAutoHide(true);\r\n scrollTimeout(() => {\r\n autoHideNotNever && !mouseInHost && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n ];\r\n const scrollbarsSetupState = getState.bind(0) as (() => ScrollbarsSetupState) &\r\n ScrollbarsSetupStaticState;\r\n scrollbarsSetupState._elements = elements;\r\n scrollbarsSetupState._appendElements = appendElements;\r\n\r\n return [\r\n (changedOptions, force, structureUpdateHints) => {\r\n const { _overflowEdgeChanged, _overflowAmountChanged, _overflowStyleChanged } =\r\n structureUpdateHints;\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n const currStructureSetupState = structureSetupState();\r\n\r\n const [theme, themeChanged] = checkOption('scrollbars.theme');\r\n const [visibility, visibilityChanged] =\r\n checkOption('scrollbars.visibility');\r\n const [autoHide, autoHideChanged] =\r\n checkOption('scrollbars.autoHide');\r\n const [autoHideDelay] = checkOption('scrollbars.autoHideDelay');\r\n const [dragScrolling, dragScrollingChanged] = checkOption(\r\n 'scrollbars.dragScrolling'\r\n );\r\n const [touchSupport, touchSupportChanged] = checkOption('scrollbars.touchSupport');\r\n\r\n const updateHandle = _overflowEdgeChanged || _overflowAmountChanged;\r\n const updateVisibility = _overflowStyleChanged || visibilityChanged;\r\n\r\n const setScrollbarVisibility = (\r\n overflowStyle: OverflowStyle,\r\n addRemoveClass: (classNames: string, add?: boolean) => void\r\n ) => {\r\n const isVisible =\r\n visibility === 'visible' || (visibility === 'auto' && overflowStyle === 'scroll');\r\n addRemoveClass(classNamesScrollbarVisible, isVisible);\r\n return isVisible;\r\n };\r\n\r\n globalAutoHideDelay = autoHideDelay;\r\n\r\n if (updateVisibility) {\r\n const { _overflowStyle } = currStructureSetupState;\r\n\r\n const xVisible = setScrollbarVisibility(_overflowStyle.x, addRemoveClassHorizontal);\r\n const yVisible = setScrollbarVisibility(_overflowStyle.y, addRemoveClassVertical);\r\n const hasCorner = xVisible && yVisible;\r\n\r\n addRemoveClassHorizontal(classNamesScrollbarCornerless, !hasCorner);\r\n addRemoveClassVertical(classNamesScrollbarCornerless, !hasCorner);\r\n }\r\n if (themeChanged) {\r\n addRemoveClassHorizontal(prevTheme);\r\n addRemoveClassVertical(prevTheme);\r\n\r\n addRemoveClassHorizontal(theme, true);\r\n addRemoveClassVertical(theme, true);\r\n prevTheme = theme;\r\n }\r\n if (autoHideChanged) {\r\n autoHideIsMove = autoHide === 'move';\r\n autoHideIsLeave = autoHide === 'leave';\r\n autoHideNotNever = autoHide !== 'never';\r\n manageScrollbarsAutoHide(!autoHideNotNever, true);\r\n }\r\n if (updateHandle) {\r\n refreshScrollbarHandleLength(styleHorizontal, currStructureSetupState, true);\r\n refreshScrollbarHandleLength(styleVertical, currStructureSetupState);\r\n }\r\n },\r\n scrollbarsSetupState,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { OverlayScrollbars } from 'overlayscrollbars';\r\n\r\nconst targets: Set = new Set();\r\nconst targetInstanceMap: WeakMap = new WeakMap();\r\n\r\n/**\r\n * Adds the given OverlayScrollbars instance to the given element.\r\n * @param target The element which is the target of the OverlayScrollbars instance.\r\n * @param osInstance The OverlayScrollbars instance.\r\n */\r\nexport const addInstance = (target: Element, osInstance: OverlayScrollbars): void => {\r\n targetInstanceMap.set(target, osInstance);\r\n targets.add(target);\r\n};\r\n\r\n/**\r\n * Removes a OverlayScrollbars instance from the given element.\r\n * @param target The element from which its OverlayScrollbars instance shall be removed.\r\n */\r\nexport const removeInstance = (target: Element): void => {\r\n targetInstanceMap.delete(target);\r\n targets.delete(target);\r\n};\r\n\r\n/**\r\n * Gets the OverlayScrollbars from the given element or undefined if it doesn't have one.\r\n * @param target The element of which its OverlayScrollbars instance shall be get.\r\n */\r\nexport const getInstance = (target: Element): OverlayScrollbars | undefined =>\r\n targetInstanceMap.get(target);\r\n\r\n/**\r\n * Gets a Map which represents all active OverayScrollbars instances.\r\n * The Key is the element and the value is the instance.\r\n */\r\nexport const allInstances = (): ReadonlyMap => {\r\n const validTargetInstanceMap: Map = new Map();\r\n\r\n targets.forEach((target: Element) => {\r\n /* istanbul ignore else */\r\n if (targetInstanceMap.has(target)) {\r\n validTargetInstanceMap.set(target, targetInstanceMap.get(target)!);\r\n }\r\n });\r\n\r\n targets.clear();\r\n\r\n validTargetInstanceMap.forEach((instance: OverlayScrollbars, validTarget: Element) => {\r\n targets.add(validTarget);\r\n });\r\n\r\n return validTargetInstanceMap;\r\n};\r\n","import {\r\n assignDeep,\r\n isEmptyObject,\r\n each,\r\n isFunction,\r\n keys,\r\n isHTMLElement,\r\n XY,\r\n TRBL,\r\n createEventListenerHub,\r\n} from 'support';\r\nimport { createStructureSetup, createScrollbarsSetup } from 'setups';\r\nimport { getOptionsDiff, Options, ReadonlyOSOptions } from 'options';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n getPlugins,\r\n addPlugin,\r\n optionsValidationPluginName,\r\n Plugin,\r\n OptionsValidationPluginInstance,\r\n} from 'plugins';\r\nimport { addInstance, getInstance, removeInstance } from 'instances';\r\nimport type { PartialOptions, OverflowStyle } from 'typings';\r\nimport type {\r\n InitializationTarget,\r\n InitializationTargetObject,\r\n InitializationStrategy,\r\n} from 'initialization';\r\nimport type {\r\n InitialEventListeners as GeneralInitialEventListeners,\r\n EventListener as GeneralEventListener,\r\n} from 'support/eventListeners';\r\n\r\nexport interface OverlayScrollbarsStatic {\r\n (\r\n target: InitializationTarget | InitializationTargetObject,\r\n options?: PartialOptions,\r\n eventListeners?: GeneralInitialEventListeners\r\n ): OverlayScrollbars;\r\n\r\n plugin(plugin: Plugin | Plugin[]): void;\r\n env(): Environment;\r\n}\r\n\r\nexport interface Environment {\r\n scrollbarsSize: XY;\r\n scrollbarsOverlaid: XY;\r\n scrollbarsHiding: boolean;\r\n rtlScrollBehavior: { n: boolean; i: boolean };\r\n flexboxGlue: boolean;\r\n cssCustomProperties: boolean;\r\n defaultInitializationStrategy: InitializationStrategy;\r\n defaultDefaultOptions: Options;\r\n\r\n getInitializationStrategy(): InitializationStrategy;\r\n setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n getDefaultOptions(): Options;\r\n setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nexport interface State {\r\n padding: TRBL;\r\n paddingAbsolute: boolean;\r\n overflowEdge: XY;\r\n overflowAmount: XY;\r\n overflowStyle: XY;\r\n hasOverflow: XY;\r\n destroyed: boolean;\r\n}\r\n\r\nexport interface Elements {\r\n target: HTMLElement;\r\n host: HTMLElement;\r\n padding: HTMLElement;\r\n viewport: HTMLElement;\r\n content: HTMLElement;\r\n}\r\n\r\nexport interface OnUpdatedEventListenerArgs {\r\n updateHints: {\r\n sizeChanged: boolean;\r\n directionChanged: boolean;\r\n heightIntrinsicChanged: boolean;\r\n overflowEdgeChanged: boolean;\r\n overflowAmountChanged: boolean;\r\n overflowStyleChanged: boolean;\r\n hostMutation: boolean;\r\n contentMutation: boolean;\r\n };\r\n changedOptions: PartialOptions;\r\n force: boolean;\r\n}\r\n\r\nexport type EventListenerMap = {\r\n /**\r\n * Triggered after all elements are initialized and appended.\r\n */\r\n initialized: [instance: OverlayScrollbars];\r\n /**\r\n * Triggered after an update.\r\n */\r\n updated: [instance: OverlayScrollbars, onUpdatedArgs: OnUpdatedEventListenerArgs];\r\n /**\r\n * Triggered after all elements, observers and events are destroyed.\r\n */\r\n destroyed: [instance: OverlayScrollbars, withdrawn: boolean];\r\n};\r\n\r\nexport type InitialEventListeners = GeneralInitialEventListeners;\r\n\r\nexport type EventListener = GeneralEventListener<\r\n EventListenerMap,\r\n Name\r\n>;\r\n\r\nexport interface OverlayScrollbars {\r\n options(): Options;\r\n options(newOptions?: PartialOptions): Options;\r\n\r\n update(force?: boolean): OverlayScrollbars;\r\n\r\n destroy(): void;\r\n\r\n state(): State;\r\n\r\n elements(): Elements;\r\n\r\n on(name: Name, listener: EventListener): () => void;\r\n on(name: Name, listener: EventListener[]): () => void;\r\n\r\n off(name: Name, listener: EventListener): void;\r\n off(name: Name, listener: EventListener[]): void;\r\n}\r\n\r\n/**\r\n * Notes:\r\n * Height intrinsic detection use \"content: true\" init strategy - or open ticket for custom height intrinsic observer\r\n */\r\n\r\nexport const OverlayScrollbars: OverlayScrollbarsStatic = (\r\n target,\r\n options?,\r\n eventListeners?\r\n): OverlayScrollbars => {\r\n let destroyed = false;\r\n const {\r\n _getDefaultOptions,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _addListener: addEnvListener,\r\n } = getEnvironment();\r\n const plugins = getPlugins();\r\n const instanceTarget = isHTMLElement(target) ? target : target.target;\r\n const potentialInstance = getInstance(instanceTarget);\r\n if (potentialInstance) {\r\n return potentialInstance;\r\n }\r\n\r\n const optionsValidationPlugin = plugins[\r\n optionsValidationPluginName\r\n ] as OptionsValidationPluginInstance;\r\n const validateOptions = (newOptions?: PartialOptions) => {\r\n const opts = newOptions || {};\r\n const validate = optionsValidationPlugin && optionsValidationPlugin._;\r\n return validate ? validate(opts, true) : opts;\r\n };\r\n const currentOptions: ReadonlyOSOptions = assignDeep(\r\n {},\r\n _getDefaultOptions(),\r\n validateOptions(options)\r\n );\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub(eventListeners);\r\n const [updateStructure, structureState, destroyStructure] = createStructureSetup(\r\n target,\r\n currentOptions\r\n );\r\n const [updateScrollbars, scrollbarsState, destroyScrollbars] = createScrollbarsSetup(\r\n target,\r\n currentOptions,\r\n structureState\r\n );\r\n const update = (changedOptions: PartialOptions, force?: boolean) => {\r\n updateStructure(changedOptions, !!force);\r\n };\r\n const removeEnvListener = addEnvListener(update.bind(0, {}, true));\r\n const destroy = (withdrawn?: boolean) => {\r\n removeInstance(instanceTarget);\r\n removeEnvListener();\r\n\r\n destroyScrollbars();\r\n destroyStructure();\r\n\r\n destroyed = true;\r\n\r\n // eslint-disable-next-line no-use-before-define\r\n triggerEvent('destroyed', [instance, !!withdrawn]);\r\n removeEvent();\r\n };\r\n\r\n const instance: OverlayScrollbars = {\r\n options(newOptions?: PartialOptions) {\r\n if (newOptions) {\r\n const changedOptions = getOptionsDiff(currentOptions, validateOptions(newOptions));\r\n\r\n if (!isEmptyObject(changedOptions)) {\r\n assignDeep(currentOptions, changedOptions);\r\n update(changedOptions);\r\n }\r\n }\r\n return assignDeep({}, currentOptions);\r\n },\r\n on: addEvent,\r\n off: (name, listener) => {\r\n name && listener && removeEvent(name, listener as any);\r\n },\r\n state() {\r\n const {\r\n _overflowEdge,\r\n _overflowAmount,\r\n _overflowStyle,\r\n _hasOverflow,\r\n _padding,\r\n _paddingAbsolute,\r\n } = structureState();\r\n return assignDeep(\r\n {},\r\n {\r\n overflowEdge: _overflowEdge,\r\n overflowAmount: _overflowAmount,\r\n overflowStyle: _overflowStyle,\r\n hasOverflow: _hasOverflow,\r\n padding: _padding,\r\n paddingAbsolute: _paddingAbsolute,\r\n destroyed,\r\n }\r\n );\r\n },\r\n elements() {\r\n const { _target, _host, _padding, _viewport, _content } = structureState._elements;\r\n return assignDeep(\r\n {},\r\n {\r\n target: _target,\r\n host: _host,\r\n padding: _padding || _viewport,\r\n viewport: _viewport,\r\n content: _content || _viewport,\r\n }\r\n );\r\n },\r\n update(force?: boolean) {\r\n update({}, force);\r\n return instance;\r\n },\r\n destroy: destroy.bind(0),\r\n };\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force: boolean) => {\r\n updateScrollbars(changedOptions, force, updateHints);\r\n });\r\n\r\n each(keys(plugins), (pluginName) => {\r\n const pluginInstance = plugins[pluginName];\r\n if (isFunction(pluginInstance)) {\r\n pluginInstance(OverlayScrollbars, instance);\r\n }\r\n });\r\n\r\n if (\r\n _nativeScrollbarIsOverlaid.x &&\r\n _nativeScrollbarIsOverlaid.y &&\r\n !currentOptions.nativeScrollbarsOverlaid.initialize\r\n ) {\r\n destroy(true);\r\n return instance;\r\n }\r\n\r\n structureState._appendElements();\r\n scrollbarsState._appendElements();\r\n\r\n addInstance(instanceTarget, instance);\r\n triggerEvent('initialized', [instance]);\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force) => {\r\n const {\r\n _sizeChanged,\r\n _directionChanged,\r\n _heightIntrinsicChanged,\r\n _overflowEdgeChanged,\r\n _overflowAmountChanged,\r\n _overflowStyleChanged,\r\n _contentMutation,\r\n _hostMutation,\r\n } = updateHints;\r\n\r\n triggerEvent('updated', [\r\n instance,\r\n {\r\n updateHints: {\r\n sizeChanged: _sizeChanged,\r\n directionChanged: _directionChanged,\r\n heightIntrinsicChanged: _heightIntrinsicChanged,\r\n overflowEdgeChanged: _overflowEdgeChanged,\r\n overflowAmountChanged: _overflowAmountChanged,\r\n overflowStyleChanged: _overflowStyleChanged,\r\n contentMutation: _contentMutation,\r\n hostMutation: _hostMutation,\r\n },\r\n changedOptions,\r\n force,\r\n },\r\n ]);\r\n });\r\n\r\n return instance.update(true);\r\n};\r\n\r\nOverlayScrollbars.plugin = addPlugin;\r\nOverlayScrollbars.env = () => {\r\n const {\r\n _nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding,\r\n _rtlScrollBehavior,\r\n _flexboxGlue,\r\n _cssCustomProperties,\r\n _defaultInitializationStrategy,\r\n _defaultDefaultOptions,\r\n _getInitializationStrategy,\r\n _setInitializationStrategy,\r\n _getDefaultOptions,\r\n _setDefaultOptions,\r\n } = getEnvironment();\r\n return assignDeep(\r\n {},\r\n {\r\n scrollbarsSize: _nativeScrollbarsSize,\r\n scrollbarsOverlaid: _nativeScrollbarsOverlaid,\r\n scrollbarsHiding: _nativeScrollbarsHiding,\r\n rtlScrollBehavior: _rtlScrollBehavior,\r\n flexboxGlue: _flexboxGlue,\r\n cssCustomProperties: _cssCustomProperties,\r\n defaultInitializationStrategy: _defaultInitializationStrategy,\r\n defaultDefaultOptions: _defaultDefaultOptions,\r\n\r\n getInitializationStrategy: _getInitializationStrategy,\r\n setInitializationStrategy: _setInitializationStrategy,\r\n getDefaultOptions: _getDefaultOptions,\r\n setDefaultOptions: _setDefaultOptions,\r\n 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newline at end of file diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.js b/packages/overlayscrollbars/dist/overlayscrollbars.js index 9029f77..9f765fa 100644 --- a/packages/overlayscrollbars/dist/overlayscrollbars.js +++ b/packages/overlayscrollbars/dist/overlayscrollbars.js @@ -196,7 +196,7 @@ if (v(n)) { return e ? e[r] : a; } - e && (e[r] = n); + e && !o(n) && false !== n && (e[r] = n); }; var T = function attr(r, a, e) { if (v(e)) { @@ -205,17 +205,19 @@ r && r.setAttribute(a, e); }; var L = function attrClass(r, a, e, n) { - var t = T(r, a) || ""; - var i = new Set(t.split(" ")); - i[n ? "add" : "delete"](e); - T(r, a, S(i).join(" ").trim()); + if (e) { + var t = T(r, a) || ""; + var i = new Set(t.split(" ")); + i[n ? "add" : "delete"](e); + T(r, a, S(i).join(" ").trim()); + } }; - var I = function hasAttrClass(r, a, e) { + var M = function hasAttrClass(r, a, e) { var n = T(r, a) || ""; var t = new Set(n.split(" ")); return t.has(e); }; - var M = function removeAttr(r, a) { + var I = function removeAttr(r, a) { r && r.removeAttribute(a); }; var R = function scrollLeft(r, a) { @@ -531,13 +533,13 @@ w: 0, h: 0 }; - var Ir = function windowSize() { + var Mr = function windowSize() { return { w: window.innerWidth, h: window.innerHeight }; }; - var Mr = function offsetSize(r) { + var Ir = function offsetSize(r) { return r ? { w: r.offsetWidth, h: r.offsetHeight @@ -741,6 +743,7 @@ initialize: false }, scrollbars: { + theme: "os-theme-dark", visibility: "auto", autoHide: "never", autoHideDelay: 800, @@ -774,10 +777,10 @@ return e; }; var La = {}; - var Ia = function getPlugins() { + var Ma = function getPlugins() { return z({}, La); }; - var Ma = function addPlugin(r) { + var Ia = function addPlugin(r) { each(d(r) ? r : [ r ], (function(r) { each(E(r), (function(a) { La[a] = r[a]; @@ -893,6 +896,7 @@ y: Ua }, scrollbars: { + theme: [ Ha.string, Ha.null ], visibility: Ya, autoHide: Na, autoHideDelay: Ba, @@ -925,7 +929,7 @@ var i = t.lastChild; var v = t.firstChild; var o = null == v ? void 0 : v.firstChild; - var u = Mr(t); + var u = Ir(t); var f = u; var l = false; var c; @@ -943,7 +947,7 @@ } }; var g = function onScroll(r) { - f = Mr(t); + f = Ir(t); l = !r || !br(f, u); if (r) { Ur(r); @@ -981,7 +985,7 @@ var ve = "__osScrollbarsHidingPlugin"; var oe = (re = {}, re[ve] = { T: function _createUniqueViewportArrangeElement(r) { - var a = r.L, e = r.I, n = r.M; + var a = r.L, e = r.M, n = r.I; var t = !n && !a && (e.x || e.y); var i = t ? document.createElement("style") : false; if (i) { @@ -1069,7 +1073,7 @@ }; var a = 0; return function(e, n, t) { - var i = Ir(); + var i = Mr(); var v = { w: i.w - r.w, h: i.h - r.h @@ -1106,7 +1110,7 @@ var fe = function getNativeScrollbarSize(r, a, e, n) { N(r, a); var t = Rr(a); - var i = Mr(a); + var i = Ir(a); var v = Hr(e); n && Z(a); return { @@ -1170,37 +1174,37 @@ y: 0 === d.y }; var p = { - B: !g, - F: false + padding: !g, + content: false }; var w = z({}, Pa); var b = { k: d, - I: h, + M: h, L: g, - M: "-1" === style(t, "zIndex"), - q: ce(t, i), - U: se(t, i), - Y: function _addListener(r) { + I: "-1" === style(t, "zIndex"), + B: ce(t, i), + F: se(t, i), + q: function _addListener(r) { return o("_", r); }, - N: z.bind(0, {}, p), - W: function _setInitializationStrategy(r) { + U: z.bind(0, {}, p), + Y: function _setInitializationStrategy(r) { z(p, r); }, - G: z.bind(0, {}, w), - X: function _setDefaultOptions(r) { + N: z.bind(0, {}, w), + W: function _setDefaultOptions(r) { z(w, r); }, - Z: z({}, p), - $: z({}, w) + G: z({}, p), + X: z({}, w) }; - M(t, "style"); + I(t, "style"); Z(t); if (!g && (!h.x || !h.y)) { var m; window.addEventListener("resize", (function() { - var r = Ia()[ve]; + var r = Ma()[ve]; m = m || r && r.j(); m && m(b, l, u.bind(0, "_")); })); @@ -1233,14 +1237,14 @@ }; var me = function addDataAttrHost(r, a) { T(r, ra, a); - return M.bind(0, r, ra); + return I.bind(0, r, ra); }; var ye = function createStructureSetupElements(r) { var a = ge(); - var e = a.N, n = a.L; - var t = Ia()[ve]; + var e = a.U, n = a.L; + var t = Ma()[ve]; var i = t && t.T; - var v = e(), o = v.J, u = v.K, f = v.B, l = v.F; + var v = e(), o = v.host, u = v.viewport, f = v.padding, l = v.content; var c = w(r); var s = r; var d = c ? r : s.target; @@ -1257,11 +1261,11 @@ }))[0]; var P = A === d; var T = { - rr: d, - J: g ? x(we, o, s.host) : d, - K: A, - B: !P && z(we, f, s.padding), - F: !P && z(we, l, s.content), + Z: d, + $: g ? x(we, o, s.host) : d, + J: A, + K: !P && z(we, f, s.padding), + rr: !P && z(we, l, s.content), ar: !P && !n && i && i(a), er: S, nr: p, @@ -1272,7 +1276,7 @@ lr: c, cr: P, sr: function _viewportHasClass(r, a) { - return P ? I(A, ra, a) : hr(A, r); + return P ? M(A, ra, a) : hr(A, r); }, dr: function _viewportAddRemoveClass(r, a, e) { return P ? L(A, ra, a, e) : (e ? pr : _r)(A, r); @@ -1285,7 +1289,7 @@ var D = function elementIsGenerated(r) { return r ? m(R, r) > -1 : null; }; - var H = T.rr, V = T.J, j = T.B, q = T.K, U = T.F, Y = T.ar; + var H = T.Z, V = T.$, j = T.K, q = T.J, U = T.rr, Y = T.ar; var W = []; var $ = g && D(V); var J = g ? H : B([ U, q, j, V, H ].find((function(r) { @@ -1310,8 +1314,8 @@ N(q, U); y(W, (function() { r(); - M(q, aa); - M(q, ea); + I(q, aa); + I(q, ea); if (D(U)) { be(U); } @@ -1336,10 +1340,10 @@ return [ T, Q, O.bind(0, W) ]; }; var Se = function createTrinsicUpdateSegment(r, a) { - var e = r.F; + var e = r.rr; var n = a[0]; return function(r) { - var a = ge(), t = a.U; + var a = ge(), t = a.F; var i = n(), v = i.gr; var o = r.hr; var u = (e || !t) && o; @@ -1356,14 +1360,14 @@ }; var Ce = function createPaddingUpdateSegment(r, e) { var n = e[0], t = e[1]; - var i = r.J, v = r.B, o = r.K, u = r.cr; + var i = r.$, v = r.K, o = r.J, u = r.cr; var f = a({ u: yr, o: Tr() }, Tr.bind(0, i, "padding", "")), l = f[0], c = f[1]; return function(r, a, e) { var i = c(e), f = i[0], s = i[1]; - var d = ge(), g = d.L, h = d.U; + var d = ge(), g = d.L, h = d.F; var p = n(), w = p.wr; var b = r._r, m = r.pr, y = r.br; var S = a("paddingAbsolute"), C = S[0], O = S[1]; @@ -1378,7 +1382,7 @@ var P = !C || !v && !g; var T = f.r + f.l; var L = f.t + f.b; - var I = { + var M = { marginRight: P && !w ? -T : 0, marginBottom: P ? -L : 0, marginLeft: P && w ? -T : 0, @@ -1387,18 +1391,18 @@ left: P ? w ? "auto" : -f.l : 0, width: P ? "calc(100% + " + T + "px)" : "" }; - var M = { + var I = { paddingTop: P ? f.t : 0, paddingRight: P ? f.r : 0, paddingBottom: P ? f.b : 0, paddingLeft: P ? f.l : 0 }; - style(v || o, I); - style(o, M); + style(v || o, M); + style(o, I); t({ - B: f, + K: f, mr: !P, - D: v ? M : z({}, I, M) + D: v ? I : z({}, M, I) }); } return { @@ -1436,29 +1440,29 @@ h: n.h > e ? n.h : 0 }; }; - var Ie = function conditionalClass(r, a, e) { + var Me = function conditionalClass(r, a, e) { return e ? pr(r, a) : _r(r, a); }; - var Me = function overflowIsVisible(r) { + var Ie = function overflowIsVisible(r) { return 0 === r.indexOf(Ee); }; var Re = function createOverflowUpdateSegment(r, e) { var n = e[0], t = e[1]; - var i = r.J, v = r.B, o = r.K, u = r.ar, f = r.cr, l = r.dr; - var c = ge(), s = c.k, d = c.U, g = c.L, h = c.I; - var p = Ia()[ve]; + var i = r.$, v = r.K, o = r.J, u = r.ar, f = r.cr, l = r.dr; + var c = ge(), s = c.k, d = c.F, g = c.L, h = c.M; + var p = Ma()[ve]; var w = !f && !g && (h.x || h.y); var b = a(Pe, Hr.bind(0, o)), m = b[0], y = b[1]; var S = a(Pe, Dr.bind(0, o)), C = S[0], O = S[1]; var x = a(Pe), E = x[0], z = x[1]; - var A = a(Pe), P = A[0], I = A[1]; - var M = a(Te), R = M[0]; + var A = a(Pe), P = A[0], M = A[1]; + var I = a(Te), R = I[0]; var D = function fixFlexboxGlue(r, a) { style(o, { height: "" }); if (a) { - var e = n(), t = e.mr, v = e.B; + var e = n(), t = e.mr, v = e.K; var u = r.Sr, f = r.H; var l = Hr(i); var c = Rr(i); @@ -1504,9 +1508,9 @@ }; var V = function setViewportOverflowState(r, a, e, n) { var t = function setAxisOverflowStyle(r, a) { - var e = Me(r); + var e = Ie(r); var n = a && e && r.replace(Ee + "-", "") || ""; - return [ a && !e ? r : "", Me(n) ? "hidden" : n ]; + return [ a && !e ? r : "", Ie(n) ? "hidden" : n ]; }; var i = t(e.x, a.x), v = i[0], o = i[1]; var u = t(e.y, a.y), f = u[0], l = u[1]; @@ -1541,17 +1545,17 @@ return function(r, a, e) { var u = r._r, c = r.Or, s = r.pr, p = r.yr, w = r.hr, b = r.br; var S = n(), x = S.gr, A = S.wr; - var M = a("nativeScrollbarsOverlaid.show"), k = M[0], q = M[1]; + var I = a("nativeScrollbarsOverlaid.show"), k = I[0], q = I[1]; var U = a("overflow"), Y = U[0], N = U[1]; var W = k && h.x && h.y; var G = !f && !d && (u || s || c || q || w); - var X = Me(Y.x); - var Z = Me(Y.y); + var X = Ie(Y.x); + var Z = Ie(Y.y); var $ = X || Z; var J = y(e); var K = O(e); var Q = z(e); - var rr = I(e); + var rr = M(e); var ar; if (q && g) { l(fa, ta, !W); @@ -1605,9 +1609,9 @@ overflowX: "" }; var Lr = V(W, Ar, Y, Tr); - var Ir = B(Lr, Cr, Er, A); + var Mr = B(Lr, Cr, Er, A); if (!f) { - j(Lr, A, Ir, Tr); + j(Lr, A, Mr, Tr); } if (G) { D(Lr, x); @@ -1620,9 +1624,9 @@ } } L(i, ra, na, Pr); - Ie(v, la, Pr); - !f && Ie(o, la, $); - var Mr = R(H(W).Cr), Hr = Mr[0], Vr = Mr[1]; + Me(v, la, Pr); + !f && Me(o, la, $); + var Ir = R(H(W).Cr), Hr = Ir[0], Vr = Ir[1]; t({ Cr: Hr, Er: { @@ -1654,8 +1658,8 @@ return n; }; var He = function createStructureSetupUpdate(r, a) { - var e = r.K; - var n = ge(), t = n.L, i = n.I, v = n.U; + var e = r.J; + var n = ge(), t = n.L, i = n.M, v = n.F; var o = !t && (i.x || i.y); var u = [ Se(r, a), Ce(r, a), Re(r, a) ]; return function(r, a, n) { @@ -1671,19 +1675,15 @@ pr: false }, a), {}, n); var i = o || !v; - var l = i && R(e); - var c = i && D(e); - var s = t; + var f = i && R(e); + var l = i && D(e); + var c = t; each(u, (function(a) { - s = De(s, a(s, r, !!n) || {}, n); + c = De(c, a(c, r, !!n) || {}, n); })); - if (f(l)) { - R(e, l); - } - if (f(c)) { - D(e, c); - } - return s; + R(e, f); + D(e, l); + return c; }; }; var Ve = 3333333; @@ -1694,9 +1694,9 @@ return r && (r.height || r.width); }; var Be = function createSizeObserver(r, e, n) { - var t = n || {}, i = t.Ir, v = void 0 === i ? false : i, o = t.Mr, u = void 0 === o ? false : o; - var f = Ia()[Ka]; - var l = ge(), s = l.q; + var t = n || {}, i = t.Mr, v = void 0 === i ? false : i, o = t.Ir, u = void 0 === o ? false : o; + var f = Ma()[Ka]; + var l = ge(), s = l.B; var h = J('
'); var p = h[0]; var w = p.firstChild; @@ -1735,7 +1735,7 @@ e({ _r: !n, Rr: n ? r : void 0, - Mr: !!i + Ir: !!i }); } }; @@ -1757,9 +1757,9 @@ z = a({ o: !b() }, b); - var I = z, M = I[0]; + var M = z, I = M[0]; y(x, qr(p, "scroll", (function(r) { - var a = M(); + var a = I(); var e = a[0], n = a[1]; if (n) { _r(w, "ltr rtl"); @@ -1822,7 +1822,7 @@ })); } else { var l = function onSizeChanged() { - var r = Mr(t); + var r = Ir(t); u(r); }; y(i, Be(t, l)); @@ -1922,10 +1922,10 @@ var A = !S; var P = S && z; var L = P && f && k(i, f); - var I = L ? !v(i, t, s, x) : A || P; - var M = I && !o(e, !!L, r, n); + var M = L ? !v(i, t, s, x) : A || P; + var I = M && !o(e, !!L, r, n); y(d, p); - h = h || M; + h = h || I; w = w || C; } if (!a && O && E && !v(i, t, s, x)) { @@ -1986,8 +1986,8 @@ var i; var v; var o = e[1]; - var u = r.J, c = r.K, g = r.F, h = r.vr, p = r.cr, w = r.sr, b = r.dr; - var S = ge(), C = S.L, O = S.U; + var u = r.$, c = r.J, g = r.rr, h = r.vr, p = r.cr, w = r.sr, b = r.dr; + var S = ge(), C = S.L, O = S.F; var x = a({ u: br, o: { @@ -1996,14 +1996,21 @@ } }, (function() { var r = w(la, na); - r && b(la, na); - var a = Dr(g); - var e = Dr(c); - var n = Hr(c); - r && b(la, na, true); + var a = w(oa, ""); + var e = a && R(c); + var n = a && D(c); + b(la, na); + b(oa, ""); + var t = Dr(g); + var i = Dr(c); + var v = Hr(c); + b(la, na, r); + b(oa, "", a); + R(c, e); + D(c, n); return { - w: e.w + a.w + n.w, - h: e.h + a.h + n.h + w: i.w + t.w + v.w, + h: i.h + t.h + v.h }; })), A = x[0]; var P = h ? Xe : Ze.concat(Xe); @@ -2023,19 +2030,19 @@ }), {}) ]; } }); - var I = function updateViewportAttrsFromHost(r) { + var M = function updateViewportAttrsFromHost(r) { each(r || Ge, (function(r) { if (m(Ge, r) > -1) { var a = T(u, r); if (l(a)) { T(c, r, a); } else { - M(c, r); + I(c, r); } } })); }; - var R = function onTrinsicChanged(r, a) { + var H = function onTrinsicChanged(r, a) { var e = r[0], t = r[1]; var i = { hr: t @@ -2046,8 +2053,8 @@ !a && n(i); return i; }; - var D = function onSizeChanged(r) { - var a = r._r, e = r.Rr, t = r.Mr; + var V = function onSizeChanged(r) { + var a = r._r, e = r.Rr, t = r.Ir; var i = !a || t ? n : L; var v = false; if (e) { @@ -2062,7 +2069,7 @@ br: v }); }; - var H = function onContentMutation(r, a) { + var j = function onContentMutation(r, a) { var e = A(), t = e[1]; var i = { pr: t @@ -2073,50 +2080,50 @@ } return i; }; - var V = function onHostMutation(r, a, e) { + var k = function onHostMutation(r, a, e) { var n = { Or: a }; if (a) { !e && L(n); } else if (!p) { - I(r); + M(r); } return n; }; - var j = (g || !O) && qe(u, R); - var k = !p && Be(u, D, { - Mr: true, - Ir: !C + var B = (g || !O) && qe(u, H); + var F = !p && Be(u, V, { + Ir: true, + Mr: !C }); - var B = Ye(u, false, V, { + var Y = Ye(u, false, k, { Hr: Ze, Dr: Ze.concat(Ge) - }), F = B[0], Y = B[1]; - var N = p && new ur(D.bind(0, { + }), N = Y[0], W = Y[1]; + var G = p && new ur(V.bind(0, { _r: true })); - N && N.observe(u); - I(); + G && G.observe(u); + M(); return [ function() { v && v[0](); - j && j[0](); - k && k(); - N && N.disconnect(); - F(); + B && B[0](); + F && F(); + G && G.disconnect(); + N(); }, function() { var r = {}; - var a = Y(); + var a = W(); var e = v && v[1](); - var n = j && j[1](); + var n = B && B[1](); if (a) { - z(r, V.apply(0, y(a, true))); + z(r, k.apply(0, y(a, true))); } if (e) { - z(r, H.apply(0, y(e, true))); + z(r, j.apply(0, y(e, true))); } if (n) { - z(r, R.apply(0, y(n, true))); + z(r, H.apply(0, y(n, true))); } return r; }, function(r) { @@ -2133,7 +2140,7 @@ v[1](); v[0](); } - v = Ye(g || c, true, H, { + v = Ye(g || c, true, j, { Hr: P.concat(o || []), Dr: P.concat(o || []), Vr: h, @@ -2167,7 +2174,7 @@ y: 0 }; var Ke = { - B: { + K: { t: 0, r: 0, b: 0, @@ -2241,74 +2248,83 @@ }); }; var nn = function createScrollbarsSetupElements(r, a) { - var e = ge(), n = e.N; - var t = n(), i = t.Yr; - var v = a.nr, o = a.rr, u = a.J, f = a.K, l = a.lr; - var c = !l && r.scrollbarsSlot; + var e = ge(), n = e.U; + var t = n(), i = t.scrollbarsSlot; + var v = a.nr, o = a.Z, u = a.$, f = a.J, l = a.lr; + var c = l ? null : r.scrollbarsSlot; var s = pe([ o, u, f ], (function() { return u; }), i, c); - var d = function scrollbarsAddRemoveClass(r, a, e) { - var n = e ? pr : _r; + var d = function scrollbarsAddRemoveClass(r, a, e, n) { + var t = e ? pr : _r; each(r, (function(r) { - n(r.Nr, a); + t((n || Cr)(r) || r.Yr, a); + })); + }; + var g = function scrollbarsHandleStyle(r, a) { + each(r, (function(r) { + var e = a(r), n = e[0], t = e[1]; + style(n, t); })); }; - var g = []; var h = []; var p = []; - var w = d.bind(0, h); + var w = []; var b = d.bind(0, p); - var m = function generateScrollbarDOM(r) { + var m = d.bind(0, w); + var S = function generateScrollbarDOM(r) { var a = r ? ba : ma; - var e = r ? h : p; + var e = r ? p : w; var n = C(e) ? xa : ""; - var t = $(wa + " " + a + " " + n + " os-theme-dark"); + var t = $(wa + " " + a + " " + n); var i = $(ya); var o = $(Sa); var u = { - Nr: t, - Wr: i, - Gr: o + Yr: t, + Nr: i, + Wr: o }; N(t, i); N(i, o); y(e, u); - y(g, [ Z.bind(0, t), qr(t, rn, (function() { - w(Ea, true); + y(h, [ Z.bind(0, t), qr(t, rn, (function() { b(Ea, true); + m(Ea, true); })), qr(t, an, (function() { - w(Ea); b(Ea); + m(Ea); })), en(t, v) ]); return u; }; - var S = m.bind(0, true); - var x = m.bind(0, false); - var E = function appendElements() { - N(s, h[0].Nr); - N(s, p[0].Nr); + var x = S.bind(0, true); + var E = S.bind(0, false); + var z = function appendElements() { + N(s, p[0].Yr); + N(s, w[0].Yr); cr((function() { - w(xa); b(xa); + m(xa); }), 300); }; - S(); x(); + E(); return [ { - Xr: { - Zr: h, - $r: S, - Jr: w + Gr: { + Xr: p, + Zr: x, + $r: b, + Jr: g.bind(0, p) }, Kr: { - Zr: p, - $r: x, - Jr: b + Xr: w, + Zr: E, + $r: m, + Jr: g.bind(0, w) } - }, E, O.bind(0, g) ]; + }, z, O.bind(0, h) ]; }; - var tn = function createSelfCancelTimeout(r) { + var tn = Math.min; + var vn = function createSelfCancelTimeout(r) { var a; var e = r ? cr : lr; var n = r ? sr : fr; @@ -2319,121 +2335,148 @@ return n(a); } ]; }; - var vn = function createScrollbarsSetup(r, a, e) { - var n = 0; + var un = function refreshScrollbarHandleLength(r, a, e) { + var n = a.zr, t = a.Er; + var i = e ? "x" : "y"; + var v = t[i]; + var o = n[i]; + var u = tn(1, v / (v + o)); + r((function(r) { + var a; + return [ r.Wr, (a = {}, a[e ? "width" : "height"] = (100 * u).toFixed(3) + "%", + a) ]; + })); + }; + var fn = function createScrollbarsSetup(r, a, e) { + var n; var t; var i; var v; var o; - var u = $r({}); - var f = u[0]; - var l = tn(), c = l[0], s = l[1]; - var d = tn(), g = d[0], h = d[1]; - var p = tn(100), w = p[0], b = p[1]; - var m = tn(100), y = m[0], S = m[1]; - var C = tn((function() { - return n; - })), x = C[0], E = C[1]; - var z = nn(r, e.Ur), A = z[0], P = z[1], T = z[2]; - var L = e.Ur, I = L.J, M = L.K; - var R = A.Xr, D = A.Kr; - var H = R.Jr; - var V = D.Jr; - var j = function manageScrollbarsAutoHide(r, a) { - E(); + var u = 0; + var f = $r({}); + var l = f[0]; + var c = vn(), s = c[0], d = c[1]; + var g = vn(), h = g[0], p = g[1]; + var w = vn(100), b = w[0], m = w[1]; + var y = vn(100), S = y[0], C = y[1]; + var x = vn((function() { + return u; + })), E = x[0], z = x[1]; + var A = nn(r, e.Ur), P = A[0], T = A[1], L = A[2]; + var M = e.Ur, I = M.$, R = M.J; + var D = P.Gr, H = P.Kr; + var V = D.$r, j = D.Jr; + var k = H.$r, B = H.Jr; + var F = function manageScrollbarsAutoHide(r, a) { + z(); if (r) { - H(za); V(za); + k(za); } else { var e = function hide() { - H(za, true); V(za, true); + k(za, true); }; - if (n > 0 && !a) { - x(e); + if (u > 0 && !a) { + E(e); } else { e(); } } }; - var k = function onHostMouseEnter() { - o = i; - o && j(true); + var q = function onHostMouseEnter() { + v = t; + v && F(true); }; - var B = [ b, E, S, h, s, T, qr(I, "mouseover", k, { + var U = [ m, z, C, p, d, L, qr(I, "mouseover", q, { A: true - }), qr(I, "mouseenter", k), qr(I, "mouseleave", (function() { - o = false; - i && j(false); + }), qr(I, "mouseenter", q), qr(I, "mouseleave", (function() { + v = false; + t && F(false); })), qr(I, "mousemove", (function() { - t && c((function() { - b(); - j(true); - y((function() { - t && j(false); + n && s((function() { + m(); + F(true); + S((function() { + n && F(false); })); })); - })), qr(M, "scroll", (function() { - v && g((function() { - j(true); - w((function() { - v && !o && j(false); + })), qr(R, "scroll", (function() { + i && h((function() { + F(true); + b((function() { + i && !v && F(false); })); })); })) ]; - var F = f.bind(0); - F.Ur = A; - F.qr = P; - return [ function(r, o, u) { - var f = u.Pr; - var l = Zr(a, r, o); - var c = l("scrollbars.visibility"), s = c[0], d = c[1]; - var g = l("scrollbars.autoHide"), h = g[0], p = g[1]; - var w = l("scrollbars.autoHideDelay"), b = w[0]; - l("scrollbars.dragScrolling"); - l("scrollbars.touchSupport"); - var m = f || d; - var y = function setScrollbarVisibility(r, a) { - var e = "visible" === s || "auto" === s && "scroll" === r; + var Y = l.bind(0); + Y.Ur = P; + Y.qr = T; + return [ function(r, v, f) { + var l = f.Tr, c = f.Lr, s = f.Pr; + var d = Zr(a, r, v); + var g = e(); + var h = d("scrollbars.theme"), p = h[0], w = h[1]; + var b = d("scrollbars.visibility"), m = b[0], y = b[1]; + var S = d("scrollbars.autoHide"), C = S[0], O = S[1]; + var x = d("scrollbars.autoHideDelay"), E = x[0]; + d("scrollbars.dragScrolling"); + d("scrollbars.touchSupport"); + var z = l || c; + var A = s || y; + var P = function setScrollbarVisibility(r, a) { + var e = "visible" === m || "auto" === m && "scroll" === r; a(Ca, e); return e; }; - n = b; - if (m) { - var S = e(), C = S.Cr; - var O = y(C.x, H); - var x = y(C.y, V); - var E = O && x; - H(Oa, !E); - V(Oa, !E); + u = E; + if (A) { + var T = g.Cr; + var L = P(T.x, V); + var M = P(T.y, k); + var I = L && M; + V(Oa, !I); + k(Oa, !I); } - if (p) { - t = "move" === h; - i = "leave" === h; - v = "never" !== h; - j(!v, true); + if (w) { + V(o); + k(o); + V(p, true); + k(p, true); + o = p; } - }, F, O.bind(0, B) ]; + if (O) { + n = "move" === C; + t = "leave" === C; + i = "never" !== C; + F(!i, true); + } + if (z) { + un(j, g, true); + un(B, g); + } + }, Y, O.bind(0, U) ]; }; - var un = new Set; - var fn = new WeakMap; - var ln = function addInstance(r, a) { - fn.set(r, a); - un.add(r); + var ln = new Set; + var cn = new WeakMap; + var sn = function addInstance(r, a) { + cn.set(r, a); + ln.add(r); }; - var cn = function removeInstance(r) { - fn.delete(r); - un.delete(r); + var dn = function removeInstance(r) { + cn.delete(r); + ln.delete(r); }; - var sn = function getInstance(r) { - return fn.get(r); + var gn = function getInstance(r) { + return cn.get(r); }; - var dn = function OverlayScrollbars(r, a, e) { + var hn = function OverlayScrollbars(r, a, e) { var n = false; - var t = ge(), i = t.G, v = t.I, o = t.Y; - var u = Ia(); + var t = ge(), i = t.N, v = t.M, o = t.q; + var u = Ma(); var f = w(r) ? r : r.target; - var l = sn(f); + var l = gn(f); if (l) { return l; } @@ -2446,14 +2489,14 @@ var g = z({}, i(), d(a)); var h = Gr(e), p = h[0], b = h[1], m = h[2]; var y = Qe(r, g), S = y[0], C = y[1], O = y[2]; - var x = vn(r, g, C), P = x[0], T = x[1], L = x[2]; - var I = function update(r, a) { + var x = fn(r, g, C), P = x[0], T = x[1], L = x[2]; + var M = function update(r, a) { S(r, !!a); }; - var M = o(I.bind(0, {}, true)); + var I = o(M.bind(0, {}, true)); var R = function destroy(r) { - cn(f); - M(); + dn(f); + I(); L(); O(); n = true; @@ -2466,7 +2509,7 @@ var a = Ta(g, d(r)); if (!A(a)) { z(g, a); - I(a); + M(a); } } return z({}, g); @@ -2476,7 +2519,7 @@ r && a && b(r, a); }, state: function state() { - var r = C(), a = r.Er, e = r.zr, t = r.Cr, i = r.Ar, v = r.B, o = r.mr; + var r = C(), a = r.Er, e = r.zr, t = r.Cr, i = r.Ar, v = r.K, o = r.mr; return z({}, { overflowEdge: a, overflowAmount: e, @@ -2488,7 +2531,7 @@ }); }, elements: function elements() { - var r = C.Ur, a = r.rr, e = r.J, n = r.B, t = r.K, i = r.F; + var r = C.Ur, a = r.Z, e = r.$, n = r.K, t = r.J, i = r.rr; return z({}, { target: a, host: e, @@ -2498,7 +2541,7 @@ }); }, update: function update(r) { - I({}, r); + M({}, r); return D; }, destroy: R.bind(0) @@ -2518,7 +2561,7 @@ } C.qr(); T.qr(); - ln(f, D); + sn(f, D); m("initialized", [ D ]); C.Fr((function(r, a, e) { var n = r._r, t = r.br, i = r.hr, v = r.Tr, o = r.Lr, u = r.Pr, f = r.pr, l = r.Or; @@ -2539,9 +2582,9 @@ })); return D.update(true); }; - dn.plugin = Ma; - dn.env = function() { - var r = ge(), a = r.k, e = r.I, n = r.L, t = r.q, i = r.U, v = r.M, o = r.Z, u = r.$, f = r.N, l = r.W, c = r.G, s = r.X; + hn.plugin = Ia; + hn.env = function() { + var r = ge(), a = r.k, e = r.M, n = r.L, t = r.B, i = r.F, v = r.I, o = r.G, u = r.X, f = r.U, l = r.Y, c = r.N, s = r.W; return z({}, { scrollbarsSize: a, scrollbarsOverlaid: e, @@ -2557,7 +2600,7 @@ setDefaultOptions: s }); }; - r.OverlayScrollbars = dn; + r.OverlayScrollbars = hn; r.optionsValidationPlugin = Xa; r.scrollbarsHidingPlugin = oe; r.sizeObserverPlugin = Qa; diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.js.map index 8a04a49..1e78937 100644 --- a/packages/overlayscrollbars/dist/overlayscrollbars.js.map +++ b/packages/overlayscrollbars/dist/overlayscrollbars.js.map @@ -1 +1 @@ -{"version":3,"file":"overlayscrollbars.js","sources":["../src/support/utils/array.ts","../src/support/dom/style.ts","../src/support/cache.ts","../src/support/utils/types.ts","../src/support/utils/object.ts","../src/support/dom/attribute.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../src/support/dom/class.ts","../src/support/utils/equal.ts","../src/support/utils/function.ts","../src/support/dom/dimensions.ts","../src/support/dom/events.ts","../src/support/dom/offset.ts","../src/support/eventListeners.ts","../src/setups/setups.ts","../src/classnames.ts","../src/options.ts","../src/plugins/plugins.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/plugins/optionsValidationPlugin/validation.ts","../src/plugins/optionsValidationPlugin/optionsValidationPlugin.ts","../src/plugins/sizeObserverPlugin/sizeObserverPlugin.ts","../src/plugins/scrollbarsHidingPlugin/scrollbarsHidingPlugin.ts","../src/environment.ts","../src/initialization.ts","../src/setups/structureSetup/structureSetup.elements.ts","../src/setups/structureSetup/updateSegments/trinsicUpdateSegment.ts","../src/setups/structureSetup/updateSegments/paddingUpdateSegment.ts","../src/setups/structureSetup/updateSegments/overflowUpdateSegment.ts","../src/setups/structureSetup/structureSetup.update.ts","../src/observers/sizeObserver.ts","../src/observers/trinsicObserver.ts","../src/observers/domObserver.ts","../src/setups/structureSetup/structureSetup.observers.ts","../src/setups/structureSetup/structureSetup.ts","../src/setups/scrollbarsSetup/scrollbarsSetup.elements.ts","../src/setups/scrollbarsSetup/scrollbarsSetup.ts","../src/instances.ts","../src/overlayscrollbars.ts"],"sourcesContent":["import { isArrayLike, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype RunEachItem = ((...args: any) => any | any[]) | null | undefined;\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each(\r\n array: Array | ReadonlyArray,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray;\r\nexport function each(\r\n array: Array | ReadonlyArray | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | false | null | undefined;\r\nexport function each(\r\n arrayLikeObject: ArrayLike,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike;\r\nexport function each(\r\n arrayLikeObject: ArrayLike | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | false | null | undefined;\r\nexport function each(\r\n obj: PlainObject,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject;\r\nexport function each(\r\n obj: PlainObject | false | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | false | null | undefined;\r\nexport function each(\r\n source: Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined {\r\n if (isArrayLike(source)) {\r\n for (let i = 0; i < source.length; i++) {\r\n if (callback(source[i], i, source) === false) {\r\n break;\r\n }\r\n }\r\n } else if (source) {\r\n each(Object.keys(source), (key) => callback(source[key], key, source));\r\n }\r\n return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = (arr: T[], item: T, fromIndex?: number): number =>\r\n arr.indexOf(item, fromIndex);\r\n\r\n/**\r\n * Pushesh all given items into the given array and returns it.\r\n * @param array The array the items shall be pushed into.\r\n * @param items The items which shall be pushed into the array.\r\n */\r\nexport const push = (array: T[], items: T | ArrayLike, arrayIsSingleItem?: boolean): T[] => {\r\n !arrayIsSingleItem && !isString(items) && isArrayLike(items)\r\n ? Array.prototype.push.apply(array, items as T[])\r\n : array.push(items as T);\r\n return array;\r\n};\r\n\r\n/**\r\n * Creates a shallow-copied Array instance from an array-like or iterable object.\r\n * @param arr The object from which the array instance shall be created.\r\n */\r\nexport const from = (arr?: ArrayLike | Set) => {\r\n const original = Array.from;\r\n const result: T[] = [];\r\n\r\n if (original && arr) {\r\n return original(arr);\r\n }\r\n\r\n if (arr instanceof Set) {\r\n arr.forEach((value) => {\r\n push(result, value);\r\n });\r\n } else {\r\n each(arr, (elm) => {\r\n push(result, elm);\r\n });\r\n }\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the passed array is empty.\r\n * @param array The array which shall be checked.\r\n */\r\nexport const isEmptyArray = (array: any[] | null | undefined): boolean =>\r\n !!array && array.length === 0;\r\n\r\n/**\r\n * Calls all functions in the passed array/set of functions.\r\n * @param arr The array filled with function which shall be called.\r\n * @param args The args with which each function is called.\r\n * @param keep True when the Set / array should not be cleared afterwards, false otherwise.\r\n */\r\nexport const runEachAndClear = (arr: RunEachItem[], args?: any[], keep?: boolean): void => {\r\n // eslint-disable-next-line prefer-spread\r\n const runFn = (fn: RunEachItem) => fn && fn.apply(undefined, args || []);\r\n each(arr, runFn);\r\n !keep && ((arr as any[]).length = 0);\r\n};\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray, isUndefined } from 'support/utils/types';\r\nimport { PlainObject, StyleObject } from 'typings';\r\n\r\nexport interface TRBL {\r\n t: number;\r\n r: number;\r\n b: number;\r\n l: number;\r\n}\r\n\r\nconst cssNumber = {\r\n // animationiterationcount: 1,\r\n // columncount: 1,\r\n // fillopacity: 1,\r\n // flexgrow: 1,\r\n // flexshrink: 1,\r\n // fontweight: 1,\r\n // lineheight: 1,\r\n // order: 1,\r\n // orphans: 1,\r\n // widows: 1,\r\n // zoom: 1,\r\n opacity: 1,\r\n zindex: 1,\r\n};\r\n\r\nconst parseToZeroOrNumber = (value: string, toFloat?: boolean): number => {\r\n /* istanbul ignore next */\r\n const num = toFloat ? parseFloat(value) : parseInt(value, 10);\r\n // num === num means num is not NaN\r\n /* istanbul ignore next */\r\n return num === num ? num : 0; // eslint-disable-line no-self-compare\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number =>\r\n !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;\r\n\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n /* istanbul ignore next */\r\n computedStyle != null\r\n ? computedStyle[prop] || computedStyle.getPropertyValue(prop)\r\n : elm.style[prop];\r\n\r\nconst setCSSVal = (\r\n elm: HTMLElement | false | null | undefined,\r\n prop: string,\r\n val: string | number\r\n): void => {\r\n try {\r\n if (elm) {\r\n const { style: elmStyle } = elm;\r\n if (!isUndefined(elmStyle[prop])) {\r\n elmStyle[prop] = adaptCSSVal(prop, val);\r\n } else {\r\n elmStyle.setProperty(prop, val as string);\r\n }\r\n }\r\n } catch (e) {}\r\n};\r\n\r\n/**\r\n * Gets or sets the passed styles to the passed element.\r\n * @param elm The element to which the styles shall be applied to / be read from.\r\n * @param styles The styles which shall be set or read.\r\n */\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject\r\n): void;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: string\r\n): string;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: Array | string\r\n): { [key: string]: string };\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject | Array | string\r\n): { [key: string]: string } | string | void {\r\n const getSingleStyle = isString(styles);\r\n const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n if (getStyles) {\r\n let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n if (elm) {\r\n const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n getStylesResult = getSingleStyle\r\n ? getCSSVal(elm, computedStyle, styles as string)\r\n : (styles as Array).reduce((result, key) => {\r\n result[key] = getCSSVal(elm, computedStyle, key as string);\r\n return result;\r\n }, getStylesResult);\r\n }\r\n return getStylesResult;\r\n }\r\n each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\n/**\r\n * Hides the passed element (display: none).\r\n * @param elm The element which shall be hidden.\r\n */\r\nexport const hide = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'none' });\r\n};\r\n\r\n/**\r\n * Shows the passed element (display: block).\r\n * @param elm The element which shall be shown.\r\n */\r\nexport const show = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'block' });\r\n};\r\n\r\n/**\r\n * Returns the top right bottom left values of the passed css property.\r\n * @param elm The element of which the values shall be returned.\r\n * @param propertyPrefix The css property prefix. (e.g. \"border\")\r\n * @param propertySuffix The css property suffix. (e.g. \"width\")\r\n */\r\nexport const topRightBottomLeft = (\r\n elm?: HTMLElement | false | null | undefined,\r\n propertyPrefix?: string,\r\n propertySuffix?: string\r\n): TRBL => {\r\n const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : '';\r\n const finalSuffix = propertySuffix ? `-${propertySuffix}` : '';\r\n const top = `${finalPrefix}top${finalSuffix}`;\r\n const right = `${finalPrefix}right${finalSuffix}`;\r\n const bottom = `${finalPrefix}bottom${finalSuffix}`;\r\n const left = `${finalPrefix}left${finalSuffix}`;\r\n const result = style(elm, [top, right, bottom, left]);\r\n return {\r\n t: parseToZeroOrNumber(result[top]),\r\n r: parseToZeroOrNumber(result[right]),\r\n b: parseToZeroOrNumber(result[bottom]),\r\n l: parseToZeroOrNumber(result[left]),\r\n };\r\n};\r\n","export interface CacheOptions {\r\n // initial value of _value.\r\n _initialValue: Value;\r\n // Custom comparison function if shallow compare isn't enough. Returns true if nothing changed.\r\n _equal?: EqualCachePropFunction;\r\n // If true always updates _value and _previous, otherwise they update only when they changed.\r\n _alwaysUpdateValues?: boolean;\r\n}\r\n\r\nexport type CacheValues = [value: T, changed: boolean, previous?: T];\r\n\r\nexport type EqualCachePropFunction = (currentVal: Value, newVal: Value) => boolean;\r\n\r\nexport type CacheUpdater = (current: Value, previous?: Value) => Value;\r\n\r\nexport type UpdateCacheContextual = (newValue: Value, force?: boolean) => CacheValues;\r\n\r\nexport type UpdateCache = (force?: boolean) => CacheValues;\r\n\r\nexport type GetCurrentCache = (force?: boolean) => CacheValues;\r\n\r\nexport type Cache = [UpdateCache, GetCurrentCache];\r\n\r\nexport type CacheContextual = [UpdateCacheContextual, GetCurrentCache];\r\n\r\ntype CreateCache = {\r\n (options: CacheOptions): CacheContextual;\r\n (options: CacheOptions, update: CacheUpdater): Cache;\r\n (options: CacheOptions, update?: CacheUpdater):\r\n | CacheContextual\r\n | Cache;\r\n};\r\n\r\nexport const createCache: CreateCache = (\r\n options: CacheOptions,\r\n update?: CacheUpdater\r\n): CacheContextual | Cache => {\r\n const { _initialValue, _equal, _alwaysUpdateValues } = options;\r\n let _value: Value = _initialValue;\r\n let _previous: Value | undefined;\r\n\r\n const cacheUpdateContextual: UpdateCacheContextual = (newValue, force?) => {\r\n const curr = _value;\r\n\r\n const newVal = newValue;\r\n const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);\r\n\r\n if (changed || _alwaysUpdateValues) {\r\n _value = newVal;\r\n _previous = curr;\r\n }\r\n\r\n return [_value, changed, _previous];\r\n };\r\n const cacheUpdateIsolated: UpdateCache = (force?) =>\r\n cacheUpdateContextual(update!(_value, _previous), force);\r\n\r\n const getCurrentCache: GetCurrentCache = (force?: boolean) => [\r\n _value,\r\n !!force, // changed\r\n _previous,\r\n ];\r\n\r\n return [update ? cacheUpdateIsolated : cacheUpdateContextual, getCurrentCache] as\r\n | CacheContextual\r\n | Cache;\r\n};\r\n","import { PlainObject } from 'typings';\r\n\r\nconst ElementNodeType = Node.ELEMENT_NODE;\r\nconst { toString, hasOwnProperty } = Object.prototype;\r\n\r\nexport const isUndefined = (obj: any): obj is undefined => obj === undefined;\r\n\r\nexport const isNull = (obj: any): obj is null => obj === null;\r\n\r\nexport const type = (obj: any): string =>\r\n isUndefined(obj) || isNull(obj)\r\n ? `${obj}`\r\n : toString\r\n .call(obj)\r\n .replace(/^\\[object (.+)\\]$/, '$1')\r\n .toLowerCase();\r\n\r\nexport const isNumber = (obj: any): obj is number => typeof obj === 'number';\r\n\r\nexport const isString = (obj: any): obj is string => typeof obj === 'string';\r\n\r\nexport const isBoolean = (obj: any): obj is boolean => typeof obj === 'boolean';\r\n\r\nexport const isFunction = (obj: any): obj is (...args: any[]) => any => typeof obj === 'function';\r\n\r\nexport const isArray = (obj: any): obj is Array => Array.isArray(obj);\r\n\r\nexport const isObject = (obj: any): boolean =>\r\n typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport const isArrayLike = (obj: any): obj is ArrayLike => {\r\n const length = !!obj && obj.length;\r\n const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0; // eslint-disable-line eqeqeq\r\n\r\n return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat)\r\n ? length > 0 && isObject(obj)\r\n ? length - 1 in obj\r\n : true\r\n : false;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isPlainObject = (obj: any): obj is PlainObject => {\r\n if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n let key;\r\n const cstr = 'constructor';\r\n const ctor = obj[cstr];\r\n const ctorProto = ctor && ctor.prototype;\r\n const hasOwnConstructor = hasOwnProperty.call(obj, cstr);\r\n const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');\r\n\r\n if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n return false;\r\n }\r\n\r\n /* eslint-disable no-restricted-syntax */\r\n for (key in obj) {\r\n /**/\r\n }\r\n /* eslint-enable */\r\n\r\n return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isHTMLElement = (obj: any): obj is HTMLElement => {\r\n const instanceofObj = HTMLElement;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a Element.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isElement = (obj: any): obj is Element => {\r\n const instanceofObj = Element;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n","import { isArray, isFunction, isPlainObject, isNull } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\n\r\n/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array => (obj ? Object.keys(obj) : []);\r\n\r\ntype AssignDeep = {\r\n (target: T, object1: U): T & U;\r\n (target: T, object1: U, object2: V): T & U & V;\r\n (target: T, object1: U, object2: V, object3: W): T & U & V & W;\r\n (target: T, object1: U, object2: V, object3: W, object4: X): T & U & V & W & X;\r\n (target: T, object1: U, object2: V, object3: W, object4: X, object5: Y): T &\r\n U &\r\n V &\r\n W &\r\n X &\r\n Y;\r\n (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n ): T & U & V & W & X & Y & Z;\r\n};\r\n\r\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport const assignDeep: AssignDeep = (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n): T & U & V & W & X & Y & Z => {\r\n const sources: Array = [object1, object2, object3, object4, object5, object6];\r\n\r\n // Handle case when target is a string or something (possible in deep copy)\r\n if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {\r\n target = {} as T;\r\n }\r\n\r\n each(sources, (source) => {\r\n // Extend the base object\r\n each(keys(source), (key) => {\r\n const copy: any = source[key];\r\n\r\n // Prevent Object.prototype pollution\r\n // Prevent never-ending loop\r\n if (target === copy) {\r\n return true;\r\n }\r\n\r\n const copyIsArray = isArray(copy);\r\n\r\n // Recurse if we're merging plain objects or arrays\r\n if (copy && (isPlainObject(copy) || copyIsArray)) {\r\n const src = target[key];\r\n let clone: any = src;\r\n\r\n // Ensure proper type for the source value\r\n if (copyIsArray && !isArray(src)) {\r\n clone = [];\r\n } else if (!copyIsArray && !isPlainObject(src)) {\r\n clone = {};\r\n }\r\n\r\n // Never move original objects, clone them\r\n target[key] = assignDeep(clone, copy) as any;\r\n } else {\r\n target[key] = copy;\r\n }\r\n });\r\n });\r\n\r\n // Return the modified object\r\n return target as any;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isEmptyObject = (obj: any): boolean => {\r\n /* eslint-disable no-restricted-syntax, guard-for-in */\r\n for (const name in obj) return false;\r\n return true;\r\n /* eslint-enable */\r\n};\r\n","import { from } from 'support/utils/array';\r\nimport { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\ntype Attr = {\r\n (elm: HTMLElement | false | null | undefined, attrName: string): string | null;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value: string): void;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value?: string):\r\n | string\r\n | null\r\n | void;\r\n};\r\n\r\ntype GetSetProp = {\r\n (elm: HTMLElement | false | null | undefined): T;\r\n (elm: HTMLElement | false | null | undefined, value: T): void;\r\n (elm: HTMLElement | false | null | undefined, value?: T): number | void;\r\n};\r\n\r\nconst getSetProp = (\r\n topLeft: GetSetPropName,\r\n fallback: number | string,\r\n elm: HTMLElement | HTMLInputElement | false | null | undefined,\r\n value?: number | string\r\n): number | string | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm[topLeft] : fallback;\r\n }\r\n elm && (elm[topLeft] = value);\r\n};\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport const attr = ((\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value?: string\r\n): string | null | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm.getAttribute(attrName) : null;\r\n }\r\n elm && elm.setAttribute(attrName, value);\r\n}) as Attr;\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and adds or removes the given value from it.\r\n * @param elm The element.\r\n * @param attrName The attributeName to which the value shall be added or removed.\r\n * @param value The value which shall be added or removed.\r\n * @param add True if the value shall be added, false otherwise.\r\n */\r\nexport const attrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string,\r\n add?: boolean\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n currValuesSet[add ? 'add' : 'delete'](value);\r\n\r\n attr(elm, attrName, from(currValuesSet).join(' ').trim());\r\n};\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and checks if the given value is in it.\r\n * @param elm The element.\r\n * @param attrName The attributeName from which the content shall be checked.\r\n * @param value The value.\r\n * @returns True if the given attribute has the value in it, false otherwise.\r\n */\r\nexport const hasAttrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n return currValuesSet.has(value);\r\n};\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | false | null | undefined, attrName: string): void => {\r\n elm && elm.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport const scrollLeft = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void => getSetProp('scrollLeft', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport const scrollTop = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void => getSetProp('scrollTop', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport const val = ((\r\n elm: HTMLInputElement | false | null | undefined,\r\n value?: string\r\n): string | void => getSetProp('value', '', elm, value) as string) as GetSetProp;\r\n","import { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Node | Element | Node | false | null | undefined;\r\ntype OutputElementType = Node | Element | null;\r\n\r\nconst elmPrototype = Element.prototype;\r\n\r\n/**\r\n * Find all elements with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst find = (selector: string, elm?: InputElementType): Element[] => {\r\n const arr: Array = [];\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;\r\n};\r\n\r\n/**\r\n * Find the first element with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst findFirst = (selector: string, elm?: InputElementType): OutputElementType => {\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? rootElm.querySelector(selector) : null;\r\n};\r\n\r\n/**\r\n * Determines whether the passed element is matching with the passed selector.\r\n * @param elm The element which has to be compared with the passed selector.\r\n * @param selector The selector which has to be compared with the passed element. Additional selectors: ':visible' and ':hidden'.\r\n */\r\nconst is = (elm: InputElementType, selector: string): boolean => {\r\n if (isElement(elm)) {\r\n /* istanbul ignore next */\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const fn: (...args: any) => boolean = elmPrototype.matches || elmPrototype.msMatchesSelector;\r\n return fn.call(elm, selector);\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Returns the children (no text-nodes or comments) of the passed element which are matching the passed selector. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the children shall be returned.\r\n * @param selector The selector which must match with the children elements.\r\n */\r\nconst children = (elm: InputElementType, selector?: string): ReadonlyArray => {\r\n const childs: Array = [];\r\n\r\n return isElement(elm)\r\n ? push(\r\n childs,\r\n from(elm.children).filter((child) => (selector ? is(child, selector) : child))\r\n )\r\n : childs;\r\n};\r\n\r\n/**\r\n * Returns the childNodes (incl. text-nodes or comments etc.) of the passed element. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the childNodes shall be returned.\r\n */\r\nconst contents = (elm: InputElementType): ReadonlyArray =>\r\n elm ? from(elm.childNodes) : [];\r\n\r\n/**\r\n * Returns the parent element of the passed element, or null if the passed element is null.\r\n * @param elm The element of which the parent element shall be returned.\r\n */\r\nconst parent = (elm: InputElementType): OutputElementType => (elm ? elm.parentElement : null);\r\n\r\nexport const closest = (elm: InputElementType, selector: string): OutputElementType => {\r\n if (isElement(elm)) {\r\n const closestFn = elmPrototype.closest;\r\n if (closestFn) {\r\n return closestFn.call(elm, selector);\r\n }\r\n\r\n do {\r\n if (is(elm, selector)) {\r\n return elm as Element;\r\n }\r\n elm = parent(elm);\r\n } while (elm);\r\n }\r\n\r\n return null;\r\n};\r\n\r\n/**\r\n * Determines whether the given element lies between two selectors in the DOM.\r\n * @param elm The element.\r\n * @param highBoundarySelector The high boundary selector.\r\n * @param deepBoundarySelector The deep boundary selector.\r\n */\r\nconst liesBetween = (\r\n elm: InputElementType,\r\n highBoundarySelector: string,\r\n deepBoundarySelector: string\r\n): boolean => {\r\n const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);\r\n const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);\r\n\r\n return closestHighBoundaryElm && closestDeepBoundaryElm\r\n ? closestHighBoundaryElm === elm ||\r\n closestDeepBoundaryElm === elm ||\r\n closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm\r\n : false;\r\n};\r\n\r\nexport { find, findFirst, is, children, contents, parent, liesBetween };\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike | Node | false | null | undefined;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (\r\n parentElm: Node | false | null | undefined,\r\n preferredAnchor: Node | false | null | undefined,\r\n insertedElms: NodeCollection\r\n): void => {\r\n if (insertedElms) {\r\n let anchor: Node | false | null | undefined = preferredAnchor;\r\n let fragment: DocumentFragment | Node | null | undefined;\r\n\r\n // parent must be defined\r\n if (parentElm) {\r\n if (isArrayLike(insertedElms)) {\r\n fragment = document.createDocumentFragment();\r\n\r\n // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n each(insertedElms, (insertedElm) => {\r\n if (insertedElm === anchor) {\r\n anchor = insertedElm.previousSibling;\r\n }\r\n fragment!.appendChild(insertedElm);\r\n });\r\n } else {\r\n fragment = insertedElms;\r\n }\r\n\r\n // if the preferred anchor isn't null set it to a valid anchor\r\n if (preferredAnchor) {\r\n if (!anchor) {\r\n anchor = parentElm.firstChild;\r\n } else if (anchor !== preferredAnchor) {\r\n anchor = anchor.nextSibling;\r\n }\r\n }\r\n\r\n parentElm.insertBefore(fragment, anchor || null);\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n if (isArrayLike(nodes)) {\r\n each(from(nodes), (e) => removeElements(e));\r\n } else if (nodes) {\r\n const parentElm = parent(nodes);\r\n if (parentElm) {\r\n parentElm.removeChild(nodes);\r\n }\r\n }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { attr } from 'support/dom/attribute';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\n/**\r\n * Creates a div DOM node.\r\n */\r\nexport const createDiv = (classNames?: string): HTMLDivElement => {\r\n const div = document.createElement('div');\r\n if (classNames) {\r\n attr(div, 'class', classNames);\r\n }\r\n return div;\r\n};\r\n\r\n/**\r\n * Creates DOM nodes modeled after the passed html string and returns the root dom nodes as a array.\r\n * @param html The html string after which the DOM nodes shall be created.\r\n */\r\nexport const createDOM = (html: string): ReadonlyArray => {\r\n const createdDiv = createDiv();\r\n createdDiv.innerHTML = html.trim();\r\n\r\n return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { hasOwnProperty } from 'support/utils/object';\r\nimport { createDiv } from 'support/dom/create';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray = [\r\n 'WebKit',\r\n 'Moz',\r\n 'O',\r\n 'MS',\r\n 'webkit',\r\n 'moz',\r\n 'o',\r\n 'ms',\r\n];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without it, or and empty string if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string => {\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const uppercasedName: string = firstLetterToUpper(name);\r\n const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n each(cssPrefixes, (prefix: string) => {\r\n const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n const resultPossibilities: Array = [\r\n name, // transition\r\n prefix + name, // -webkit-transition\r\n prefixWithoutDashes + uppercasedName, // webkitTransition\r\n firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n ];\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return !(result = resultPossibilities.find(\r\n (resultPossibility: string) => elmStyle[resultPossibility] !== undefined\r\n ));\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported without it, or an empty string if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string => {\r\n const name = `${property} ${values}`;\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n const possbleValues: Array = values.split(' ');\r\n const preparedSuffix: string = suffix || '';\r\n const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n each(possbleValues, (possibleValue: string) => {\r\n each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n const prop = prefix + possibleValue;\r\n dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n if (dummyStyle.length) {\r\n result = prop;\r\n return false;\r\n }\r\n });\r\n return !result;\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): T | undefined => {\r\n let result: any = jsCache[name] || window[name];\r\n\r\n if (hasOwnProperty(jsCache, name)) {\r\n return result;\r\n }\r\n\r\n each(jsPrefixes, (prefix: string) => {\r\n result = result || window[prefix + firstLetterToUpper(name)];\r\n return !result;\r\n });\r\n\r\n jsCache[name] = result;\r\n return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const MutationObserverConstructor = jsAPI('MutationObserver');\r\nexport const IntersectionObserverConstructor =\r\n jsAPI('IntersectionObserver');\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\r\nexport const setT = window.setTimeout as (handler: TimerHandler, timeout?: number) => number;\r\nexport const clearT = window.clearTimeout as (id?: number) => void;\r\n","import { isString } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { keys } from 'support/utils/object';\r\n\r\ntype ClassContainingElement = Node | Element | false | null | undefined;\r\ntype ClassName = string | false | null | undefined;\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: ClassContainingElement,\r\n className: ClassName,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): boolean => {\r\n const classList = elm && (elm as Element).classList;\r\n let clazz: string;\r\n let i = 0;\r\n let result = false;\r\n\r\n if (classList && className && isString(className)) {\r\n const classes: Array = className.match(rnothtmlwhite) || [];\r\n result = classes.length > 0;\r\n while ((clazz = classes[i++])) {\r\n result = !!action(classList, clazz) && result;\r\n }\r\n }\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: ClassContainingElement, className: ClassName): boolean =>\r\n classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: ClassContainingElement, className: ClassName): void => {\r\n classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n * @returns A function which removes the added class name(s).\r\n */\r\nexport const addClass = (elm: ClassContainingElement, className: ClassName): (() => void) => {\r\n classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n return removeClass.bind(0, elm, className);\r\n};\r\n\r\n/**\r\n * Takes two className strings, compares them and returns the difference as array.\r\n * @param classNameA ClassName A.\r\n * @param classNameB ClassName B.\r\n */\r\nexport const diffClass = (classNameA: ClassName, classNameB: ClassName) => {\r\n const classNameASplit = classNameA && classNameA.split(' ');\r\n const classNameBSplit = classNameB && classNameB.split(' ');\r\n const tempObj = {};\r\n\r\n each(classNameASplit, (className) => {\r\n tempObj[className] = 1;\r\n });\r\n each(classNameBSplit, (className) => {\r\n if (tempObj[className]) {\r\n delete tempObj[className];\r\n } else {\r\n tempObj[className] = 1;\r\n }\r\n });\r\n\r\n return keys(tempObj);\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { WH, XY, TRBL } from 'support/dom';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Compares two objects and returns true if all values of the passed prop names are identical, false otherwise or if one of the two object is falsy.\r\n * @param a Object a.\r\n * @param b Object b.\r\n * @param props The props which shall be compared.\r\n */\r\nexport const equal = (\r\n a: T | undefined,\r\n b: T | undefined,\r\n props: Array,\r\n propMutation?: ((value: any) => any) | null | false\r\n): boolean => {\r\n if (a && b) {\r\n let result = true;\r\n each(props, (prop) => {\r\n const compareA = propMutation ? propMutation(a[prop]) : a[prop];\r\n const compareB = propMutation ? propMutation(b[prop]) : b[prop];\r\n if (compareA !== compareB) {\r\n result = false;\r\n }\r\n });\r\n return result;\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalWH = (a?: WH, b?: WH) => equal>(a, b, ['w', 'h']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalXY = (a?: XY, b?: XY) => equal>(a, b, ['x', 'y']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalTRBL = (a?: TRBL, b?: TRBL) => equal(a, b, ['t', 'r', 'b', 'l']);\r\n\r\n/**\r\n * Compares two DOM Rects for their equality of their width and height properties\r\n * Also returns false if one of the DOM Rects is undefined or null.\r\n * @param a DOM Rect a.\r\n * @param b DOM Rect b.\r\n * @param round Whether the values should be rounded.\r\n */\r\nexport const equalBCRWH = (a?: DOMRect, b?: DOMRect, round?: boolean) =>\r\n equal(a, b, ['width', 'height'], round && ((value) => Math.round(value)));\r\n","import { isNumber, isFunction } from 'support/utils/types';\r\nimport { from } from 'support/utils/array';\r\nimport { rAF, cAF, setT, clearT } from 'support/compatibility/apis';\r\n\r\ntype DebounceTiming = number | false | null | undefined;\r\n\r\nexport interface DebounceOptions any> {\r\n /**\r\n * The timeout for debouncing. If null, no debounce is applied.\r\n */\r\n _timeout?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * A maximum amount of ms. before the function will be called even with debounce.\r\n */\r\n _maxDelay?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * Function which merges parameters for each canceled debounce.\r\n * If parameters can't be merged the function will return null, otherwise it returns the merged parameters.\r\n */\r\n _mergeParams?: (\r\n prev: Parameters,\r\n curr: Parameters\r\n ) => Parameters | false | null | undefined;\r\n}\r\n\r\nexport interface Debounced any> {\r\n (...args: Parameters): ReturnType;\r\n _flush(): void;\r\n}\r\n\r\nexport const noop = () => {}; // eslint-disable-line\r\n\r\n/**\r\n * Debounces the given function either with a timeout or a animation frame.\r\n * @param functionToDebounce The function which shall be debounced.\r\n * @param options Options for debouncing.\r\n */\r\nexport const debounce = any>(\r\n functionToDebounce: FunctionToDebounce,\r\n options?: DebounceOptions\r\n): Debounced => {\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n let clear: () => void = noop;\r\n const { _timeout, _maxDelay, _mergeParams } = options || {};\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clear();\r\n clearT(maxTimeoutId);\r\n maxTimeoutId = prevArguments = undefined;\r\n clear = noop;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n functionToDebounce.apply(this, args);\r\n };\r\n\r\n const mergeParms = (\r\n curr: Parameters\r\n ): Parameters | false | null | undefined =>\r\n _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;\r\n\r\n const flush = () => {\r\n /* istanbul ignore next */\r\n if (clear !== noop) {\r\n invokeFunctionToDebounce(mergeParms(latestArguments!) || latestArguments!);\r\n }\r\n };\r\n\r\n const debouncedFn = function () {\r\n // eslint-disable-next-line prefer-rest-params\r\n const args: Parameters = from(arguments) as Parameters;\r\n const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;\r\n const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;\r\n\r\n if (hasTimeout) {\r\n const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;\r\n const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;\r\n const setTimeoutFn = finalTimeout > 0 ? setT : rAF!;\r\n const clearTimeoutFn = finalTimeout > 0 ? clearT : cAF!;\r\n const mergeParamsResult = mergeParms(args);\r\n const invokedArgs = mergeParamsResult || args;\r\n const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);\r\n\r\n // if (!mergeParamsResult) {\r\n // invokeFunctionToDebounce(prevArguments || args);\r\n // }\r\n\r\n clear();\r\n // @ts-ignore\r\n const timeoutId = setTimeoutFn(boundInvoke, finalTimeout);\r\n clear = () => clearTimeoutFn(timeoutId);\r\n\r\n if (hasMaxWait && !maxTimeoutId) {\r\n maxTimeoutId = setT(flush, finalMaxWait as number);\r\n }\r\n\r\n prevArguments = latestArguments = invokedArgs;\r\n } else {\r\n invokeFunctionToDebounce(args);\r\n }\r\n };\r\n debouncedFn._flush = flush;\r\n\r\n return debouncedFn as Debounced;\r\n};\r\n","import { style } from 'support/dom/style';\r\n\r\nexport interface WH {\r\n w: T;\r\n h: T;\r\n}\r\n\r\nconst elementHasDimensions = (elm: HTMLElement): boolean =>\r\n !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\nconst zeroObj: WH = {\r\n w: 0,\r\n h: 0,\r\n};\r\n\r\n/**\r\n * Returns the window inner- width and height.\r\n */\r\nexport const windowSize = (): WH => ({\r\n w: window.innerWidth,\r\n h: window.innerHeight,\r\n});\r\n\r\n/**\r\n * Returns the scroll- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the scroll- width and height shall be returned.\r\n */\r\nexport const offsetSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.offsetWidth,\r\n h: elm.offsetHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const clientSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.clientWidth,\r\n h: elm.clientHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const scrollSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.scrollWidth,\r\n h: elm.scrollHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the fractional- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the fractional- width and height shall be returned.\r\n */\r\nexport const fractionalSize = (elm: HTMLElement | false | null | undefined): WH => {\r\n const cssHeight = parseFloat(style(elm, 'height')) || 0;\r\n const cssWidth = parseFloat(style(elm, 'height')) || 0;\r\n return {\r\n w: cssWidth - Math.round(cssWidth),\r\n h: cssHeight - Math.round(cssHeight),\r\n };\r\n};\r\n\r\n/**\r\n * Returns the BoundingClientRect of the passed element.\r\n * @param elm The element of which the BoundingClientRect shall be returned.\r\n */\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n\r\n/**\r\n * Determines whether the passed element has any dimensions.\r\n * @param elm The element.\r\n */\r\nexport const hasDimensions = (elm: HTMLElement | false | null | undefined): boolean =>\r\n elm ? elementHasDimensions(elm as HTMLElement) : false;\r\n","import { isUndefined } from 'support/utils/types';\r\nimport { each, push, runEachAndClear } from 'support/utils/array';\r\n\r\nlet passiveEventsSupport: boolean;\r\nconst supportPassiveEvents = (): boolean => {\r\n if (isUndefined(passiveEventsSupport)) {\r\n passiveEventsSupport = false;\r\n try {\r\n /* eslint-disable */\r\n // @ts-ignore\r\n window.addEventListener(\r\n 'test',\r\n null,\r\n Object.defineProperty({}, 'passive', {\r\n get() {\r\n passiveEventsSupport = true;\r\n },\r\n })\r\n );\r\n /* eslint-enable */\r\n } catch (e) {}\r\n }\r\n return passiveEventsSupport;\r\n};\r\nconst splitEventNames = (eventNames: string) => eventNames.split(' ');\r\n\r\nexport interface OnOptions {\r\n _capture?: boolean;\r\n _passive?: boolean;\r\n _once?: boolean;\r\n}\r\n\r\n/**\r\n * Removes the passed event listener for the passed events with the passed options.\r\n * @param target The element from which the listener shall be removed.\r\n * @param eventNames The eventsnames for which the listener shall be removed.\r\n * @param listener The listener which shall be removed.\r\n * @param capture The options of the removed listener.\r\n */\r\nexport const off = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n capture?: boolean\r\n): void => {\r\n each(splitEventNames(eventNames), (eventName) => {\r\n target.removeEventListener(eventName, listener as EventListener, capture);\r\n });\r\n};\r\n\r\n/**\r\n * Adds the passed event listener for the passed eventnames with the passed options.\r\n * @param target The element to which the listener shall be added.\r\n * @param eventNames The eventsnames for which the listener shall be called.\r\n * @param listener The listener which is called on the eventnames.\r\n * @param options The options of the added listener.\r\n */\r\nexport const on = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n options?: OnOptions\r\n): (() => void) => {\r\n const doSupportPassiveEvents = supportPassiveEvents();\r\n const passive = (doSupportPassiveEvents && options && options._passive) ?? doSupportPassiveEvents;\r\n const capture = (options && options._capture) || false;\r\n const once = (options && options._once) || false;\r\n const offListeners: (() => void)[] = [];\r\n const nativeOptions: AddEventListenerOptions | boolean = doSupportPassiveEvents\r\n ? {\r\n passive,\r\n capture,\r\n }\r\n : capture;\r\n\r\n each(splitEventNames(eventNames), (eventName) => {\r\n const finalListener = (\r\n once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener\r\n ) as EventListener;\r\n\r\n push(offListeners, off.bind(null, target, eventName, finalListener, capture));\r\n target.addEventListener(eventName, finalListener, nativeOptions);\r\n });\r\n\r\n return runEachAndClear.bind(0, offListeners);\r\n};\r\n\r\n/**\r\n * Shorthand for the stopPropagation event Method.\r\n * @param evt The event of which the stopPropagation method shall be called.\r\n */\r\nexport const stopPropagation = (evt: Event): void => evt.stopPropagation();\r\n\r\n/**\r\n * Shorthand for the preventDefault event Method.\r\n * @param evt The event of which the preventDefault method shall be called.\r\n */\r\nexport const preventDefault = (evt: Event): void => evt.preventDefault();\r\n\r\n/**\r\n * Shorthand for the stopPropagation and preventDefault event Method.\r\n * @param evt The event of which the stopPropagation and preventDefault methods shall be called.\r\n */\r\nexport const stopAndPrevent = (evt: Event): void =>\r\n (stopPropagation(evt) as undefined) || (preventDefault(evt) as undefined);\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\n\r\nexport interface XY {\r\n x: T;\r\n y: T;\r\n}\r\n\r\nconst zeroObj: XY = {\r\n x: 0,\r\n y: 0,\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element relative to the document. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const absoluteCoordinates = (elm: HTMLElement | null | undefined): XY => {\r\n const rect = elm ? getBoundingClientRect(elm) : 0;\r\n return rect\r\n ? {\r\n x: rect.left + window.pageYOffset,\r\n y: rect.top + window.pageXOffset,\r\n }\r\n : zeroObj;\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const offsetCoordinates = (elm: HTMLElement | null | undefined): XY =>\r\n elm\r\n ? {\r\n x: elm.offsetLeft,\r\n y: elm.offsetTop,\r\n }\r\n : zeroObj;\r\n","import { isArray } from 'support/utils/types';\r\nimport { keys } from 'support/utils/object';\r\nimport { each, from, isEmptyArray } from 'support/utils/array';\r\n\r\nexport type EventListener<\r\n EventMap extends Record,\r\n Name extends keyof EventMap = keyof EventMap\r\n> = (...args: EventMap[Name]) => void;\r\n\r\nexport type InitialEventListeners> = {\r\n [K in keyof EventMap]?: EventListener | EventListener[];\r\n};\r\n\r\nconst manageListener = >(\r\n callback: (listener?: EventListener) => void,\r\n listener?: EventListener | EventListener[]\r\n) => {\r\n each(isArray(listener) ? listener : [listener], callback);\r\n};\r\n\r\nexport const createEventListenerHub = >(\r\n initialEventListeners?: InitialEventListeners\r\n) => {\r\n type EventListener = (\r\n ...args: EventMap[Name]\r\n ) => void;\r\n type RemoveEvent = {\r\n (name?: Name, listener?: EventListener): void;\r\n (name?: Name, listener?: EventListener[]): void;\r\n (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void;\r\n };\r\n type AddEvent = {\r\n (name: Name, listener: EventListener): () => void;\r\n (name: Name, listener: EventListener[]): () => void;\r\n (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): () => void;\r\n };\r\n type TriggerEvent = {\r\n (name: Name, args?: EventMap[Name]): void;\r\n };\r\n\r\n const events = new Map>();\r\n\r\n const removeEvent: RemoveEvent = (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void => {\r\n if (name) {\r\n const eventSet = events.get(name);\r\n manageListener((currListener) => {\r\n if (eventSet) {\r\n eventSet[currListener ? 'delete' : 'clear'](currListener!);\r\n }\r\n }, listener as any);\r\n } else {\r\n events.forEach((eventSet) => {\r\n eventSet.clear();\r\n });\r\n events.clear();\r\n }\r\n };\r\n\r\n const addEvent: AddEvent = (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): (() => void) => {\r\n const eventSet = events.get(name) || new Set();\r\n events.set(name, eventSet);\r\n\r\n manageListener((currListener) => {\r\n currListener && eventSet.add(currListener);\r\n }, listener as any);\r\n\r\n return removeEvent.bind(0, name as any, listener as any);\r\n };\r\n\r\n const triggerEvent: TriggerEvent = (\r\n name: Name,\r\n args?: EventMap[Name]\r\n ): void => {\r\n const eventSet = events.get(name);\r\n\r\n each(from(eventSet), (event) => {\r\n if (args && !isEmptyArray(args)) {\r\n (event as (...args: EventMap[keyof EventMap]) => void).apply(0, args as any);\r\n } else {\r\n (event as () => void)();\r\n }\r\n });\r\n };\r\n\r\n const initialListenerKeys = keys(initialEventListeners) as Extract[];\r\n each(initialListenerKeys, (key) => {\r\n addEvent(key, initialEventListeners![key] as any);\r\n });\r\n\r\n return [addEvent, removeEvent, triggerEvent] as [AddEvent, RemoveEvent, TriggerEvent];\r\n};\r\n","import { assignDeep, hasOwnProperty } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { PartialOptions } from 'typings';\r\n\r\nexport type SetupElements> = [elements: T, destroy: () => void];\r\n\r\nexport type SetupUpdate = (\r\n changedOptions: PartialOptions,\r\n force: boolean,\r\n ...args: T\r\n) => void;\r\n\r\nexport type SetupUpdateCheckOption = (path: string) => [value: T, changed: boolean];\r\n\r\nexport type SetupUpdateSegment> = (\r\n updateHints: Hints,\r\n checkOption: SetupUpdateCheckOption,\r\n force: boolean\r\n) => Partial | void;\r\n\r\nexport type SetupState> = [\r\n get: () => T,\r\n set: (newState: Partial) => void\r\n];\r\n\r\nexport type Setup<\r\n DynamicState,\r\n StaticState extends Record = Record,\r\n A extends any[] = []\r\n> = [update: SetupUpdate, state: (() => DynamicState) & StaticState, destroy: () => void];\r\n\r\nconst getPropByPath = (obj: any, path: string): T =>\r\n obj\r\n ? path.split('.').reduce((o, prop) => (o && hasOwnProperty(o, prop) ? o[prop] : undefined), obj)\r\n : undefined;\r\n\r\nexport const createOptionCheck =\r\n (\r\n options: ReadonlyOSOptions,\r\n changedOptions: PartialOptions,\r\n force?: boolean\r\n ): SetupUpdateCheckOption =>\r\n (path: string) =>\r\n [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== undefined];\r\n\r\nexport const createState = (initialState: S): SetupState => {\r\n let state: S = initialState;\r\n return [\r\n () => state,\r\n (newState: Partial) => {\r\n state = assignDeep({}, state, newState);\r\n },\r\n ];\r\n};\r\n","export const classNameEnvironment = 'os-environment';\r\nexport const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;\r\nexport const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;\r\n\r\nexport const dataAttributeHost = 'data-overlayscrollbars';\r\nexport const dataAttributeHostOverflowX = `${dataAttributeHost}-overflow-x`;\r\nexport const dataAttributeHostOverflowY = `${dataAttributeHost}-overflow-y`;\r\nexport const dataValueHostOverflowVisible = 'overflowVisible';\r\nexport const dataValueHostViewportScrollbarStyling = 'viewportStyled';\r\nexport const classNamePadding = 'os-padding';\r\nexport const classNameViewport = 'os-viewport';\r\nexport const classNameViewportArrange = `${classNameViewport}-arrange`;\r\nexport const classNameContent = 'os-content';\r\nexport const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;\r\nexport const classNameOverflowVisible = `os-overflow-visible`;\r\n\r\nexport const classNameSizeObserver = 'os-size-observer';\r\nexport const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;\r\nexport const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;\r\nexport const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;\r\nexport const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;\r\nexport const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;\r\n\r\nexport const classNameTrinsicObserver = 'os-trinsic-observer';\r\n\r\nexport const classNameScrollbar = 'os-scrollbar';\r\nexport const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;\r\nexport const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;\r\nexport const classNameScrollbarTrack = 'os-scrollbar-track';\r\nexport const classNameScrollbarHandle = 'os-scrollbar-handle';\r\nexport const classNamesScrollbarVisible = `${classNameScrollbar}-visible`;\r\nexport const classNamesScrollbarCornerless = `${classNameScrollbar}-cornerless`;\r\nexport const classNamesScrollbarTransitionless = `${classNameScrollbar}-transitionless`;\r\nexport const classNamesScrollbarInteraction = `${classNameScrollbar}-interaction`;\r\nexport const classNamesScrollbarAutoHidden = `${classNameScrollbar}-auto-hidden`;\r\n","import { assignDeep, each, isObject, keys, isArray, hasOwnProperty, isFunction } from 'support';\r\nimport { PartialOptions, ReadonlyOptions } from 'typings';\r\n\r\nconst opsStringify = (value: any) =>\r\n JSON.stringify(value, (_, val) => {\r\n if (isFunction(val)) {\r\n throw new Error();\r\n }\r\n return val;\r\n });\r\n\r\nexport type ResizeBehavior = 'none' | 'both' | 'horizontal' | 'vertical';\r\n\r\nexport type OverflowBehavior =\r\n | 'hidden'\r\n | 'scroll'\r\n | 'visible'\r\n | 'visible-hidden'\r\n | 'visible-scroll';\r\n\r\nexport type ScrollbarVisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type ScrollbarAutoHideBehavior = 'never' | 'scroll' | 'leave' | 'move';\r\n\r\nexport type ScrollBehavior = 'always' | 'ifneeded' | 'never';\r\n\r\nexport type BasicEventCallback = (this: any) => void;\r\n\r\nexport type ScrollEventCallback = (this: any, args?: UIEvent) => void;\r\n\r\nexport type OverflowChangedCallback = (this: any, args?: OverflowChangedArgs) => void;\r\n\r\nexport type OverflowAmountChangedCallback = (this: any, args?: OverflowAmountChangedArgs) => void;\r\n\r\nexport type DirectionChangedCallback = (this: any, args?: DirectionChangedArgs) => void;\r\n\r\nexport type SizeChangedCallback = (this: any, args?: SizeChangedArgs) => void;\r\n\r\nexport type UpdatedCallback = (this: any, args?: UpdatedArgs) => void;\r\n\r\nexport interface Options {\r\n paddingAbsolute: boolean;\r\n updating: {\r\n elementEvents: Array<[elementSelector: string, eventNames: string]> | null;\r\n attributes: string[] | null;\r\n debounce: [timeout: number, maxWait: number] | number | null; // (if tuple: [timeout: 0, maxWait: 33], if number: [timeout: number, maxWait: false]) debounce for content Changes\r\n ignoreMutation: ((mutation: MutationRecord) => any) | null;\r\n };\r\n overflow: {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n };\r\n scrollbars: {\r\n visibility: ScrollbarVisibilityBehavior;\r\n autoHide: ScrollbarAutoHideBehavior;\r\n autoHideDelay: number;\r\n dragScroll: boolean;\r\n clickScroll: boolean;\r\n touch: boolean;\r\n };\r\n nativeScrollbarsOverlaid: {\r\n show: boolean;\r\n initialize: boolean;\r\n };\r\n}\r\n\r\nexport type ReadonlyOSOptions = ReadonlyOptions;\r\n\r\nexport interface OverflowChangedArgs {\r\n x: boolean;\r\n y: boolean;\r\n xScrollable: boolean;\r\n yScrollable: boolean;\r\n clipped: boolean;\r\n}\r\n\r\nexport interface OverflowAmountChangedArgs {\r\n x: number;\r\n y: number;\r\n}\r\n\r\nexport interface DirectionChangedArgs {\r\n isRTL: number;\r\n dir: string;\r\n}\r\n\r\nexport interface SizeChangedArgs {\r\n width: number;\r\n height: number;\r\n}\r\n\r\nexport interface UpdatedArgs {\r\n forced: boolean;\r\n}\r\n\r\nexport const defaultOptions: Options = {\r\n // resize: 'none', // none || both || horizontal || vertical || n || b || h || v\r\n paddingAbsolute: false, // true || false\r\n updating: {\r\n elementEvents: [['img', 'load']], // array of tuples || null\r\n debounce: [0, 33], // number || number array || null\r\n attributes: null, // string array || null\r\n ignoreMutation: null, // () => any || null\r\n },\r\n overflow: {\r\n x: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n y: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n },\r\n nativeScrollbarsOverlaid: {\r\n show: false, // true || false\r\n initialize: false, // true || false\r\n },\r\n scrollbars: {\r\n visibility: 'auto', // visible || hidden || auto || v || h || a\r\n autoHide: 'never', // never || scroll || leave || move || n || s || l || m\r\n autoHideDelay: 800, // number\r\n dragScroll: true, // true || false\r\n clickScroll: false, // true || false\r\n touch: true, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: false, // true || false\r\n dynHeight: false, // true || false\r\n inheritedAttrs: ['style', 'class'], // string || array || null\r\n },\r\n */\r\n};\r\n\r\nexport const getOptionsDiff = (\r\n currOptions: T,\r\n newOptions: PartialOptions\r\n): PartialOptions => {\r\n const diff: PartialOptions = {};\r\n const optionsKeys = keys(newOptions).concat(keys(currOptions));\r\n\r\n each(optionsKeys, (optionKey) => {\r\n const currOptionValue = currOptions[optionKey];\r\n const newOptionValue = newOptions[optionKey];\r\n\r\n if (isObject(currOptionValue) && isObject(newOptionValue)) {\r\n assignDeep((diff[optionKey] = {}), getOptionsDiff(currOptionValue, newOptionValue));\r\n } else if (hasOwnProperty(newOptions, optionKey) && newOptionValue !== currOptionValue) {\r\n let isDiff = true;\r\n\r\n if (isArray(currOptionValue) || isArray(newOptionValue)) {\r\n try {\r\n if (opsStringify(currOptionValue) === opsStringify(newOptionValue)) {\r\n isDiff = false;\r\n }\r\n } catch {}\r\n }\r\n\r\n if (isDiff) {\r\n diff[optionKey] = newOptionValue;\r\n }\r\n }\r\n });\r\n\r\n return diff;\r\n};\r\n","import { assignDeep, each, isArray, keys } from 'support';\r\nimport { OverlayScrollbars, OverlayScrollbarsStatic } from 'overlayscrollbars';\r\n\r\nexport type PluginInstance =\r\n | Record\r\n | ((staticObj: OverlayScrollbarsStatic, instanceObj: OverlayScrollbars) => void);\r\nexport type Plugin = {\r\n [pluginName: string]: T;\r\n};\r\n\r\nconst pluginRegistry: Record = {};\r\n\r\nexport const getPlugins = () => assignDeep({}, pluginRegistry);\r\n\r\nexport const addPlugin = (addedPlugin: Plugin | Plugin[]) => {\r\n each((isArray(addedPlugin) ? addedPlugin : [addedPlugin]) as Plugin[], (plugin) => {\r\n each(keys(plugin), (pluginName) => {\r\n pluginRegistry[pluginName] = plugin[pluginName];\r\n });\r\n });\r\n};\r\n","function _extends() {\n module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","import { each, hasOwnProperty, keys, push, isEmptyObject } from 'support/utils';\r\nimport { type, isArray, isUndefined, isPlainObject, isString } from 'support/utils/types';\r\nimport { PlainObject, PartialOptions } from 'typings';\r\n\r\nexport type OptionsObjectType = Record;\r\nexport type OptionsFunctionType = (this: any, ...args: any[]) => any;\r\nexport type OptionsTemplateType = ExtractPropsKey<\r\n OptionsTemplateTypeMap,\r\n T\r\n>;\r\nexport type OptionsTemplateTypes = keyof OptionsTemplateTypeMap;\r\nexport type OptionsTemplateNativeTypes = OptionsTemplateTypeMap[keyof OptionsTemplateTypeMap];\r\n\r\nexport type OptionsTemplateValue = T extends string\r\n ? string extends T\r\n ? OptionsTemplateValueNonEnum\r\n : string\r\n : OptionsTemplateValueNonEnum;\r\n\r\nexport type OptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsTemplateValue\r\n : never;\r\n};\r\n\r\nexport type OptionsValidationResult = [\r\n PartialOptions, // validated\r\n Record // foreign\r\n];\r\n\r\ntype OptionsTemplateTypeMap = {\r\n __TPL_boolean_TYPE__: boolean;\r\n __TPL_number_TYPE__: number;\r\n __TPL_string_TYPE__: string;\r\n __TPL_array_TYPE__: Array | ReadonlyArray;\r\n __TPL_function_TYPE__: OptionsFunctionType;\r\n __TPL_null_TYPE__: null;\r\n __TPL_object_TYPE__: OptionsObjectType;\r\n};\r\n\r\ntype OptionsTemplateValueNonEnum =\r\n | OptionsTemplateType\r\n | [OptionsTemplateType, ...Array];\r\n\r\ntype ExtractPropsKey = {\r\n [P in keyof T]: TProps extends T[P] ? P : never;\r\n}[keyof T];\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n readonly boolean: OptionsTemplateType;\r\n readonly number: OptionsTemplateType;\r\n readonly string: OptionsTemplateType;\r\n readonly array: OptionsTemplateType>;\r\n readonly object: OptionsTemplateType;\r\n readonly function: OptionsTemplateType;\r\n readonly null: OptionsTemplateType;\r\n};\r\n\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = {\r\n boolean: '__TPL_boolean_TYPE__',\r\n number: '__TPL_number_TYPE__',\r\n string: '__TPL_string_TYPE__',\r\n array: '__TPL_array_TYPE__',\r\n object: '__TPL_object_TYPE__',\r\n function: '__TPL_function_TYPE__',\r\n null: '__TPL_null_TYPE__',\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean,\r\n propPath?: string\r\n): OptionsValidationResult => {\r\n const validatedOptions: PartialOptions = {};\r\n const optionsCopy: PartialOptions = { ...options };\r\n const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n each(props, (prop: Extract) => {\r\n const optionsValue: any = options[prop];\r\n const templateValue: PlainObject | string | OptionsTemplateTypes | Array =\r\n template[prop];\r\n const templateIsComplex = isPlainObject(templateValue);\r\n const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n if (templateIsComplex && isPlainObject(optionsValue)) {\r\n const [validated, foreign] = validateRecursive(\r\n templateValue as T,\r\n optionsValue,\r\n doWriteErrors,\r\n propPrefix + prop\r\n );\r\n validatedOptions[prop] = validated as any;\r\n optionsCopy[prop] = foreign as any;\r\n\r\n each([optionsCopy, validatedOptions], (value) => {\r\n if (isEmptyObject(value[prop])) {\r\n delete value[prop];\r\n }\r\n });\r\n } else if (!templateIsComplex) {\r\n let isValid = false;\r\n const errorEnumStrings: Array = [];\r\n const errorPossibleTypes: Array = [];\r\n const optionsValueType = type(optionsValue);\r\n const templateValueArr: Array = !isArray(templateValue)\r\n ? [templateValue as string | OptionsTemplateTypes]\r\n : (templateValue as Array);\r\n\r\n each(templateValueArr, (currTemplateType) => {\r\n // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n let typeString: string | undefined;\r\n each(optionsTemplateTypes, (value: string, key: string) => {\r\n if (value === currTemplateType) {\r\n typeString = key;\r\n }\r\n });\r\n const isEnumString = isUndefined(typeString);\r\n if (isEnumString && isString(optionsValue)) {\r\n // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n const enumStringSplit = currTemplateType.split(' ');\r\n isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n // build error message\r\n push(errorEnumStrings, enumStringSplit);\r\n } else {\r\n isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n }\r\n\r\n // build error message\r\n push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString!);\r\n\r\n // continue if invalid, break if valid\r\n return !isValid;\r\n });\r\n\r\n if (isValid) {\r\n validatedOptions[prop] = optionsValue;\r\n } else if (doWriteErrors) {\r\n console.warn(\r\n `${\r\n `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n }${\r\n errorEnumStrings.length > 0\r\n ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].`\r\n : ''\r\n }`\r\n );\r\n }\r\n\r\n delete optionsCopy[prop];\r\n }\r\n });\r\n\r\n return [validatedOptions, optionsCopy]; // optionsCopy equals now to foreign options\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a tuple which looks like:\r\n * [\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * ]\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validateOptions = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean\r\n): OptionsValidationResult => validateRecursive(template, options, doWriteErrors);\r\n\r\nexport { validateOptions, optionsTemplateTypes };\r\n","import {\r\n Options,\r\n OverflowBehavior,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport {\r\n validateOptions,\r\n OptionsTemplate,\r\n OptionsTemplateValue,\r\n optionsTemplateTypes as oTypes,\r\n} from 'plugins/optionsValidationPlugin/validation';\r\nimport type { PartialOptions } from 'typings';\r\nimport type { Plugin } from 'plugins';\r\n\r\nconst numberAllowedValues: OptionsTemplateValue = oTypes.number;\r\nconst booleanAllowedValues: OptionsTemplateValue = oTypes.boolean;\r\nconst arrayNullValues: OptionsTemplateValue | null> = [oTypes.array, oTypes.null];\r\nconst overflowAllowedValues: OptionsTemplateValue =\r\n 'hidden scroll visible visible-hidden';\r\nconst scrollbarsVisibilityAllowedValues: OptionsTemplateValue =\r\n 'visible hidden auto';\r\nconst scrollbarsAutoHideAllowedValues: OptionsTemplateValue =\r\n 'never scroll leavemove';\r\n\r\nconst optionsTemplate: OptionsTemplate = {\r\n // resize: resizeAllowedValues, // none || both || horizontal || vertical || n || b ||\r\n paddingAbsolute: booleanAllowedValues, // true || false\r\n updating: {\r\n elementEvents: arrayNullValues, // array of tuples || null\r\n attributes: arrayNullValues,\r\n debounce: [oTypes.number, oTypes.array, oTypes.null], // number || number array || null\r\n ignoreMutation: [oTypes.function, oTypes.null], // function || null\r\n },\r\n overflow: {\r\n x: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n y: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n },\r\n scrollbars: {\r\n visibility: scrollbarsVisibilityAllowedValues, // visible || hidden || auto || v ||\r\n autoHide: scrollbarsAutoHideAllowedValues, // never || scroll || leave || move ||\r\n autoHideDelay: numberAllowedValues, // number\r\n dragScroll: booleanAllowedValues, // true || false\r\n clickScroll: booleanAllowedValues, // true || false\r\n touch: booleanAllowedValues, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: booleanAllowedValues, // true || false\r\n dynHeight: booleanAllowedValues, // true || false\r\n inheritedAttrs: stringArrayNullAllowedValues, // string || array || nul\r\n },\r\n */\r\n nativeScrollbarsOverlaid: {\r\n show: booleanAllowedValues, // true || false\r\n initialize: booleanAllowedValues, // true || false\r\n },\r\n};\r\n\r\nexport type OptionsValidationPluginInstance = {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => PartialOptions;\r\n};\r\n\r\nexport const optionsValidationPluginName = '__osOptionsValidationPlugin';\r\n\r\nexport const optionsValidationPlugin: Plugin = {\r\n [optionsValidationPluginName]: {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => {\r\n const [validated, foreign] = validateOptions(optionsTemplate, options, doWriteErrors);\r\n return { ...foreign, ...validated };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n style,\r\n appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n on,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type SizeObserverPluginInstance = {\r\n _: (\r\n listenerElement: HTMLElement,\r\n onSizeChangedCallback: (appear: boolean) => any,\r\n observeAppearChange: boolean\r\n ) => [appearCallback: () => any, offFns: (() => any)[]];\r\n};\r\n\r\nconst scrollAmount = 3333333;\r\nconst scrollEventName = 'scroll';\r\nexport const sizeObserverPluginName = '__osSizeObserverPlugin';\r\n\r\nexport const sizeObserverPlugin: Plugin = {\r\n [sizeObserverPluginName]: {\r\n _: (listenerElement, onSizeChangedCallback, observeAppearChange) => {\r\n const observerElementChildren = createDOM(\r\n `
`\r\n );\r\n appendChildren(listenerElement, observerElementChildren);\r\n addClass(listenerElement, classNameSizeObserverListenerScroll);\r\n const observerElementChildrenRoot = observerElementChildren[0] as HTMLElement;\r\n const shrinkElement = observerElementChildrenRoot.lastChild as HTMLElement;\r\n const expandElement = observerElementChildrenRoot.firstChild as HTMLElement;\r\n const expandElementChild = expandElement?.firstChild as HTMLElement;\r\n\r\n let cacheSize = offsetSize(observerElementChildrenRoot);\r\n let currSize = cacheSize;\r\n let isDirty = false;\r\n let rAFId: number;\r\n\r\n const reset = () => {\r\n scrollLeft(expandElement, scrollAmount);\r\n scrollTop(expandElement, scrollAmount);\r\n scrollLeft(shrinkElement, scrollAmount);\r\n scrollTop(shrinkElement, scrollAmount);\r\n };\r\n const onResized = (appear?: unknown) => {\r\n rAFId = 0;\r\n if (isDirty) {\r\n cacheSize = currSize;\r\n onSizeChangedCallback(appear === true);\r\n }\r\n };\r\n const onScroll = (scrollEvent?: Event | false) => {\r\n currSize = offsetSize(observerElementChildrenRoot);\r\n isDirty = !scrollEvent || !equalWH(currSize, cacheSize);\r\n\r\n if (scrollEvent) {\r\n stopPropagation(scrollEvent);\r\n\r\n if (isDirty && !rAFId) {\r\n cAF!(rAFId);\r\n rAFId = rAF!(onResized);\r\n }\r\n } else {\r\n onResized(scrollEvent === false);\r\n }\r\n\r\n reset();\r\n };\r\n const offListeners = push(\r\n [],\r\n [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]\r\n );\r\n\r\n // lets assume that the divs will never be that large and a constant value is enough\r\n style(expandElementChild, {\r\n width: scrollAmount,\r\n height: scrollAmount,\r\n });\r\n\r\n reset();\r\n\r\n return [observeAppearChange ? onScroll.bind(0, false) : reset, offListeners];\r\n },\r\n },\r\n};\r\n","import {\r\n keys,\r\n attr,\r\n WH,\r\n style,\r\n addClass,\r\n removeClass,\r\n noop,\r\n each,\r\n assignDeep,\r\n windowSize,\r\n UpdateCache,\r\n XY,\r\n} from 'support';\r\nimport { classNameViewportArrange } from 'classnames';\r\nimport type { StyleObject } from 'typings';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type {\r\n ViewportOverflowState,\r\n GetViewportOverflowState,\r\n HideNativeScrollbars,\r\n} from 'setups/structureSetup/updateSegments/overflowUpdateSegment';\r\nimport type { InternalEnvironment } from 'environment';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type ArrangeViewport = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n sizeFraction: WH,\r\n directionIsRTL: boolean\r\n) => boolean;\r\n\r\nexport type UndoViewportArrangeResult = [\r\n redoViewportArrange: () => void,\r\n overflowState?: ViewportOverflowState\r\n];\r\n\r\nexport type UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n) => UndoViewportArrangeResult;\r\n\r\nexport type ScrollbarsHidingPluginInstance = {\r\n _createUniqueViewportArrangeElement(env: InternalEnvironment): HTMLStyleElement | false;\r\n _overflowUpdateSegment(\r\n doViewportArrange: boolean,\r\n flexboxGlue: boolean,\r\n viewport: HTMLElement,\r\n viewportArrange: HTMLStyleElement | false | null | undefined,\r\n getState: () => StructureSetupState,\r\n getViewportOverflowState: GetViewportOverflowState,\r\n hideNativeScrollbars: HideNativeScrollbars\r\n ): [ArrangeViewport, UndoArrangeViewport];\r\n _envWindowZoom(): (\r\n envInstance: InternalEnvironment,\r\n updateNativeScrollbarSizeCache: UpdateCache>,\r\n triggerEvent: () => void\r\n ) => void;\r\n};\r\n\r\nlet contentArrangeCounter = 0;\r\nconst { round, abs } = Math;\r\nconst getWindowDPR = (): number => {\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const dDPI = window.screen.deviceXDPI || 0;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const sDPI = window.screen.logicalXDPI || 1;\r\n return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n const absValOne = abs(valOne);\r\n const absValTwo = abs(valTwo);\r\n return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport const scrollbarsHidingPluginName = '__osScrollbarsHidingPlugin';\r\n\r\nexport const scrollbarsHidingPlugin: Plugin = {\r\n [scrollbarsHidingPluginName]: {\r\n _createUniqueViewportArrangeElement: (env: InternalEnvironment) => {\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _cssCustomProperties,\r\n } = env;\r\n const create =\r\n !_cssCustomProperties &&\r\n !_nativeScrollbarStyling &&\r\n (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n const result = create ? document.createElement('style') : false;\r\n\r\n if (result) {\r\n attr(result, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);\r\n contentArrangeCounter++;\r\n }\r\n\r\n return result;\r\n },\r\n _overflowUpdateSegment: (\r\n doViewportArrange,\r\n flexboxGlue,\r\n viewport,\r\n viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n ) => {\r\n /**\r\n * Sets the styles of the viewport arrange element.\r\n * @param viewportOverflowState The viewport overflow state according to which the scrollbars shall be hidden.\r\n * @param viewportScrollSize The content scroll size.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @returns A boolean which indicates whether the viewport arrange element was adjusted.\r\n */\r\n const arrangeViewport: ArrangeViewport = (\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n directionIsRTL\r\n ) => {\r\n if (doViewportArrange) {\r\n const { _viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const viewportArrangeHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingRight'\r\n : 'paddingLeft';\r\n const viewportArrangeHorizontalPaddingValue = _viewportPaddingStyle[\r\n viewportArrangeHorizontalPaddingKey\r\n ] as number;\r\n const viewportArrangeVerticalPaddingValue = _viewportPaddingStyle.paddingTop as number;\r\n const fractionalContentWidth = viewportScrollSize.w + sizeFraction.w;\r\n const fractionalContenHeight = viewportScrollSize.h + sizeFraction.h;\r\n const arrangeSize = {\r\n w:\r\n hideOffsetY && arrangeY\r\n ? `${\r\n hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue\r\n }px`\r\n : '',\r\n h:\r\n hideOffsetX && arrangeX\r\n ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px`\r\n : '',\r\n };\r\n\r\n // adjust content arrange / before element\r\n if (viewportArrange) {\r\n const { sheet } = viewportArrange;\r\n if (sheet) {\r\n const { cssRules } = sheet;\r\n if (cssRules) {\r\n if (!cssRules.length) {\r\n sheet.insertRule(\r\n `#${attr(viewportArrange, 'id')} + .${classNameViewportArrange}::before {}`,\r\n 0\r\n );\r\n }\r\n\r\n // @ts-ignore\r\n const ruleStyle = cssRules[0].style;\r\n\r\n ruleStyle.width = arrangeSize.w;\r\n ruleStyle.height = arrangeSize.h;\r\n }\r\n }\r\n } else {\r\n style<'--os-vaw' | '--os-vah'>(viewport, {\r\n '--os-vaw': arrangeSize.w,\r\n '--os-vah': arrangeSize.h,\r\n });\r\n }\r\n }\r\n\r\n return doViewportArrange;\r\n };\r\n\r\n /**\r\n * Removes all styles applied because of the viewport arrange strategy.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportOverflowState The currentviewport overflow state or undefined if it has to be determined.\r\n * @returns A object with a function which applies all the removed styles and the determined viewport vverflow state.\r\n */\r\n const undoViewportArrange: UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars,\r\n directionIsRTL,\r\n viewportOverflowState?\r\n ) => {\r\n if (doViewportArrange) {\r\n const finalViewportOverflowState =\r\n viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const finalPaddingStyle: StyleObject = {};\r\n const assignProps = (props: string) =>\r\n each(props.split(' '), (prop) => {\r\n finalPaddingStyle[prop] = viewportPaddingStyle[prop];\r\n });\r\n\r\n if (arrangeX) {\r\n assignProps('marginBottom paddingTop paddingBottom');\r\n }\r\n\r\n if (arrangeY) {\r\n assignProps('marginLeft marginRight paddingLeft paddingRight');\r\n }\r\n\r\n const prevStyle = style(viewport, keys(finalPaddingStyle));\r\n\r\n removeClass(viewport, classNameViewportArrange);\r\n\r\n if (!flexboxGlue) {\r\n finalPaddingStyle.height = '';\r\n }\r\n\r\n style(viewport, finalPaddingStyle);\r\n\r\n return [\r\n () => {\r\n hideNativeScrollbars(\r\n finalViewportOverflowState,\r\n directionIsRTL,\r\n doViewportArrange,\r\n prevStyle\r\n );\r\n style(viewport, prevStyle);\r\n addClass(viewport, classNameViewportArrange);\r\n },\r\n finalViewportOverflowState,\r\n ];\r\n }\r\n return [noop];\r\n };\r\n\r\n return [arrangeViewport, undoViewportArrange];\r\n },\r\n _envWindowZoom: () => {\r\n let size = { w: 0, h: 0 };\r\n let dpr = 0;\r\n\r\n return (envInstance, updateNativeScrollbarSizeCache, triggerEvent) => {\r\n const sizeNew = windowSize();\r\n const deltaSize = {\r\n w: sizeNew.w - size.w,\r\n h: sizeNew.h - size.h,\r\n };\r\n\r\n if (deltaSize.w === 0 && deltaSize.h === 0) {\r\n return;\r\n }\r\n\r\n const deltaAbsSize = {\r\n w: abs(deltaSize.w),\r\n h: abs(deltaSize.h),\r\n };\r\n const deltaAbsRatio = {\r\n w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n };\r\n const dprNew = getWindowDPR();\r\n const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n const dprChanged = dprNew !== dpr && dprNew > 0;\r\n const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n if (isZoom) {\r\n const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache();\r\n\r\n assignDeep(envInstance._nativeScrollbarsSize, scrollbarSize); // keep the object same!\r\n\r\n if (scrollbarSizeChanged) {\r\n triggerEvent();\r\n }\r\n }\r\n\r\n size = sizeNew;\r\n dpr = dprNew;\r\n };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n addClass,\r\n style,\r\n appendChildren,\r\n fractionalSize,\r\n clientSize,\r\n absoluteCoordinates,\r\n offsetSize,\r\n scrollLeft,\r\n XY,\r\n removeAttr,\r\n removeElements,\r\n equalBCRWH,\r\n getBoundingClientRect,\r\n assignDeep,\r\n cssProperty,\r\n createCache,\r\n equalXY,\r\n createEventListenerHub,\r\n EventListener,\r\n} from 'support';\r\nimport {\r\n classNameEnvironment,\r\n classNameEnvironmentFlexboxGlue,\r\n classNameEnvironmentFlexboxGlueMax,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { Options, defaultOptions } from 'options';\r\nimport { PartialOptions } from 'typings';\r\nimport { InitializationStrategy } from 'initialization';\r\nimport { getPlugins, ScrollbarsHidingPluginInstance, scrollbarsHidingPluginName } from 'plugins';\r\n\r\ntype EnvironmentEventMap = {\r\n _: [];\r\n};\r\n\r\nexport interface InternalEnvironment {\r\n readonly _nativeScrollbarsSize: XY;\r\n readonly _nativeScrollbarsOverlaid: XY;\r\n readonly _nativeScrollbarsHiding: boolean;\r\n readonly _rtlScrollBehavior: { n: boolean; i: boolean };\r\n readonly _flexboxGlue: boolean;\r\n readonly _cssCustomProperties: boolean;\r\n readonly _defaultInitializationStrategy: InitializationStrategy;\r\n readonly _defaultDefaultOptions: Options;\r\n _addListener(listener: EventListener): () => void;\r\n _getInitializationStrategy(): InitializationStrategy;\r\n _setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n _getDefaultOptions(): Options;\r\n _setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nlet environmentInstance: InternalEnvironment;\r\n\r\nconst getNativeScrollbarSize = (\r\n body: HTMLElement,\r\n measureElm: HTMLElement,\r\n measureElmChild: HTMLElement,\r\n clear?: boolean\r\n): XY => {\r\n appendChildren(body, measureElm);\r\n\r\n const cSize = clientSize(measureElm);\r\n const oSize = offsetSize(measureElm);\r\n const fSize = fractionalSize(measureElmChild);\r\n\r\n clear && removeElements(measureElm);\r\n\r\n return {\r\n x: oSize.h - cSize.h + fSize.h,\r\n y: oSize.w - cSize.w + fSize.w,\r\n };\r\n};\r\n\r\nconst getNativeScrollbarsHiding = (testElm: HTMLElement): boolean => {\r\n let result = false;\r\n const revertClass = addClass(testElm, classNameViewportScrollbarStyling);\r\n try {\r\n result =\r\n style(testElm, cssProperty('scrollbar-width')) === 'none' ||\r\n window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') ===\r\n 'none';\r\n } catch (ex) {}\r\n revertClass();\r\n return result;\r\n};\r\n\r\nconst getRtlScrollBehavior = (\r\n parentElm: HTMLElement,\r\n childElm: HTMLElement\r\n): { i: boolean; n: boolean } => {\r\n const strHidden = 'hidden';\r\n style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: 'rtl' });\r\n scrollLeft(parentElm, 0);\r\n\r\n const parentOffset = absoluteCoordinates(parentElm);\r\n const childOffset = absoluteCoordinates(childElm);\r\n scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n const childOffsetAfterScroll = absoluteCoordinates(childElm);\r\n return {\r\n /**\r\n * origin direction = determines if the zero scroll position is on the left or right side\r\n * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n * true = on the left side\r\n * false = on the right side\r\n */\r\n i: parentOffset.x === childOffset.x,\r\n /**\r\n * negative = determines if the maximum scroll is positive or negative\r\n * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n * true = negative\r\n * false = positive\r\n */\r\n n: childOffset.x !== childOffsetAfterScroll.x,\r\n };\r\n};\r\n\r\nconst getFlexboxGlue = (parentElm: HTMLElement, childElm: HTMLElement): boolean => {\r\n const revertFbxGlue = addClass(parentElm, classNameEnvironmentFlexboxGlue);\r\n const minOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const minOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);\r\n\r\n const revertFbxGlueMax = addClass(parentElm, classNameEnvironmentFlexboxGlueMax);\r\n const maxOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const maxOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);\r\n\r\n revertFbxGlue();\r\n revertFbxGlueMax();\r\n\r\n return supportsMin && supportsMax;\r\n};\r\n\r\nconst createEnvironment = (): InternalEnvironment => {\r\n const { body } = document;\r\n const envDOM = createDOM(`
`);\r\n const envElm = envDOM[0] as HTMLElement;\r\n const envChildElm = envElm.firstChild as HTMLElement;\r\n const [addEvent, , triggerEvent] = createEventListenerHub();\r\n const [updateNativeScrollbarSizeCache, getNativeScrollbarSizeCache] = createCache(\r\n {\r\n _initialValue: getNativeScrollbarSize(body, envElm, envChildElm),\r\n _equal: equalXY,\r\n },\r\n getNativeScrollbarSize.bind(0, body, envElm, envChildElm, true)\r\n );\r\n const [nativeScrollbarsSize] = getNativeScrollbarSizeCache();\r\n const nativeScrollbarsHiding = getNativeScrollbarsHiding(envElm);\r\n const nativeScrollbarsOverlaid = {\r\n x: nativeScrollbarsSize.x === 0,\r\n y: nativeScrollbarsSize.y === 0,\r\n };\r\n const initializationStrategy = {\r\n _padding: !nativeScrollbarsHiding,\r\n _content: false,\r\n };\r\n const defaultDefaultOptions = assignDeep({}, defaultOptions);\r\n\r\n const env: InternalEnvironment = {\r\n _nativeScrollbarsSize: nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid: nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding: nativeScrollbarsHiding,\r\n _cssCustomProperties: style(envElm, 'zIndex') === '-1',\r\n _rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),\r\n _flexboxGlue: getFlexboxGlue(envElm, envChildElm),\r\n _addListener: (listener) => addEvent('_', listener),\r\n _getInitializationStrategy: assignDeep.bind(\r\n 0,\r\n {} as InitializationStrategy,\r\n initializationStrategy\r\n ),\r\n _setInitializationStrategy(newInitializationStrategy) {\r\n assignDeep(initializationStrategy, newInitializationStrategy);\r\n },\r\n _getDefaultOptions: assignDeep.bind(0, {} as Options, defaultDefaultOptions),\r\n _setDefaultOptions(newDefaultOptions) {\r\n assignDeep(defaultDefaultOptions, newDefaultOptions);\r\n },\r\n _defaultInitializationStrategy: assignDeep({}, initializationStrategy),\r\n _defaultDefaultOptions: assignDeep({}, defaultDefaultOptions),\r\n };\r\n\r\n removeAttr(envElm, 'style');\r\n removeElements(envElm);\r\n\r\n if (!nativeScrollbarsHiding && (!nativeScrollbarsOverlaid.x || !nativeScrollbarsOverlaid.y)) {\r\n let resizeFn: undefined | ReturnType;\r\n window.addEventListener('resize', () => {\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n\r\n resizeFn = resizeFn || (scrollbarsHidingPlugin && scrollbarsHidingPlugin._envWindowZoom());\r\n resizeFn && resizeFn(env, updateNativeScrollbarSizeCache, triggerEvent.bind(0, '_'));\r\n });\r\n }\r\n\r\n return env;\r\n};\r\n\r\nconst getEnvironment = (): InternalEnvironment => {\r\n if (!environmentInstance) {\r\n environmentInstance = createEnvironment();\r\n }\r\n return environmentInstance;\r\n};\r\n\r\nexport { getEnvironment };\r\n","import { isFunction, isNull, isUndefined } from 'support';\r\nimport type {\r\n StructureInitialization,\r\n StructureInitializationStrategy,\r\n} from 'setups/structureSetup';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n} from 'setups/scrollbarsSetup';\r\n\r\ntype StaticInitialization = HTMLElement | null | undefined;\r\ntype DynamicInitialization = HTMLElement | boolean | null | undefined;\r\n\r\nexport type InitializationTargetElement = HTMLElement | HTMLTextAreaElement;\r\n\r\nexport type InitializationTargetObject = StructureInitialization & ScrollbarsInitialization;\r\n\r\nexport type InitializationTarget = InitializationTargetElement | InitializationTargetObject;\r\n\r\nexport type InitializationStrategy = StructureInitializationStrategy &\r\n ScrollbarsInitializationStrategy;\r\n\r\n/**\r\n * Static elements MUST be present.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type StaticInitializationElement =\r\n | ((...args: Args) => StaticInitialization)\r\n | StaticInitialization;\r\n\r\n/**\r\n * Dynamic element CAN be present.\r\n * If its a element the element will be handled as the repsective element.\r\n * True means that the respective dynamic element is forced to be generated.\r\n * False means that the respective dynamic element is forced NOT to be generated.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type DynamicInitializationElement =\r\n | ((...args: Args) => DynamicInitialization)\r\n | DynamicInitialization;\r\n\r\nexport type InitializtationElementStrategy = Exclude;\r\n\r\nexport type DefaultInitializtationElementStrategy<\r\n InitElm extends StaticInitializationElement | DynamicInitializationElement\r\n> = Extract any> extends (...args: infer P) => any\r\n ? (...args: P) => HTMLElement\r\n : never;\r\n\r\nconst resolveInitialization = (value: any, args: any): T =>\r\n isFunction(value) ? value.apply(0, args) : value;\r\n\r\nconst staticInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultStaticInitializationElement: DefaultInitializtationElementStrategy,\r\n staticInitializationElementStrategy?: InitializtationElementStrategy,\r\n staticInitializationElementValue?: T | false\r\n): HTMLElement =>\r\n resolveInitialization(\r\n staticInitializationElementValue ||\r\n resolveInitialization(staticInitializationElementStrategy, args),\r\n args\r\n ) || defaultStaticInitializationElement.apply(0, args);\r\n\r\nconst dynamicInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultDynamicInitializationElement: DefaultInitializtationElementStrategy,\r\n dynamicInitializationElementStrategy?: InitializtationElementStrategy,\r\n dynamicInitializationElementValue?: T | false\r\n): HTMLElement | false => {\r\n let result = resolveInitialization(\r\n dynamicInitializationElementValue,\r\n args\r\n );\r\n\r\n if (isNull(result) || isUndefined(result)) {\r\n result = resolveInitialization(\r\n dynamicInitializationElementStrategy,\r\n args\r\n );\r\n }\r\n\r\n return result === true || isNull(result) || isUndefined(result)\r\n ? defaultDynamicInitializationElement.apply(0, args)\r\n : result;\r\n};\r\n\r\nexport { staticInitializationElement, dynamicInitializationElement };\r\n","import {\r\n isHTMLElement,\r\n appendChildren,\r\n createDiv,\r\n is,\r\n contents,\r\n insertAfter,\r\n addClass,\r\n parent,\r\n indexOf,\r\n removeElements,\r\n removeClass,\r\n hasClass,\r\n push,\r\n runEachAndClear,\r\n insertBefore,\r\n attr,\r\n keys,\r\n removeAttr,\r\n attrClass,\r\n hasAttrClass,\r\n ResizeObserverConstructor,\r\n} from 'support';\r\nimport {\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n classNamePadding,\r\n classNameViewport,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type { ScrollbarsHidingPluginInstance } from 'plugins/scrollbarsHidingPlugin';\r\nimport {\r\n staticInitializationElement as generalStaticInitializationElement,\r\n dynamicInitializationElement as generalDynamicInitializationElement,\r\n} from 'initialization';\r\nimport type { InitializationTarget, InitializationTargetElement } from 'initialization';\r\nimport type {\r\n StructureDynamicInitializationElement,\r\n StructureInitialization,\r\n StructureStaticInitializationElement,\r\n} from 'setups/structureSetup/structureSetup.initialization';\r\n\r\nexport type StructureSetupElements = [\r\n targetObj: StructureSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nexport interface StructureSetupElementsObj {\r\n _target: InitializationTargetElement;\r\n _host: HTMLElement;\r\n _viewport: HTMLElement;\r\n _padding: HTMLElement | false;\r\n _content: HTMLElement | false;\r\n _viewportArrange: HTMLStyleElement | false | null | undefined;\r\n // ctx ----\r\n _isTextarea: boolean;\r\n _isBody: boolean;\r\n _htmlElm: HTMLHtmlElement;\r\n _bodyElm: HTMLBodyElement;\r\n _windowElm: Window;\r\n _documentElm: Document;\r\n _targetIsElm: boolean;\r\n _viewportIsTarget: boolean;\r\n _viewportHasClass: (className: string, attributeClassName: string) => boolean;\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) => void;\r\n}\r\n\r\nconst createNewDiv = createDiv.bind(0, '');\r\n\r\nconst unwrap = (elm: HTMLElement | false | null | undefined) => {\r\n appendChildren(parent(elm), contents(elm));\r\n removeElements(elm);\r\n};\r\n\r\nconst addDataAttrHost = (elm: HTMLElement, value: string) => {\r\n attr(elm, dataAttributeHost, value);\r\n return removeAttr.bind(0, elm, dataAttributeHost);\r\n};\r\n\r\nexport const createStructureSetupElements = (\r\n target: InitializationTarget\r\n): StructureSetupElements => {\r\n const env = getEnvironment();\r\n const { _getInitializationStrategy, _nativeScrollbarsHiding } = env;\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const createUniqueViewportArrangeElement =\r\n scrollbarsHidingPlugin && scrollbarsHidingPlugin._createUniqueViewportArrangeElement;\r\n const {\r\n _host: hostInitializationStrategy,\r\n _viewport: viewportInitializationStrategy,\r\n _padding: paddingInitializationStrategy,\r\n _content: contentInitializationStrategy,\r\n } = _getInitializationStrategy();\r\n const targetIsElm = isHTMLElement(target);\r\n const targetStructureInitialization = target as StructureInitialization;\r\n const targetElement = targetIsElm\r\n ? (target as InitializationTargetElement)\r\n : targetStructureInitialization.target;\r\n const isTextarea = is(targetElement, 'textarea');\r\n const isBody = !isTextarea && is(targetElement, 'body');\r\n const ownerDocument = targetElement!.ownerDocument;\r\n const bodyElm = ownerDocument.body as HTMLBodyElement;\r\n const wnd = ownerDocument.defaultView as Window;\r\n const singleElmSupport = !!ResizeObserverConstructor && !isTextarea && _nativeScrollbarsHiding;\r\n const staticInitializationElement =\r\n generalStaticInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const dynamicInitializationElement =\r\n generalDynamicInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const viewportElement = [\r\n staticInitializationElement(\r\n createNewDiv,\r\n viewportInitializationStrategy,\r\n targetStructureInitialization.viewport\r\n ),\r\n staticInitializationElement(createNewDiv, viewportInitializationStrategy),\r\n staticInitializationElement(createNewDiv),\r\n ].filter((potentialViewport) =>\r\n !singleElmSupport ? potentialViewport !== targetElement : true\r\n )[0];\r\n const viewportIsTarget = viewportElement === targetElement;\r\n const evaluatedTargetObj: StructureSetupElementsObj = {\r\n _target: targetElement,\r\n _host: isTextarea\r\n ? staticInitializationElement(\r\n createNewDiv,\r\n hostInitializationStrategy,\r\n targetStructureInitialization.host\r\n )\r\n : (targetElement as HTMLElement),\r\n _viewport: viewportElement,\r\n _padding:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n paddingInitializationStrategy,\r\n targetStructureInitialization.padding\r\n ),\r\n _content:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n contentInitializationStrategy,\r\n targetStructureInitialization.content\r\n ),\r\n _viewportArrange:\r\n !viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n createUniqueViewportArrangeElement &&\r\n createUniqueViewportArrangeElement(env),\r\n _windowElm: wnd,\r\n _documentElm: ownerDocument,\r\n _htmlElm: parent(bodyElm) as HTMLHtmlElement,\r\n _bodyElm: bodyElm,\r\n _isTextarea: isTextarea,\r\n _isBody: isBody,\r\n _targetIsElm: targetIsElm,\r\n _viewportIsTarget: viewportIsTarget,\r\n _viewportHasClass: (className: string, attributeClassName: string) =>\r\n viewportIsTarget\r\n ? hasAttrClass(viewportElement, dataAttributeHost, attributeClassName)\r\n : hasClass(viewportElement, className),\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) =>\r\n viewportIsTarget\r\n ? attrClass(viewportElement, dataAttributeHost, attributeClassName, add)\r\n : (add ? addClass : removeClass)(viewportElement, className),\r\n };\r\n const generatedElements = keys(evaluatedTargetObj).reduce((arr, key: string) => {\r\n const value = evaluatedTargetObj[key];\r\n return push(arr, value && !parent(value) ? value : false);\r\n }, [] as HTMLElement[]);\r\n const elementIsGenerated = (elm: HTMLElement | false) =>\r\n elm ? indexOf(generatedElements, elm) > -1 : null;\r\n const { _target, _host, _padding, _viewport, _content, _viewportArrange } = evaluatedTargetObj;\r\n const destroyFns: (() => any)[] = [];\r\n const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);\r\n const targetContents = isTextarea\r\n ? _target\r\n : contents(\r\n [_content, _viewport, _padding, _host, _target].find(\r\n (elm) => elementIsGenerated(elm) === false\r\n )\r\n );\r\n const contentSlot = _content || _viewport;\r\n const appendElements = () => {\r\n const removeHostDataAttr = addDataAttrHost(_host, viewportIsTarget ? 'viewport' : 'host');\r\n const removePaddingClass = addClass(_padding, classNamePadding);\r\n const removeViewportClass = addClass(_viewport, !viewportIsTarget && classNameViewport);\r\n const removeContentClass = addClass(_content, classNameContent);\r\n\r\n // only insert host for textarea after target if it was generated\r\n if (isTextareaHostGenerated) {\r\n insertAfter(_target, _host);\r\n\r\n push(destroyFns, () => {\r\n insertAfter(_host, _target);\r\n removeElements(_host);\r\n });\r\n }\r\n\r\n appendChildren(contentSlot, targetContents);\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, !viewportIsTarget && _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n push(destroyFns, () => {\r\n removeHostDataAttr();\r\n removeAttr(_viewport, dataAttributeHostOverflowX);\r\n removeAttr(_viewport, dataAttributeHostOverflowY);\r\n\r\n if (elementIsGenerated(_content)) {\r\n unwrap(_content);\r\n }\r\n if (elementIsGenerated(_viewport)) {\r\n unwrap(_viewport);\r\n }\r\n if (elementIsGenerated(_padding)) {\r\n unwrap(_padding);\r\n }\r\n removePaddingClass();\r\n removeViewportClass();\r\n removeContentClass();\r\n });\r\n\r\n if (_nativeScrollbarsHiding && !viewportIsTarget) {\r\n push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));\r\n }\r\n if (_viewportArrange) {\r\n insertBefore(_viewport, _viewportArrange);\r\n push(destroyFns, removeElements.bind(0, _viewportArrange));\r\n }\r\n };\r\n\r\n return [evaluatedTargetObj, appendElements, runEachAndClear.bind(0, destroyFns)];\r\n};\r\n","import { style } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the trinsic behavior of the content element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createTrinsicUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const { _content } = structureSetupElements;\r\n const [getState] = state;\r\n\r\n return (updateHints) => {\r\n const { _flexboxGlue } = getEnvironment();\r\n const { _heightIntrinsic } = getState();\r\n const { _heightIntrinsicChanged } = updateHints;\r\n const heightIntrinsicChanged = (_content || !_flexboxGlue) && _heightIntrinsicChanged;\r\n\r\n if (heightIntrinsicChanged) {\r\n style(_content, {\r\n height: _heightIntrinsic ? '' : '100%',\r\n });\r\n }\r\n\r\n return {\r\n _sizeChanged: heightIntrinsicChanged,\r\n _contentMutation: heightIntrinsicChanged,\r\n };\r\n };\r\n};\r\n","import { createCache, topRightBottomLeft, equalTRBL, style, assignDeep } from 'support';\r\nimport { StyleObject } from 'typings';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the padding styling of the padding and viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createPaddingUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const { _host, _padding, _viewport, _viewportIsTarget: _isSingleElm } = structureSetupElements;\r\n const [updatePaddingCache, currentPaddingCache] = createCache(\r\n {\r\n _equal: equalTRBL,\r\n _initialValue: topRightBottomLeft(),\r\n },\r\n topRightBottomLeft.bind(0, _host, 'padding', '')\r\n );\r\n\r\n return (updateHints, checkOption, force) => {\r\n let [padding, paddingChanged] = currentPaddingCache(force);\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const { _directionIsRTL } = getState();\r\n const { _sizeChanged, _contentMutation, _directionChanged } = updateHints;\r\n const [paddingAbsolute, paddingAbsoluteChanged] = checkOption('paddingAbsolute');\r\n const contentMutation = !_flexboxGlue && _contentMutation;\r\n\r\n if (_sizeChanged || paddingChanged || contentMutation) {\r\n [padding, paddingChanged] = updatePaddingCache(force);\r\n }\r\n\r\n const paddingStyleChanged =\r\n !_isSingleElm && (paddingAbsoluteChanged || _directionChanged || paddingChanged);\r\n\r\n if (paddingStyleChanged) {\r\n // if there is no padding element and no scrollbar styling, paddingAbsolute isn't supported\r\n const paddingRelative = !paddingAbsolute || (!_padding && !_nativeScrollbarStyling);\r\n const paddingHorizontal = padding.r + padding.l;\r\n const paddingVertical = padding.t + padding.b;\r\n\r\n const paddingStyle: StyleObject = {\r\n marginRight: paddingRelative && !_directionIsRTL ? -paddingHorizontal : 0,\r\n marginBottom: paddingRelative ? -paddingVertical : 0,\r\n marginLeft: paddingRelative && _directionIsRTL ? -paddingHorizontal : 0,\r\n top: paddingRelative ? -padding.t : 0,\r\n right: paddingRelative ? (_directionIsRTL ? -padding.r : 'auto') : 0,\r\n left: paddingRelative ? (_directionIsRTL ? 'auto' : -padding.l) : 0,\r\n width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : '',\r\n };\r\n const viewportStyle: StyleObject = {\r\n paddingTop: paddingRelative ? padding.t : 0,\r\n paddingRight: paddingRelative ? padding.r : 0,\r\n paddingBottom: paddingRelative ? padding.b : 0,\r\n paddingLeft: paddingRelative ? padding.l : 0,\r\n };\r\n\r\n // if there is no padding element apply the style to the viewport element instead\r\n style(_padding || _viewport, paddingStyle);\r\n style(_viewport, viewportStyle);\r\n\r\n setState({\r\n _padding: padding,\r\n _paddingAbsolute: !paddingRelative,\r\n _viewportPaddingStyle: _padding\r\n ? viewportStyle\r\n : assignDeep({}, paddingStyle, viewportStyle),\r\n });\r\n }\r\n\r\n return {\r\n _paddingStyleChanged: paddingStyleChanged,\r\n };\r\n };\r\n};\r\n","import {\r\n createCache,\r\n attr,\r\n WH,\r\n XY,\r\n style,\r\n scrollSize,\r\n fractionalSize,\r\n equalWH,\r\n addClass,\r\n removeClass,\r\n clientSize,\r\n equalXY,\r\n attrClass,\r\n noop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameViewportScrollbarStyling,\r\n classNameOverflowVisible,\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n dataValueHostViewportScrollbarStyling,\r\n dataValueHostOverflowVisible,\r\n} from 'classnames';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type {\r\n ScrollbarsHidingPluginInstance,\r\n ArrangeViewport,\r\n UndoArrangeViewport,\r\n} from 'plugins/scrollbarsHidingPlugin';\r\nimport type { StyleObject, OverflowStyle } from 'typings';\r\nimport type { OverflowBehavior } from 'options';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport interface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n _overflowStyle: XY;\r\n}\r\n\r\nexport type GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n viewportStyleObj?: StyleObject\r\n) => ViewportOverflowState;\r\n\r\nexport type HideNativeScrollbars = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\r\n) => void;\r\n\r\nconst { max } = Math;\r\nconst max0 = max.bind(0, 0);\r\nconst strVisible = 'visible';\r\nconst strHidden = 'hidden';\r\nconst overlaidScrollbarsHideOffset = 42;\r\nconst whCacheOptions = {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n};\r\nconst xyCacheOptions = {\r\n _equal: equalXY,\r\n _initialValue: { x: strHidden, y: strHidden } as XY,\r\n};\r\n\r\nconst getOverflowAmount = (viewportScrollSize: WH, viewportClientSize: WH) => {\r\n const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;\r\n const amount = {\r\n w: max0(viewportScrollSize.w - viewportClientSize.w),\r\n h: max0(viewportScrollSize.h - viewportClientSize.h),\r\n };\r\n\r\n return {\r\n w: amount.w > tollerance ? amount.w : 0,\r\n h: amount.h > tollerance ? amount.h : 0,\r\n };\r\n};\r\n\r\nconst conditionalClass = (\r\n elm: Element | false | null | undefined,\r\n classNames: string,\r\n add: boolean\r\n) => (add ? addClass(elm, classNames) : removeClass(elm, classNames));\r\n\r\nconst overflowIsVisible = (overflowBehavior: string) => overflowBehavior.indexOf(strVisible) === 0;\r\n\r\n/**\r\n * Lifecycle with the responsibility to set the correct overflow and scrollbar hiding styles of the viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createOverflowUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const {\r\n _host,\r\n _padding,\r\n _viewport,\r\n _viewportArrange,\r\n _viewportIsTarget,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsSize,\r\n _flexboxGlue,\r\n _nativeScrollbarsHiding,\r\n _nativeScrollbarsOverlaid,\r\n } = getEnvironment();\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const doViewportArrange =\r\n !_viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n (_nativeScrollbarsOverlaid.x || _nativeScrollbarsOverlaid.y);\r\n\r\n const [updateSizeFraction, getCurrentSizeFraction] = createCache>(\r\n whCacheOptions,\r\n fractionalSize.bind(0, _viewport)\r\n );\r\n\r\n const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache<\r\n WH\r\n >(whCacheOptions, scrollSize.bind(0, _viewport));\r\n\r\n const [updateOverflowAmountCache, getCurrentOverflowAmountCache] =\r\n createCache>(whCacheOptions);\r\n\r\n const [updateOverflowEdge, getCurrentOverflowEdgeCache] = createCache>(whCacheOptions);\r\n\r\n const [updateOverflowStyleCache] = createCache>(xyCacheOptions);\r\n\r\n /**\r\n * Applies a fixed height to the viewport so it can't overflow or underflow the host element.\r\n * @param viewportOverflowState The current overflow state.\r\n * @param heightIntrinsic Whether the host height is intrinsic or not.\r\n */\r\n const fixFlexboxGlue = (\r\n viewportOverflowState: ViewportOverflowState,\r\n heightIntrinsic: boolean\r\n ) => {\r\n style(_viewport, {\r\n height: '',\r\n });\r\n\r\n if (heightIntrinsic) {\r\n const { _paddingAbsolute, _padding: padding } = getState();\r\n const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;\r\n const fSize = fractionalSize(_host);\r\n const hostClientSize = clientSize(_host);\r\n\r\n // padding subtraction is only needed if padding is absolute or if viewport is content-box\r\n const isContentBox = style(_viewport, 'boxSizing') === 'content-box';\r\n const paddingVertical = _paddingAbsolute || isContentBox ? padding.b + padding.t : 0;\r\n const subtractXScrollbar = !(_nativeScrollbarsOverlaid.x && isContentBox);\r\n\r\n style(_viewport, {\r\n height:\r\n hostClientSize.h +\r\n fSize.h +\r\n (_overflowScroll.x && subtractXScrollbar ? _scrollbarsHideOffset.x : 0) -\r\n paddingVertical,\r\n });\r\n }\r\n };\r\n\r\n /**\r\n * Gets the current overflow state of the viewport.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param viewportStyleObj The viewport style object where the overflow scroll property can be read of, or undefined if shall be determined.\r\n * @returns A object which contains informations about the current overflow state.\r\n */\r\n const getViewportOverflowState: GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars,\r\n viewportStyleObj?\r\n ) => {\r\n const arrangeHideOffset =\r\n !_nativeScrollbarsHiding && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;\r\n const getStatePerAxis = (\r\n styleKey: string,\r\n isOverlaid: boolean,\r\n nativeScrollbarSize: number\r\n ) => {\r\n const overflowStyle = style(_viewport, styleKey);\r\n // can't do something like \"viewportStyleObj && viewportStyleObj[styleKey] || overflowStyle\" here!\r\n const objectPrefferedOverflowStyle = viewportStyleObj\r\n ? viewportStyleObj[styleKey]\r\n : overflowStyle;\r\n const overflowScroll = objectPrefferedOverflowStyle === 'scroll';\r\n const nonScrollbarStylingHideOffset = isOverlaid ? arrangeHideOffset : nativeScrollbarSize;\r\n const scrollbarsHideOffset =\r\n overflowScroll && !_nativeScrollbarsHiding ? nonScrollbarStylingHideOffset : 0;\r\n const scrollbarsHideOffsetArrange = isOverlaid && !!arrangeHideOffset;\r\n\r\n return [overflowStyle, overflowScroll, scrollbarsHideOffset, scrollbarsHideOffsetArrange] as [\r\n overflowStyle: OverflowStyle,\r\n overflowScroll: boolean,\r\n scrollbarsHideOffset: number,\r\n scrollbarsHideOffsetArrange: boolean\r\n ];\r\n };\r\n\r\n const [xOverflowStyle, xOverflowScroll, xScrollbarsHideOffset, xScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowX', _nativeScrollbarsOverlaid.x, _nativeScrollbarsSize.x);\r\n const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowY', _nativeScrollbarsOverlaid.y, _nativeScrollbarsSize.y);\r\n\r\n return {\r\n _overflowStyle: {\r\n x: xOverflowStyle,\r\n y: yOverflowStyle,\r\n },\r\n _overflowScroll: {\r\n x: xOverflowScroll,\r\n y: yOverflowScroll,\r\n },\r\n _scrollbarsHideOffset: {\r\n x: xScrollbarsHideOffset,\r\n y: yScrollbarsHideOffset,\r\n },\r\n _scrollbarsHideOffsetArrange: {\r\n x: xScrollbarsHideOffsetArrange,\r\n y: yScrollbarsHideOffsetArrange,\r\n },\r\n };\r\n };\r\n\r\n /**\r\n * Sets the overflow property of the viewport and calculates the a overflow state according to the new parameters.\r\n * @param showNativeOverlaidScrollbars Whether to show natively overlaid scrollbars.\r\n * @param overflowAmount The overflow amount.\r\n * @param overflow The overflow behavior according to the options.\r\n * @param viewportStyleObj The viewport style object to which the overflow style shall be applied.\r\n * @returns A object which represents the newly set overflow state.\r\n */\r\n const setViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n hasOverflow: XY,\r\n overflowOption: XY,\r\n viewportStyleObj: StyleObject\r\n ): ViewportOverflowState => {\r\n const setAxisOverflowStyle = (behavior: OverflowBehavior, hasOverflowAxis: boolean) => {\r\n const overflowVisible = overflowIsVisible(behavior);\r\n const overflowVisibleBehavior =\r\n (hasOverflowAxis && overflowVisible && behavior.replace(`${strVisible}-`, '')) || '';\r\n return [\r\n hasOverflowAxis && !overflowVisible ? behavior : '',\r\n overflowIsVisible(overflowVisibleBehavior) ? 'hidden' : overflowVisibleBehavior,\r\n ];\r\n };\r\n\r\n const [overflowX, visibleBehaviorX] = setAxisOverflowStyle(overflowOption.x, hasOverflow.x);\r\n const [overflowY, visibleBehaviorY] = setAxisOverflowStyle(overflowOption.y, hasOverflow.y);\r\n\r\n viewportStyleObj.overflowX = visibleBehaviorX && overflowY ? visibleBehaviorX : overflowX;\r\n viewportStyleObj.overflowY = visibleBehaviorY && overflowX ? visibleBehaviorY : overflowY;\r\n\r\n return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);\r\n };\r\n\r\n /**\r\n * Hides the native scrollbars according to the passed parameters.\r\n * @param viewportOverflowState The viewport overflow state.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportArrange Whether special styles related to the viewport arrange strategy shall be applied.\r\n * @param viewportStyleObj The viewport style object to which the needed styles shall be applied.\r\n */\r\n const hideNativeScrollbars: HideNativeScrollbars = (\r\n viewportOverflowState,\r\n directionIsRTL,\r\n viewportArrange,\r\n viewportStyleObj\r\n ) => {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const horizontalMarginKey: keyof StyleObject = directionIsRTL ? 'marginLeft' : 'marginRight';\r\n const viewportHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingLeft'\r\n : 'paddingRight';\r\n const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey] as number;\r\n const verticalMarginValue = viewportPaddingStyle.marginBottom as number;\r\n const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey] as number;\r\n const verticalPaddingValue = viewportPaddingStyle.paddingBottom as number;\r\n\r\n // horizontal\r\n viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;\r\n viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;\r\n\r\n // vertical\r\n viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;\r\n\r\n // viewport arrange additional styles\r\n if (viewportArrange) {\r\n viewportStyleObj[viewportHorizontalPaddingKey] =\r\n horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);\r\n viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);\r\n }\r\n };\r\n\r\n const [arrangeViewport, undoViewportArrange] = scrollbarsHidingPlugin\r\n ? scrollbarsHidingPlugin._overflowUpdateSegment(\r\n doViewportArrange,\r\n _flexboxGlue,\r\n _viewport,\r\n _viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n )\r\n : [(() => doViewportArrange) as ArrangeViewport, (() => [noop]) as UndoArrangeViewport];\r\n\r\n return (updateHints, checkOption, force) => {\r\n const {\r\n _sizeChanged,\r\n _hostMutation,\r\n _contentMutation,\r\n _paddingStyleChanged,\r\n _heightIntrinsicChanged,\r\n _directionChanged,\r\n } = updateHints;\r\n const { _heightIntrinsic, _directionIsRTL } = getState();\r\n const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] =\r\n checkOption('nativeScrollbarsOverlaid.show');\r\n const [overflow, overflowChanged] = checkOption>('overflow');\r\n\r\n const showNativeOverlaidScrollbars =\r\n showNativeOverlaidScrollbarsOption &&\r\n _nativeScrollbarsOverlaid.x &&\r\n _nativeScrollbarsOverlaid.y;\r\n const adjustFlexboxGlue =\r\n !_viewportIsTarget &&\r\n !_flexboxGlue &&\r\n (_sizeChanged ||\r\n _contentMutation ||\r\n _hostMutation ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n _heightIntrinsicChanged);\r\n const overflowXVisible = overflowIsVisible(overflow.x);\r\n const overflowYVisible = overflowIsVisible(overflow.y);\r\n const overflowVisible = overflowXVisible || overflowYVisible;\r\n\r\n let sizeFractionCache = getCurrentSizeFraction(force);\r\n let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);\r\n let overflowAmuntCache = getCurrentOverflowAmountCache(force);\r\n let overflowEdgeCache = getCurrentOverflowEdgeCache(force);\r\n\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarsHiding) {\r\n _viewportAddRemoveClass(\r\n classNameViewportScrollbarStyling,\r\n dataValueHostViewportScrollbarStyling,\r\n !showNativeOverlaidScrollbars\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);\r\n fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (\r\n _sizeChanged ||\r\n _paddingStyleChanged ||\r\n _contentMutation ||\r\n _directionChanged ||\r\n showNativeOverlaidScrollbarsChanged\r\n ) {\r\n if (overflowVisible) {\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, false);\r\n }\r\n\r\n const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(\r\n showNativeOverlaidScrollbars,\r\n _directionIsRTL,\r\n preMeasureViewportOverflowState\r\n );\r\n const [sizeFraction, sizeFractionChanged] = (sizeFractionCache = updateSizeFraction(force));\r\n const [viewportScrollSize, viewportScrollSizeChanged] = (viewportScrollSizeCache =\r\n updateViewportScrollSizeCache(force));\r\n const viewportclientSize = clientSize(_viewport);\r\n let arrangedViewportScrollSize = viewportScrollSize;\r\n let arrangedViewportClientSize = viewportclientSize;\r\n\r\n redoViewportArrange();\r\n\r\n // if re measure is required (only required if content arrange strategy is used)\r\n if (\r\n (viewportScrollSizeChanged || sizeFractionChanged || showNativeOverlaidScrollbarsChanged) &&\r\n undoViewportArrangeOverflowState &&\r\n !showNativeOverlaidScrollbars &&\r\n arrangeViewport(\r\n undoViewportArrangeOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n )\r\n ) {\r\n arrangedViewportClientSize = clientSize(_viewport);\r\n arrangedViewportScrollSize = scrollSize(_viewport);\r\n }\r\n\r\n const overflowAmountScrollSize = {\r\n w: max0(max(viewportScrollSize.w, arrangedViewportScrollSize.w) + sizeFraction.w),\r\n h: max0(max(viewportScrollSize.h, arrangedViewportScrollSize.h) + sizeFraction.h),\r\n };\r\n const overflowAmountClientSize = {\r\n w: max0(\r\n arrangedViewportClientSize.w +\r\n max0(viewportclientSize.w - viewportScrollSize.w) +\r\n sizeFraction.w\r\n ),\r\n h: max0(\r\n arrangedViewportClientSize.h +\r\n max0(viewportclientSize.h - viewportScrollSize.h) +\r\n sizeFraction.h\r\n ),\r\n };\r\n\r\n overflowEdgeCache = updateOverflowEdge(overflowAmountClientSize);\r\n overflowAmuntCache = updateOverflowAmountCache(\r\n getOverflowAmount(overflowAmountScrollSize, overflowAmountClientSize),\r\n force\r\n );\r\n }\r\n\r\n const [overflowEdge, overflowEdgeChanged] = overflowEdgeCache;\r\n const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;\r\n const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;\r\n const [sizeFraction, sizeFractionChanged] = sizeFractionCache;\r\n const hasOverflow = {\r\n x: overflowAmount.w > 0,\r\n y: overflowAmount.h > 0,\r\n };\r\n const removeClipping =\r\n (overflowXVisible && overflowYVisible && (hasOverflow.x || hasOverflow.y)) ||\r\n (overflowXVisible && hasOverflow.x && !hasOverflow.y) ||\r\n (overflowYVisible && hasOverflow.y && !hasOverflow.x);\r\n\r\n if (\r\n _paddingStyleChanged ||\r\n _directionChanged ||\r\n sizeFractionChanged ||\r\n viewportScrollSizeChanged ||\r\n overflowEdgeChanged ||\r\n overflowAmountChanged ||\r\n overflowChanged ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n adjustFlexboxGlue\r\n ) {\r\n const viewportStyle: StyleObject = {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n width: '',\r\n overflowY: '',\r\n overflowX: '',\r\n };\r\n const viewportOverflowState = setViewportOverflowState(\r\n showNativeOverlaidScrollbars,\r\n hasOverflow,\r\n overflow,\r\n viewportStyle\r\n );\r\n const viewportArranged = arrangeViewport(\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n );\r\n\r\n if (!_viewportIsTarget) {\r\n hideNativeScrollbars(\r\n viewportOverflowState,\r\n _directionIsRTL,\r\n viewportArranged,\r\n viewportStyle\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n fixFlexboxGlue(viewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (_viewportIsTarget) {\r\n attr(_host, dataAttributeHostOverflowX, viewportStyle.overflowX as string);\r\n attr(_host, dataAttributeHostOverflowY, viewportStyle.overflowY as string);\r\n } else {\r\n style(_viewport, viewportStyle);\r\n }\r\n }\r\n\r\n attrClass(_host, dataAttributeHost, dataValueHostOverflowVisible, removeClipping);\r\n conditionalClass(_padding, classNameOverflowVisible, removeClipping);\r\n !_viewportIsTarget && conditionalClass(_viewport, classNameOverflowVisible, overflowVisible);\r\n\r\n const [overflowStyle, overflowStyleChanged] = updateOverflowStyleCache(\r\n getViewportOverflowState(showNativeOverlaidScrollbars)._overflowStyle\r\n );\r\n\r\n setState({\r\n _overflowStyle: overflowStyle,\r\n _overflowEdge: {\r\n x: overflowEdge.w,\r\n y: overflowEdge.h,\r\n },\r\n _overflowAmount: {\r\n x: overflowAmount.w,\r\n y: overflowAmount.h,\r\n },\r\n _hasOverflow: hasOverflow,\r\n });\r\n\r\n return {\r\n _overflowStyleChanged: overflowStyleChanged,\r\n _overflowEdgeChanged: overflowEdgeChanged,\r\n _overflowAmountChanged: overflowAmountChanged,\r\n };\r\n };\r\n};\r\n","import { each, isNumber, scrollLeft, scrollTop, assignDeep, keys } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n createTrinsicUpdateSegment,\r\n createPaddingUpdateSegment,\r\n createOverflowUpdateSegment,\r\n} from 'setups/structureSetup/updateSegments';\r\nimport type { SetupState, SetupUpdateSegment, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\n\r\nexport type CreateStructureUpdateSegment = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n) => StructureSetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdateSegment = SetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdate = (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n) => StructureSetupUpdateHints;\r\n\r\nexport interface StructureSetupUpdateHints {\r\n _sizeChanged: boolean;\r\n _directionChanged: boolean;\r\n _heightIntrinsicChanged: boolean;\r\n _overflowEdgeChanged: boolean;\r\n _overflowAmountChanged: boolean;\r\n _overflowStyleChanged: boolean;\r\n _paddingStyleChanged: boolean;\r\n _hostMutation: boolean;\r\n _contentMutation: boolean;\r\n}\r\n\r\nconst prepareUpdateHints = (\r\n leading: Required,\r\n adaptive?: Partial,\r\n force?: boolean\r\n): Required => {\r\n const result = {};\r\n const finalAdaptive = adaptive || {};\r\n const objKeys = keys(leading).concat(keys(finalAdaptive));\r\n\r\n each(objKeys, (key) => {\r\n const leadingValue = leading[key];\r\n const adaptiveValue = finalAdaptive[key];\r\n result[key] = !!(force || leadingValue || adaptiveValue);\r\n });\r\n\r\n return result as Required;\r\n};\r\n\r\nexport const createStructureSetupUpdate = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n): StructureSetupUpdate => {\r\n const { _viewport } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _flexboxGlue,\r\n } = getEnvironment();\r\n const doViewportArrange =\r\n !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n\r\n const updateSegments: StructureSetupUpdateSegment[] = [\r\n createTrinsicUpdateSegment(structureSetupElements, state),\r\n createPaddingUpdateSegment(structureSetupElements, state),\r\n createOverflowUpdateSegment(structureSetupElements, state),\r\n ];\r\n\r\n return (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n ) => {\r\n const initialUpdateHints = prepareUpdateHints(\r\n assignDeep(\r\n {\r\n _sizeChanged: false,\r\n _paddingStyleChanged: false,\r\n _directionChanged: false,\r\n _heightIntrinsicChanged: false,\r\n _overflowEdgeChanged: false,\r\n _overflowAmountChanged: false,\r\n _overflowStyleChanged: false,\r\n _hostMutation: false,\r\n _contentMutation: false,\r\n },\r\n updateHints\r\n ),\r\n {},\r\n force\r\n );\r\n const adjustScrollOffset = doViewportArrange || !_flexboxGlue;\r\n const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);\r\n const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);\r\n\r\n let adaptivedUpdateHints: Required = initialUpdateHints;\r\n each(updateSegments, (updateSegment) => {\r\n adaptivedUpdateHints = prepareUpdateHints(\r\n adaptivedUpdateHints,\r\n updateSegment(adaptivedUpdateHints, checkOption, !!force) || {},\r\n force\r\n );\r\n });\r\n\r\n if (isNumber(scrollOffsetX)) {\r\n scrollLeft(_viewport, scrollOffsetX);\r\n }\r\n if (isNumber(scrollOffsetY)) {\r\n scrollTop(_viewport, scrollOffsetY);\r\n }\r\n\r\n return adaptivedUpdateHints;\r\n };\r\n};\r\n","import {\r\n Cache,\r\n CacheValues,\r\n createCache,\r\n createDOM,\r\n style,\r\n scrollLeft,\r\n scrollTop,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n addClass,\r\n push,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n isObject,\r\n stopPropagation,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n} from 'classnames';\r\nimport { getPlugins, SizeObserverPluginInstance, sizeObserverPluginName } from 'plugins';\r\n\r\nexport interface SizeObserverOptions {\r\n _direction?: boolean;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserverCallbackParams {\r\n _sizeChanged: boolean;\r\n _directionIsRTLCache?: CacheValues;\r\n _appear?: boolean;\r\n}\r\n\r\nexport type DestroySizeObserver = () => void;\r\n\r\nconst scrollAmount = 3333333;\r\nconst getElmDirectionIsRTL = (elm: HTMLElement): boolean => style(elm, 'direction') === 'rtl';\r\nconst domRectHasDimensions = (rect?: DOMRectReadOnly) => rect && (rect.height || rect.width);\r\n\r\n/**\r\n * Creates a size observer which observes any size, padding, border, margin and box-sizing changes of the target element. Depending on the options also direction and appear can be observed.\r\n * @param target The target element which shall be observed.\r\n * @param onSizeChangedCallback The callback which gets called after a size change was detected.\r\n * @param options The options for size detection, whether to observe also direction and appear.\r\n * @returns A object which represents the instance of the size observer.\r\n */\r\nexport const createSizeObserver = (\r\n target: HTMLElement,\r\n onSizeChangedCallback: (params: SizeObserverCallbackParams) => any,\r\n options?: SizeObserverOptions\r\n): DestroySizeObserver => {\r\n const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } =\r\n options || {};\r\n const sizeObserverPlugin = getPlugins()[sizeObserverPluginName] as\r\n | SizeObserverPluginInstance\r\n | undefined;\r\n const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();\r\n const baseElements = createDOM(\r\n `
`\r\n );\r\n const sizeObserver = baseElements[0] as HTMLElement;\r\n const listenerElement = sizeObserver.firstChild as HTMLElement;\r\n const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);\r\n const [updateResizeObserverContentRectCache] = createCache({\r\n _initialValue: undefined,\r\n _alwaysUpdateValues: true,\r\n _equal: (currVal, newVal) =>\r\n !(\r\n !currVal || // if no initial value\r\n // if from display: none to display: block\r\n (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))\r\n ),\r\n });\r\n const onSizeChangedCallbackProxy = (\r\n sizeChangedContext?: CacheValues | ResizeObserverEntry[] | Event | boolean\r\n ) => {\r\n const isResizeObserverCall =\r\n isArray(sizeChangedContext) &&\r\n sizeChangedContext.length > 0 &&\r\n isObject(sizeChangedContext[0]);\r\n\r\n const hasDirectionCache =\r\n !isResizeObserverCall && isBoolean((sizeChangedContext as CacheValues)[0]);\r\n\r\n let skip = false;\r\n let appear: boolean | number | undefined = false;\r\n let doDirectionScroll = true; // always true if sizeChangedContext is Event (appear callback or RO. Polyfill)\r\n\r\n // if triggered from RO.\r\n if (isResizeObserverCall) {\r\n const [currRContentRect, , prevContentRect] = updateResizeObserverContentRectCache(\r\n (sizeChangedContext as ResizeObserverEntry[]).pop()!.contentRect\r\n );\r\n const hasDimensions = domRectHasDimensions(currRContentRect);\r\n const hadDimensions = domRectHasDimensions(prevContentRect);\r\n skip = !prevContentRect || !hasDimensions; // skip on initial RO. call or if display is none\r\n appear = !hadDimensions && hasDimensions;\r\n\r\n doDirectionScroll = !skip; // direction scroll when not skipping\r\n }\r\n // else if its triggered with DirectionCache\r\n else if (hasDirectionCache) {\r\n [, doDirectionScroll] = sizeChangedContext as CacheValues; // direction scroll when DirectionCache changed, false otherwise\r\n }\r\n // else if it triggered with appear from polyfill\r\n else {\r\n appear = sizeChangedContext === true;\r\n }\r\n\r\n if (observeDirectionChange && doDirectionScroll) {\r\n const rtl = hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)[0]\r\n : getElmDirectionIsRTL(sizeObserver);\r\n scrollLeft(\r\n sizeObserver,\r\n rtl\r\n ? rtlScrollBehavior.n\r\n ? -scrollAmount\r\n : rtlScrollBehavior.i\r\n ? 0\r\n : scrollAmount\r\n : scrollAmount\r\n );\r\n scrollTop(sizeObserver, scrollAmount);\r\n }\r\n\r\n if (!skip) {\r\n onSizeChangedCallback({\r\n _sizeChanged: !hasDirectionCache,\r\n _directionIsRTLCache: hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)\r\n : undefined,\r\n _appear: !!appear,\r\n });\r\n }\r\n };\r\n const offListeners: (() => void)[] = [];\r\n let appearCallback: ((...args: any) => any) | false = observeAppearChange\r\n ? onSizeChangedCallbackProxy\r\n : false;\r\n let directionIsRTLCache: Cache | undefined;\r\n\r\n if (ResizeObserverConstructor) {\r\n const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);\r\n resizeObserverInstance.observe(listenerElement);\r\n push(offListeners, () => {\r\n resizeObserverInstance.disconnect();\r\n });\r\n } else if (sizeObserverPlugin) {\r\n const [pluginAppearCallback, pluginOffListeners] = sizeObserverPlugin._(\r\n listenerElement,\r\n onSizeChangedCallbackProxy,\r\n observeAppearChange\r\n );\r\n appearCallback = pluginAppearCallback;\r\n push(offListeners, pluginOffListeners);\r\n }\r\n\r\n if (observeDirectionChange) {\r\n directionIsRTLCache = createCache(\r\n {\r\n _initialValue: !getIsDirectionRTL(), // invert current value to trigger initial change\r\n },\r\n getIsDirectionRTL\r\n );\r\n const [updateDirectionIsRTLCache] = directionIsRTLCache;\r\n\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'scroll', (event: Event) => {\r\n const directionIsRTLCacheValues = updateDirectionIsRTLCache();\r\n const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;\r\n\r\n if (directionIsRTLChanged) {\r\n removeClass(listenerElement, 'ltr rtl');\r\n if (directionIsRTL) {\r\n addClass(listenerElement, 'rtl');\r\n } else {\r\n addClass(listenerElement, 'ltr');\r\n }\r\n onSizeChangedCallbackProxy(directionIsRTLCacheValues);\r\n }\r\n\r\n stopPropagation(event);\r\n })\r\n );\r\n }\r\n\r\n // appearCallback is always needed on scroll-observer strategy to reset it\r\n if (appearCallback) {\r\n addClass(sizeObserver, classNameSizeObserverAppear);\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'animationstart', appearCallback, {\r\n // Fire only once for \"CSS is ready\" event if ResizeObserver strategy is used\r\n _once: !!ResizeObserverConstructor,\r\n })\r\n );\r\n }\r\n\r\n prependChildren(target, sizeObserver);\r\n\r\n return () => {\r\n runEachAndClear(offListeners);\r\n removeElements(sizeObserver);\r\n };\r\n};\r\n","import {\r\n WH,\r\n CacheValues,\r\n createDiv,\r\n offsetSize,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n createCache,\r\n push,\r\n IntersectionObserverConstructor,\r\n} from 'support';\r\nimport { createSizeObserver } from 'observers/sizeObserver';\r\nimport { classNameTrinsicObserver } from 'classnames';\r\n\r\nexport type TrinsicObserverCallback = (heightIntrinsic: CacheValues) => any;\r\nexport type TrinsicObserver = [\r\n destroy: () => void,\r\n update: () => void | Parameters\r\n];\r\n\r\nconst isHeightIntrinsic = (ioEntryOrSize: IntersectionObserverEntry | WH): boolean =>\r\n (ioEntryOrSize as WH).h === 0 ||\r\n (ioEntryOrSize as IntersectionObserverEntry).isIntersecting ||\r\n (ioEntryOrSize as IntersectionObserverEntry).intersectionRatio > 0;\r\n\r\n/**\r\n * Creates a trinsic observer which observes changes to intrinsic or extrinsic sizing for the height of the target element.\r\n * @param target The element which shall be observed.\r\n * @param onTrinsicChangedCallback The callback which gets called after a change was detected.\r\n * @returns A object which represents the instance of the trinsic observer.\r\n */\r\nexport const createTrinsicObserver = (\r\n target: HTMLElement,\r\n onTrinsicChangedCallback: TrinsicObserverCallback\r\n): TrinsicObserver => {\r\n let intersectionObserverInstance: undefined | IntersectionObserver;\r\n const trinsicObserver = createDiv(classNameTrinsicObserver);\r\n const offListeners: (() => void)[] = [];\r\n const [updateHeightIntrinsicCache] = createCache({\r\n _initialValue: false,\r\n });\r\n const triggerOnTrinsicChangedCallback = (\r\n updateValue?: IntersectionObserverEntry | WH,\r\n fromRecords?: true\r\n ): void | Parameters => {\r\n if (updateValue) {\r\n const heightIntrinsic = updateHeightIntrinsicCache(isHeightIntrinsic(updateValue));\r\n const [, heightIntrinsicChanged] = heightIntrinsic;\r\n\r\n if (heightIntrinsicChanged) {\r\n !fromRecords && onTrinsicChangedCallback(heightIntrinsic);\r\n return [heightIntrinsic];\r\n }\r\n }\r\n };\r\n const intersectionObserverCallback = (\r\n entries: IntersectionObserverEntry[],\r\n fromRecords?: true\r\n ) => {\r\n if (entries && entries.length > 0) {\r\n return triggerOnTrinsicChangedCallback(entries.pop(), fromRecords);\r\n }\r\n };\r\n\r\n if (IntersectionObserverConstructor) {\r\n intersectionObserverInstance = new IntersectionObserverConstructor(\r\n (entries) => intersectionObserverCallback(entries),\r\n { root: target }\r\n );\r\n intersectionObserverInstance.observe(trinsicObserver);\r\n push(offListeners, () => {\r\n intersectionObserverInstance!.disconnect();\r\n });\r\n } else {\r\n const onSizeChanged = () => {\r\n const newSize = offsetSize(trinsicObserver);\r\n triggerOnTrinsicChangedCallback(newSize);\r\n };\r\n push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged));\r\n onSizeChanged();\r\n }\r\n\r\n prependChildren(target, trinsicObserver);\r\n\r\n return [\r\n () => {\r\n runEachAndClear(offListeners);\r\n removeElements(trinsicObserver);\r\n },\r\n () => {\r\n if (intersectionObserverInstance) {\r\n return intersectionObserverCallback(intersectionObserverInstance.takeRecords(), true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n each,\r\n noop,\r\n debounce,\r\n indexOf,\r\n isString,\r\n MutationObserverConstructor,\r\n isEmptyArray,\r\n on,\r\n attr,\r\n is,\r\n find,\r\n push,\r\n} from 'support';\r\n\r\ntype DOMContentObserverCallback = (contentChangedTroughEvent: boolean) => any;\r\n\r\ntype DOMTargetObserverCallback = (targetChangedAttrs: string[], targetStyleChanged: boolean) => any;\r\n\r\ninterface DOMObserverOptionsBase {\r\n _attributes?: string[];\r\n _styleChangingAttributes?: string[];\r\n /**\r\n * A function which can ignore a changed attribute if it returns true.\r\n * for DOMTargetObserver this applies to the changes to the observed target\r\n * for DOMContentObserver this applies to changes to nested targets -> nested targets are elements which match the \"_nestedTargetSelector\" selector\r\n */\r\n _ignoreTargetChange?: DOMObserverIgnoreTargetChange;\r\n}\r\n\r\ninterface DOMContentObserverOptions extends DOMObserverOptionsBase {\r\n _eventContentChange?: DOMObserverEventContentChange; // [selector, eventname(s) | function returning eventname(s)] -> eventnames divided by whitespaces\r\n _nestedTargetSelector?: string;\r\n _ignoreContentChange?: DOMObserverIgnoreContentChange; // function which will prevent marking certain dom changes as content change if it returns true\r\n}\r\n\r\ntype DOMTargetObserverOptions = DOMObserverOptionsBase;\r\n\r\ntype ContentChangeArrayItem = [selector?: string, eventNames?: string] | null | undefined;\r\n\r\nexport type DOMObserverEventContentChange =\r\n | Array\r\n | false\r\n | null\r\n | undefined;\r\n\r\nexport type DOMObserverIgnoreContentChange = (\r\n mutation: MutationRecord,\r\n isNestedTarget: boolean,\r\n domObserverTarget: HTMLElement,\r\n domObserverOptions?: DOMContentObserverOptions\r\n) => boolean;\r\n\r\nexport type DOMObserverIgnoreTargetChange = (\r\n target: Node,\r\n attributeName: string,\r\n oldAttributeValue: string | null,\r\n newAttributeValue: string | null\r\n) => boolean;\r\n\r\nexport type DOMObserverCallback = ContentObserver extends true\r\n ? DOMContentObserverCallback\r\n : DOMTargetObserverCallback;\r\n\r\nexport type DOMObserverOptions = ContentObserver extends true\r\n ? DOMContentObserverOptions\r\n : DOMTargetObserverOptions;\r\n\r\nexport type DOMObserver = [\r\n destroy: () => void,\r\n update: () => void | false | Parameters>\r\n];\r\n\r\ntype EventContentChangeUpdateElement = (getElements?: (selector: string) => Node[]) => void;\r\ntype EventContentChange = [destroy: () => void, updateElements: EventContentChangeUpdateElement];\r\n\r\n/**\r\n * Creates a set of helper functions to observe events of elements inside the target element.\r\n * @param target The target element of which the children elements shall be observed. (not only direct children but also nested ones)\r\n * @param eventContentChange The event content change array. (array of tuples: selector and eventname(s))\r\n * @param callback Callback which is called if one of the elements emits the corresponding event.\r\n * @returns A object which contains a set of helper functions to destroy and update the observation of elements.\r\n */\r\nconst createEventContentChange = (\r\n target: Element,\r\n callback: (...args: any) => any,\r\n eventContentChange?: DOMObserverEventContentChange\r\n): EventContentChange => {\r\n let map: WeakMap any]> | undefined; // weak map to prevent memory leak for detached elements\r\n let destroyed = false;\r\n const destroy = () => {\r\n destroyed = true;\r\n };\r\n const updateElements: EventContentChangeUpdateElement = (getElements?) => {\r\n if (eventContentChange) {\r\n const eventElmList = eventContentChange.reduce>((arr, item) => {\r\n if (item) {\r\n const selector = item[0];\r\n const eventNames = item[1];\r\n const elements =\r\n eventNames &&\r\n selector &&\r\n (getElements ? getElements(selector) : find(selector, target));\r\n\r\n if (elements && elements.length && eventNames && isString(eventNames)) {\r\n push(arr, [elements, eventNames.trim()], true);\r\n }\r\n }\r\n return arr;\r\n }, []);\r\n\r\n each(eventElmList, (item) =>\r\n each(item[0], (elm) => {\r\n const eventNames = item[1];\r\n const entry = map!.get(elm);\r\n\r\n if (entry) {\r\n const entryEventNames = entry[0];\r\n const entryOff = entry[1];\r\n\r\n // in case an already registered element is registered again, unregister the previous events\r\n if (entryEventNames === eventNames) {\r\n entryOff();\r\n }\r\n }\r\n\r\n const off = on(elm, eventNames, (event: Event) => {\r\n if (destroyed) {\r\n off();\r\n map!.delete(elm);\r\n } else {\r\n callback(event);\r\n }\r\n });\r\n map!.set(elm, [eventNames, off]);\r\n })\r\n );\r\n }\r\n };\r\n\r\n if (eventContentChange) {\r\n map = new WeakMap();\r\n updateElements();\r\n }\r\n\r\n return [destroy, updateElements];\r\n};\r\n\r\n/**\r\n * Creates a DOM observer which observes DOM changes to either the target element or its children.\r\n * @param target The element which shall be observed.\r\n * @param isContentObserver Whether this observer is just observing the target or just the targets children. (not only direct children but also nested ones)\r\n * @param callback The callback which gets called if a change was detected.\r\n * @param options The options for DOM change detection.\r\n * @returns A object which represents the instance of the DOM observer.\r\n */\r\nexport const createDOMObserver = (\r\n target: HTMLElement,\r\n isContentObserver: ContentObserver,\r\n callback: DOMObserverCallback,\r\n options?: DOMObserverOptions\r\n): DOMObserver => {\r\n let isConnected = false;\r\n const {\r\n _attributes,\r\n _styleChangingAttributes,\r\n _eventContentChange,\r\n _nestedTargetSelector,\r\n _ignoreTargetChange,\r\n _ignoreContentChange,\r\n } = (options as DOMContentObserverOptions & DOMTargetObserverOptions) || {};\r\n const debouncedEventContentChange = debounce(\r\n () => {\r\n if (isConnected) {\r\n (callback as DOMContentObserverCallback)(true);\r\n }\r\n },\r\n { _timeout: 33, _maxDelay: 99 }\r\n );\r\n const [destroyEventContentChange, updateEventContentChangeElements] = createEventContentChange(\r\n target,\r\n debouncedEventContentChange,\r\n _eventContentChange\r\n );\r\n\r\n // MutationObserver\r\n const finalAttributes = _attributes || [];\r\n const finalStyleChangingAttributes = _styleChangingAttributes || [];\r\n const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);\r\n const observerCallback = (\r\n mutations: MutationRecord[],\r\n fromRecords?: true\r\n ): void | Parameters> => {\r\n const ignoreTargetChange = _ignoreTargetChange || noop;\r\n const ignoreContentChange = _ignoreContentChange || noop;\r\n const targetChangedAttrs: string[] = [];\r\n const totalAddedNodes: Node[] = [];\r\n let targetStyleChanged = false;\r\n let contentChanged = false;\r\n let childListChanged = false;\r\n each(mutations, (mutation) => {\r\n const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;\r\n const isAttributesType = type === 'attributes';\r\n const isChildListType = type === 'childList';\r\n const targetIsMutationTarget = target === mutationTarget;\r\n const attributeValue =\r\n isAttributesType && isString(attributeName)\r\n ? attr(mutationTarget as HTMLElement, attributeName!)\r\n : 0;\r\n const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;\r\n const styleChangingAttrChanged =\r\n indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;\r\n\r\n // if is content observer and something changed in children\r\n if (isContentObserver && !targetIsMutationTarget) {\r\n const notOnlyAttrChanged = !isAttributesType;\r\n const contentAttrChanged = isAttributesType && styleChangingAttrChanged;\r\n const isNestedTarget =\r\n contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);\r\n const baseAssertion = isNestedTarget\r\n ? !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n : notOnlyAttrChanged || contentAttrChanged;\r\n const contentFinalChanged =\r\n baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);\r\n\r\n push(totalAddedNodes, addedNodes);\r\n\r\n contentChanged = contentChanged || contentFinalChanged;\r\n childListChanged = childListChanged || isChildListType;\r\n }\r\n // if is target observer and target attr changed\r\n if (\r\n !isContentObserver &&\r\n targetIsMutationTarget &&\r\n attributeChanged &&\r\n !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n ) {\r\n push(targetChangedAttrs, attributeName!);\r\n targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;\r\n }\r\n });\r\n\r\n if (childListChanged && !isEmptyArray(totalAddedNodes)) {\r\n // adds / removes the new elements from the event content change\r\n updateEventContentChangeElements((selector) =>\r\n totalAddedNodes.reduce((arr, node) => {\r\n push(arr, find(selector, node));\r\n return is(node, selector) ? push(arr, node) : arr;\r\n }, [])\r\n );\r\n }\r\n\r\n if (isContentObserver) {\r\n !fromRecords && contentChanged && (callback as DOMContentObserverCallback)(false);\r\n return [false] as Parameters>;\r\n }\r\n if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {\r\n !fromRecords &&\r\n (callback as DOMTargetObserverCallback)(targetChangedAttrs, targetStyleChanged);\r\n return [targetChangedAttrs, targetStyleChanged] as Parameters<\r\n DOMObserverCallback\r\n >;\r\n }\r\n };\r\n const mutationObserver: MutationObserver = new MutationObserverConstructor!((mutations) =>\r\n observerCallback(mutations)\r\n );\r\n\r\n // Connect\r\n mutationObserver.observe(target, {\r\n attributes: true,\r\n attributeOldValue: true,\r\n attributeFilter: observedAttributes,\r\n subtree: isContentObserver,\r\n childList: isContentObserver,\r\n characterData: isContentObserver,\r\n });\r\n isConnected = true;\r\n\r\n return [\r\n () => {\r\n if (isConnected) {\r\n destroyEventContentChange();\r\n mutationObserver.disconnect();\r\n isConnected = false;\r\n }\r\n },\r\n () => {\r\n if (isConnected) {\r\n debouncedEventContentChange._flush();\r\n\r\n const records = mutationObserver.takeRecords();\r\n return !isEmptyArray(records) && observerCallback(records, true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n debounce,\r\n isArray,\r\n isNumber,\r\n each,\r\n indexOf,\r\n isString,\r\n attr,\r\n removeAttr,\r\n CacheValues,\r\n keys,\r\n liesBetween,\r\n scrollSize,\r\n equalWH,\r\n createCache,\r\n WH,\r\n fractionalSize,\r\n isFunction,\r\n ResizeObserverConstructor,\r\n closest,\r\n assignDeep,\r\n push,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n dataAttributeHost,\r\n dataValueHostOverflowVisible,\r\n classNameViewport,\r\n classNameOverflowVisible,\r\n classNameScrollbar,\r\n} from 'classnames';\r\nimport { createSizeObserver, SizeObserverCallbackParams } from 'observers/sizeObserver';\r\nimport { createTrinsicObserver } from 'observers/trinsicObserver';\r\nimport { createDOMObserver, DOMObserver } from 'observers/domObserver';\r\nimport type { SetupState, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n StructureSetupUpdate,\r\n StructureSetupUpdateHints,\r\n} from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport type StructureSetupObserversUpdate = (checkOption: SetupUpdateCheckOption) => void;\r\n\r\nexport type StructureSetupObservers = [\r\n destroy: () => void,\r\n updateObservers: () => Partial,\r\n updateObserversOptions: StructureSetupObserversUpdate\r\n];\r\n\r\ntype ExcludeFromTuple = T extends [infer F, ...infer R]\r\n ? [F] extends [E]\r\n ? ExcludeFromTuple\r\n : [F, ...ExcludeFromTuple]\r\n : [];\r\n\r\nconst hostSelector = `[${dataAttributeHost}]`;\r\n\r\n// TODO: observer textarea attrs if textarea\r\n\r\nconst viewportSelector = `.${classNameViewport}`;\r\nconst viewportAttrsFromTarget = ['tabindex'];\r\nconst baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];\r\nconst baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];\r\n\r\nexport const createStructureSetupObservers = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState,\r\n structureSetupUpdate: (\r\n ...args: ExcludeFromTuple, Parameters[0]>\r\n ) => any\r\n): StructureSetupObservers => {\r\n let debounceTimeout: number | false | undefined;\r\n let debounceMaxDelay: number | false | undefined;\r\n let contentMutationObserver: DOMObserver | undefined;\r\n const [, setState] = state;\r\n const {\r\n _host,\r\n _viewport,\r\n _content,\r\n _isTextarea,\r\n _viewportIsTarget,\r\n _viewportHasClass,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n\r\n const [updateContentSizeCache] = createCache>(\r\n {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n },\r\n () => {\r\n const has = _viewportHasClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n\r\n const contentScroll = scrollSize(_content);\r\n const viewportScroll = scrollSize(_viewport);\r\n const fractional = fractionalSize(_viewport);\r\n\r\n has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, true);\r\n return {\r\n w: viewportScroll.w + contentScroll.w + fractional.w,\r\n h: viewportScroll.h + contentScroll.h + fractional.h,\r\n };\r\n }\r\n );\r\n const contentMutationObserverAttr = _isTextarea\r\n ? baseStyleChangingAttrsTextarea\r\n : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);\r\n const structureSetupUpdateWithDebouncedAdaptiveUpdateHints = debounce(structureSetupUpdate, {\r\n _timeout: () => debounceTimeout,\r\n _maxDelay: () => debounceMaxDelay,\r\n _mergeParams(prev, curr) {\r\n const [prevObj] = prev;\r\n const [currObj] = curr;\r\n return [\r\n keys(prevObj)\r\n .concat(keys(currObj))\r\n .reduce((obj, key) => {\r\n obj[key] = prevObj[key] || currObj[key];\r\n return obj;\r\n }, {}),\r\n ] as [Partial];\r\n },\r\n });\r\n\r\n const updateViewportAttrsFromHost = (attributes?: string[]) => {\r\n each(attributes || viewportAttrsFromTarget, (attribute) => {\r\n if (indexOf(viewportAttrsFromTarget, attribute) > -1) {\r\n const hostAttr = attr(_host, attribute);\r\n if (isString(hostAttr)) {\r\n attr(_viewport, attribute, hostAttr);\r\n } else {\r\n removeAttr(_viewport, attribute);\r\n }\r\n }\r\n });\r\n };\r\n const onTrinsicChanged = (heightIntrinsicCache: CacheValues, fromRecords?: true) => {\r\n const [heightIntrinsic, heightIntrinsicChanged] = heightIntrinsicCache;\r\n const updateHints: Partial = {\r\n _heightIntrinsicChanged: heightIntrinsicChanged,\r\n };\r\n setState({ _heightIntrinsic: heightIntrinsic });\r\n !fromRecords && structureSetupUpdate(updateHints);\r\n return updateHints;\r\n };\r\n const onSizeChanged = ({\r\n _sizeChanged,\r\n _directionIsRTLCache,\r\n _appear,\r\n }: SizeObserverCallbackParams) => {\r\n const updateFn =\r\n !_sizeChanged || _appear\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n let directionChanged = false;\r\n if (_directionIsRTLCache) {\r\n const [directionIsRTL, directionIsRTLChanged] = _directionIsRTLCache;\r\n directionChanged = directionIsRTLChanged;\r\n setState({ _directionIsRTL: directionIsRTL });\r\n }\r\n\r\n updateFn({ _sizeChanged, _directionChanged: directionChanged });\r\n };\r\n const onContentMutation = (contentChangedTroughEvent: boolean, fromRecords?: true) => {\r\n const [, contentSizeChanged] = updateContentSizeCache();\r\n const updateHints: Partial = {\r\n _contentMutation: contentSizeChanged,\r\n };\r\n // if contentChangedTroughEvent is true its already debounced\r\n const updateFn = contentChangedTroughEvent\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n if (contentSizeChanged) {\r\n !fromRecords && updateFn(updateHints);\r\n }\r\n return updateHints;\r\n };\r\n const onHostMutation = (\r\n targetChangedAttrs: string[],\r\n targetStyleChanged: boolean,\r\n fromRecords?: true\r\n ) => {\r\n const updateHints: Partial = { _hostMutation: targetStyleChanged };\r\n if (targetStyleChanged) {\r\n !fromRecords && structureSetupUpdateWithDebouncedAdaptiveUpdateHints(updateHints);\r\n } else if (!_viewportIsTarget) {\r\n updateViewportAttrsFromHost(targetChangedAttrs);\r\n }\r\n return updateHints;\r\n };\r\n\r\n const trinsicObserver =\r\n (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);\r\n const destroySizeObserver =\r\n !_viewportIsTarget &&\r\n createSizeObserver(_host, onSizeChanged, {\r\n _appear: true,\r\n _direction: !_nativeScrollbarStyling,\r\n });\r\n const [destroyHostMutationObserver, updateHostMutationObserver] = createDOMObserver(\r\n _host,\r\n false,\r\n onHostMutation,\r\n {\r\n _styleChangingAttributes: baseStyleChangingAttrs,\r\n _attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),\r\n }\r\n );\r\n\r\n const viewportIsTargetResizeObserver =\r\n _viewportIsTarget &&\r\n new ResizeObserverConstructor!(onSizeChanged.bind(0, { _sizeChanged: true }));\r\n\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.observe(_host);\r\n updateViewportAttrsFromHost();\r\n\r\n return [\r\n () => {\r\n contentMutationObserver && contentMutationObserver[0](); // destroy\r\n trinsicObserver && trinsicObserver[0](); // destroy\r\n destroySizeObserver && destroySizeObserver();\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.disconnect();\r\n destroyHostMutationObserver();\r\n },\r\n () => {\r\n const updateHints: Partial = {};\r\n const hostUpdateResult = updateHostMutationObserver();\r\n const contentUpdateResult = contentMutationObserver && contentMutationObserver[1](); // update\r\n const trinsicUpdateResult = trinsicObserver && trinsicObserver[1](); // update\r\n\r\n if (hostUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onHostMutation.apply(\r\n 0,\r\n push(hostUpdateResult, true) as [\r\n ...updateResult: typeof hostUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (contentUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onContentMutation.apply(\r\n 0,\r\n push(contentUpdateResult, true) as [\r\n ...updateResult: typeof contentUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (trinsicUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onTrinsicChanged.apply(\r\n 0,\r\n push(trinsicUpdateResult as any[], true) as [\r\n ...updateResult: typeof trinsicUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n\r\n return updateHints;\r\n },\r\n (checkOption) => {\r\n const [ignoreMutation] = checkOption('updating.ignoreMutation');\r\n const [attributes, attributesChanged] = checkOption('updating.attributes');\r\n const [elementEvents, elementEventsChanged] = checkOption | null>(\r\n 'updating.elementEvents'\r\n );\r\n const [debounceValue, debounceChanged] = checkOption | number | null>(\r\n 'updating.debounce'\r\n );\r\n const updateContentMutationObserver = elementEventsChanged || attributesChanged;\r\n const ignoreMutationFromOptions = (mutation: MutationRecord) =>\r\n isFunction(ignoreMutation) && ignoreMutation(mutation);\r\n\r\n if (updateContentMutationObserver) {\r\n if (contentMutationObserver) {\r\n contentMutationObserver[1](); // update\r\n contentMutationObserver[0](); // destroy\r\n }\r\n contentMutationObserver = createDOMObserver(\r\n _content || _viewport,\r\n true,\r\n onContentMutation,\r\n {\r\n _styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),\r\n _attributes: contentMutationObserverAttr.concat(attributes || []),\r\n _eventContentChange: elementEvents,\r\n _nestedTargetSelector: hostSelector,\r\n _ignoreContentChange: (mutation, isNestedTarget) => {\r\n const { target, attributeName } = mutation;\r\n const ignore =\r\n !isNestedTarget && attributeName\r\n ? liesBetween(target, hostSelector, viewportSelector)\r\n : false;\r\n return (\r\n ignore ||\r\n !!closest(target, `.${classNameScrollbar}`) || // ignore explicitely all scrollbar elements\r\n !!ignoreMutationFromOptions(mutation)\r\n );\r\n },\r\n }\r\n );\r\n }\r\n\r\n if (debounceChanged) {\r\n structureSetupUpdateWithDebouncedAdaptiveUpdateHints._flush();\r\n if (isArray(debounceValue)) {\r\n const timeout = debounceValue[0];\r\n const maxWait = debounceValue[1];\r\n debounceTimeout = isNumber(timeout) ? timeout : false;\r\n debounceMaxDelay = isNumber(maxWait) ? maxWait : false;\r\n } else if (isNumber(debounceValue)) {\r\n debounceTimeout = debounceValue;\r\n debounceMaxDelay = false;\r\n } else {\r\n debounceTimeout = false;\r\n debounceMaxDelay = false;\r\n }\r\n }\r\n },\r\n ];\r\n};\r\n","import { createEventListenerHub, isEmptyObject, keys } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport { createStructureSetupElements } from 'setups/structureSetup/structureSetup.elements';\r\nimport { createStructureSetupUpdate } from 'setups/structureSetup/structureSetup.update';\r\nimport { createStructureSetupObservers } from 'setups/structureSetup/structureSetup.observers';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type { TRBL, XY, EventListener } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { Setup } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { PartialOptions, StyleObject, OverflowStyle } from 'typings';\r\n\r\nexport interface StructureSetupState {\r\n _padding: TRBL;\r\n _paddingAbsolute: boolean;\r\n _viewportPaddingStyle: StyleObject;\r\n _overflowEdge: XY;\r\n _overflowAmount: XY;\r\n _overflowStyle: XY;\r\n _hasOverflow: XY;\r\n _heightIntrinsic: boolean;\r\n _directionIsRTL: boolean;\r\n}\r\n\r\nexport interface StructureSetupStaticState {\r\n _elements: StructureSetupElementsObj;\r\n _appendElements: () => void;\r\n _addOnUpdatedListener: (listener: EventListener) => void;\r\n}\r\n\r\ntype StructureSetupEventMap = {\r\n u: [\r\n updateHints: StructureSetupUpdateHints,\r\n changedOptions: PartialOptions,\r\n force: boolean\r\n ];\r\n};\r\n\r\nconst initialXYNumber = { x: 0, y: 0 };\r\nconst initialStructureSetupUpdateState: StructureSetupState = {\r\n _padding: {\r\n t: 0,\r\n r: 0,\r\n b: 0,\r\n l: 0,\r\n },\r\n _paddingAbsolute: false,\r\n _viewportPaddingStyle: {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n paddingTop: 0,\r\n paddingRight: 0,\r\n paddingBottom: 0,\r\n paddingLeft: 0,\r\n },\r\n _overflowEdge: initialXYNumber,\r\n _overflowAmount: initialXYNumber,\r\n _overflowStyle: {\r\n x: 'hidden',\r\n y: 'hidden',\r\n },\r\n _hasOverflow: {\r\n x: false,\r\n y: false,\r\n },\r\n _heightIntrinsic: false,\r\n _directionIsRTL: false,\r\n};\r\n\r\nexport const createStructureSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions\r\n): Setup => {\r\n const checkOptionsFallback = createOptionCheck(options, {});\r\n const state = createState(initialStructureSetupUpdateState);\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub();\r\n const [getState] = state;\r\n const [elements, appendElements, destroyElements] = createStructureSetupElements(target);\r\n const updateStructure = createStructureSetupUpdate(elements, state);\r\n const triggerUpdateEvent: (...args: StructureSetupEventMap['u']) => void = (\r\n updateHints,\r\n changedOptions,\r\n force\r\n ) => {\r\n const truthyUpdateHints = keys(updateHints).some((key) => updateHints[key]);\r\n\r\n if (truthyUpdateHints || !isEmptyObject(changedOptions) || force) {\r\n triggerEvent('u', [updateHints, changedOptions, force]);\r\n }\r\n };\r\n const [destroyObservers, updateObservers, updateObserversOptions] = createStructureSetupObservers(\r\n elements,\r\n state,\r\n (updateHints) => {\r\n triggerUpdateEvent(updateStructure(checkOptionsFallback, updateHints), {}, false);\r\n }\r\n );\r\n\r\n const structureSetupState = getState.bind(0) as (() => StructureSetupState) &\r\n StructureSetupStaticState;\r\n structureSetupState._addOnUpdatedListener = (listener) => {\r\n addEvent('u', listener);\r\n };\r\n structureSetupState._appendElements = appendElements;\r\n structureSetupState._elements = elements;\r\n\r\n return [\r\n (changedOptions, force?) => {\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n updateObserversOptions(checkOption);\r\n triggerUpdateEvent(\r\n updateStructure(checkOption, updateObservers(), force),\r\n changedOptions,\r\n !!force\r\n );\r\n },\r\n structureSetupState,\r\n () => {\r\n removeEvent();\r\n destroyObservers();\r\n destroyElements();\r\n },\r\n ];\r\n};\r\n","import {\r\n addClass,\r\n appendChildren,\r\n createDiv,\r\n each,\r\n isEmptyArray,\r\n on,\r\n push,\r\n removeClass,\r\n removeElements,\r\n runEachAndClear,\r\n setT,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameScrollbar,\r\n classNameScrollbarHorizontal,\r\n classNameScrollbarVertical,\r\n classNameScrollbarTrack,\r\n classNameScrollbarHandle,\r\n classNamesScrollbarInteraction,\r\n classNamesScrollbarTransitionless,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { dynamicInitializationElement as generalDynamicInitializationElement } from 'initialization';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n ScrollbarsDynamicInitializationElement,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.initialization';\r\n\r\nexport interface ScrollbarStructure {\r\n _scrollbar: HTMLElement;\r\n _track: HTMLElement;\r\n _handle: HTMLElement;\r\n}\r\n\r\nexport interface ScrollbarsSetupElement {\r\n _scrollbarStructures: ScrollbarStructure[];\r\n _clone: () => ScrollbarStructure;\r\n _addRemoveClass: (classNames: string, add?: boolean) => void;\r\n // _removeClass: (classNames: string) => void;\r\n /*\r\n _addEventListener: () => void;\r\n _removeEventListener: () => void;\r\n */\r\n}\r\n\r\nexport interface ScrollbarsSetupElementsObj {\r\n _horizontal: ScrollbarsSetupElement;\r\n _vertical: ScrollbarsSetupElement;\r\n}\r\n\r\nexport type ScrollbarsSetupElements = [\r\n elements: ScrollbarsSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nconst interactionStartEventNames = 'touchstart mouseenter';\r\nconst interactionEndEventNames = 'touchend touchcancel mouseleave';\r\nconst stopRootClickPropagation = (scrollbar: HTMLElement, documentElm: Document) =>\r\n on(\r\n scrollbar,\r\n 'mousedown',\r\n on.bind(0, documentElm, 'click', stopPropagation, { _once: true, _capture: true }),\r\n { _capture: true }\r\n );\r\n\r\nexport const createScrollbarsSetupElements = (\r\n target: InitializationTarget,\r\n structureSetupElements: StructureSetupElementsObj\r\n): ScrollbarsSetupElements => {\r\n const { _getInitializationStrategy } = getEnvironment();\r\n const { _scrollbarsSlot: environmentScrollbarSlot } =\r\n _getInitializationStrategy() as ScrollbarsInitializationStrategy;\r\n const { _documentElm, _target, _host, _viewport, _targetIsElm } = structureSetupElements;\r\n const initializationScrollbarSlot =\r\n !_targetIsElm && (target as ScrollbarsInitialization).scrollbarsSlot;\r\n const evaluatedScrollbarSlot =\r\n generalDynamicInitializationElement(\r\n [_target, _host, _viewport],\r\n () => _host,\r\n environmentScrollbarSlot,\r\n initializationScrollbarSlot\r\n );\r\n const scrollbarsAddRemoveClass = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n classNames: string,\r\n add?: boolean\r\n ) => {\r\n const action = add ? addClass : removeClass;\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n action(scrollbarStructure._scrollbar, classNames);\r\n });\r\n };\r\n const destroyFns: (() => void)[] = [];\r\n const horizontalScrollbars: ScrollbarStructure[] = [];\r\n const verticalScrollbars: ScrollbarStructure[] = [];\r\n\r\n const addRemoveClassHorizontal = scrollbarsAddRemoveClass.bind(0, horizontalScrollbars);\r\n const addRemoveClassVertical = scrollbarsAddRemoveClass.bind(0, verticalScrollbars);\r\n const generateScrollbarDOM = (horizontal?: boolean): ScrollbarStructure => {\r\n const scrollbarClassName = horizontal\r\n ? classNameScrollbarHorizontal\r\n : classNameScrollbarVertical;\r\n const arrToPush = horizontal ? horizontalScrollbars : verticalScrollbars;\r\n const transitionlessClass = isEmptyArray(arrToPush) ? classNamesScrollbarTransitionless : '';\r\n const scrollbar = createDiv(\r\n `${classNameScrollbar} ${scrollbarClassName} ${transitionlessClass} os-theme-dark`\r\n );\r\n const track = createDiv(classNameScrollbarTrack);\r\n const handle = createDiv(classNameScrollbarHandle);\r\n const result = {\r\n _scrollbar: scrollbar,\r\n _track: track,\r\n _handle: handle,\r\n };\r\n\r\n appendChildren(scrollbar, track);\r\n appendChildren(track, handle);\r\n\r\n push(arrToPush, result);\r\n push(destroyFns, [\r\n removeElements.bind(0, scrollbar),\r\n on(scrollbar, interactionStartEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction, true);\r\n addRemoveClassVertical(classNamesScrollbarInteraction, true);\r\n }),\r\n on(scrollbar, interactionEndEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction);\r\n addRemoveClassVertical(classNamesScrollbarInteraction);\r\n }),\r\n stopRootClickPropagation(scrollbar, _documentElm),\r\n ]);\r\n\r\n return result;\r\n };\r\n const generateHorizontalScrollbarStructure = generateScrollbarDOM.bind(0, true);\r\n const generateVerticalScrollbarStructure = generateScrollbarDOM.bind(0, false);\r\n const appendElements = () => {\r\n appendChildren(evaluatedScrollbarSlot, horizontalScrollbars[0]._scrollbar);\r\n appendChildren(evaluatedScrollbarSlot, verticalScrollbars[0]._scrollbar);\r\n\r\n setT(() => {\r\n addRemoveClassHorizontal(classNamesScrollbarTransitionless);\r\n addRemoveClassVertical(classNamesScrollbarTransitionless);\r\n }, 300);\r\n };\r\n\r\n generateHorizontalScrollbarStructure();\r\n generateVerticalScrollbarStructure();\r\n\r\n return [\r\n {\r\n _horizontal: {\r\n _scrollbarStructures: horizontalScrollbars,\r\n _clone: generateHorizontalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassHorizontal,\r\n },\r\n _vertical: {\r\n _scrollbarStructures: verticalScrollbars,\r\n _clone: generateVerticalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassVertical,\r\n },\r\n },\r\n appendElements,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { rAF, cAF, isFunction, on, runEachAndClear, setT, clearT } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport {\r\n createScrollbarsSetupElements,\r\n ScrollbarsSetupElementsObj,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.elements';\r\nimport {\r\n classNamesScrollbarVisible,\r\n classNamesScrollbarCornerless,\r\n classNamesScrollbarAutoHidden,\r\n} from 'classnames';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type {\r\n ReadonlyOSOptions,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport type { Setup, StructureSetupState, StructureSetupStaticState } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { OverflowStyle } from 'typings';\r\n\r\n// eslint-disable-next-line @typescript-eslint/no-empty-interface\r\nexport interface ScrollbarsSetupState {}\r\n\r\nexport interface ScrollbarsSetupStaticState {\r\n _elements: ScrollbarsSetupElementsObj;\r\n _appendElements: () => void;\r\n}\r\n\r\nconst createSelfCancelTimeout = (timeout?: number | (() => number)) => {\r\n let id: number;\r\n const setTFn = timeout ? setT : rAF!;\r\n const clearTFn = timeout ? clearT : cAF!;\r\n return [\r\n (callback: () => any) => {\r\n clearTFn(id);\r\n // @ts-ignore\r\n id = setTFn(callback, isFunction(timeout) ? timeout() : timeout);\r\n },\r\n () => clearTFn(id),\r\n ] as [timeout: (callback: () => any) => void, clear: () => void];\r\n};\r\n\r\nexport const createScrollbarsSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions,\r\n structureSetupState: (() => StructureSetupState) & StructureSetupStaticState\r\n): Setup => {\r\n let globalAutoHideDelay = 0;\r\n let autoHideIsMove: boolean;\r\n let autoHideIsLeave: boolean;\r\n let autoHideNotNever: boolean;\r\n let mouseInHost: boolean;\r\n const state = createState({});\r\n const [getState] = state;\r\n const [requestMouseMoveAnimationFrame, cancelMouseMoveAnimationFrame] = createSelfCancelTimeout();\r\n const [requestScrollAnimationFrame, cancelScrollAnimationFrame] = createSelfCancelTimeout();\r\n const [scrollTimeout, clearScrollTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideMoveTimeout, clearAutoHideTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideTimeout, clearAutoTimeout] = createSelfCancelTimeout(() => globalAutoHideDelay);\r\n const [elements, appendElements, destroyElements] = createScrollbarsSetupElements(\r\n target,\r\n structureSetupState._elements\r\n );\r\n const { _host, _viewport } = structureSetupState._elements;\r\n const { _horizontal, _vertical } = elements;\r\n const { _addRemoveClass: addRemoveClassHorizontal } = _horizontal;\r\n const { _addRemoveClass: addRemoveClassVertical } = _vertical;\r\n const manageScrollbarsAutoHide = (removeAutoHide: boolean, delayless?: boolean) => {\r\n clearAutoTimeout();\r\n if (removeAutoHide) {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden);\r\n } else {\r\n const hide = () => {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden, true);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden, true);\r\n };\r\n if (globalAutoHideDelay > 0 && !delayless) {\r\n auotHideTimeout(hide);\r\n } else {\r\n hide();\r\n }\r\n }\r\n };\r\n const onHostMouseEnter = () => {\r\n mouseInHost = autoHideIsLeave;\r\n mouseInHost && manageScrollbarsAutoHide(true);\r\n };\r\n const destroyFns: (() => void)[] = [\r\n clearScrollTimeout,\r\n clearAutoTimeout,\r\n clearAutoHideTimeout,\r\n cancelScrollAnimationFrame,\r\n cancelMouseMoveAnimationFrame,\r\n destroyElements,\r\n\r\n on(_host, 'mouseover', onHostMouseEnter, { _once: true }),\r\n on(_host, 'mouseenter', onHostMouseEnter),\r\n on(_host, 'mouseleave', () => {\r\n mouseInHost = false;\r\n autoHideIsLeave && manageScrollbarsAutoHide(false);\r\n }),\r\n on(_host, 'mousemove', () => {\r\n autoHideIsMove &&\r\n requestMouseMoveAnimationFrame(() => {\r\n clearScrollTimeout();\r\n manageScrollbarsAutoHide(true);\r\n auotHideMoveTimeout(() => {\r\n autoHideIsMove && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n on(_viewport, 'scroll', () => {\r\n autoHideNotNever &&\r\n requestScrollAnimationFrame(() => {\r\n manageScrollbarsAutoHide(true);\r\n scrollTimeout(() => {\r\n autoHideNotNever && !mouseInHost && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n ];\r\n const scrollbarsSetupState = getState.bind(0) as (() => ScrollbarsSetupState) &\r\n ScrollbarsSetupStaticState;\r\n scrollbarsSetupState._elements = elements;\r\n scrollbarsSetupState._appendElements = appendElements;\r\n\r\n return [\r\n (changedOptions, force, structureUpdateHints) => {\r\n const { _overflowEdgeChanged, _overflowAmountChanged, _overflowStyleChanged } =\r\n structureUpdateHints;\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n\r\n const [visibility, visibilityChanged] =\r\n checkOption('scrollbars.visibility');\r\n const [autoHide, autoHideChanged] =\r\n checkOption('scrollbars.autoHide');\r\n const [autoHideDelay] = checkOption('scrollbars.autoHideDelay');\r\n const [dragScrolling, dragScrollingChanged] = checkOption(\r\n 'scrollbars.dragScrolling'\r\n );\r\n const [touchSupport, touchSupportChanged] = checkOption('scrollbars.touchSupport');\r\n\r\n const updateHandleSize = _overflowEdgeChanged || _overflowAmountChanged;\r\n const updateVisibility = _overflowStyleChanged || visibilityChanged;\r\n\r\n const setScrollbarVisibility = (\r\n overflowStyle: OverflowStyle,\r\n addRemoveClass: (classNames: string, add?: boolean) => void\r\n ) => {\r\n const isVisible =\r\n visibility === 'visible' || (visibility === 'auto' && overflowStyle === 'scroll');\r\n addRemoveClass(classNamesScrollbarVisible, isVisible);\r\n return isVisible;\r\n };\r\n\r\n globalAutoHideDelay = autoHideDelay;\r\n\r\n if (updateVisibility) {\r\n const { _overflowStyle } = structureSetupState();\r\n\r\n const xVisible = setScrollbarVisibility(_overflowStyle.x, addRemoveClassHorizontal);\r\n const yVisible = setScrollbarVisibility(_overflowStyle.y, addRemoveClassVertical);\r\n const hasCorner = xVisible && yVisible;\r\n\r\n addRemoveClassHorizontal(classNamesScrollbarCornerless, !hasCorner);\r\n addRemoveClassVertical(classNamesScrollbarCornerless, !hasCorner);\r\n }\r\n if (autoHideChanged) {\r\n autoHideIsMove = autoHide === 'move';\r\n autoHideIsLeave = autoHide === 'leave';\r\n autoHideNotNever = autoHide !== 'never';\r\n manageScrollbarsAutoHide(!autoHideNotNever, true);\r\n }\r\n },\r\n scrollbarsSetupState,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { OverlayScrollbars } from 'overlayscrollbars';\r\n\r\nconst targets: Set = new Set();\r\nconst targetInstanceMap: WeakMap = new WeakMap();\r\n\r\n/**\r\n * Adds the given OverlayScrollbars instance to the given element.\r\n * @param target The element which is the target of the OverlayScrollbars instance.\r\n * @param osInstance The OverlayScrollbars instance.\r\n */\r\nexport const addInstance = (target: Element, osInstance: OverlayScrollbars): void => {\r\n targetInstanceMap.set(target, osInstance);\r\n targets.add(target);\r\n};\r\n\r\n/**\r\n * Removes a OverlayScrollbars instance from the given element.\r\n * @param target The element from which its OverlayScrollbars instance shall be removed.\r\n */\r\nexport const removeInstance = (target: Element): void => {\r\n targetInstanceMap.delete(target);\r\n targets.delete(target);\r\n};\r\n\r\n/**\r\n * Gets the OverlayScrollbars from the given element or undefined if it doesn't have one.\r\n * @param target The element of which its OverlayScrollbars instance shall be get.\r\n */\r\nexport const getInstance = (target: Element): OverlayScrollbars | undefined =>\r\n targetInstanceMap.get(target);\r\n\r\n/**\r\n * Gets a Map which represents all active OverayScrollbars instances.\r\n * The Key is the element and the value is the instance.\r\n */\r\nexport const allInstances = (): ReadonlyMap => {\r\n const validTargetInstanceMap: Map = new Map();\r\n\r\n targets.forEach((target: Element) => {\r\n /* istanbul ignore else */\r\n if (targetInstanceMap.has(target)) {\r\n validTargetInstanceMap.set(target, targetInstanceMap.get(target)!);\r\n }\r\n });\r\n\r\n targets.clear();\r\n\r\n validTargetInstanceMap.forEach((instance: OverlayScrollbars, validTarget: Element) => {\r\n targets.add(validTarget);\r\n });\r\n\r\n return validTargetInstanceMap;\r\n};\r\n","import {\r\n assignDeep,\r\n isEmptyObject,\r\n each,\r\n isFunction,\r\n keys,\r\n isHTMLElement,\r\n XY,\r\n TRBL,\r\n createEventListenerHub,\r\n} from 'support';\r\nimport { createStructureSetup, createScrollbarsSetup } from 'setups';\r\nimport { getOptionsDiff, Options, ReadonlyOSOptions } from 'options';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n getPlugins,\r\n addPlugin,\r\n optionsValidationPluginName,\r\n Plugin,\r\n OptionsValidationPluginInstance,\r\n} from 'plugins';\r\nimport { addInstance, getInstance, removeInstance } from 'instances';\r\nimport type { PartialOptions, OverflowStyle } from 'typings';\r\nimport type {\r\n InitializationTarget,\r\n InitializationTargetObject,\r\n InitializationStrategy,\r\n} from 'initialization';\r\nimport type {\r\n InitialEventListeners as GeneralInitialEventListeners,\r\n EventListener as GeneralEventListener,\r\n} from 'support/eventListeners';\r\n\r\nexport interface OverlayScrollbarsStatic {\r\n (\r\n target: InitializationTarget | InitializationTargetObject,\r\n options?: PartialOptions,\r\n eventListeners?: GeneralInitialEventListeners\r\n ): OverlayScrollbars;\r\n\r\n plugin(plugin: Plugin | Plugin[]): void;\r\n env(): Environment;\r\n}\r\n\r\nexport interface Environment {\r\n scrollbarsSize: XY;\r\n scrollbarsOverlaid: XY;\r\n scrollbarsHiding: boolean;\r\n rtlScrollBehavior: { n: boolean; i: boolean };\r\n flexboxGlue: boolean;\r\n cssCustomProperties: boolean;\r\n defaultInitializationStrategy: InitializationStrategy;\r\n defaultDefaultOptions: Options;\r\n\r\n getInitializationStrategy(): InitializationStrategy;\r\n setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n getDefaultOptions(): Options;\r\n setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nexport interface State {\r\n padding: TRBL;\r\n paddingAbsolute: boolean;\r\n overflowEdge: XY;\r\n overflowAmount: XY;\r\n overflowStyle: XY;\r\n hasOverflow: XY;\r\n destroyed: boolean;\r\n}\r\n\r\nexport interface Elements {\r\n target: HTMLElement;\r\n host: HTMLElement;\r\n padding: HTMLElement;\r\n viewport: HTMLElement;\r\n content: HTMLElement;\r\n}\r\n\r\nexport interface OnUpdatedEventListenerArgs {\r\n updateHints: {\r\n sizeChanged: boolean;\r\n directionChanged: boolean;\r\n heightIntrinsicChanged: boolean;\r\n overflowEdgeChanged: boolean;\r\n overflowAmountChanged: boolean;\r\n overflowStyleChanged: boolean;\r\n hostMutation: boolean;\r\n contentMutation: boolean;\r\n };\r\n changedOptions: PartialOptions;\r\n force: boolean;\r\n}\r\n\r\nexport type EventListenerMap = {\r\n /**\r\n * Triggered after all elements are initialized and appended.\r\n */\r\n initialized: [instance: OverlayScrollbars];\r\n /**\r\n * Triggered after an update.\r\n */\r\n updated: [instance: OverlayScrollbars, onUpdatedArgs: OnUpdatedEventListenerArgs];\r\n /**\r\n * Triggered after all elements, observers and events are destroyed.\r\n */\r\n destroyed: [instance: OverlayScrollbars, withdrawn: boolean];\r\n};\r\n\r\nexport type InitialEventListeners = GeneralInitialEventListeners;\r\n\r\nexport type EventListener = GeneralEventListener<\r\n EventListenerMap,\r\n Name\r\n>;\r\n\r\nexport interface OverlayScrollbars {\r\n options(): Options;\r\n options(newOptions?: PartialOptions): Options;\r\n\r\n update(force?: boolean): OverlayScrollbars;\r\n\r\n destroy(): void;\r\n\r\n state(): State;\r\n\r\n elements(): Elements;\r\n\r\n on(name: Name, listener: EventListener): () => void;\r\n on(name: Name, listener: EventListener[]): () => void;\r\n\r\n off(name: Name, listener: EventListener): void;\r\n off(name: Name, listener: EventListener[]): void;\r\n}\r\n\r\n/**\r\n * Notes:\r\n * Height intrinsic detection use \"content: true\" init strategy - or open ticket for custom height intrinsic observer\r\n */\r\n\r\nexport const OverlayScrollbars: OverlayScrollbarsStatic = (\r\n target,\r\n options?,\r\n eventListeners?\r\n): OverlayScrollbars => {\r\n let destroyed = false;\r\n const {\r\n _getDefaultOptions,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _addListener: addEnvListener,\r\n } = getEnvironment();\r\n const plugins = getPlugins();\r\n const instanceTarget = isHTMLElement(target) ? target : target.target;\r\n const potentialInstance = getInstance(instanceTarget);\r\n if (potentialInstance) {\r\n return potentialInstance;\r\n }\r\n\r\n const optionsValidationPlugin = plugins[\r\n optionsValidationPluginName\r\n ] as OptionsValidationPluginInstance;\r\n const validateOptions = (newOptions?: PartialOptions) => {\r\n const opts = newOptions || {};\r\n const validate = optionsValidationPlugin && optionsValidationPlugin._;\r\n return validate ? validate(opts, true) : opts;\r\n };\r\n const currentOptions: ReadonlyOSOptions = assignDeep(\r\n {},\r\n _getDefaultOptions(),\r\n validateOptions(options)\r\n );\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub(eventListeners);\r\n const [updateStructure, structureState, destroyStructure] = createStructureSetup(\r\n target,\r\n currentOptions\r\n );\r\n const [updateScrollbars, scrollbarsState, destroyScrollbars] = createScrollbarsSetup(\r\n target,\r\n currentOptions,\r\n structureState\r\n );\r\n const update = (changedOptions: PartialOptions, force?: boolean) => {\r\n updateStructure(changedOptions, !!force);\r\n };\r\n const removeEnvListener = addEnvListener(update.bind(0, {}, true));\r\n const destroy = (withdrawn?: boolean) => {\r\n removeInstance(instanceTarget);\r\n removeEnvListener();\r\n\r\n destroyScrollbars();\r\n destroyStructure();\r\n\r\n destroyed = true;\r\n\r\n // eslint-disable-next-line no-use-before-define\r\n triggerEvent('destroyed', [instance, !!withdrawn]);\r\n removeEvent();\r\n };\r\n\r\n const instance: OverlayScrollbars = {\r\n options(newOptions?: PartialOptions) {\r\n if (newOptions) {\r\n const changedOptions = getOptionsDiff(currentOptions, validateOptions(newOptions));\r\n\r\n if (!isEmptyObject(changedOptions)) {\r\n assignDeep(currentOptions, changedOptions);\r\n update(changedOptions);\r\n }\r\n }\r\n return assignDeep({}, currentOptions);\r\n },\r\n on: addEvent,\r\n off: (name, listener) => {\r\n name && listener && removeEvent(name, listener as any);\r\n },\r\n state() {\r\n const {\r\n _overflowEdge,\r\n _overflowAmount,\r\n _overflowStyle,\r\n _hasOverflow,\r\n _padding,\r\n _paddingAbsolute,\r\n } = structureState();\r\n return assignDeep(\r\n {},\r\n {\r\n overflowEdge: _overflowEdge,\r\n overflowAmount: _overflowAmount,\r\n overflowStyle: _overflowStyle,\r\n hasOverflow: _hasOverflow,\r\n padding: _padding,\r\n paddingAbsolute: _paddingAbsolute,\r\n destroyed,\r\n }\r\n );\r\n },\r\n elements() {\r\n const { _target, _host, _padding, _viewport, _content } = structureState._elements;\r\n return assignDeep(\r\n {},\r\n {\r\n target: _target,\r\n host: _host,\r\n padding: _padding || _viewport,\r\n viewport: _viewport,\r\n content: _content || _viewport,\r\n }\r\n );\r\n },\r\n update(force?: boolean) {\r\n update({}, force);\r\n return instance;\r\n },\r\n destroy: destroy.bind(0),\r\n };\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force: boolean) => {\r\n updateScrollbars(changedOptions, force, updateHints);\r\n });\r\n\r\n each(keys(plugins), (pluginName) => {\r\n const pluginInstance = plugins[pluginName];\r\n if (isFunction(pluginInstance)) {\r\n pluginInstance(OverlayScrollbars, instance);\r\n }\r\n });\r\n\r\n if (\r\n _nativeScrollbarIsOverlaid.x &&\r\n _nativeScrollbarIsOverlaid.y &&\r\n !currentOptions.nativeScrollbarsOverlaid.initialize\r\n ) {\r\n destroy(true);\r\n return instance;\r\n }\r\n\r\n structureState._appendElements();\r\n scrollbarsState._appendElements();\r\n\r\n addInstance(instanceTarget, instance);\r\n triggerEvent('initialized', [instance]);\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force) => {\r\n const {\r\n _sizeChanged,\r\n _directionChanged,\r\n _heightIntrinsicChanged,\r\n _overflowEdgeChanged,\r\n _overflowAmountChanged,\r\n _overflowStyleChanged,\r\n _contentMutation,\r\n _hostMutation,\r\n } = updateHints;\r\n\r\n triggerEvent('updated', [\r\n instance,\r\n {\r\n updateHints: {\r\n sizeChanged: _sizeChanged,\r\n directionChanged: _directionChanged,\r\n heightIntrinsicChanged: _heightIntrinsicChanged,\r\n overflowEdgeChanged: _overflowEdgeChanged,\r\n overflowAmountChanged: _overflowAmountChanged,\r\n overflowStyleChanged: _overflowStyleChanged,\r\n contentMutation: _contentMutation,\r\n hostMutation: _hostMutation,\r\n },\r\n changedOptions,\r\n force,\r\n },\r\n ]);\r\n });\r\n\r\n return instance.update(true);\r\n};\r\n\r\nOverlayScrollbars.plugin = addPlugin;\r\nOverlayScrollbars.env = () => {\r\n const {\r\n _nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding,\r\n _rtlScrollBehavior,\r\n _flexboxGlue,\r\n 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{ isArrayLike, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype RunEachItem = ((...args: any) => any | any[]) | null | undefined;\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each(\r\n array: Array | ReadonlyArray,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray;\r\nexport function each(\r\n array: Array | ReadonlyArray | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | false | null | undefined;\r\nexport function each(\r\n arrayLikeObject: ArrayLike,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike;\r\nexport function each(\r\n arrayLikeObject: ArrayLike | false | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | false | null | undefined;\r\nexport function each(\r\n obj: PlainObject,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject;\r\nexport function each(\r\n obj: PlainObject | false | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | false | null | undefined;\r\nexport function each(\r\n source: Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ArrayLike | ReadonlyArray | PlainObject | false | null | undefined {\r\n if (isArrayLike(source)) {\r\n for (let i = 0; i < source.length; i++) {\r\n if (callback(source[i], i, source) === false) {\r\n break;\r\n }\r\n }\r\n } else if (source) {\r\n each(Object.keys(source), (key) => callback(source[key], key, source));\r\n }\r\n return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = (arr: T[], item: T, fromIndex?: number): number =>\r\n arr.indexOf(item, fromIndex);\r\n\r\n/**\r\n * Pushesh all given items into the given array and returns it.\r\n * @param array The array the items shall be pushed into.\r\n * @param items The items which shall be pushed into the array.\r\n */\r\nexport const push = (array: T[], items: T | ArrayLike, arrayIsSingleItem?: boolean): T[] => {\r\n !arrayIsSingleItem && !isString(items) && isArrayLike(items)\r\n ? Array.prototype.push.apply(array, items as T[])\r\n : array.push(items as T);\r\n return array;\r\n};\r\n\r\n/**\r\n * Creates a shallow-copied Array instance from an array-like or iterable object.\r\n * @param arr The object from which the array instance shall be created.\r\n */\r\nexport const from = (arr?: ArrayLike | Set) => {\r\n const original = Array.from;\r\n const result: T[] = [];\r\n\r\n if (original && arr) {\r\n return original(arr);\r\n }\r\n\r\n if (arr instanceof Set) {\r\n arr.forEach((value) => {\r\n push(result, value);\r\n });\r\n } else {\r\n each(arr, (elm) => {\r\n push(result, elm);\r\n });\r\n }\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the passed array is empty.\r\n * @param array The array which shall be checked.\r\n */\r\nexport const isEmptyArray = (array: any[] | null | undefined): boolean =>\r\n !!array && array.length === 0;\r\n\r\n/**\r\n * Calls all functions in the passed array/set of functions.\r\n * @param arr The array filled with function which shall be called.\r\n * @param args The args with which each function is called.\r\n * @param keep True when the Set / array should not be cleared afterwards, false otherwise.\r\n */\r\nexport const runEachAndClear = (arr: RunEachItem[], args?: any[], keep?: boolean): void => {\r\n // eslint-disable-next-line prefer-spread\r\n const runFn = (fn: RunEachItem) => fn && fn.apply(undefined, args || []);\r\n each(arr, runFn);\r\n !keep && ((arr as any[]).length = 0);\r\n};\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray, isUndefined } from 'support/utils/types';\r\nimport { PlainObject, StyleObject } from 'typings';\r\n\r\nexport interface TRBL {\r\n t: number;\r\n r: number;\r\n b: number;\r\n l: number;\r\n}\r\n\r\nconst cssNumber = {\r\n // animationiterationcount: 1,\r\n // columncount: 1,\r\n // fillopacity: 1,\r\n // flexgrow: 1,\r\n // flexshrink: 1,\r\n // fontweight: 1,\r\n // lineheight: 1,\r\n // order: 1,\r\n // orphans: 1,\r\n // widows: 1,\r\n // zoom: 1,\r\n opacity: 1,\r\n zindex: 1,\r\n};\r\n\r\nconst parseToZeroOrNumber = (value: string, toFloat?: boolean): number => {\r\n /* istanbul ignore next */\r\n const num = toFloat ? parseFloat(value) : parseInt(value, 10);\r\n // num === num means num is not NaN\r\n /* istanbul ignore next */\r\n return num === num ? num : 0; // eslint-disable-line no-self-compare\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number =>\r\n !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;\r\n\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n /* istanbul ignore next */\r\n computedStyle != null\r\n ? computedStyle[prop] || computedStyle.getPropertyValue(prop)\r\n : elm.style[prop];\r\n\r\nconst setCSSVal = (\r\n elm: HTMLElement | false | null | undefined,\r\n prop: string,\r\n val: string | number\r\n): void => {\r\n try {\r\n if (elm) {\r\n const { style: elmStyle } = elm;\r\n if (!isUndefined(elmStyle[prop])) {\r\n elmStyle[prop] = adaptCSSVal(prop, val);\r\n } else {\r\n elmStyle.setProperty(prop, val as string);\r\n }\r\n }\r\n } catch (e) {}\r\n};\r\n\r\n/**\r\n * Gets or sets the passed styles to the passed element.\r\n * @param elm The element to which the styles shall be applied to / be read from.\r\n * @param styles The styles which shall be set or read.\r\n */\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject\r\n): void;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: string\r\n): string;\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: Array | string\r\n): { [key: string]: string };\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject | Array | string\r\n): { [key: string]: string } | string | void {\r\n const getSingleStyle = isString(styles);\r\n const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n if (getStyles) {\r\n let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n if (elm) {\r\n const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n getStylesResult = getSingleStyle\r\n ? getCSSVal(elm, computedStyle, styles as string)\r\n : (styles as Array).reduce((result, key) => {\r\n result[key] = getCSSVal(elm, computedStyle, key as string);\r\n return result;\r\n }, getStylesResult);\r\n }\r\n return getStylesResult;\r\n }\r\n each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\n/**\r\n * Hides the passed element (display: none).\r\n * @param elm The element which shall be hidden.\r\n */\r\nexport const hide = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'none' });\r\n};\r\n\r\n/**\r\n * Shows the passed element (display: block).\r\n * @param elm The element which shall be shown.\r\n */\r\nexport const show = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'block' });\r\n};\r\n\r\n/**\r\n * Returns the top right bottom left values of the passed css property.\r\n * @param elm The element of which the values shall be returned.\r\n * @param propertyPrefix The css property prefix. (e.g. \"border\")\r\n * @param propertySuffix The css property suffix. (e.g. \"width\")\r\n */\r\nexport const topRightBottomLeft = (\r\n elm?: HTMLElement | false | null | undefined,\r\n propertyPrefix?: string,\r\n propertySuffix?: string\r\n): TRBL => {\r\n const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : '';\r\n const finalSuffix = propertySuffix ? `-${propertySuffix}` : '';\r\n const top = `${finalPrefix}top${finalSuffix}`;\r\n const right = `${finalPrefix}right${finalSuffix}`;\r\n const bottom = `${finalPrefix}bottom${finalSuffix}`;\r\n const left = `${finalPrefix}left${finalSuffix}`;\r\n const result = style(elm, [top, right, bottom, left]);\r\n return {\r\n t: parseToZeroOrNumber(result[top]),\r\n r: parseToZeroOrNumber(result[right]),\r\n b: parseToZeroOrNumber(result[bottom]),\r\n l: parseToZeroOrNumber(result[left]),\r\n };\r\n};\r\n","export interface CacheOptions {\r\n // initial value of _value.\r\n _initialValue: Value;\r\n // Custom comparison function if shallow compare isn't enough. Returns true if nothing changed.\r\n _equal?: EqualCachePropFunction;\r\n // If true always updates _value and _previous, otherwise they update only when they changed.\r\n _alwaysUpdateValues?: boolean;\r\n}\r\n\r\nexport type CacheValues = [value: T, changed: boolean, previous?: T];\r\n\r\nexport type EqualCachePropFunction = (currentVal: Value, newVal: Value) => boolean;\r\n\r\nexport type CacheUpdater = (current: Value, previous?: Value) => Value;\r\n\r\nexport type UpdateCacheContextual = (newValue: Value, force?: boolean) => CacheValues;\r\n\r\nexport type UpdateCache = (force?: boolean) => CacheValues;\r\n\r\nexport type GetCurrentCache = (force?: boolean) => CacheValues;\r\n\r\nexport type Cache = [UpdateCache, GetCurrentCache];\r\n\r\nexport type CacheContextual = [UpdateCacheContextual, GetCurrentCache];\r\n\r\ntype CreateCache = {\r\n (options: CacheOptions): CacheContextual;\r\n (options: CacheOptions, update: CacheUpdater): Cache;\r\n (options: CacheOptions, update?: CacheUpdater):\r\n | CacheContextual\r\n | Cache;\r\n};\r\n\r\nexport const createCache: CreateCache = (\r\n options: CacheOptions,\r\n update?: CacheUpdater\r\n): CacheContextual | Cache => {\r\n const { _initialValue, _equal, _alwaysUpdateValues } = options;\r\n let _value: Value = _initialValue;\r\n let _previous: Value | undefined;\r\n\r\n const cacheUpdateContextual: UpdateCacheContextual = (newValue, force?) => {\r\n const curr = _value;\r\n\r\n const newVal = newValue;\r\n const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);\r\n\r\n if (changed || _alwaysUpdateValues) {\r\n _value = newVal;\r\n _previous = curr;\r\n }\r\n\r\n return [_value, changed, _previous];\r\n };\r\n const cacheUpdateIsolated: UpdateCache = (force?) =>\r\n cacheUpdateContextual(update!(_value, _previous), force);\r\n\r\n const getCurrentCache: GetCurrentCache = (force?: boolean) => [\r\n _value,\r\n !!force, // changed\r\n _previous,\r\n ];\r\n\r\n return [update ? cacheUpdateIsolated : cacheUpdateContextual, getCurrentCache] as\r\n | CacheContextual\r\n | Cache;\r\n};\r\n","import { PlainObject } from 'typings';\r\n\r\nconst ElementNodeType = Node.ELEMENT_NODE;\r\nconst { toString, hasOwnProperty } = Object.prototype;\r\n\r\nexport const isUndefined = (obj: any): obj is undefined => obj === undefined;\r\n\r\nexport const isNull = (obj: any): obj is null => obj === null;\r\n\r\nexport const type = (obj: any): string =>\r\n isUndefined(obj) || isNull(obj)\r\n ? `${obj}`\r\n : toString\r\n .call(obj)\r\n .replace(/^\\[object (.+)\\]$/, '$1')\r\n .toLowerCase();\r\n\r\nexport const isNumber = (obj: any): obj is number => typeof obj === 'number';\r\n\r\nexport const isString = (obj: any): obj is string => typeof obj === 'string';\r\n\r\nexport const isBoolean = (obj: any): obj is boolean => typeof obj === 'boolean';\r\n\r\nexport const isFunction = (obj: any): obj is (...args: any[]) => any => typeof obj === 'function';\r\n\r\nexport const isArray = (obj: any): obj is Array => Array.isArray(obj);\r\n\r\nexport const isObject = (obj: any): boolean =>\r\n typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport const isArrayLike = (obj: any): obj is ArrayLike => {\r\n const length = !!obj && obj.length;\r\n const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0; // eslint-disable-line eqeqeq\r\n\r\n return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat)\r\n ? length > 0 && isObject(obj)\r\n ? length - 1 in obj\r\n : true\r\n : false;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isPlainObject = (obj: any): obj is PlainObject => {\r\n if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n let key;\r\n const cstr = 'constructor';\r\n const ctor = obj[cstr];\r\n const ctorProto = ctor && ctor.prototype;\r\n const hasOwnConstructor = hasOwnProperty.call(obj, cstr);\r\n const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');\r\n\r\n if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n return false;\r\n }\r\n\r\n /* eslint-disable no-restricted-syntax */\r\n for (key in obj) {\r\n /**/\r\n }\r\n /* eslint-enable */\r\n\r\n return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isHTMLElement = (obj: any): obj is HTMLElement => {\r\n const instanceofObj = HTMLElement;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n\r\n/**\r\n * Checks whether the given object is a Element.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport const isElement = (obj: any): obj is Element => {\r\n const instanceofObj = Element;\r\n return obj\r\n ? instanceofObj\r\n ? obj instanceof instanceofObj\r\n : obj.nodeType === ElementNodeType\r\n : false;\r\n};\r\n","import { isArray, isFunction, isPlainObject, isNull } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\n\r\n/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array => (obj ? Object.keys(obj) : []);\r\n\r\ntype AssignDeep = {\r\n (target: T, object1: U): T & U;\r\n (target: T, object1: U, object2: V): T & U & V;\r\n (target: T, object1: U, object2: V, object3: W): T & U & V & W;\r\n (target: T, object1: U, object2: V, object3: W, object4: X): T & U & V & W & X;\r\n (target: T, object1: U, object2: V, object3: W, object4: X, object5: Y): T &\r\n U &\r\n V &\r\n W &\r\n X &\r\n Y;\r\n (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n ): T & U & V & W & X & Y & Z;\r\n};\r\n\r\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport const assignDeep: AssignDeep = (\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n): T & U & V & W & X & Y & Z => {\r\n const sources: Array = [object1, object2, object3, object4, object5, object6];\r\n\r\n // Handle case when target is a string or something (possible in deep copy)\r\n if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {\r\n target = {} as T;\r\n }\r\n\r\n each(sources, (source) => {\r\n // Extend the base object\r\n each(keys(source), (key) => {\r\n const copy: any = source[key];\r\n\r\n // Prevent Object.prototype pollution\r\n // Prevent never-ending loop\r\n if (target === copy) {\r\n return true;\r\n }\r\n\r\n const copyIsArray = isArray(copy);\r\n\r\n // Recurse if we're merging plain objects or arrays\r\n if (copy && (isPlainObject(copy) || copyIsArray)) {\r\n const src = target[key];\r\n let clone: any = src;\r\n\r\n // Ensure proper type for the source value\r\n if (copyIsArray && !isArray(src)) {\r\n clone = [];\r\n } else if (!copyIsArray && !isPlainObject(src)) {\r\n clone = {};\r\n }\r\n\r\n // Never move original objects, clone them\r\n target[key] = assignDeep(clone, copy) as any;\r\n } else {\r\n target[key] = copy;\r\n }\r\n });\r\n });\r\n\r\n // Return the modified object\r\n return target as any;\r\n};\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport const isEmptyObject = (obj: any): boolean => {\r\n /* eslint-disable no-restricted-syntax, guard-for-in */\r\n for (const name in obj) return false;\r\n return true;\r\n /* eslint-enable */\r\n};\r\n","import { from } from 'support/utils/array';\r\nimport { isNull, isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\ntype Attr = {\r\n (elm: HTMLElement | false | null | undefined, attrName: string): string | null;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value: string): void;\r\n (elm: HTMLElement | false | null | undefined, attrName: string, value?: string):\r\n | string\r\n | null\r\n | void;\r\n};\r\n\r\ntype GetSetProp = {\r\n (elm: HTMLElement | false | null | undefined): T;\r\n (elm: HTMLElement | false | null | undefined, value: T | false | null): void;\r\n (elm: HTMLElement | false | null | undefined, value?: T | false | null): T | void;\r\n};\r\n\r\nconst getSetProp = (\r\n topLeft: GetSetPropName,\r\n fallback: number | string,\r\n elm: HTMLElement | HTMLInputElement | false | null | undefined,\r\n value?: number | string | false | null\r\n): number | string | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm[topLeft] : fallback;\r\n }\r\n elm && !isNull(value) && value !== false && (elm[topLeft] = value);\r\n};\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport const attr = ((\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value?: string\r\n): string | null | void => {\r\n if (isUndefined(value)) {\r\n return elm ? elm.getAttribute(attrName) : null;\r\n }\r\n elm && elm.setAttribute(attrName, value);\r\n}) as Attr;\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and adds or removes the given value from it.\r\n * @param elm The element.\r\n * @param attrName The attributeName to which the value shall be added or removed.\r\n * @param value The value which shall be added or removed.\r\n * @param add True if the value shall be added, false otherwise.\r\n */\r\nexport const attrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string,\r\n add?: boolean\r\n) => {\r\n if (value) {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n currValuesSet[add ? 'add' : 'delete'](value);\r\n\r\n attr(elm, attrName, from(currValuesSet).join(' ').trim());\r\n }\r\n};\r\n\r\n/**\r\n * Treats the given attribute like the \"class\" attribute and checks if the given value is in it.\r\n * @param elm The element.\r\n * @param attrName The attributeName from which the content shall be checked.\r\n * @param value The value.\r\n * @returns True if the given attribute has the value in it, false otherwise.\r\n */\r\nexport const hasAttrClass = (\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string\r\n) => {\r\n const currValues = attr(elm, attrName) || '';\r\n const currValuesSet = new Set(currValues.split(' '));\r\n return currValuesSet.has(value);\r\n};\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | false | null | undefined, attrName: string): void => {\r\n elm && elm.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport const scrollLeft = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number | false | null\r\n): number | void => getSetProp('scrollLeft', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport const scrollTop = ((\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number | false | null\r\n): number | void => getSetProp('scrollTop', 0, elm, value) as number) as GetSetProp;\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport const val = ((\r\n elm: HTMLInputElement | false | null | undefined,\r\n value?: string\r\n): string | void => getSetProp('value', '', elm, value) as string) as GetSetProp;\r\n","import { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Node | Element | Node | false | null | undefined;\r\ntype OutputElementType = Node | Element | null;\r\n\r\nconst elmPrototype = Element.prototype;\r\n\r\n/**\r\n * Find all elements with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst find = (selector: string, elm?: InputElementType): Element[] => {\r\n const arr: Array = [];\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;\r\n};\r\n\r\n/**\r\n * Find the first element with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst findFirst = (selector: string, elm?: InputElementType): OutputElementType => {\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? rootElm.querySelector(selector) : null;\r\n};\r\n\r\n/**\r\n * Determines whether the passed element is matching with the passed selector.\r\n * @param elm The element which has to be compared with the passed selector.\r\n * @param selector The selector which has to be compared with the passed element. Additional selectors: ':visible' and ':hidden'.\r\n */\r\nconst is = (elm: InputElementType, selector: string): boolean => {\r\n if (isElement(elm)) {\r\n /* istanbul ignore next */\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const fn: (...args: any) => boolean = elmPrototype.matches || elmPrototype.msMatchesSelector;\r\n return fn.call(elm, selector);\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Returns the children (no text-nodes or comments) of the passed element which are matching the passed selector. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the children shall be returned.\r\n * @param selector The selector which must match with the children elements.\r\n */\r\nconst children = (elm: InputElementType, selector?: string): ReadonlyArray => {\r\n const childs: Array = [];\r\n\r\n return isElement(elm)\r\n ? push(\r\n childs,\r\n from(elm.children).filter((child) => (selector ? is(child, selector) : child))\r\n )\r\n : childs;\r\n};\r\n\r\n/**\r\n * Returns the childNodes (incl. text-nodes or comments etc.) of the passed element. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the childNodes shall be returned.\r\n */\r\nconst contents = (elm: InputElementType): ReadonlyArray =>\r\n elm ? from(elm.childNodes) : [];\r\n\r\n/**\r\n * Returns the parent element of the passed element, or null if the passed element is null.\r\n * @param elm The element of which the parent element shall be returned.\r\n */\r\nconst parent = (elm: InputElementType): OutputElementType => (elm ? elm.parentElement : null);\r\n\r\nconst closest = (elm: InputElementType, selector: string): OutputElementType => {\r\n if (isElement(elm)) {\r\n const closestFn = elmPrototype.closest;\r\n if (closestFn) {\r\n return closestFn.call(elm, selector);\r\n }\r\n\r\n do {\r\n if (is(elm, selector)) {\r\n return elm as Element;\r\n }\r\n elm = parent(elm);\r\n } while (elm);\r\n }\r\n\r\n return null;\r\n};\r\n\r\n/**\r\n * Determines whether the given element lies between two selectors in the DOM.\r\n * @param elm The element.\r\n * @param highBoundarySelector The high boundary selector.\r\n * @param deepBoundarySelector The deep boundary selector.\r\n */\r\nconst liesBetween = (\r\n elm: InputElementType,\r\n highBoundarySelector: string,\r\n deepBoundarySelector: string\r\n): boolean => {\r\n const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);\r\n const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);\r\n\r\n return closestHighBoundaryElm && closestDeepBoundaryElm\r\n ? closestHighBoundaryElm === elm ||\r\n closestDeepBoundaryElm === elm ||\r\n closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm\r\n : false;\r\n};\r\n\r\nexport { find, findFirst, is, children, contents, parent, liesBetween, closest };\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike | Node | false | null | undefined;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (\r\n parentElm: Node | false | null | undefined,\r\n preferredAnchor: Node | false | null | undefined,\r\n insertedElms: NodeCollection\r\n): void => {\r\n if (insertedElms) {\r\n let anchor: Node | false | null | undefined = preferredAnchor;\r\n let fragment: DocumentFragment | Node | null | undefined;\r\n\r\n // parent must be defined\r\n if (parentElm) {\r\n if (isArrayLike(insertedElms)) {\r\n fragment = document.createDocumentFragment();\r\n\r\n // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n each(insertedElms, (insertedElm) => {\r\n if (insertedElm === anchor) {\r\n anchor = insertedElm.previousSibling;\r\n }\r\n fragment!.appendChild(insertedElm);\r\n });\r\n } else {\r\n fragment = insertedElms;\r\n }\r\n\r\n // if the preferred anchor isn't null set it to a valid anchor\r\n if (preferredAnchor) {\r\n if (!anchor) {\r\n anchor = parentElm.firstChild;\r\n } else if (anchor !== preferredAnchor) {\r\n anchor = anchor.nextSibling;\r\n }\r\n }\r\n\r\n parentElm.insertBefore(fragment, anchor || null);\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (\r\n node: Node | false | null | undefined,\r\n children: NodeCollection\r\n): void => {\r\n before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (\r\n node: Node | false | null | undefined,\r\n insertedNodes: NodeCollection\r\n): void => {\r\n before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n if (isArrayLike(nodes)) {\r\n each(from(nodes), (e) => removeElements(e));\r\n } else if (nodes) {\r\n const parentElm = parent(nodes);\r\n if (parentElm) {\r\n parentElm.removeChild(nodes);\r\n }\r\n }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { attr } from 'support/dom/attribute';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\n/**\r\n * Creates a div DOM node.\r\n */\r\nexport const createDiv = (classNames?: string): HTMLDivElement => {\r\n const div = document.createElement('div');\r\n if (classNames) {\r\n attr(div, 'class', classNames);\r\n }\r\n return div;\r\n};\r\n\r\n/**\r\n * Creates DOM nodes modeled after the passed html string and returns the root dom nodes as a array.\r\n * @param html The html string after which the DOM nodes shall be created.\r\n */\r\nexport const createDOM = (html: string): ReadonlyArray => {\r\n const createdDiv = createDiv();\r\n createdDiv.innerHTML = html.trim();\r\n\r\n return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { hasOwnProperty } from 'support/utils/object';\r\nimport { createDiv } from 'support/dom/create';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray = [\r\n 'WebKit',\r\n 'Moz',\r\n 'O',\r\n 'MS',\r\n 'webkit',\r\n 'moz',\r\n 'o',\r\n 'ms',\r\n];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without it, or and empty string if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string => {\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const uppercasedName: string = firstLetterToUpper(name);\r\n const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n each(cssPrefixes, (prefix: string) => {\r\n const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n const resultPossibilities: Array = [\r\n name, // transition\r\n prefix + name, // -webkit-transition\r\n prefixWithoutDashes + uppercasedName, // webkitTransition\r\n firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n ];\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return !(result = resultPossibilities.find(\r\n (resultPossibility: string) => elmStyle[resultPossibility] !== undefined\r\n ));\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported without it, or an empty string if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string => {\r\n const name = `${property} ${values}`;\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n const possbleValues: Array = values.split(' ');\r\n const preparedSuffix: string = suffix || '';\r\n const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n each(possbleValues, (possibleValue: string) => {\r\n each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n const prop = prefix + possibleValue;\r\n dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n if (dummyStyle.length) {\r\n result = prop;\r\n return false;\r\n }\r\n });\r\n return !result;\r\n });\r\n\r\n // eslint-disable-next-line no-return-assign\r\n return (cssCache[name] = result || '');\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): T | undefined => {\r\n let result: any = jsCache[name] || window[name];\r\n\r\n if (hasOwnProperty(jsCache, name)) {\r\n return result;\r\n }\r\n\r\n each(jsPrefixes, (prefix: string) => {\r\n result = result || window[prefix + firstLetterToUpper(name)];\r\n return !result;\r\n });\r\n\r\n jsCache[name] = result;\r\n return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const MutationObserverConstructor = jsAPI('MutationObserver');\r\nexport const IntersectionObserverConstructor =\r\n jsAPI('IntersectionObserver');\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\r\nexport const setT = window.setTimeout as (handler: TimerHandler, timeout?: number) => number;\r\nexport const clearT = window.clearTimeout as (id?: number) => void;\r\n","import { isString } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { keys } from 'support/utils/object';\r\n\r\ntype ClassContainingElement = Node | Element | false | null | undefined;\r\ntype ClassName = string | false | null | undefined;\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: ClassContainingElement,\r\n className: ClassName,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): boolean => {\r\n const classList = elm && (elm as Element).classList;\r\n let clazz: string;\r\n let i = 0;\r\n let result = false;\r\n\r\n if (classList && className && isString(className)) {\r\n const classes: Array = className.match(rnothtmlwhite) || [];\r\n result = classes.length > 0;\r\n while ((clazz = classes[i++])) {\r\n result = !!action(classList, clazz) && result;\r\n }\r\n }\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: ClassContainingElement, className: ClassName): boolean =>\r\n classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: ClassContainingElement, className: ClassName): void => {\r\n classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n * @returns A function which removes the added class name(s).\r\n */\r\nexport const addClass = (elm: ClassContainingElement, className: ClassName): (() => void) => {\r\n classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n return removeClass.bind(0, elm, className);\r\n};\r\n\r\n/**\r\n * Takes two className strings, compares them and returns the difference as array.\r\n * @param classNameA ClassName A.\r\n * @param classNameB ClassName B.\r\n */\r\nexport const diffClass = (classNameA: ClassName, classNameB: ClassName) => {\r\n const classNameASplit = classNameA && classNameA.split(' ');\r\n const classNameBSplit = classNameB && classNameB.split(' ');\r\n const tempObj = {};\r\n\r\n each(classNameASplit, (className) => {\r\n tempObj[className] = 1;\r\n });\r\n each(classNameBSplit, (className) => {\r\n if (tempObj[className]) {\r\n delete tempObj[className];\r\n } else {\r\n tempObj[className] = 1;\r\n }\r\n });\r\n\r\n return keys(tempObj);\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { WH, XY, TRBL } from 'support/dom';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Compares two objects and returns true if all values of the passed prop names are identical, false otherwise or if one of the two object is falsy.\r\n * @param a Object a.\r\n * @param b Object b.\r\n * @param props The props which shall be compared.\r\n */\r\nexport const equal = (\r\n a: T | undefined,\r\n b: T | undefined,\r\n props: Array,\r\n propMutation?: ((value: any) => any) | null | false\r\n): boolean => {\r\n if (a && b) {\r\n let result = true;\r\n each(props, (prop) => {\r\n const compareA = propMutation ? propMutation(a[prop]) : a[prop];\r\n const compareB = propMutation ? propMutation(b[prop]) : b[prop];\r\n if (compareA !== compareB) {\r\n result = false;\r\n }\r\n });\r\n return result;\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalWH = (a?: WH, b?: WH) => equal>(a, b, ['w', 'h']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalXY = (a?: XY, b?: XY) => equal>(a, b, ['x', 'y']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalTRBL = (a?: TRBL, b?: TRBL) => equal(a, b, ['t', 'r', 'b', 'l']);\r\n\r\n/**\r\n * Compares two DOM Rects for their equality of their width and height properties\r\n * Also returns false if one of the DOM Rects is undefined or null.\r\n * @param a DOM Rect a.\r\n * @param b DOM Rect b.\r\n * @param round Whether the values should be rounded.\r\n */\r\nexport const equalBCRWH = (a?: DOMRect, b?: DOMRect, round?: boolean) =>\r\n equal(a, b, ['width', 'height'], round && ((value) => Math.round(value)));\r\n","import { isNumber, isFunction } from 'support/utils/types';\r\nimport { from } from 'support/utils/array';\r\nimport { rAF, cAF, setT, clearT } from 'support/compatibility/apis';\r\n\r\ntype DebounceTiming = number | false | null | undefined;\r\n\r\nexport interface DebounceOptions any> {\r\n /**\r\n * The timeout for debouncing. If null, no debounce is applied.\r\n */\r\n _timeout?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * A maximum amount of ms. before the function will be called even with debounce.\r\n */\r\n _maxDelay?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * Function which merges parameters for each canceled debounce.\r\n * If parameters can't be merged the function will return null, otherwise it returns the merged parameters.\r\n */\r\n _mergeParams?: (\r\n prev: Parameters,\r\n curr: Parameters\r\n ) => Parameters | false | null | undefined;\r\n}\r\n\r\nexport interface Debounced any> {\r\n (...args: Parameters): ReturnType;\r\n _flush(): void;\r\n}\r\n\r\nexport const noop = () => {}; // eslint-disable-line\r\n\r\n/**\r\n * Debounces the given function either with a timeout or a animation frame.\r\n * @param functionToDebounce The function which shall be debounced.\r\n * @param options Options for debouncing.\r\n */\r\nexport const debounce = any>(\r\n functionToDebounce: FunctionToDebounce,\r\n options?: DebounceOptions\r\n): Debounced => {\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n let clear: () => void = noop;\r\n const { _timeout, _maxDelay, _mergeParams } = options || {};\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clear();\r\n clearT(maxTimeoutId);\r\n maxTimeoutId = prevArguments = undefined;\r\n clear = noop;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n functionToDebounce.apply(this, args);\r\n };\r\n\r\n const mergeParms = (\r\n curr: Parameters\r\n ): Parameters | false | null | undefined =>\r\n _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;\r\n\r\n const flush = () => {\r\n /* istanbul ignore next */\r\n if (clear !== noop) {\r\n invokeFunctionToDebounce(mergeParms(latestArguments!) || latestArguments!);\r\n }\r\n };\r\n\r\n const debouncedFn = function () {\r\n // eslint-disable-next-line prefer-rest-params\r\n const args: Parameters = from(arguments) as Parameters;\r\n const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;\r\n const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;\r\n\r\n if (hasTimeout) {\r\n const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;\r\n const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;\r\n const setTimeoutFn = finalTimeout > 0 ? setT : rAF!;\r\n const clearTimeoutFn = finalTimeout > 0 ? clearT : cAF!;\r\n const mergeParamsResult = mergeParms(args);\r\n const invokedArgs = mergeParamsResult || args;\r\n const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);\r\n\r\n // if (!mergeParamsResult) {\r\n // invokeFunctionToDebounce(prevArguments || args);\r\n // }\r\n\r\n clear();\r\n // @ts-ignore\r\n const timeoutId = setTimeoutFn(boundInvoke, finalTimeout);\r\n clear = () => clearTimeoutFn(timeoutId);\r\n\r\n if (hasMaxWait && !maxTimeoutId) {\r\n maxTimeoutId = setT(flush, finalMaxWait as number);\r\n }\r\n\r\n prevArguments = latestArguments = invokedArgs;\r\n } else {\r\n invokeFunctionToDebounce(args);\r\n }\r\n };\r\n debouncedFn._flush = flush;\r\n\r\n return debouncedFn as Debounced;\r\n};\r\n","import { style } from 'support/dom/style';\r\n\r\nexport interface WH {\r\n w: T;\r\n h: T;\r\n}\r\n\r\nconst elementHasDimensions = (elm: HTMLElement): boolean =>\r\n !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\nconst zeroObj: WH = {\r\n w: 0,\r\n h: 0,\r\n};\r\n\r\n/**\r\n * Returns the window inner- width and height.\r\n */\r\nexport const windowSize = (): WH => ({\r\n w: window.innerWidth,\r\n h: window.innerHeight,\r\n});\r\n\r\n/**\r\n * Returns the scroll- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the scroll- width and height shall be returned.\r\n */\r\nexport const offsetSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.offsetWidth,\r\n h: elm.offsetHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const clientSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.clientWidth,\r\n h: elm.clientHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const scrollSize = (elm: HTMLElement | false | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.scrollWidth,\r\n h: elm.scrollHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the fractional- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the fractional- width and height shall be returned.\r\n */\r\nexport const fractionalSize = (elm: HTMLElement | false | null | undefined): WH => {\r\n const cssHeight = parseFloat(style(elm, 'height')) || 0;\r\n const cssWidth = parseFloat(style(elm, 'height')) || 0;\r\n return {\r\n w: cssWidth - Math.round(cssWidth),\r\n h: cssHeight - Math.round(cssHeight),\r\n };\r\n};\r\n\r\n/**\r\n * Returns the BoundingClientRect of the passed element.\r\n * @param elm The element of which the BoundingClientRect shall be returned.\r\n */\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n\r\n/**\r\n * Determines whether the passed element has any dimensions.\r\n * @param elm The element.\r\n */\r\nexport const hasDimensions = (elm: HTMLElement | false | null | undefined): boolean =>\r\n elm ? elementHasDimensions(elm as HTMLElement) : false;\r\n","import { isUndefined } from 'support/utils/types';\r\nimport { each, push, runEachAndClear } from 'support/utils/array';\r\n\r\nlet passiveEventsSupport: boolean;\r\nconst supportPassiveEvents = (): boolean => {\r\n if (isUndefined(passiveEventsSupport)) {\r\n passiveEventsSupport = false;\r\n try {\r\n /* eslint-disable */\r\n // @ts-ignore\r\n window.addEventListener(\r\n 'test',\r\n null,\r\n Object.defineProperty({}, 'passive', {\r\n get() {\r\n passiveEventsSupport = true;\r\n },\r\n })\r\n );\r\n /* eslint-enable */\r\n } catch (e) {}\r\n }\r\n return passiveEventsSupport;\r\n};\r\nconst splitEventNames = (eventNames: string) => eventNames.split(' ');\r\n\r\nexport interface OnOptions {\r\n _capture?: boolean;\r\n _passive?: boolean;\r\n _once?: boolean;\r\n}\r\n\r\n/**\r\n * Removes the passed event listener for the passed events with the passed options.\r\n * @param target The element from which the listener shall be removed.\r\n * @param eventNames The eventsnames for which the listener shall be removed.\r\n * @param listener The listener which shall be removed.\r\n * @param capture The options of the removed listener.\r\n */\r\nexport const off = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n capture?: boolean\r\n): void => {\r\n each(splitEventNames(eventNames), (eventName) => {\r\n target.removeEventListener(eventName, listener as EventListener, capture);\r\n });\r\n};\r\n\r\n/**\r\n * Adds the passed event listener for the passed eventnames with the passed options.\r\n * @param target The element to which the listener shall be added.\r\n * @param eventNames The eventsnames for which the listener shall be called.\r\n * @param listener The listener which is called on the eventnames.\r\n * @param options The options of the added listener.\r\n */\r\nexport const on = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n options?: OnOptions\r\n): (() => void) => {\r\n const doSupportPassiveEvents = supportPassiveEvents();\r\n const passive = (doSupportPassiveEvents && options && options._passive) ?? doSupportPassiveEvents;\r\n const capture = (options && options._capture) || false;\r\n const once = (options && options._once) || false;\r\n const offListeners: (() => void)[] = [];\r\n const nativeOptions: AddEventListenerOptions | boolean = doSupportPassiveEvents\r\n ? {\r\n passive,\r\n capture,\r\n }\r\n : capture;\r\n\r\n each(splitEventNames(eventNames), (eventName) => {\r\n const finalListener = (\r\n once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener\r\n ) as EventListener;\r\n\r\n push(offListeners, off.bind(null, target, eventName, finalListener, capture));\r\n target.addEventListener(eventName, finalListener, nativeOptions);\r\n });\r\n\r\n return runEachAndClear.bind(0, offListeners);\r\n};\r\n\r\n/**\r\n * Shorthand for the stopPropagation event Method.\r\n * @param evt The event of which the stopPropagation method shall be called.\r\n */\r\nexport const stopPropagation = (evt: Event): void => evt.stopPropagation();\r\n\r\n/**\r\n * Shorthand for the preventDefault event Method.\r\n * @param evt The event of which the preventDefault method shall be called.\r\n */\r\nexport const preventDefault = (evt: Event): void => evt.preventDefault();\r\n\r\n/**\r\n * Shorthand for the stopPropagation and preventDefault event Method.\r\n * @param evt The event of which the stopPropagation and preventDefault methods shall be called.\r\n */\r\nexport const stopAndPrevent = (evt: Event): void =>\r\n (stopPropagation(evt) as undefined) || (preventDefault(evt) as undefined);\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\n\r\nexport interface XY {\r\n x: T;\r\n y: T;\r\n}\r\n\r\nconst zeroObj: XY = {\r\n x: 0,\r\n y: 0,\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element relative to the document. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const absoluteCoordinates = (elm: HTMLElement | null | undefined): XY => {\r\n const rect = elm ? getBoundingClientRect(elm) : 0;\r\n return rect\r\n ? {\r\n x: rect.left + window.pageYOffset,\r\n y: rect.top + window.pageXOffset,\r\n }\r\n : zeroObj;\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const offsetCoordinates = (elm: HTMLElement | null | undefined): XY =>\r\n elm\r\n ? {\r\n x: elm.offsetLeft,\r\n y: elm.offsetTop,\r\n }\r\n : zeroObj;\r\n","import { isArray } from 'support/utils/types';\r\nimport { keys } from 'support/utils/object';\r\nimport { each, from, isEmptyArray } from 'support/utils/array';\r\n\r\nexport type EventListener<\r\n EventMap extends Record,\r\n Name extends keyof EventMap = keyof EventMap\r\n> = (...args: EventMap[Name]) => void;\r\n\r\nexport type InitialEventListeners> = {\r\n [K in keyof EventMap]?: EventListener | EventListener[];\r\n};\r\n\r\nconst manageListener = >(\r\n callback: (listener?: EventListener) => void,\r\n listener?: EventListener | EventListener[]\r\n) => {\r\n each(isArray(listener) ? listener : [listener], callback);\r\n};\r\n\r\nexport const createEventListenerHub = >(\r\n initialEventListeners?: InitialEventListeners\r\n) => {\r\n type EventListener = (\r\n ...args: EventMap[Name]\r\n ) => void;\r\n type RemoveEvent = {\r\n (name?: Name, listener?: EventListener): void;\r\n (name?: Name, listener?: EventListener[]): void;\r\n (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void;\r\n };\r\n type AddEvent = {\r\n (name: Name, listener: EventListener): () => void;\r\n (name: Name, listener: EventListener[]): () => void;\r\n (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): () => void;\r\n };\r\n type TriggerEvent = {\r\n (name: Name, args?: EventMap[Name]): void;\r\n };\r\n\r\n const events = new Map>();\r\n\r\n const removeEvent: RemoveEvent = (\r\n name?: Name,\r\n listener?: EventListener | EventListener[]\r\n ): void => {\r\n if (name) {\r\n const eventSet = events.get(name);\r\n manageListener((currListener) => {\r\n if (eventSet) {\r\n eventSet[currListener ? 'delete' : 'clear'](currListener!);\r\n }\r\n }, listener as any);\r\n } else {\r\n events.forEach((eventSet) => {\r\n eventSet.clear();\r\n });\r\n events.clear();\r\n }\r\n };\r\n\r\n const addEvent: AddEvent = (\r\n name: Name,\r\n listener: EventListener | EventListener[]\r\n ): (() => void) => {\r\n const eventSet = events.get(name) || new Set();\r\n events.set(name, eventSet);\r\n\r\n manageListener((currListener) => {\r\n currListener && eventSet.add(currListener);\r\n }, listener as any);\r\n\r\n return removeEvent.bind(0, name as any, listener as any);\r\n };\r\n\r\n const triggerEvent: TriggerEvent = (\r\n name: Name,\r\n args?: EventMap[Name]\r\n ): void => {\r\n const eventSet = events.get(name);\r\n\r\n each(from(eventSet), (event) => {\r\n if (args && !isEmptyArray(args)) {\r\n (event as (...args: EventMap[keyof EventMap]) => void).apply(0, args as any);\r\n } else {\r\n (event as () => void)();\r\n }\r\n });\r\n };\r\n\r\n const initialListenerKeys = keys(initialEventListeners) as Extract[];\r\n each(initialListenerKeys, (key) => {\r\n addEvent(key, initialEventListeners![key] as any);\r\n });\r\n\r\n return [addEvent, removeEvent, triggerEvent] as [AddEvent, RemoveEvent, TriggerEvent];\r\n};\r\n","import { assignDeep, hasOwnProperty } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { PartialOptions } from 'typings';\r\n\r\nexport type SetupElements> = [elements: T, destroy: () => void];\r\n\r\nexport type SetupUpdate = (\r\n changedOptions: PartialOptions,\r\n force: boolean,\r\n ...args: T\r\n) => void;\r\n\r\nexport type SetupUpdateCheckOption = (path: string) => [value: T, changed: boolean];\r\n\r\nexport type SetupUpdateSegment> = (\r\n updateHints: Hints,\r\n checkOption: SetupUpdateCheckOption,\r\n force: boolean\r\n) => Partial | void;\r\n\r\nexport type SetupState> = [\r\n get: () => T,\r\n set: (newState: Partial) => void\r\n];\r\n\r\nexport type Setup<\r\n DynamicState,\r\n StaticState extends Record = Record,\r\n A extends any[] = []\r\n> = [update: SetupUpdate, state: (() => DynamicState) & StaticState, destroy: () => void];\r\n\r\nconst getPropByPath = (obj: any, path: string): T =>\r\n obj\r\n ? path.split('.').reduce((o, prop) => (o && hasOwnProperty(o, prop) ? o[prop] : undefined), obj)\r\n : undefined;\r\n\r\nexport const createOptionCheck =\r\n (\r\n options: ReadonlyOSOptions,\r\n changedOptions: PartialOptions,\r\n force?: boolean\r\n ): SetupUpdateCheckOption =>\r\n (path: string) =>\r\n [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== undefined];\r\n\r\nexport const createState = (initialState: S): SetupState => {\r\n let state: S = initialState;\r\n return [\r\n () => state,\r\n (newState: Partial) => {\r\n state = assignDeep({}, state, newState);\r\n },\r\n ];\r\n};\r\n","export const classNameEnvironment = 'os-environment';\r\nexport const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;\r\nexport const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;\r\n\r\nexport const dataAttributeHost = 'data-overlayscrollbars';\r\nexport const dataAttributeHostOverflowX = `${dataAttributeHost}-overflow-x`;\r\nexport const dataAttributeHostOverflowY = `${dataAttributeHost}-overflow-y`;\r\nexport const dataValueHostOverflowVisible = 'overflowVisible';\r\nexport const dataValueHostViewportScrollbarStyling = 'viewportStyled';\r\nexport const classNamePadding = 'os-padding';\r\nexport const classNameViewport = 'os-viewport';\r\nexport const classNameViewportArrange = `${classNameViewport}-arrange`;\r\nexport const classNameContent = 'os-content';\r\nexport const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;\r\nexport const classNameOverflowVisible = `os-overflow-visible`;\r\n\r\nexport const classNameSizeObserver = 'os-size-observer';\r\nexport const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;\r\nexport const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;\r\nexport const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;\r\nexport const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;\r\nexport const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;\r\n\r\nexport const classNameTrinsicObserver = 'os-trinsic-observer';\r\n\r\nexport const classNameScrollbar = 'os-scrollbar';\r\nexport const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;\r\nexport const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;\r\nexport const classNameScrollbarTrack = 'os-scrollbar-track';\r\nexport const classNameScrollbarHandle = 'os-scrollbar-handle';\r\nexport const classNamesScrollbarVisible = `${classNameScrollbar}-visible`;\r\nexport const classNamesScrollbarCornerless = `${classNameScrollbar}-cornerless`;\r\nexport const classNamesScrollbarTransitionless = `${classNameScrollbar}-transitionless`;\r\nexport const classNamesScrollbarInteraction = `${classNameScrollbar}-interaction`;\r\nexport const classNamesScrollbarAutoHidden = `${classNameScrollbar}-auto-hidden`;\r\n","import { assignDeep, each, isObject, keys, isArray, hasOwnProperty, isFunction } from 'support';\r\nimport { PartialOptions, ReadonlyOptions } from 'typings';\r\n\r\nconst opsStringify = (value: any) =>\r\n JSON.stringify(value, (_, val) => {\r\n if (isFunction(val)) {\r\n throw new Error();\r\n }\r\n return val;\r\n });\r\n\r\nexport type ResizeBehavior = 'none' | 'both' | 'horizontal' | 'vertical';\r\n\r\nexport type OverflowBehavior =\r\n | 'hidden'\r\n | 'scroll'\r\n | 'visible'\r\n | 'visible-hidden'\r\n | 'visible-scroll';\r\n\r\nexport type ScrollbarVisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type ScrollbarAutoHideBehavior = 'never' | 'scroll' | 'leave' | 'move';\r\n\r\nexport type ScrollBehavior = 'always' | 'ifneeded' | 'never';\r\n\r\nexport type BasicEventCallback = (this: any) => void;\r\n\r\nexport type ScrollEventCallback = (this: any, args?: UIEvent) => void;\r\n\r\nexport type OverflowChangedCallback = (this: any, args?: OverflowChangedArgs) => void;\r\n\r\nexport type OverflowAmountChangedCallback = (this: any, args?: OverflowAmountChangedArgs) => void;\r\n\r\nexport type DirectionChangedCallback = (this: any, args?: DirectionChangedArgs) => void;\r\n\r\nexport type SizeChangedCallback = (this: any, args?: SizeChangedArgs) => void;\r\n\r\nexport type UpdatedCallback = (this: any, args?: UpdatedArgs) => void;\r\n\r\nexport interface Options {\r\n paddingAbsolute: boolean;\r\n updating: {\r\n elementEvents: Array<[elementSelector: string, eventNames: string]> | null;\r\n attributes: string[] | null;\r\n debounce: [timeout: number, maxWait: number] | number | null; // (if tuple: [timeout: 0, maxWait: 33], if number: [timeout: number, maxWait: false]) debounce for content Changes\r\n ignoreMutation: ((mutation: MutationRecord) => any) | null;\r\n };\r\n overflow: {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n };\r\n scrollbars: {\r\n theme: string | null;\r\n visibility: ScrollbarVisibilityBehavior;\r\n autoHide: ScrollbarAutoHideBehavior;\r\n autoHideDelay: number;\r\n dragScroll: boolean;\r\n clickScroll: boolean;\r\n touch: boolean;\r\n };\r\n nativeScrollbarsOverlaid: {\r\n show: boolean;\r\n initialize: boolean;\r\n };\r\n}\r\n\r\nexport type ReadonlyOSOptions = ReadonlyOptions;\r\n\r\nexport interface OverflowChangedArgs {\r\n x: boolean;\r\n y: boolean;\r\n xScrollable: boolean;\r\n yScrollable: boolean;\r\n clipped: boolean;\r\n}\r\n\r\nexport interface OverflowAmountChangedArgs {\r\n x: number;\r\n y: number;\r\n}\r\n\r\nexport interface DirectionChangedArgs {\r\n isRTL: number;\r\n dir: string;\r\n}\r\n\r\nexport interface SizeChangedArgs {\r\n width: number;\r\n height: number;\r\n}\r\n\r\nexport interface UpdatedArgs {\r\n forced: boolean;\r\n}\r\n\r\nexport const defaultOptions: Options = {\r\n // resize: 'none', // none || both || horizontal || vertical || n || b || h || v\r\n paddingAbsolute: false, // true || false\r\n updating: {\r\n elementEvents: [['img', 'load']], // array of tuples || null\r\n debounce: [0, 33], // number || number array || null\r\n attributes: null, // string array || null\r\n ignoreMutation: null, // () => any || null\r\n },\r\n overflow: {\r\n x: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n y: 'scroll', // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n },\r\n nativeScrollbarsOverlaid: {\r\n show: false, // true || false\r\n initialize: false, // true || false\r\n },\r\n scrollbars: {\r\n theme: 'os-theme-dark',\r\n visibility: 'auto', // visible || hidden || auto || v || h || a\r\n autoHide: 'never', // never || scroll || leave || move || n || s || l || m\r\n autoHideDelay: 800, // number\r\n dragScroll: true, // true || false\r\n clickScroll: false, // true || false\r\n touch: true, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: false, // true || false\r\n dynHeight: false, // true || false\r\n inheritedAttrs: ['style', 'class'], // string || array || null\r\n },\r\n */\r\n};\r\n\r\nexport const getOptionsDiff = (\r\n currOptions: T,\r\n newOptions: PartialOptions\r\n): PartialOptions => {\r\n const diff: PartialOptions = {};\r\n const optionsKeys = keys(newOptions).concat(keys(currOptions));\r\n\r\n each(optionsKeys, (optionKey) => {\r\n const currOptionValue = currOptions[optionKey];\r\n const newOptionValue = newOptions[optionKey];\r\n\r\n if (isObject(currOptionValue) && isObject(newOptionValue)) {\r\n assignDeep((diff[optionKey] = {}), getOptionsDiff(currOptionValue, newOptionValue));\r\n } else if (hasOwnProperty(newOptions, optionKey) && newOptionValue !== currOptionValue) {\r\n let isDiff = true;\r\n\r\n if (isArray(currOptionValue) || isArray(newOptionValue)) {\r\n try {\r\n if (opsStringify(currOptionValue) === opsStringify(newOptionValue)) {\r\n isDiff = false;\r\n }\r\n } catch {}\r\n }\r\n\r\n if (isDiff) {\r\n diff[optionKey] = newOptionValue;\r\n }\r\n }\r\n });\r\n\r\n return diff;\r\n};\r\n","import { assignDeep, each, isArray, keys } from 'support';\r\nimport { OverlayScrollbars, OverlayScrollbarsStatic } from 'overlayscrollbars';\r\n\r\nexport type PluginInstance =\r\n | Record\r\n | ((staticObj: OverlayScrollbarsStatic, instanceObj: OverlayScrollbars) => void);\r\nexport type Plugin = {\r\n [pluginName: string]: T;\r\n};\r\n\r\nconst pluginRegistry: Record = {};\r\n\r\nexport const getPlugins = () => assignDeep({}, pluginRegistry);\r\n\r\nexport const addPlugin = (addedPlugin: Plugin | Plugin[]) => {\r\n each((isArray(addedPlugin) ? addedPlugin : [addedPlugin]) as Plugin[], (plugin) => {\r\n each(keys(plugin), (pluginName) => {\r\n pluginRegistry[pluginName] = plugin[pluginName];\r\n });\r\n });\r\n};\r\n","function _extends() {\n module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","import { each, hasOwnProperty, keys, push, isEmptyObject } from 'support/utils';\r\nimport { type, isArray, isUndefined, isPlainObject, isString } from 'support/utils/types';\r\nimport { PlainObject, PartialOptions } from 'typings';\r\n\r\nexport type OptionsObjectType = Record;\r\nexport type OptionsFunctionType = (this: any, ...args: any[]) => any;\r\nexport type OptionsTemplateType = ExtractPropsKey<\r\n OptionsTemplateTypeMap,\r\n T\r\n>;\r\nexport type OptionsTemplateTypes = keyof OptionsTemplateTypeMap;\r\nexport type OptionsTemplateNativeTypes = OptionsTemplateTypeMap[keyof OptionsTemplateTypeMap];\r\n\r\nexport type OptionsTemplateValue = T extends string\r\n ? string extends T\r\n ? OptionsTemplateValueNonEnum\r\n : string\r\n : OptionsTemplateValueNonEnum;\r\n\r\nexport type OptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsTemplateValue\r\n : never;\r\n};\r\n\r\nexport type OptionsValidationResult = [\r\n PartialOptions, // validated\r\n Record // foreign\r\n];\r\n\r\ntype OptionsTemplateTypeMap = {\r\n __TPL_boolean_TYPE__: boolean;\r\n __TPL_number_TYPE__: number;\r\n __TPL_string_TYPE__: string;\r\n __TPL_array_TYPE__: Array | ReadonlyArray;\r\n __TPL_function_TYPE__: OptionsFunctionType;\r\n __TPL_null_TYPE__: null;\r\n __TPL_object_TYPE__: OptionsObjectType;\r\n};\r\n\r\ntype OptionsTemplateValueNonEnum =\r\n | OptionsTemplateType\r\n | [OptionsTemplateType, ...Array];\r\n\r\ntype ExtractPropsKey = {\r\n [P in keyof T]: TProps extends T[P] ? P : never;\r\n}[keyof T];\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n readonly boolean: OptionsTemplateType;\r\n readonly number: OptionsTemplateType;\r\n readonly string: OptionsTemplateType;\r\n readonly array: OptionsTemplateType>;\r\n readonly object: OptionsTemplateType;\r\n readonly function: OptionsTemplateType;\r\n readonly null: OptionsTemplateType;\r\n};\r\n\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = {\r\n boolean: '__TPL_boolean_TYPE__',\r\n number: '__TPL_number_TYPE__',\r\n string: '__TPL_string_TYPE__',\r\n array: '__TPL_array_TYPE__',\r\n object: '__TPL_object_TYPE__',\r\n function: '__TPL_function_TYPE__',\r\n null: '__TPL_null_TYPE__',\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean,\r\n propPath?: string\r\n): OptionsValidationResult => {\r\n const validatedOptions: PartialOptions = {};\r\n const optionsCopy: PartialOptions = { ...options };\r\n const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n each(props, (prop: Extract) => {\r\n const optionsValue: any = options[prop];\r\n const templateValue: PlainObject | string | OptionsTemplateTypes | Array =\r\n template[prop];\r\n const templateIsComplex = isPlainObject(templateValue);\r\n const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n if (templateIsComplex && isPlainObject(optionsValue)) {\r\n const [validated, foreign] = validateRecursive(\r\n templateValue as T,\r\n optionsValue,\r\n doWriteErrors,\r\n propPrefix + prop\r\n );\r\n validatedOptions[prop] = validated as any;\r\n optionsCopy[prop] = foreign as any;\r\n\r\n each([optionsCopy, validatedOptions], (value) => {\r\n if (isEmptyObject(value[prop])) {\r\n delete value[prop];\r\n }\r\n });\r\n } else if (!templateIsComplex) {\r\n let isValid = false;\r\n const errorEnumStrings: Array = [];\r\n const errorPossibleTypes: Array = [];\r\n const optionsValueType = type(optionsValue);\r\n const templateValueArr: Array = !isArray(templateValue)\r\n ? [templateValue as string | OptionsTemplateTypes]\r\n : (templateValue as Array);\r\n\r\n each(templateValueArr, (currTemplateType) => {\r\n // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n let typeString: string | undefined;\r\n each(optionsTemplateTypes, (value: string, key: string) => {\r\n if (value === currTemplateType) {\r\n typeString = key;\r\n }\r\n });\r\n const isEnumString = isUndefined(typeString);\r\n if (isEnumString && isString(optionsValue)) {\r\n // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n const enumStringSplit = currTemplateType.split(' ');\r\n isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n // build error message\r\n push(errorEnumStrings, enumStringSplit);\r\n } else {\r\n isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n }\r\n\r\n // build error message\r\n push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString!);\r\n\r\n // continue if invalid, break if valid\r\n return !isValid;\r\n });\r\n\r\n if (isValid) {\r\n validatedOptions[prop] = optionsValue;\r\n } else if (doWriteErrors) {\r\n console.warn(\r\n `${\r\n `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n }${\r\n errorEnumStrings.length > 0\r\n ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].`\r\n : ''\r\n }`\r\n );\r\n }\r\n\r\n delete optionsCopy[prop];\r\n }\r\n });\r\n\r\n return [validatedOptions, optionsCopy]; // optionsCopy equals now to foreign options\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a tuple which looks like:\r\n * [\r\n * validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * foreign : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n * ]\r\n * @param template The template according to which the options object shall be validated.\r\n * @param options The options object which shall be validated.\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validateOptions = (\r\n template: OptionsTemplate,\r\n options: PartialOptions,\r\n doWriteErrors?: boolean\r\n): OptionsValidationResult => validateRecursive(template, options, doWriteErrors);\r\n\r\nexport { validateOptions, optionsTemplateTypes };\r\n","import {\r\n Options,\r\n OverflowBehavior,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport {\r\n validateOptions,\r\n OptionsTemplate,\r\n OptionsTemplateValue,\r\n optionsTemplateTypes as oTypes,\r\n} from 'plugins/optionsValidationPlugin/validation';\r\nimport type { PartialOptions } from 'typings';\r\nimport type { Plugin } from 'plugins';\r\n\r\nconst numberAllowedValues: OptionsTemplateValue = oTypes.number;\r\nconst booleanAllowedValues: OptionsTemplateValue = oTypes.boolean;\r\nconst arrayNullValues: OptionsTemplateValue | null> = [oTypes.array, oTypes.null];\r\nconst overflowAllowedValues: OptionsTemplateValue =\r\n 'hidden scroll visible visible-hidden';\r\nconst scrollbarsVisibilityAllowedValues: OptionsTemplateValue =\r\n 'visible hidden auto';\r\nconst scrollbarsAutoHideAllowedValues: OptionsTemplateValue =\r\n 'never scroll leavemove';\r\n\r\nconst optionsTemplate: OptionsTemplate = {\r\n // resize: resizeAllowedValues, // none || both || horizontal || vertical || n || b ||\r\n paddingAbsolute: booleanAllowedValues, // true || false\r\n updating: {\r\n elementEvents: arrayNullValues, // array of tuples || null\r\n attributes: arrayNullValues,\r\n debounce: [oTypes.number, oTypes.array, oTypes.null], // number || number array || null\r\n ignoreMutation: [oTypes.function, oTypes.null], // function || null\r\n },\r\n overflow: {\r\n x: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n y: overflowAllowedValues, // visible-hidden || visible-scroll || hidden || scrol\r\n },\r\n scrollbars: {\r\n theme: [oTypes.string, oTypes.null], // string || null\r\n visibility: scrollbarsVisibilityAllowedValues, // visible || hidden || auto || v ||\r\n autoHide: scrollbarsAutoHideAllowedValues, // never || scroll || leave || move ||\r\n autoHideDelay: numberAllowedValues, // number\r\n dragScroll: booleanAllowedValues, // true || false\r\n clickScroll: booleanAllowedValues, // true || false\r\n touch: booleanAllowedValues, // true || false\r\n },\r\n /*\r\n textarea: {\r\n dynWidth: booleanAllowedValues, // true || false\r\n dynHeight: booleanAllowedValues, // true || false\r\n inheritedAttrs: stringArrayNullAllowedValues, // string || array || nul\r\n },\r\n */\r\n nativeScrollbarsOverlaid: {\r\n show: booleanAllowedValues, // true || false\r\n initialize: booleanAllowedValues, // true || false\r\n },\r\n};\r\n\r\nexport type OptionsValidationPluginInstance = {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => PartialOptions;\r\n};\r\n\r\nexport const optionsValidationPluginName = '__osOptionsValidationPlugin';\r\n\r\nexport const optionsValidationPlugin: Plugin = {\r\n [optionsValidationPluginName]: {\r\n _: (options: PartialOptions, doWriteErrors?: boolean) => {\r\n const [validated, foreign] = validateOptions(optionsTemplate, options, doWriteErrors);\r\n return { ...foreign, ...validated };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n style,\r\n appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n on,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n stopPropagation,\r\n} from 'support';\r\nimport {\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type SizeObserverPluginInstance = {\r\n _: (\r\n listenerElement: HTMLElement,\r\n onSizeChangedCallback: (appear: boolean) => any,\r\n observeAppearChange: boolean\r\n ) => [appearCallback: () => any, offFns: (() => any)[]];\r\n};\r\n\r\nconst scrollAmount = 3333333;\r\nconst scrollEventName = 'scroll';\r\nexport const sizeObserverPluginName = '__osSizeObserverPlugin';\r\n\r\nexport const sizeObserverPlugin: Plugin = {\r\n [sizeObserverPluginName]: {\r\n _: (listenerElement, onSizeChangedCallback, observeAppearChange) => {\r\n const observerElementChildren = createDOM(\r\n `
`\r\n );\r\n appendChildren(listenerElement, observerElementChildren);\r\n addClass(listenerElement, classNameSizeObserverListenerScroll);\r\n const observerElementChildrenRoot = observerElementChildren[0] as HTMLElement;\r\n const shrinkElement = observerElementChildrenRoot.lastChild as HTMLElement;\r\n const expandElement = observerElementChildrenRoot.firstChild as HTMLElement;\r\n const expandElementChild = expandElement?.firstChild as HTMLElement;\r\n\r\n let cacheSize = offsetSize(observerElementChildrenRoot);\r\n let currSize = cacheSize;\r\n let isDirty = false;\r\n let rAFId: number;\r\n\r\n const reset = () => {\r\n scrollLeft(expandElement, scrollAmount);\r\n scrollTop(expandElement, scrollAmount);\r\n scrollLeft(shrinkElement, scrollAmount);\r\n scrollTop(shrinkElement, scrollAmount);\r\n };\r\n const onResized = (appear?: unknown) => {\r\n rAFId = 0;\r\n if (isDirty) {\r\n cacheSize = currSize;\r\n onSizeChangedCallback(appear === true);\r\n }\r\n };\r\n const onScroll = (scrollEvent?: Event | false) => {\r\n currSize = offsetSize(observerElementChildrenRoot);\r\n isDirty = !scrollEvent || !equalWH(currSize, cacheSize);\r\n\r\n if (scrollEvent) {\r\n stopPropagation(scrollEvent);\r\n\r\n if (isDirty && !rAFId) {\r\n cAF!(rAFId);\r\n rAFId = rAF!(onResized);\r\n }\r\n } else {\r\n onResized(scrollEvent === false);\r\n }\r\n\r\n reset();\r\n };\r\n const offListeners = push(\r\n [],\r\n [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]\r\n );\r\n\r\n // lets assume that the divs will never be that large and a constant value is enough\r\n style(expandElementChild, {\r\n width: scrollAmount,\r\n height: scrollAmount,\r\n });\r\n\r\n reset();\r\n\r\n return [observeAppearChange ? onScroll.bind(0, false) : reset, offListeners];\r\n },\r\n },\r\n};\r\n","import {\r\n keys,\r\n attr,\r\n WH,\r\n style,\r\n addClass,\r\n removeClass,\r\n noop,\r\n each,\r\n assignDeep,\r\n windowSize,\r\n UpdateCache,\r\n XY,\r\n} from 'support';\r\nimport { classNameViewportArrange } from 'classnames';\r\nimport type { StyleObject } from 'typings';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type {\r\n ViewportOverflowState,\r\n GetViewportOverflowState,\r\n HideNativeScrollbars,\r\n} from 'setups/structureSetup/updateSegments/overflowUpdateSegment';\r\nimport type { InternalEnvironment } from 'environment';\r\nimport type { Plugin } from 'plugins';\r\n\r\nexport type ArrangeViewport = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n sizeFraction: WH,\r\n directionIsRTL: boolean\r\n) => boolean;\r\n\r\nexport type UndoViewportArrangeResult = [\r\n redoViewportArrange: () => void,\r\n overflowState?: ViewportOverflowState\r\n];\r\n\r\nexport type UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n) => UndoViewportArrangeResult;\r\n\r\nexport type ScrollbarsHidingPluginInstance = {\r\n _createUniqueViewportArrangeElement(env: InternalEnvironment): HTMLStyleElement | false;\r\n _overflowUpdateSegment(\r\n doViewportArrange: boolean,\r\n flexboxGlue: boolean,\r\n viewport: HTMLElement,\r\n viewportArrange: HTMLStyleElement | false | null | undefined,\r\n getState: () => StructureSetupState,\r\n getViewportOverflowState: GetViewportOverflowState,\r\n hideNativeScrollbars: HideNativeScrollbars\r\n ): [ArrangeViewport, UndoArrangeViewport];\r\n _envWindowZoom(): (\r\n envInstance: InternalEnvironment,\r\n updateNativeScrollbarSizeCache: UpdateCache>,\r\n triggerEvent: () => void\r\n ) => void;\r\n};\r\n\r\nlet contentArrangeCounter = 0;\r\nconst { round, abs } = Math;\r\nconst getWindowDPR = (): number => {\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const dDPI = window.screen.deviceXDPI || 0;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const sDPI = window.screen.logicalXDPI || 1;\r\n return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n const absValOne = abs(valOne);\r\n const absValTwo = abs(valTwo);\r\n return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport const scrollbarsHidingPluginName = '__osScrollbarsHidingPlugin';\r\n\r\nexport const scrollbarsHidingPlugin: Plugin = {\r\n [scrollbarsHidingPluginName]: {\r\n _createUniqueViewportArrangeElement: (env: InternalEnvironment) => {\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _cssCustomProperties,\r\n } = env;\r\n const create =\r\n !_cssCustomProperties &&\r\n !_nativeScrollbarStyling &&\r\n (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n const result = create ? document.createElement('style') : false;\r\n\r\n if (result) {\r\n attr(result, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);\r\n contentArrangeCounter++;\r\n }\r\n\r\n return result;\r\n },\r\n _overflowUpdateSegment: (\r\n doViewportArrange,\r\n flexboxGlue,\r\n viewport,\r\n viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n ) => {\r\n /**\r\n * Sets the styles of the viewport arrange element.\r\n * @param viewportOverflowState The viewport overflow state according to which the scrollbars shall be hidden.\r\n * @param viewportScrollSize The content scroll size.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @returns A boolean which indicates whether the viewport arrange element was adjusted.\r\n */\r\n const arrangeViewport: ArrangeViewport = (\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n directionIsRTL\r\n ) => {\r\n if (doViewportArrange) {\r\n const { _viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const viewportArrangeHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingRight'\r\n : 'paddingLeft';\r\n const viewportArrangeHorizontalPaddingValue = _viewportPaddingStyle[\r\n viewportArrangeHorizontalPaddingKey\r\n ] as number;\r\n const viewportArrangeVerticalPaddingValue = _viewportPaddingStyle.paddingTop as number;\r\n const fractionalContentWidth = viewportScrollSize.w + sizeFraction.w;\r\n const fractionalContenHeight = viewportScrollSize.h + sizeFraction.h;\r\n const arrangeSize = {\r\n w:\r\n hideOffsetY && arrangeY\r\n ? `${\r\n hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue\r\n }px`\r\n : '',\r\n h:\r\n hideOffsetX && arrangeX\r\n ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px`\r\n : '',\r\n };\r\n\r\n // adjust content arrange / before element\r\n if (viewportArrange) {\r\n const { sheet } = viewportArrange;\r\n if (sheet) {\r\n const { cssRules } = sheet;\r\n if (cssRules) {\r\n if (!cssRules.length) {\r\n sheet.insertRule(\r\n `#${attr(viewportArrange, 'id')} + .${classNameViewportArrange}::before {}`,\r\n 0\r\n );\r\n }\r\n\r\n // @ts-ignore\r\n const ruleStyle = cssRules[0].style;\r\n\r\n ruleStyle.width = arrangeSize.w;\r\n ruleStyle.height = arrangeSize.h;\r\n }\r\n }\r\n } else {\r\n style<'--os-vaw' | '--os-vah'>(viewport, {\r\n '--os-vaw': arrangeSize.w,\r\n '--os-vah': arrangeSize.h,\r\n });\r\n }\r\n }\r\n\r\n return doViewportArrange;\r\n };\r\n\r\n /**\r\n * Removes all styles applied because of the viewport arrange strategy.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportOverflowState The currentviewport overflow state or undefined if it has to be determined.\r\n * @returns A object with a function which applies all the removed styles and the determined viewport vverflow state.\r\n */\r\n const undoViewportArrange: UndoArrangeViewport = (\r\n showNativeOverlaidScrollbars,\r\n directionIsRTL,\r\n viewportOverflowState?\r\n ) => {\r\n if (doViewportArrange) {\r\n const finalViewportOverflowState =\r\n viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const finalPaddingStyle: StyleObject = {};\r\n const assignProps = (props: string) =>\r\n each(props.split(' '), (prop) => {\r\n finalPaddingStyle[prop] = viewportPaddingStyle[prop];\r\n });\r\n\r\n if (arrangeX) {\r\n assignProps('marginBottom paddingTop paddingBottom');\r\n }\r\n\r\n if (arrangeY) {\r\n assignProps('marginLeft marginRight paddingLeft paddingRight');\r\n }\r\n\r\n const prevStyle = style(viewport, keys(finalPaddingStyle));\r\n\r\n removeClass(viewport, classNameViewportArrange);\r\n\r\n if (!flexboxGlue) {\r\n finalPaddingStyle.height = '';\r\n }\r\n\r\n style(viewport, finalPaddingStyle);\r\n\r\n return [\r\n () => {\r\n hideNativeScrollbars(\r\n finalViewportOverflowState,\r\n directionIsRTL,\r\n doViewportArrange,\r\n prevStyle\r\n );\r\n style(viewport, prevStyle);\r\n addClass(viewport, classNameViewportArrange);\r\n },\r\n finalViewportOverflowState,\r\n ];\r\n }\r\n return [noop];\r\n };\r\n\r\n return [arrangeViewport, undoViewportArrange];\r\n },\r\n _envWindowZoom: () => {\r\n let size = { w: 0, h: 0 };\r\n let dpr = 0;\r\n\r\n return (envInstance, updateNativeScrollbarSizeCache, triggerEvent) => {\r\n const sizeNew = windowSize();\r\n const deltaSize = {\r\n w: sizeNew.w - size.w,\r\n h: sizeNew.h - size.h,\r\n };\r\n\r\n if (deltaSize.w === 0 && deltaSize.h === 0) {\r\n return;\r\n }\r\n\r\n const deltaAbsSize = {\r\n w: abs(deltaSize.w),\r\n h: abs(deltaSize.h),\r\n };\r\n const deltaAbsRatio = {\r\n w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n };\r\n const dprNew = getWindowDPR();\r\n const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n const dprChanged = dprNew !== dpr && dprNew > 0;\r\n const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n if (isZoom) {\r\n const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache();\r\n\r\n assignDeep(envInstance._nativeScrollbarsSize, scrollbarSize); // keep the object same!\r\n\r\n if (scrollbarSizeChanged) {\r\n triggerEvent();\r\n }\r\n }\r\n\r\n size = sizeNew;\r\n dpr = dprNew;\r\n };\r\n },\r\n },\r\n};\r\n","import {\r\n createDOM,\r\n addClass,\r\n style,\r\n appendChildren,\r\n fractionalSize,\r\n clientSize,\r\n absoluteCoordinates,\r\n offsetSize,\r\n scrollLeft,\r\n XY,\r\n removeAttr,\r\n removeElements,\r\n equalBCRWH,\r\n getBoundingClientRect,\r\n assignDeep,\r\n cssProperty,\r\n createCache,\r\n equalXY,\r\n createEventListenerHub,\r\n EventListener,\r\n} from 'support';\r\nimport {\r\n classNameEnvironment,\r\n classNameEnvironmentFlexboxGlue,\r\n classNameEnvironmentFlexboxGlueMax,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { Options, defaultOptions } from 'options';\r\nimport { PartialOptions } from 'typings';\r\nimport { InitializationStrategy } from 'initialization';\r\nimport { getPlugins, ScrollbarsHidingPluginInstance, scrollbarsHidingPluginName } from 'plugins';\r\n\r\ntype EnvironmentEventMap = {\r\n _: [];\r\n};\r\n\r\nexport interface InternalEnvironment {\r\n readonly _nativeScrollbarsSize: XY;\r\n readonly _nativeScrollbarsOverlaid: XY;\r\n readonly _nativeScrollbarsHiding: boolean;\r\n readonly _rtlScrollBehavior: { n: boolean; i: boolean };\r\n readonly _flexboxGlue: boolean;\r\n readonly _cssCustomProperties: boolean;\r\n readonly _defaultInitializationStrategy: InitializationStrategy;\r\n readonly _defaultDefaultOptions: Options;\r\n _addListener(listener: EventListener): () => void;\r\n _getInitializationStrategy(): InitializationStrategy;\r\n _setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n _getDefaultOptions(): Options;\r\n _setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nlet environmentInstance: InternalEnvironment;\r\n\r\nconst getNativeScrollbarSize = (\r\n body: HTMLElement,\r\n measureElm: HTMLElement,\r\n measureElmChild: HTMLElement,\r\n clear?: boolean\r\n): XY => {\r\n appendChildren(body, measureElm);\r\n\r\n const cSize = clientSize(measureElm);\r\n const oSize = offsetSize(measureElm);\r\n const fSize = fractionalSize(measureElmChild);\r\n\r\n clear && removeElements(measureElm);\r\n\r\n return {\r\n x: oSize.h - cSize.h + fSize.h,\r\n y: oSize.w - cSize.w + fSize.w,\r\n };\r\n};\r\n\r\nconst getNativeScrollbarsHiding = (testElm: HTMLElement): boolean => {\r\n let result = false;\r\n const revertClass = addClass(testElm, classNameViewportScrollbarStyling);\r\n try {\r\n result =\r\n style(testElm, cssProperty('scrollbar-width')) === 'none' ||\r\n window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') ===\r\n 'none';\r\n } catch (ex) {}\r\n revertClass();\r\n return result;\r\n};\r\n\r\nconst getRtlScrollBehavior = (\r\n parentElm: HTMLElement,\r\n childElm: HTMLElement\r\n): { i: boolean; n: boolean } => {\r\n const strHidden = 'hidden';\r\n style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: 'rtl' });\r\n scrollLeft(parentElm, 0);\r\n\r\n const parentOffset = absoluteCoordinates(parentElm);\r\n const childOffset = absoluteCoordinates(childElm);\r\n scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n const childOffsetAfterScroll = absoluteCoordinates(childElm);\r\n return {\r\n /**\r\n * origin direction = determines if the zero scroll position is on the left or right side\r\n * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n * true = on the left side\r\n * false = on the right side\r\n */\r\n i: parentOffset.x === childOffset.x,\r\n /**\r\n * negative = determines if the maximum scroll is positive or negative\r\n * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n * true = negative\r\n * false = positive\r\n */\r\n n: childOffset.x !== childOffsetAfterScroll.x,\r\n };\r\n};\r\n\r\nconst getFlexboxGlue = (parentElm: HTMLElement, childElm: HTMLElement): boolean => {\r\n const revertFbxGlue = addClass(parentElm, classNameEnvironmentFlexboxGlue);\r\n const minOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const minOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);\r\n\r\n const revertFbxGlueMax = addClass(parentElm, classNameEnvironmentFlexboxGlueMax);\r\n const maxOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const maxOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);\r\n\r\n revertFbxGlue();\r\n revertFbxGlueMax();\r\n\r\n return supportsMin && supportsMax;\r\n};\r\n\r\nconst createEnvironment = (): InternalEnvironment => {\r\n const { body } = document;\r\n const envDOM = createDOM(`
`);\r\n const envElm = envDOM[0] as HTMLElement;\r\n const envChildElm = envElm.firstChild as HTMLElement;\r\n const [addEvent, , triggerEvent] = createEventListenerHub();\r\n const [updateNativeScrollbarSizeCache, getNativeScrollbarSizeCache] = createCache(\r\n {\r\n _initialValue: getNativeScrollbarSize(body, envElm, envChildElm),\r\n _equal: equalXY,\r\n },\r\n getNativeScrollbarSize.bind(0, body, envElm, envChildElm, true)\r\n );\r\n const [nativeScrollbarsSize] = getNativeScrollbarSizeCache();\r\n const nativeScrollbarsHiding = getNativeScrollbarsHiding(envElm);\r\n const nativeScrollbarsOverlaid = {\r\n x: nativeScrollbarsSize.x === 0,\r\n y: nativeScrollbarsSize.y === 0,\r\n };\r\n const initializationStrategy = {\r\n padding: !nativeScrollbarsHiding,\r\n content: false,\r\n };\r\n const defaultDefaultOptions = assignDeep({}, defaultOptions);\r\n\r\n const env: InternalEnvironment = {\r\n _nativeScrollbarsSize: nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid: nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding: nativeScrollbarsHiding,\r\n _cssCustomProperties: style(envElm, 'zIndex') === '-1',\r\n _rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),\r\n _flexboxGlue: getFlexboxGlue(envElm, envChildElm),\r\n _addListener: (listener) => addEvent('_', listener),\r\n _getInitializationStrategy: assignDeep.bind(\r\n 0,\r\n {} as InitializationStrategy,\r\n initializationStrategy\r\n ),\r\n _setInitializationStrategy(newInitializationStrategy) {\r\n assignDeep(initializationStrategy, newInitializationStrategy);\r\n },\r\n _getDefaultOptions: assignDeep.bind(0, {} as Options, defaultDefaultOptions),\r\n _setDefaultOptions(newDefaultOptions) {\r\n assignDeep(defaultDefaultOptions, newDefaultOptions);\r\n },\r\n _defaultInitializationStrategy: assignDeep({}, initializationStrategy),\r\n _defaultDefaultOptions: assignDeep({}, defaultDefaultOptions),\r\n };\r\n\r\n removeAttr(envElm, 'style');\r\n removeElements(envElm);\r\n\r\n if (!nativeScrollbarsHiding && (!nativeScrollbarsOverlaid.x || !nativeScrollbarsOverlaid.y)) {\r\n let resizeFn: undefined | ReturnType;\r\n window.addEventListener('resize', () => {\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n\r\n resizeFn = resizeFn || (scrollbarsHidingPlugin && scrollbarsHidingPlugin._envWindowZoom());\r\n resizeFn && resizeFn(env, updateNativeScrollbarSizeCache, triggerEvent.bind(0, '_'));\r\n });\r\n }\r\n\r\n return env;\r\n};\r\n\r\nconst getEnvironment = (): InternalEnvironment => {\r\n if (!environmentInstance) {\r\n environmentInstance = createEnvironment();\r\n }\r\n return environmentInstance;\r\n};\r\n\r\nexport { getEnvironment };\r\n","import { isFunction, isNull, isUndefined } from 'support';\r\nimport type {\r\n StructureInitialization,\r\n StructureInitializationStrategy,\r\n} from 'setups/structureSetup';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n} from 'setups/scrollbarsSetup';\r\n\r\ntype StaticInitialization = HTMLElement | null | undefined;\r\ntype DynamicInitialization = HTMLElement | boolean | null | undefined;\r\n\r\nexport type InitializationTargetElement = HTMLElement | HTMLTextAreaElement;\r\n\r\nexport type InitializationTargetObject = StructureInitialization & ScrollbarsInitialization;\r\n\r\nexport type InitializationTarget = InitializationTargetElement | InitializationTargetObject;\r\n\r\nexport type InitializationStrategy = StructureInitializationStrategy &\r\n ScrollbarsInitializationStrategy;\r\n\r\n/**\r\n * Static elements MUST be present.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type StaticInitializationElement =\r\n | ((...args: Args) => StaticInitialization)\r\n | StaticInitialization;\r\n\r\n/**\r\n * Dynamic element CAN be present.\r\n * If its a element the element will be handled as the repsective element.\r\n * True means that the respective dynamic element is forced to be generated.\r\n * False means that the respective dynamic element is forced NOT to be generated.\r\n * Null or undefined behave like if this element wasn't specified during initialization.\r\n */\r\nexport type DynamicInitializationElement =\r\n | ((...args: Args) => DynamicInitialization)\r\n | DynamicInitialization;\r\n\r\nexport type InitializtationElementStrategy = Exclude;\r\n\r\nexport type DefaultInitializtationElementStrategy<\r\n InitElm extends StaticInitializationElement | DynamicInitializationElement\r\n> = Extract any> extends (...args: infer P) => any\r\n ? (...args: P) => HTMLElement\r\n : never;\r\n\r\nconst resolveInitialization = (value: any, args: any): T =>\r\n isFunction(value) ? value.apply(0, args) : value;\r\n\r\nconst staticInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultStaticInitializationElement: DefaultInitializtationElementStrategy,\r\n staticInitializationElementStrategy?: InitializtationElementStrategy,\r\n staticInitializationElementValue?: T | false\r\n): HTMLElement =>\r\n resolveInitialization(\r\n staticInitializationElementValue ||\r\n resolveInitialization(staticInitializationElementStrategy, args),\r\n args\r\n ) || defaultStaticInitializationElement.apply(0, args);\r\n\r\nconst dynamicInitializationElement = >(\r\n args: Parameters any>>,\r\n defaultDynamicInitializationElement: DefaultInitializtationElementStrategy,\r\n dynamicInitializationElementStrategy?: InitializtationElementStrategy,\r\n dynamicInitializationElementValue?: T | false\r\n): HTMLElement | false => {\r\n let result = resolveInitialization(\r\n dynamicInitializationElementValue,\r\n args\r\n );\r\n\r\n if (isNull(result) || isUndefined(result)) {\r\n result = resolveInitialization(\r\n dynamicInitializationElementStrategy,\r\n args\r\n );\r\n }\r\n\r\n return result === true || isNull(result) || isUndefined(result)\r\n ? defaultDynamicInitializationElement.apply(0, args)\r\n : result;\r\n};\r\n\r\nexport { staticInitializationElement, dynamicInitializationElement };\r\n","import {\r\n isHTMLElement,\r\n appendChildren,\r\n createDiv,\r\n is,\r\n contents,\r\n insertAfter,\r\n addClass,\r\n parent,\r\n indexOf,\r\n removeElements,\r\n removeClass,\r\n hasClass,\r\n push,\r\n runEachAndClear,\r\n insertBefore,\r\n attr,\r\n keys,\r\n removeAttr,\r\n attrClass,\r\n hasAttrClass,\r\n ResizeObserverConstructor,\r\n} from 'support';\r\nimport {\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n classNamePadding,\r\n classNameViewport,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type { ScrollbarsHidingPluginInstance } from 'plugins/scrollbarsHidingPlugin';\r\nimport {\r\n staticInitializationElement as generalStaticInitializationElement,\r\n dynamicInitializationElement as generalDynamicInitializationElement,\r\n} from 'initialization';\r\nimport type { InitializationTarget, InitializationTargetElement } from 'initialization';\r\nimport type {\r\n StructureDynamicInitializationElement,\r\n StructureInitialization,\r\n StructureStaticInitializationElement,\r\n} from 'setups/structureSetup/structureSetup.initialization';\r\n\r\nexport type StructureSetupElements = [\r\n targetObj: StructureSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nexport interface StructureSetupElementsObj {\r\n _target: InitializationTargetElement;\r\n _host: HTMLElement;\r\n _viewport: HTMLElement;\r\n _padding: HTMLElement | false;\r\n _content: HTMLElement | false;\r\n _viewportArrange: HTMLStyleElement | false | null | undefined;\r\n // ctx ----\r\n _isTextarea: boolean;\r\n _isBody: boolean;\r\n _htmlElm: HTMLHtmlElement;\r\n _bodyElm: HTMLBodyElement;\r\n _windowElm: Window;\r\n _documentElm: Document;\r\n _targetIsElm: boolean;\r\n _viewportIsTarget: boolean;\r\n _viewportHasClass: (className: string, attributeClassName: string) => boolean;\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) => void;\r\n}\r\n\r\nconst createNewDiv = createDiv.bind(0, '');\r\n\r\nconst unwrap = (elm: HTMLElement | false | null | undefined) => {\r\n appendChildren(parent(elm), contents(elm));\r\n removeElements(elm);\r\n};\r\n\r\nconst addDataAttrHost = (elm: HTMLElement, value: string) => {\r\n attr(elm, dataAttributeHost, value);\r\n return removeAttr.bind(0, elm, dataAttributeHost);\r\n};\r\n\r\nexport const createStructureSetupElements = (\r\n target: InitializationTarget\r\n): StructureSetupElements => {\r\n const env = getEnvironment();\r\n const { _getInitializationStrategy, _nativeScrollbarsHiding } = env;\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const createUniqueViewportArrangeElement =\r\n scrollbarsHidingPlugin && scrollbarsHidingPlugin._createUniqueViewportArrangeElement;\r\n const {\r\n host: hostInitializationStrategy,\r\n viewport: viewportInitializationStrategy,\r\n padding: paddingInitializationStrategy,\r\n content: contentInitializationStrategy,\r\n } = _getInitializationStrategy();\r\n const targetIsElm = isHTMLElement(target);\r\n const targetStructureInitialization = target as StructureInitialization;\r\n const targetElement = targetIsElm\r\n ? (target as InitializationTargetElement)\r\n : targetStructureInitialization.target;\r\n const isTextarea = is(targetElement, 'textarea');\r\n const isBody = !isTextarea && is(targetElement, 'body');\r\n const ownerDocument = targetElement!.ownerDocument;\r\n const bodyElm = ownerDocument.body as HTMLBodyElement;\r\n const wnd = ownerDocument.defaultView as Window;\r\n const singleElmSupport = !!ResizeObserverConstructor && !isTextarea && _nativeScrollbarsHiding;\r\n const staticInitializationElement =\r\n generalStaticInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const dynamicInitializationElement =\r\n generalDynamicInitializationElement.bind(0, [\r\n targetElement,\r\n ]);\r\n const viewportElement = [\r\n staticInitializationElement(\r\n createNewDiv,\r\n viewportInitializationStrategy,\r\n targetStructureInitialization.viewport\r\n ),\r\n staticInitializationElement(createNewDiv, viewportInitializationStrategy),\r\n staticInitializationElement(createNewDiv),\r\n ].filter((potentialViewport) =>\r\n !singleElmSupport ? potentialViewport !== targetElement : true\r\n )[0];\r\n const viewportIsTarget = viewportElement === targetElement;\r\n const evaluatedTargetObj: StructureSetupElementsObj = {\r\n _target: targetElement,\r\n _host: isTextarea\r\n ? staticInitializationElement(\r\n createNewDiv,\r\n hostInitializationStrategy,\r\n targetStructureInitialization.host\r\n )\r\n : (targetElement as HTMLElement),\r\n _viewport: viewportElement,\r\n _padding:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n paddingInitializationStrategy,\r\n targetStructureInitialization.padding\r\n ),\r\n _content:\r\n !viewportIsTarget &&\r\n dynamicInitializationElement(\r\n createNewDiv,\r\n contentInitializationStrategy,\r\n targetStructureInitialization.content\r\n ),\r\n _viewportArrange:\r\n !viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n createUniqueViewportArrangeElement &&\r\n createUniqueViewportArrangeElement(env),\r\n _windowElm: wnd,\r\n _documentElm: ownerDocument,\r\n _htmlElm: parent(bodyElm) as HTMLHtmlElement,\r\n _bodyElm: bodyElm,\r\n _isTextarea: isTextarea,\r\n _isBody: isBody,\r\n _targetIsElm: targetIsElm,\r\n _viewportIsTarget: viewportIsTarget,\r\n _viewportHasClass: (className: string, attributeClassName: string) =>\r\n viewportIsTarget\r\n ? hasAttrClass(viewportElement, dataAttributeHost, attributeClassName)\r\n : hasClass(viewportElement, className),\r\n _viewportAddRemoveClass: (className: string, attributeClassName: string, add?: boolean) =>\r\n viewportIsTarget\r\n ? attrClass(viewportElement, dataAttributeHost, attributeClassName, add)\r\n : (add ? addClass : removeClass)(viewportElement, className),\r\n };\r\n const generatedElements = keys(evaluatedTargetObj).reduce((arr, key: string) => {\r\n const value = evaluatedTargetObj[key];\r\n return push(arr, value && !parent(value) ? value : false);\r\n }, [] as HTMLElement[]);\r\n const elementIsGenerated = (elm: HTMLElement | false) =>\r\n elm ? indexOf(generatedElements, elm) > -1 : null;\r\n const { _target, _host, _padding, _viewport, _content, _viewportArrange } = evaluatedTargetObj;\r\n const destroyFns: (() => any)[] = [];\r\n const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);\r\n const targetContents = isTextarea\r\n ? _target\r\n : contents(\r\n [_content, _viewport, _padding, _host, _target].find(\r\n (elm) => elementIsGenerated(elm) === false\r\n )\r\n );\r\n const contentSlot = _content || _viewport;\r\n const appendElements = () => {\r\n const removeHostDataAttr = addDataAttrHost(_host, viewportIsTarget ? 'viewport' : 'host');\r\n const removePaddingClass = addClass(_padding, classNamePadding);\r\n const removeViewportClass = addClass(_viewport, !viewportIsTarget && classNameViewport);\r\n const removeContentClass = addClass(_content, classNameContent);\r\n\r\n // only insert host for textarea after target if it was generated\r\n if (isTextareaHostGenerated) {\r\n insertAfter(_target, _host);\r\n\r\n push(destroyFns, () => {\r\n insertAfter(_host, _target);\r\n removeElements(_host);\r\n });\r\n }\r\n\r\n appendChildren(contentSlot, targetContents);\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, !viewportIsTarget && _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n push(destroyFns, () => {\r\n removeHostDataAttr();\r\n removeAttr(_viewport, dataAttributeHostOverflowX);\r\n removeAttr(_viewport, dataAttributeHostOverflowY);\r\n\r\n if (elementIsGenerated(_content)) {\r\n unwrap(_content);\r\n }\r\n if (elementIsGenerated(_viewport)) {\r\n unwrap(_viewport);\r\n }\r\n if (elementIsGenerated(_padding)) {\r\n unwrap(_padding);\r\n }\r\n removePaddingClass();\r\n removeViewportClass();\r\n removeContentClass();\r\n });\r\n\r\n if (_nativeScrollbarsHiding && !viewportIsTarget) {\r\n push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));\r\n }\r\n if (_viewportArrange) {\r\n insertBefore(_viewport, _viewportArrange);\r\n push(destroyFns, removeElements.bind(0, _viewportArrange));\r\n }\r\n };\r\n\r\n return [evaluatedTargetObj, appendElements, runEachAndClear.bind(0, destroyFns)];\r\n};\r\n","import { style } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the trinsic behavior of the content element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createTrinsicUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const { _content } = structureSetupElements;\r\n const [getState] = state;\r\n\r\n return (updateHints) => {\r\n const { _flexboxGlue } = getEnvironment();\r\n const { _heightIntrinsic } = getState();\r\n const { _heightIntrinsicChanged } = updateHints;\r\n const heightIntrinsicChanged = (_content || !_flexboxGlue) && _heightIntrinsicChanged;\r\n\r\n if (heightIntrinsicChanged) {\r\n style(_content, {\r\n height: _heightIntrinsic ? '' : '100%',\r\n });\r\n }\r\n\r\n return {\r\n _sizeChanged: heightIntrinsicChanged,\r\n _contentMutation: heightIntrinsicChanged,\r\n };\r\n };\r\n};\r\n","import { createCache, topRightBottomLeft, equalTRBL, style, assignDeep } from 'support';\r\nimport { StyleObject } from 'typings';\r\nimport { getEnvironment } from 'environment';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the padding styling of the padding and viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createPaddingUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const { _host, _padding, _viewport, _viewportIsTarget: _isSingleElm } = structureSetupElements;\r\n const [updatePaddingCache, currentPaddingCache] = createCache(\r\n {\r\n _equal: equalTRBL,\r\n _initialValue: topRightBottomLeft(),\r\n },\r\n topRightBottomLeft.bind(0, _host, 'padding', '')\r\n );\r\n\r\n return (updateHints, checkOption, force) => {\r\n let [padding, paddingChanged] = currentPaddingCache(force);\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const { _directionIsRTL } = getState();\r\n const { _sizeChanged, _contentMutation, _directionChanged } = updateHints;\r\n const [paddingAbsolute, paddingAbsoluteChanged] = checkOption('paddingAbsolute');\r\n const contentMutation = !_flexboxGlue && _contentMutation;\r\n\r\n if (_sizeChanged || paddingChanged || contentMutation) {\r\n [padding, paddingChanged] = updatePaddingCache(force);\r\n }\r\n\r\n const paddingStyleChanged =\r\n !_isSingleElm && (paddingAbsoluteChanged || _directionChanged || paddingChanged);\r\n\r\n if (paddingStyleChanged) {\r\n // if there is no padding element and no scrollbar styling, paddingAbsolute isn't supported\r\n const paddingRelative = !paddingAbsolute || (!_padding && !_nativeScrollbarStyling);\r\n const paddingHorizontal = padding.r + padding.l;\r\n const paddingVertical = padding.t + padding.b;\r\n\r\n const paddingStyle: StyleObject = {\r\n marginRight: paddingRelative && !_directionIsRTL ? -paddingHorizontal : 0,\r\n marginBottom: paddingRelative ? -paddingVertical : 0,\r\n marginLeft: paddingRelative && _directionIsRTL ? -paddingHorizontal : 0,\r\n top: paddingRelative ? -padding.t : 0,\r\n right: paddingRelative ? (_directionIsRTL ? -padding.r : 'auto') : 0,\r\n left: paddingRelative ? (_directionIsRTL ? 'auto' : -padding.l) : 0,\r\n width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : '',\r\n };\r\n const viewportStyle: StyleObject = {\r\n paddingTop: paddingRelative ? padding.t : 0,\r\n paddingRight: paddingRelative ? padding.r : 0,\r\n paddingBottom: paddingRelative ? padding.b : 0,\r\n paddingLeft: paddingRelative ? padding.l : 0,\r\n };\r\n\r\n // if there is no padding element apply the style to the viewport element instead\r\n style(_padding || _viewport, paddingStyle);\r\n style(_viewport, viewportStyle);\r\n\r\n setState({\r\n _padding: padding,\r\n _paddingAbsolute: !paddingRelative,\r\n _viewportPaddingStyle: _padding\r\n ? viewportStyle\r\n : assignDeep({}, paddingStyle, viewportStyle),\r\n });\r\n }\r\n\r\n return {\r\n _paddingStyleChanged: paddingStyleChanged,\r\n };\r\n };\r\n};\r\n","import {\r\n createCache,\r\n attr,\r\n WH,\r\n XY,\r\n style,\r\n scrollSize,\r\n fractionalSize,\r\n equalWH,\r\n addClass,\r\n removeClass,\r\n clientSize,\r\n equalXY,\r\n attrClass,\r\n noop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameViewportScrollbarStyling,\r\n classNameOverflowVisible,\r\n dataAttributeHost,\r\n dataAttributeHostOverflowX,\r\n dataAttributeHostOverflowY,\r\n dataValueHostViewportScrollbarStyling,\r\n dataValueHostOverflowVisible,\r\n} from 'classnames';\r\nimport { getPlugins, scrollbarsHidingPluginName } from 'plugins';\r\nimport type {\r\n ScrollbarsHidingPluginInstance,\r\n ArrangeViewport,\r\n UndoArrangeViewport,\r\n} from 'plugins/scrollbarsHidingPlugin';\r\nimport type { StyleObject, OverflowStyle } from 'typings';\r\nimport type { OverflowBehavior } from 'options';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport interface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n _overflowStyle: XY;\r\n}\r\n\r\nexport type GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n viewportStyleObj?: StyleObject\r\n) => ViewportOverflowState;\r\n\r\nexport type HideNativeScrollbars = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\r\n) => void;\r\n\r\nconst { max } = Math;\r\nconst max0 = max.bind(0, 0);\r\nconst strVisible = 'visible';\r\nconst strHidden = 'hidden';\r\nconst overlaidScrollbarsHideOffset = 42;\r\nconst whCacheOptions = {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n};\r\nconst xyCacheOptions = {\r\n _equal: equalXY,\r\n _initialValue: { x: strHidden, y: strHidden } as XY,\r\n};\r\n\r\nconst getOverflowAmount = (viewportScrollSize: WH, viewportClientSize: WH) => {\r\n const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;\r\n const amount = {\r\n w: max0(viewportScrollSize.w - viewportClientSize.w),\r\n h: max0(viewportScrollSize.h - viewportClientSize.h),\r\n };\r\n\r\n return {\r\n w: amount.w > tollerance ? amount.w : 0,\r\n h: amount.h > tollerance ? amount.h : 0,\r\n };\r\n};\r\n\r\nconst conditionalClass = (\r\n elm: Element | false | null | undefined,\r\n classNames: string,\r\n add: boolean\r\n) => (add ? addClass(elm, classNames) : removeClass(elm, classNames));\r\n\r\nconst overflowIsVisible = (overflowBehavior: string) => overflowBehavior.indexOf(strVisible) === 0;\r\n\r\n/**\r\n * Lifecycle with the responsibility to set the correct overflow and scrollbar hiding styles of the viewport element.\r\n * @param structureUpdateHub\r\n * @returns\r\n */\r\nexport const createOverflowUpdateSegment: CreateStructureUpdateSegment = (\r\n structureSetupElements,\r\n state\r\n) => {\r\n const [getState, setState] = state;\r\n const {\r\n _host,\r\n _padding,\r\n _viewport,\r\n _viewportArrange,\r\n _viewportIsTarget,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsSize,\r\n _flexboxGlue,\r\n _nativeScrollbarsHiding,\r\n _nativeScrollbarsOverlaid,\r\n } = getEnvironment();\r\n const scrollbarsHidingPlugin = getPlugins()[scrollbarsHidingPluginName] as\r\n | ScrollbarsHidingPluginInstance\r\n | undefined;\r\n const doViewportArrange =\r\n !_viewportIsTarget &&\r\n !_nativeScrollbarsHiding &&\r\n (_nativeScrollbarsOverlaid.x || _nativeScrollbarsOverlaid.y);\r\n\r\n const [updateSizeFraction, getCurrentSizeFraction] = createCache>(\r\n whCacheOptions,\r\n fractionalSize.bind(0, _viewport)\r\n );\r\n\r\n const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache<\r\n WH\r\n >(whCacheOptions, scrollSize.bind(0, _viewport));\r\n\r\n const [updateOverflowAmountCache, getCurrentOverflowAmountCache] =\r\n createCache>(whCacheOptions);\r\n\r\n const [updateOverflowEdge, getCurrentOverflowEdgeCache] = createCache>(whCacheOptions);\r\n\r\n const [updateOverflowStyleCache] = createCache>(xyCacheOptions);\r\n\r\n /**\r\n * Applies a fixed height to the viewport so it can't overflow or underflow the host element.\r\n * @param viewportOverflowState The current overflow state.\r\n * @param heightIntrinsic Whether the host height is intrinsic or not.\r\n */\r\n const fixFlexboxGlue = (\r\n viewportOverflowState: ViewportOverflowState,\r\n heightIntrinsic: boolean\r\n ) => {\r\n style(_viewport, {\r\n height: '',\r\n });\r\n\r\n if (heightIntrinsic) {\r\n const { _paddingAbsolute, _padding: padding } = getState();\r\n const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;\r\n const fSize = fractionalSize(_host);\r\n const hostClientSize = clientSize(_host);\r\n\r\n // padding subtraction is only needed if padding is absolute or if viewport is content-box\r\n const isContentBox = style(_viewport, 'boxSizing') === 'content-box';\r\n const paddingVertical = _paddingAbsolute || isContentBox ? padding.b + padding.t : 0;\r\n const subtractXScrollbar = !(_nativeScrollbarsOverlaid.x && isContentBox);\r\n\r\n style(_viewport, {\r\n height:\r\n hostClientSize.h +\r\n fSize.h +\r\n (_overflowScroll.x && subtractXScrollbar ? _scrollbarsHideOffset.x : 0) -\r\n paddingVertical,\r\n });\r\n }\r\n };\r\n\r\n /**\r\n * Gets the current overflow state of the viewport.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param viewportStyleObj The viewport style object where the overflow scroll property can be read of, or undefined if shall be determined.\r\n * @returns A object which contains informations about the current overflow state.\r\n */\r\n const getViewportOverflowState: GetViewportOverflowState = (\r\n showNativeOverlaidScrollbars,\r\n viewportStyleObj?\r\n ) => {\r\n const arrangeHideOffset =\r\n !_nativeScrollbarsHiding && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;\r\n const getStatePerAxis = (\r\n styleKey: string,\r\n isOverlaid: boolean,\r\n nativeScrollbarSize: number\r\n ) => {\r\n const overflowStyle = style(_viewport, styleKey);\r\n // can't do something like \"viewportStyleObj && viewportStyleObj[styleKey] || overflowStyle\" here!\r\n const objectPrefferedOverflowStyle = viewportStyleObj\r\n ? viewportStyleObj[styleKey]\r\n : overflowStyle;\r\n const overflowScroll = objectPrefferedOverflowStyle === 'scroll';\r\n const nonScrollbarStylingHideOffset = isOverlaid ? arrangeHideOffset : nativeScrollbarSize;\r\n const scrollbarsHideOffset =\r\n overflowScroll && !_nativeScrollbarsHiding ? nonScrollbarStylingHideOffset : 0;\r\n const scrollbarsHideOffsetArrange = isOverlaid && !!arrangeHideOffset;\r\n\r\n return [overflowStyle, overflowScroll, scrollbarsHideOffset, scrollbarsHideOffsetArrange] as [\r\n overflowStyle: OverflowStyle,\r\n overflowScroll: boolean,\r\n scrollbarsHideOffset: number,\r\n scrollbarsHideOffsetArrange: boolean\r\n ];\r\n };\r\n\r\n const [xOverflowStyle, xOverflowScroll, xScrollbarsHideOffset, xScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowX', _nativeScrollbarsOverlaid.x, _nativeScrollbarsSize.x);\r\n const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowY', _nativeScrollbarsOverlaid.y, _nativeScrollbarsSize.y);\r\n\r\n return {\r\n _overflowStyle: {\r\n x: xOverflowStyle,\r\n y: yOverflowStyle,\r\n },\r\n _overflowScroll: {\r\n x: xOverflowScroll,\r\n y: yOverflowScroll,\r\n },\r\n _scrollbarsHideOffset: {\r\n x: xScrollbarsHideOffset,\r\n y: yScrollbarsHideOffset,\r\n },\r\n _scrollbarsHideOffsetArrange: {\r\n x: xScrollbarsHideOffsetArrange,\r\n y: yScrollbarsHideOffsetArrange,\r\n },\r\n };\r\n };\r\n\r\n /**\r\n * Sets the overflow property of the viewport and calculates the a overflow state according to the new parameters.\r\n * @param showNativeOverlaidScrollbars Whether to show natively overlaid scrollbars.\r\n * @param overflowAmount The overflow amount.\r\n * @param overflow The overflow behavior according to the options.\r\n * @param viewportStyleObj The viewport style object to which the overflow style shall be applied.\r\n * @returns A object which represents the newly set overflow state.\r\n */\r\n const setViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n hasOverflow: XY,\r\n overflowOption: XY,\r\n viewportStyleObj: StyleObject\r\n ): ViewportOverflowState => {\r\n const setAxisOverflowStyle = (behavior: OverflowBehavior, hasOverflowAxis: boolean) => {\r\n const overflowVisible = overflowIsVisible(behavior);\r\n const overflowVisibleBehavior =\r\n (hasOverflowAxis && overflowVisible && behavior.replace(`${strVisible}-`, '')) || '';\r\n return [\r\n hasOverflowAxis && !overflowVisible ? behavior : '',\r\n overflowIsVisible(overflowVisibleBehavior) ? 'hidden' : overflowVisibleBehavior,\r\n ];\r\n };\r\n\r\n const [overflowX, visibleBehaviorX] = setAxisOverflowStyle(overflowOption.x, hasOverflow.x);\r\n const [overflowY, visibleBehaviorY] = setAxisOverflowStyle(overflowOption.y, hasOverflow.y);\r\n\r\n viewportStyleObj.overflowX = visibleBehaviorX && overflowY ? visibleBehaviorX : overflowX;\r\n viewportStyleObj.overflowY = visibleBehaviorY && overflowX ? visibleBehaviorY : overflowY;\r\n\r\n return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);\r\n };\r\n\r\n /**\r\n * Hides the native scrollbars according to the passed parameters.\r\n * @param viewportOverflowState The viewport overflow state.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportArrange Whether special styles related to the viewport arrange strategy shall be applied.\r\n * @param viewportStyleObj The viewport style object to which the needed styles shall be applied.\r\n */\r\n const hideNativeScrollbars: HideNativeScrollbars = (\r\n viewportOverflowState,\r\n directionIsRTL,\r\n viewportArrange,\r\n viewportStyleObj\r\n ) => {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = getState();\r\n const horizontalMarginKey: keyof StyleObject = directionIsRTL ? 'marginLeft' : 'marginRight';\r\n const viewportHorizontalPaddingKey: keyof StyleObject = directionIsRTL\r\n ? 'paddingLeft'\r\n : 'paddingRight';\r\n const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey] as number;\r\n const verticalMarginValue = viewportPaddingStyle.marginBottom as number;\r\n const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey] as number;\r\n const verticalPaddingValue = viewportPaddingStyle.paddingBottom as number;\r\n\r\n // horizontal\r\n viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;\r\n viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;\r\n\r\n // vertical\r\n viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;\r\n\r\n // viewport arrange additional styles\r\n if (viewportArrange) {\r\n viewportStyleObj[viewportHorizontalPaddingKey] =\r\n horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);\r\n viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);\r\n }\r\n };\r\n\r\n const [arrangeViewport, undoViewportArrange] = scrollbarsHidingPlugin\r\n ? scrollbarsHidingPlugin._overflowUpdateSegment(\r\n doViewportArrange,\r\n _flexboxGlue,\r\n _viewport,\r\n _viewportArrange,\r\n getState,\r\n getViewportOverflowState,\r\n hideNativeScrollbars\r\n )\r\n : [(() => doViewportArrange) as ArrangeViewport, (() => [noop]) as UndoArrangeViewport];\r\n\r\n return (updateHints, checkOption, force) => {\r\n const {\r\n _sizeChanged,\r\n _hostMutation,\r\n _contentMutation,\r\n _paddingStyleChanged,\r\n _heightIntrinsicChanged,\r\n _directionChanged,\r\n } = updateHints;\r\n const { _heightIntrinsic, _directionIsRTL } = getState();\r\n const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] =\r\n checkOption('nativeScrollbarsOverlaid.show');\r\n const [overflow, overflowChanged] = checkOption>('overflow');\r\n\r\n const showNativeOverlaidScrollbars =\r\n showNativeOverlaidScrollbarsOption &&\r\n _nativeScrollbarsOverlaid.x &&\r\n _nativeScrollbarsOverlaid.y;\r\n const adjustFlexboxGlue =\r\n !_viewportIsTarget &&\r\n !_flexboxGlue &&\r\n (_sizeChanged ||\r\n _contentMutation ||\r\n _hostMutation ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n _heightIntrinsicChanged);\r\n const overflowXVisible = overflowIsVisible(overflow.x);\r\n const overflowYVisible = overflowIsVisible(overflow.y);\r\n const overflowVisible = overflowXVisible || overflowYVisible;\r\n\r\n let sizeFractionCache = getCurrentSizeFraction(force);\r\n let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);\r\n let overflowAmuntCache = getCurrentOverflowAmountCache(force);\r\n let overflowEdgeCache = getCurrentOverflowEdgeCache(force);\r\n\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarsHiding) {\r\n _viewportAddRemoveClass(\r\n classNameViewportScrollbarStyling,\r\n dataValueHostViewportScrollbarStyling,\r\n !showNativeOverlaidScrollbars\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);\r\n fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (\r\n _sizeChanged ||\r\n _paddingStyleChanged ||\r\n _contentMutation ||\r\n _directionChanged ||\r\n showNativeOverlaidScrollbarsChanged\r\n ) {\r\n if (overflowVisible) {\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, false);\r\n }\r\n\r\n const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(\r\n showNativeOverlaidScrollbars,\r\n _directionIsRTL,\r\n preMeasureViewportOverflowState\r\n );\r\n const [sizeFraction, sizeFractionChanged] = (sizeFractionCache = updateSizeFraction(force));\r\n const [viewportScrollSize, viewportScrollSizeChanged] = (viewportScrollSizeCache =\r\n updateViewportScrollSizeCache(force));\r\n const viewportclientSize = clientSize(_viewport);\r\n let arrangedViewportScrollSize = viewportScrollSize;\r\n let arrangedViewportClientSize = viewportclientSize;\r\n\r\n redoViewportArrange();\r\n\r\n // if re measure is required (only required if content arrange strategy is used)\r\n if (\r\n (viewportScrollSizeChanged || sizeFractionChanged || showNativeOverlaidScrollbarsChanged) &&\r\n undoViewportArrangeOverflowState &&\r\n !showNativeOverlaidScrollbars &&\r\n arrangeViewport(\r\n undoViewportArrangeOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n )\r\n ) {\r\n arrangedViewportClientSize = clientSize(_viewport);\r\n arrangedViewportScrollSize = scrollSize(_viewport);\r\n }\r\n\r\n const overflowAmountScrollSize = {\r\n w: max0(max(viewportScrollSize.w, arrangedViewportScrollSize.w) + sizeFraction.w),\r\n h: max0(max(viewportScrollSize.h, arrangedViewportScrollSize.h) + sizeFraction.h),\r\n };\r\n const overflowAmountClientSize = {\r\n w: max0(\r\n arrangedViewportClientSize.w +\r\n max0(viewportclientSize.w - viewportScrollSize.w) +\r\n sizeFraction.w\r\n ),\r\n h: max0(\r\n arrangedViewportClientSize.h +\r\n max0(viewportclientSize.h - viewportScrollSize.h) +\r\n sizeFraction.h\r\n ),\r\n };\r\n\r\n overflowEdgeCache = updateOverflowEdge(overflowAmountClientSize);\r\n overflowAmuntCache = updateOverflowAmountCache(\r\n getOverflowAmount(overflowAmountScrollSize, overflowAmountClientSize),\r\n force\r\n );\r\n }\r\n\r\n const [overflowEdge, overflowEdgeChanged] = overflowEdgeCache;\r\n const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;\r\n const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;\r\n const [sizeFraction, sizeFractionChanged] = sizeFractionCache;\r\n const hasOverflow = {\r\n x: overflowAmount.w > 0,\r\n y: overflowAmount.h > 0,\r\n };\r\n const removeClipping =\r\n (overflowXVisible && overflowYVisible && (hasOverflow.x || hasOverflow.y)) ||\r\n (overflowXVisible && hasOverflow.x && !hasOverflow.y) ||\r\n (overflowYVisible && hasOverflow.y && !hasOverflow.x);\r\n\r\n if (\r\n _paddingStyleChanged ||\r\n _directionChanged ||\r\n sizeFractionChanged ||\r\n viewportScrollSizeChanged ||\r\n overflowEdgeChanged ||\r\n overflowAmountChanged ||\r\n overflowChanged ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n adjustFlexboxGlue\r\n ) {\r\n const viewportStyle: StyleObject = {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n width: '',\r\n overflowY: '',\r\n overflowX: '',\r\n };\r\n const viewportOverflowState = setViewportOverflowState(\r\n showNativeOverlaidScrollbars,\r\n hasOverflow,\r\n overflow,\r\n viewportStyle\r\n );\r\n const viewportArranged = arrangeViewport(\r\n viewportOverflowState,\r\n viewportScrollSize,\r\n sizeFraction,\r\n _directionIsRTL\r\n );\r\n\r\n if (!_viewportIsTarget) {\r\n hideNativeScrollbars(\r\n viewportOverflowState,\r\n _directionIsRTL,\r\n viewportArranged,\r\n viewportStyle\r\n );\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n fixFlexboxGlue(viewportOverflowState, _heightIntrinsic);\r\n }\r\n\r\n if (_viewportIsTarget) {\r\n attr(_host, dataAttributeHostOverflowX, viewportStyle.overflowX as string);\r\n attr(_host, dataAttributeHostOverflowY, viewportStyle.overflowY as string);\r\n } else {\r\n style(_viewport, viewportStyle);\r\n }\r\n }\r\n\r\n attrClass(_host, dataAttributeHost, dataValueHostOverflowVisible, removeClipping);\r\n conditionalClass(_padding, classNameOverflowVisible, removeClipping);\r\n !_viewportIsTarget && conditionalClass(_viewport, classNameOverflowVisible, overflowVisible);\r\n\r\n const [overflowStyle, overflowStyleChanged] = updateOverflowStyleCache(\r\n getViewportOverflowState(showNativeOverlaidScrollbars)._overflowStyle\r\n );\r\n\r\n setState({\r\n _overflowStyle: overflowStyle,\r\n _overflowEdge: {\r\n x: overflowEdge.w,\r\n y: overflowEdge.h,\r\n },\r\n _overflowAmount: {\r\n x: overflowAmount.w,\r\n y: overflowAmount.h,\r\n },\r\n _hasOverflow: hasOverflow,\r\n });\r\n\r\n return {\r\n _overflowStyleChanged: overflowStyleChanged,\r\n _overflowEdgeChanged: overflowEdgeChanged,\r\n _overflowAmountChanged: overflowAmountChanged,\r\n };\r\n };\r\n};\r\n","import { each, scrollLeft, scrollTop, assignDeep, keys } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n createTrinsicUpdateSegment,\r\n createPaddingUpdateSegment,\r\n createOverflowUpdateSegment,\r\n} from 'setups/structureSetup/updateSegments';\r\nimport type { SetupState, SetupUpdateSegment, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\n\r\nexport type CreateStructureUpdateSegment = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n) => StructureSetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdateSegment = SetupUpdateSegment;\r\n\r\nexport type StructureSetupUpdate = (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n) => StructureSetupUpdateHints;\r\n\r\nexport interface StructureSetupUpdateHints {\r\n _sizeChanged: boolean;\r\n _directionChanged: boolean;\r\n _heightIntrinsicChanged: boolean;\r\n _overflowEdgeChanged: boolean;\r\n _overflowAmountChanged: boolean;\r\n _overflowStyleChanged: boolean;\r\n _paddingStyleChanged: boolean;\r\n _hostMutation: boolean;\r\n _contentMutation: boolean;\r\n}\r\n\r\nconst prepareUpdateHints = (\r\n leading: Required,\r\n adaptive?: Partial,\r\n force?: boolean\r\n): Required => {\r\n const result = {};\r\n const finalAdaptive = adaptive || {};\r\n const objKeys = keys(leading).concat(keys(finalAdaptive));\r\n\r\n each(objKeys, (key) => {\r\n const leadingValue = leading[key];\r\n const adaptiveValue = finalAdaptive[key];\r\n result[key] = !!(force || leadingValue || adaptiveValue);\r\n });\r\n\r\n return result as Required;\r\n};\r\n\r\nexport const createStructureSetupUpdate = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState\r\n): StructureSetupUpdate => {\r\n const { _viewport } = structureSetupElements;\r\n const {\r\n _nativeScrollbarsHiding: _nativeScrollbarStyling,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _flexboxGlue,\r\n } = getEnvironment();\r\n const doViewportArrange =\r\n !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n\r\n const updateSegments: StructureSetupUpdateSegment[] = [\r\n createTrinsicUpdateSegment(structureSetupElements, state),\r\n createPaddingUpdateSegment(structureSetupElements, state),\r\n createOverflowUpdateSegment(structureSetupElements, state),\r\n ];\r\n\r\n return (\r\n checkOption: SetupUpdateCheckOption,\r\n updateHints: Partial,\r\n force?: boolean\r\n ) => {\r\n const initialUpdateHints = prepareUpdateHints(\r\n assignDeep(\r\n {\r\n _sizeChanged: false,\r\n _paddingStyleChanged: false,\r\n _directionChanged: false,\r\n _heightIntrinsicChanged: false,\r\n _overflowEdgeChanged: false,\r\n _overflowAmountChanged: false,\r\n _overflowStyleChanged: false,\r\n _hostMutation: false,\r\n _contentMutation: false,\r\n },\r\n updateHints\r\n ),\r\n {},\r\n force\r\n );\r\n const adjustScrollOffset = doViewportArrange || !_flexboxGlue;\r\n const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);\r\n const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);\r\n\r\n let adaptivedUpdateHints: Required = initialUpdateHints;\r\n each(updateSegments, (updateSegment) => {\r\n adaptivedUpdateHints = prepareUpdateHints(\r\n adaptivedUpdateHints,\r\n updateSegment(adaptivedUpdateHints, checkOption, !!force) || {},\r\n force\r\n );\r\n });\r\n\r\n scrollLeft(_viewport, scrollOffsetX);\r\n scrollTop(_viewport, scrollOffsetY);\r\n\r\n return adaptivedUpdateHints;\r\n };\r\n};\r\n","import {\r\n Cache,\r\n CacheValues,\r\n createCache,\r\n createDOM,\r\n style,\r\n scrollLeft,\r\n scrollTop,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n addClass,\r\n push,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n isObject,\r\n stopPropagation,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n} from 'classnames';\r\nimport { getPlugins, SizeObserverPluginInstance, sizeObserverPluginName } from 'plugins';\r\n\r\nexport interface SizeObserverOptions {\r\n _direction?: boolean;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserverCallbackParams {\r\n _sizeChanged: boolean;\r\n _directionIsRTLCache?: CacheValues;\r\n _appear?: boolean;\r\n}\r\n\r\nexport type DestroySizeObserver = () => void;\r\n\r\nconst scrollAmount = 3333333;\r\nconst getElmDirectionIsRTL = (elm: HTMLElement): boolean => style(elm, 'direction') === 'rtl';\r\nconst domRectHasDimensions = (rect?: DOMRectReadOnly) => rect && (rect.height || rect.width);\r\n\r\n/**\r\n * Creates a size observer which observes any size, padding, border, margin and box-sizing changes of the target element. Depending on the options also direction and appear can be observed.\r\n * @param target The target element which shall be observed.\r\n * @param onSizeChangedCallback The callback which gets called after a size change was detected.\r\n * @param options The options for size detection, whether to observe also direction and appear.\r\n * @returns A object which represents the instance of the size observer.\r\n */\r\nexport const createSizeObserver = (\r\n target: HTMLElement,\r\n onSizeChangedCallback: (params: SizeObserverCallbackParams) => any,\r\n options?: SizeObserverOptions\r\n): DestroySizeObserver => {\r\n const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } =\r\n options || {};\r\n const sizeObserverPlugin = getPlugins()[sizeObserverPluginName] as\r\n | SizeObserverPluginInstance\r\n | undefined;\r\n const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();\r\n const baseElements = createDOM(\r\n `
`\r\n );\r\n const sizeObserver = baseElements[0] as HTMLElement;\r\n const listenerElement = sizeObserver.firstChild as HTMLElement;\r\n const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);\r\n const [updateResizeObserverContentRectCache] = createCache({\r\n _initialValue: undefined,\r\n _alwaysUpdateValues: true,\r\n _equal: (currVal, newVal) =>\r\n !(\r\n !currVal || // if no initial value\r\n // if from display: none to display: block\r\n (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))\r\n ),\r\n });\r\n const onSizeChangedCallbackProxy = (\r\n sizeChangedContext?: CacheValues | ResizeObserverEntry[] | Event | boolean\r\n ) => {\r\n const isResizeObserverCall =\r\n isArray(sizeChangedContext) &&\r\n sizeChangedContext.length > 0 &&\r\n isObject(sizeChangedContext[0]);\r\n\r\n const hasDirectionCache =\r\n !isResizeObserverCall && isBoolean((sizeChangedContext as CacheValues)[0]);\r\n\r\n let skip = false;\r\n let appear: boolean | number | undefined = false;\r\n let doDirectionScroll = true; // always true if sizeChangedContext is Event (appear callback or RO. Polyfill)\r\n\r\n // if triggered from RO.\r\n if (isResizeObserverCall) {\r\n const [currRContentRect, , prevContentRect] = updateResizeObserverContentRectCache(\r\n (sizeChangedContext as ResizeObserverEntry[]).pop()!.contentRect\r\n );\r\n const hasDimensions = domRectHasDimensions(currRContentRect);\r\n const hadDimensions = domRectHasDimensions(prevContentRect);\r\n skip = !prevContentRect || !hasDimensions; // skip on initial RO. call or if display is none\r\n appear = !hadDimensions && hasDimensions;\r\n\r\n doDirectionScroll = !skip; // direction scroll when not skipping\r\n }\r\n // else if its triggered with DirectionCache\r\n else if (hasDirectionCache) {\r\n [, doDirectionScroll] = sizeChangedContext as CacheValues; // direction scroll when DirectionCache changed, false otherwise\r\n }\r\n // else if it triggered with appear from polyfill\r\n else {\r\n appear = sizeChangedContext === true;\r\n }\r\n\r\n if (observeDirectionChange && doDirectionScroll) {\r\n const rtl = hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)[0]\r\n : getElmDirectionIsRTL(sizeObserver);\r\n scrollLeft(\r\n sizeObserver,\r\n rtl\r\n ? rtlScrollBehavior.n\r\n ? -scrollAmount\r\n : rtlScrollBehavior.i\r\n ? 0\r\n : scrollAmount\r\n : scrollAmount\r\n );\r\n scrollTop(sizeObserver, scrollAmount);\r\n }\r\n\r\n if (!skip) {\r\n onSizeChangedCallback({\r\n _sizeChanged: !hasDirectionCache,\r\n _directionIsRTLCache: hasDirectionCache\r\n ? (sizeChangedContext as CacheValues)\r\n : undefined,\r\n _appear: !!appear,\r\n });\r\n }\r\n };\r\n const offListeners: (() => void)[] = [];\r\n let appearCallback: ((...args: any) => any) | false = observeAppearChange\r\n ? onSizeChangedCallbackProxy\r\n : false;\r\n let directionIsRTLCache: Cache | undefined;\r\n\r\n if (ResizeObserverConstructor) {\r\n const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);\r\n resizeObserverInstance.observe(listenerElement);\r\n push(offListeners, () => {\r\n resizeObserverInstance.disconnect();\r\n });\r\n } else if (sizeObserverPlugin) {\r\n const [pluginAppearCallback, pluginOffListeners] = sizeObserverPlugin._(\r\n listenerElement,\r\n onSizeChangedCallbackProxy,\r\n observeAppearChange\r\n );\r\n appearCallback = pluginAppearCallback;\r\n push(offListeners, pluginOffListeners);\r\n }\r\n\r\n if (observeDirectionChange) {\r\n directionIsRTLCache = createCache(\r\n {\r\n _initialValue: !getIsDirectionRTL(), // invert current value to trigger initial change\r\n },\r\n getIsDirectionRTL\r\n );\r\n const [updateDirectionIsRTLCache] = directionIsRTLCache;\r\n\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'scroll', (event: Event) => {\r\n const directionIsRTLCacheValues = updateDirectionIsRTLCache();\r\n const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;\r\n\r\n if (directionIsRTLChanged) {\r\n removeClass(listenerElement, 'ltr rtl');\r\n if (directionIsRTL) {\r\n addClass(listenerElement, 'rtl');\r\n } else {\r\n addClass(listenerElement, 'ltr');\r\n }\r\n onSizeChangedCallbackProxy(directionIsRTLCacheValues);\r\n }\r\n\r\n stopPropagation(event);\r\n })\r\n );\r\n }\r\n\r\n // appearCallback is always needed on scroll-observer strategy to reset it\r\n if (appearCallback) {\r\n addClass(sizeObserver, classNameSizeObserverAppear);\r\n push(\r\n offListeners,\r\n on(sizeObserver, 'animationstart', appearCallback, {\r\n // Fire only once for \"CSS is ready\" event if ResizeObserver strategy is used\r\n _once: !!ResizeObserverConstructor,\r\n })\r\n );\r\n }\r\n\r\n prependChildren(target, sizeObserver);\r\n\r\n return () => {\r\n runEachAndClear(offListeners);\r\n removeElements(sizeObserver);\r\n };\r\n};\r\n","import {\r\n WH,\r\n CacheValues,\r\n createDiv,\r\n offsetSize,\r\n runEachAndClear,\r\n prependChildren,\r\n removeElements,\r\n createCache,\r\n push,\r\n IntersectionObserverConstructor,\r\n} from 'support';\r\nimport { createSizeObserver } from 'observers/sizeObserver';\r\nimport { classNameTrinsicObserver } from 'classnames';\r\n\r\nexport type TrinsicObserverCallback = (heightIntrinsic: CacheValues) => any;\r\nexport type TrinsicObserver = [\r\n destroy: () => void,\r\n update: () => void | Parameters\r\n];\r\n\r\nconst isHeightIntrinsic = (ioEntryOrSize: IntersectionObserverEntry | WH): boolean =>\r\n (ioEntryOrSize as WH).h === 0 ||\r\n (ioEntryOrSize as IntersectionObserverEntry).isIntersecting ||\r\n (ioEntryOrSize as IntersectionObserverEntry).intersectionRatio > 0;\r\n\r\n/**\r\n * Creates a trinsic observer which observes changes to intrinsic or extrinsic sizing for the height of the target element.\r\n * @param target The element which shall be observed.\r\n * @param onTrinsicChangedCallback The callback which gets called after a change was detected.\r\n * @returns A object which represents the instance of the trinsic observer.\r\n */\r\nexport const createTrinsicObserver = (\r\n target: HTMLElement,\r\n onTrinsicChangedCallback: TrinsicObserverCallback\r\n): TrinsicObserver => {\r\n let intersectionObserverInstance: undefined | IntersectionObserver;\r\n const trinsicObserver = createDiv(classNameTrinsicObserver);\r\n const offListeners: (() => void)[] = [];\r\n const [updateHeightIntrinsicCache] = createCache({\r\n _initialValue: false,\r\n });\r\n const triggerOnTrinsicChangedCallback = (\r\n updateValue?: IntersectionObserverEntry | WH,\r\n fromRecords?: true\r\n ): void | Parameters => {\r\n if (updateValue) {\r\n const heightIntrinsic = updateHeightIntrinsicCache(isHeightIntrinsic(updateValue));\r\n const [, heightIntrinsicChanged] = heightIntrinsic;\r\n\r\n if (heightIntrinsicChanged) {\r\n !fromRecords && onTrinsicChangedCallback(heightIntrinsic);\r\n return [heightIntrinsic];\r\n }\r\n }\r\n };\r\n const intersectionObserverCallback = (\r\n entries: IntersectionObserverEntry[],\r\n fromRecords?: true\r\n ) => {\r\n if (entries && entries.length > 0) {\r\n return triggerOnTrinsicChangedCallback(entries.pop(), fromRecords);\r\n }\r\n };\r\n\r\n if (IntersectionObserverConstructor) {\r\n intersectionObserverInstance = new IntersectionObserverConstructor(\r\n (entries) => intersectionObserverCallback(entries),\r\n { root: target }\r\n );\r\n intersectionObserverInstance.observe(trinsicObserver);\r\n push(offListeners, () => {\r\n intersectionObserverInstance!.disconnect();\r\n });\r\n } else {\r\n const onSizeChanged = () => {\r\n const newSize = offsetSize(trinsicObserver);\r\n triggerOnTrinsicChangedCallback(newSize);\r\n };\r\n push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged));\r\n onSizeChanged();\r\n }\r\n\r\n prependChildren(target, trinsicObserver);\r\n\r\n return [\r\n () => {\r\n runEachAndClear(offListeners);\r\n removeElements(trinsicObserver);\r\n },\r\n () => {\r\n if (intersectionObserverInstance) {\r\n return intersectionObserverCallback(intersectionObserverInstance.takeRecords(), true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n each,\r\n noop,\r\n debounce,\r\n indexOf,\r\n isString,\r\n MutationObserverConstructor,\r\n isEmptyArray,\r\n on,\r\n attr,\r\n is,\r\n find,\r\n push,\r\n} from 'support';\r\n\r\ntype DOMContentObserverCallback = (contentChangedTroughEvent: boolean) => any;\r\n\r\ntype DOMTargetObserverCallback = (targetChangedAttrs: string[], targetStyleChanged: boolean) => any;\r\n\r\ninterface DOMObserverOptionsBase {\r\n _attributes?: string[];\r\n _styleChangingAttributes?: string[];\r\n /**\r\n * A function which can ignore a changed attribute if it returns true.\r\n * for DOMTargetObserver this applies to the changes to the observed target\r\n * for DOMContentObserver this applies to changes to nested targets -> nested targets are elements which match the \"_nestedTargetSelector\" selector\r\n */\r\n _ignoreTargetChange?: DOMObserverIgnoreTargetChange;\r\n}\r\n\r\ninterface DOMContentObserverOptions extends DOMObserverOptionsBase {\r\n _eventContentChange?: DOMObserverEventContentChange; // [selector, eventname(s) | function returning eventname(s)] -> eventnames divided by whitespaces\r\n _nestedTargetSelector?: string;\r\n _ignoreContentChange?: DOMObserverIgnoreContentChange; // function which will prevent marking certain dom changes as content change if it returns true\r\n}\r\n\r\ntype DOMTargetObserverOptions = DOMObserverOptionsBase;\r\n\r\ntype ContentChangeArrayItem = [selector?: string, eventNames?: string] | null | undefined;\r\n\r\nexport type DOMObserverEventContentChange =\r\n | Array\r\n | false\r\n | null\r\n | undefined;\r\n\r\nexport type DOMObserverIgnoreContentChange = (\r\n mutation: MutationRecord,\r\n isNestedTarget: boolean,\r\n domObserverTarget: HTMLElement,\r\n domObserverOptions?: DOMContentObserverOptions\r\n) => boolean;\r\n\r\nexport type DOMObserverIgnoreTargetChange = (\r\n target: Node,\r\n attributeName: string,\r\n oldAttributeValue: string | null,\r\n newAttributeValue: string | null\r\n) => boolean;\r\n\r\nexport type DOMObserverCallback = ContentObserver extends true\r\n ? DOMContentObserverCallback\r\n : DOMTargetObserverCallback;\r\n\r\nexport type DOMObserverOptions = ContentObserver extends true\r\n ? DOMContentObserverOptions\r\n : DOMTargetObserverOptions;\r\n\r\nexport type DOMObserver = [\r\n destroy: () => void,\r\n update: () => void | false | Parameters>\r\n];\r\n\r\ntype EventContentChangeUpdateElement = (getElements?: (selector: string) => Node[]) => void;\r\ntype EventContentChange = [destroy: () => void, updateElements: EventContentChangeUpdateElement];\r\n\r\n/**\r\n * Creates a set of helper functions to observe events of elements inside the target element.\r\n * @param target The target element of which the children elements shall be observed. (not only direct children but also nested ones)\r\n * @param eventContentChange The event content change array. (array of tuples: selector and eventname(s))\r\n * @param callback Callback which is called if one of the elements emits the corresponding event.\r\n * @returns A object which contains a set of helper functions to destroy and update the observation of elements.\r\n */\r\nconst createEventContentChange = (\r\n target: Element,\r\n callback: (...args: any) => any,\r\n eventContentChange?: DOMObserverEventContentChange\r\n): EventContentChange => {\r\n let map: WeakMap any]> | undefined; // weak map to prevent memory leak for detached elements\r\n let destroyed = false;\r\n const destroy = () => {\r\n destroyed = true;\r\n };\r\n const updateElements: EventContentChangeUpdateElement = (getElements?) => {\r\n if (eventContentChange) {\r\n const eventElmList = eventContentChange.reduce>((arr, item) => {\r\n if (item) {\r\n const selector = item[0];\r\n const eventNames = item[1];\r\n const elements =\r\n eventNames &&\r\n selector &&\r\n (getElements ? getElements(selector) : find(selector, target));\r\n\r\n if (elements && elements.length && eventNames && isString(eventNames)) {\r\n push(arr, [elements, eventNames.trim()], true);\r\n }\r\n }\r\n return arr;\r\n }, []);\r\n\r\n each(eventElmList, (item) =>\r\n each(item[0], (elm) => {\r\n const eventNames = item[1];\r\n const entry = map!.get(elm);\r\n\r\n if (entry) {\r\n const entryEventNames = entry[0];\r\n const entryOff = entry[1];\r\n\r\n // in case an already registered element is registered again, unregister the previous events\r\n if (entryEventNames === eventNames) {\r\n entryOff();\r\n }\r\n }\r\n\r\n const off = on(elm, eventNames, (event: Event) => {\r\n if (destroyed) {\r\n off();\r\n map!.delete(elm);\r\n } else {\r\n callback(event);\r\n }\r\n });\r\n map!.set(elm, [eventNames, off]);\r\n })\r\n );\r\n }\r\n };\r\n\r\n if (eventContentChange) {\r\n map = new WeakMap();\r\n updateElements();\r\n }\r\n\r\n return [destroy, updateElements];\r\n};\r\n\r\n/**\r\n * Creates a DOM observer which observes DOM changes to either the target element or its children.\r\n * @param target The element which shall be observed.\r\n * @param isContentObserver Whether this observer is just observing the target or just the targets children. (not only direct children but also nested ones)\r\n * @param callback The callback which gets called if a change was detected.\r\n * @param options The options for DOM change detection.\r\n * @returns A object which represents the instance of the DOM observer.\r\n */\r\nexport const createDOMObserver = (\r\n target: HTMLElement,\r\n isContentObserver: ContentObserver,\r\n callback: DOMObserverCallback,\r\n options?: DOMObserverOptions\r\n): DOMObserver => {\r\n let isConnected = false;\r\n const {\r\n _attributes,\r\n _styleChangingAttributes,\r\n _eventContentChange,\r\n _nestedTargetSelector,\r\n _ignoreTargetChange,\r\n _ignoreContentChange,\r\n } = (options as DOMContentObserverOptions & DOMTargetObserverOptions) || {};\r\n const debouncedEventContentChange = debounce(\r\n () => {\r\n if (isConnected) {\r\n (callback as DOMContentObserverCallback)(true);\r\n }\r\n },\r\n { _timeout: 33, _maxDelay: 99 }\r\n );\r\n const [destroyEventContentChange, updateEventContentChangeElements] = createEventContentChange(\r\n target,\r\n debouncedEventContentChange,\r\n _eventContentChange\r\n );\r\n\r\n // MutationObserver\r\n const finalAttributes = _attributes || [];\r\n const finalStyleChangingAttributes = _styleChangingAttributes || [];\r\n const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);\r\n const observerCallback = (\r\n mutations: MutationRecord[],\r\n fromRecords?: true\r\n ): void | Parameters> => {\r\n const ignoreTargetChange = _ignoreTargetChange || noop;\r\n const ignoreContentChange = _ignoreContentChange || noop;\r\n const targetChangedAttrs: string[] = [];\r\n const totalAddedNodes: Node[] = [];\r\n let targetStyleChanged = false;\r\n let contentChanged = false;\r\n let childListChanged = false;\r\n each(mutations, (mutation) => {\r\n const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;\r\n const isAttributesType = type === 'attributes';\r\n const isChildListType = type === 'childList';\r\n const targetIsMutationTarget = target === mutationTarget;\r\n const attributeValue =\r\n isAttributesType && isString(attributeName)\r\n ? attr(mutationTarget as HTMLElement, attributeName!)\r\n : 0;\r\n const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;\r\n const styleChangingAttrChanged =\r\n indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;\r\n\r\n // if is content observer and something changed in children\r\n if (isContentObserver && !targetIsMutationTarget) {\r\n const notOnlyAttrChanged = !isAttributesType;\r\n const contentAttrChanged = isAttributesType && styleChangingAttrChanged;\r\n const isNestedTarget =\r\n contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);\r\n const baseAssertion = isNestedTarget\r\n ? !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n : notOnlyAttrChanged || contentAttrChanged;\r\n const contentFinalChanged =\r\n baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);\r\n\r\n push(totalAddedNodes, addedNodes);\r\n\r\n contentChanged = contentChanged || contentFinalChanged;\r\n childListChanged = childListChanged || isChildListType;\r\n }\r\n // if is target observer and target attr changed\r\n if (\r\n !isContentObserver &&\r\n targetIsMutationTarget &&\r\n attributeChanged &&\r\n !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue)\r\n ) {\r\n push(targetChangedAttrs, attributeName!);\r\n targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;\r\n }\r\n });\r\n\r\n if (childListChanged && !isEmptyArray(totalAddedNodes)) {\r\n // adds / removes the new elements from the event content change\r\n updateEventContentChangeElements((selector) =>\r\n totalAddedNodes.reduce((arr, node) => {\r\n push(arr, find(selector, node));\r\n return is(node, selector) ? push(arr, node) : arr;\r\n }, [])\r\n );\r\n }\r\n\r\n if (isContentObserver) {\r\n !fromRecords && contentChanged && (callback as DOMContentObserverCallback)(false);\r\n return [false] as Parameters>;\r\n }\r\n if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {\r\n !fromRecords &&\r\n (callback as DOMTargetObserverCallback)(targetChangedAttrs, targetStyleChanged);\r\n return [targetChangedAttrs, targetStyleChanged] as Parameters<\r\n DOMObserverCallback\r\n >;\r\n }\r\n };\r\n const mutationObserver: MutationObserver = new MutationObserverConstructor!((mutations) =>\r\n observerCallback(mutations)\r\n );\r\n\r\n // Connect\r\n mutationObserver.observe(target, {\r\n attributes: true,\r\n attributeOldValue: true,\r\n attributeFilter: observedAttributes,\r\n subtree: isContentObserver,\r\n childList: isContentObserver,\r\n characterData: isContentObserver,\r\n });\r\n isConnected = true;\r\n\r\n return [\r\n () => {\r\n if (isConnected) {\r\n destroyEventContentChange();\r\n mutationObserver.disconnect();\r\n isConnected = false;\r\n }\r\n },\r\n () => {\r\n if (isConnected) {\r\n debouncedEventContentChange._flush();\r\n\r\n const records = mutationObserver.takeRecords();\r\n return !isEmptyArray(records) && observerCallback(records, true);\r\n }\r\n },\r\n ];\r\n};\r\n","import {\r\n debounce,\r\n isArray,\r\n isNumber,\r\n each,\r\n indexOf,\r\n isString,\r\n attr,\r\n removeAttr,\r\n CacheValues,\r\n keys,\r\n liesBetween,\r\n scrollSize,\r\n equalWH,\r\n createCache,\r\n WH,\r\n fractionalSize,\r\n isFunction,\r\n ResizeObserverConstructor,\r\n closest,\r\n assignDeep,\r\n push,\r\n scrollLeft,\r\n scrollTop,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n dataAttributeHost,\r\n dataValueHostOverflowVisible,\r\n classNameViewport,\r\n classNameOverflowVisible,\r\n classNameScrollbar,\r\n classNameViewportArrange,\r\n} from 'classnames';\r\nimport { createSizeObserver, SizeObserverCallbackParams } from 'observers/sizeObserver';\r\nimport { createTrinsicObserver } from 'observers/trinsicObserver';\r\nimport { createDOMObserver, DOMObserver } from 'observers/domObserver';\r\nimport type { SetupState, SetupUpdateCheckOption } from 'setups';\r\nimport type { StructureSetupState } from 'setups/structureSetup';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n StructureSetupUpdate,\r\n StructureSetupUpdateHints,\r\n} from 'setups/structureSetup/structureSetup.update';\r\n\r\nexport type StructureSetupObserversUpdate = (checkOption: SetupUpdateCheckOption) => void;\r\n\r\nexport type StructureSetupObservers = [\r\n destroy: () => void,\r\n updateObservers: () => Partial,\r\n updateObserversOptions: StructureSetupObserversUpdate\r\n];\r\n\r\ntype ExcludeFromTuple = T extends [infer F, ...infer R]\r\n ? [F] extends [E]\r\n ? ExcludeFromTuple\r\n : [F, ...ExcludeFromTuple]\r\n : [];\r\n\r\nconst hostSelector = `[${dataAttributeHost}]`;\r\n\r\n// TODO: observer textarea attrs if textarea\r\n\r\nconst viewportSelector = `.${classNameViewport}`;\r\nconst viewportAttrsFromTarget = ['tabindex'];\r\nconst baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];\r\nconst baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];\r\n\r\nexport const createStructureSetupObservers = (\r\n structureSetupElements: StructureSetupElementsObj,\r\n state: SetupState,\r\n structureSetupUpdate: (\r\n ...args: ExcludeFromTuple, Parameters[0]>\r\n ) => any\r\n): StructureSetupObservers => {\r\n let debounceTimeout: number | false | undefined;\r\n let debounceMaxDelay: number | false | undefined;\r\n let contentMutationObserver: DOMObserver | undefined;\r\n const [, setState] = state;\r\n const {\r\n _host,\r\n _viewport,\r\n _content,\r\n _isTextarea,\r\n _viewportIsTarget,\r\n _viewportHasClass,\r\n _viewportAddRemoveClass,\r\n } = structureSetupElements;\r\n const { _nativeScrollbarsHiding: _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n\r\n const [updateContentSizeCache] = createCache>(\r\n {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n },\r\n () => {\r\n const hasOver = _viewportHasClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n const hasVpStyle = _viewportHasClass(classNameViewportArrange, '');\r\n const scrollOffsetX = hasVpStyle && scrollLeft(_viewport);\r\n const scrollOffsetY = hasVpStyle && scrollTop(_viewport);\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible);\r\n _viewportAddRemoveClass(classNameViewportArrange, '');\r\n\r\n const contentScroll = scrollSize(_content);\r\n const viewportScroll = scrollSize(_viewport);\r\n const fractional = fractionalSize(_viewport);\r\n\r\n _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, hasOver);\r\n _viewportAddRemoveClass(classNameViewportArrange, '', hasVpStyle);\r\n scrollLeft(_viewport, scrollOffsetX);\r\n scrollTop(_viewport, scrollOffsetY);\r\n return {\r\n w: viewportScroll.w + contentScroll.w + fractional.w,\r\n h: viewportScroll.h + contentScroll.h + fractional.h,\r\n };\r\n }\r\n );\r\n const contentMutationObserverAttr = _isTextarea\r\n ? baseStyleChangingAttrsTextarea\r\n : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);\r\n const structureSetupUpdateWithDebouncedAdaptiveUpdateHints = debounce(structureSetupUpdate, {\r\n _timeout: () => debounceTimeout,\r\n _maxDelay: () => debounceMaxDelay,\r\n _mergeParams(prev, curr) {\r\n const [prevObj] = prev;\r\n const [currObj] = curr;\r\n return [\r\n keys(prevObj)\r\n .concat(keys(currObj))\r\n .reduce((obj, key) => {\r\n obj[key] = prevObj[key] || currObj[key];\r\n return obj;\r\n }, {}),\r\n ] as [Partial];\r\n },\r\n });\r\n\r\n const updateViewportAttrsFromHost = (attributes?: string[]) => {\r\n each(attributes || viewportAttrsFromTarget, (attribute) => {\r\n if (indexOf(viewportAttrsFromTarget, attribute) > -1) {\r\n const hostAttr = attr(_host, attribute);\r\n if (isString(hostAttr)) {\r\n attr(_viewport, attribute, hostAttr);\r\n } else {\r\n removeAttr(_viewport, attribute);\r\n }\r\n }\r\n });\r\n };\r\n const onTrinsicChanged = (heightIntrinsicCache: CacheValues, fromRecords?: true) => {\r\n const [heightIntrinsic, heightIntrinsicChanged] = heightIntrinsicCache;\r\n const updateHints: Partial = {\r\n _heightIntrinsicChanged: heightIntrinsicChanged,\r\n };\r\n setState({ _heightIntrinsic: heightIntrinsic });\r\n !fromRecords && structureSetupUpdate(updateHints);\r\n return updateHints;\r\n };\r\n const onSizeChanged = ({\r\n _sizeChanged,\r\n _directionIsRTLCache,\r\n _appear,\r\n }: SizeObserverCallbackParams) => {\r\n const updateFn =\r\n !_sizeChanged || _appear\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n let directionChanged = false;\r\n if (_directionIsRTLCache) {\r\n const [directionIsRTL, directionIsRTLChanged] = _directionIsRTLCache;\r\n directionChanged = directionIsRTLChanged;\r\n setState({ _directionIsRTL: directionIsRTL });\r\n }\r\n\r\n updateFn({ _sizeChanged, _directionChanged: directionChanged });\r\n };\r\n const onContentMutation = (contentChangedTroughEvent: boolean, fromRecords?: true) => {\r\n const [, contentSizeChanged] = updateContentSizeCache();\r\n const updateHints: Partial = {\r\n _contentMutation: contentSizeChanged,\r\n };\r\n // if contentChangedTroughEvent is true its already debounced\r\n const updateFn = contentChangedTroughEvent\r\n ? structureSetupUpdate\r\n : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;\r\n\r\n if (contentSizeChanged) {\r\n !fromRecords && updateFn(updateHints);\r\n }\r\n return updateHints;\r\n };\r\n const onHostMutation = (\r\n targetChangedAttrs: string[],\r\n targetStyleChanged: boolean,\r\n fromRecords?: true\r\n ) => {\r\n const updateHints: Partial = { _hostMutation: targetStyleChanged };\r\n if (targetStyleChanged) {\r\n !fromRecords && structureSetupUpdateWithDebouncedAdaptiveUpdateHints(updateHints);\r\n } else if (!_viewportIsTarget) {\r\n updateViewportAttrsFromHost(targetChangedAttrs);\r\n }\r\n return updateHints;\r\n };\r\n\r\n const trinsicObserver =\r\n (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);\r\n const destroySizeObserver =\r\n !_viewportIsTarget &&\r\n createSizeObserver(_host, onSizeChanged, {\r\n _appear: true,\r\n _direction: !_nativeScrollbarStyling,\r\n });\r\n const [destroyHostMutationObserver, updateHostMutationObserver] = createDOMObserver(\r\n _host,\r\n false,\r\n onHostMutation,\r\n {\r\n _styleChangingAttributes: baseStyleChangingAttrs,\r\n _attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),\r\n }\r\n );\r\n\r\n const viewportIsTargetResizeObserver =\r\n _viewportIsTarget &&\r\n new ResizeObserverConstructor!(onSizeChanged.bind(0, { _sizeChanged: true }));\r\n\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.observe(_host);\r\n updateViewportAttrsFromHost();\r\n\r\n return [\r\n () => {\r\n contentMutationObserver && contentMutationObserver[0](); // destroy\r\n trinsicObserver && trinsicObserver[0](); // destroy\r\n destroySizeObserver && destroySizeObserver();\r\n viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.disconnect();\r\n destroyHostMutationObserver();\r\n },\r\n () => {\r\n const updateHints: Partial = {};\r\n const hostUpdateResult = updateHostMutationObserver();\r\n const contentUpdateResult = contentMutationObserver && contentMutationObserver[1](); // update\r\n const trinsicUpdateResult = trinsicObserver && trinsicObserver[1](); // update\r\n\r\n if (hostUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onHostMutation.apply(\r\n 0,\r\n push(hostUpdateResult, true) as [\r\n ...updateResult: typeof hostUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (contentUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onContentMutation.apply(\r\n 0,\r\n push(contentUpdateResult, true) as [\r\n ...updateResult: typeof contentUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n if (trinsicUpdateResult) {\r\n assignDeep(\r\n updateHints,\r\n onTrinsicChanged.apply(\r\n 0,\r\n push(trinsicUpdateResult as any[], true) as [\r\n ...updateResult: typeof trinsicUpdateResult,\r\n fromRecords: true\r\n ]\r\n )\r\n );\r\n }\r\n\r\n return updateHints;\r\n },\r\n (checkOption) => {\r\n const [ignoreMutation] = checkOption('updating.ignoreMutation');\r\n const [attributes, attributesChanged] = checkOption('updating.attributes');\r\n const [elementEvents, elementEventsChanged] = checkOption | null>(\r\n 'updating.elementEvents'\r\n );\r\n const [debounceValue, debounceChanged] = checkOption | number | null>(\r\n 'updating.debounce'\r\n );\r\n const updateContentMutationObserver = elementEventsChanged || attributesChanged;\r\n const ignoreMutationFromOptions = (mutation: MutationRecord) =>\r\n isFunction(ignoreMutation) && ignoreMutation(mutation);\r\n\r\n if (updateContentMutationObserver) {\r\n if (contentMutationObserver) {\r\n contentMutationObserver[1](); // update\r\n contentMutationObserver[0](); // destroy\r\n }\r\n contentMutationObserver = createDOMObserver(\r\n _content || _viewport,\r\n true,\r\n onContentMutation,\r\n {\r\n _styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),\r\n _attributes: contentMutationObserverAttr.concat(attributes || []),\r\n _eventContentChange: elementEvents,\r\n _nestedTargetSelector: hostSelector,\r\n _ignoreContentChange: (mutation, isNestedTarget) => {\r\n const { target, attributeName } = mutation;\r\n const ignore =\r\n !isNestedTarget && attributeName\r\n ? liesBetween(target, hostSelector, viewportSelector)\r\n : false;\r\n return (\r\n ignore ||\r\n !!closest(target, `.${classNameScrollbar}`) || // ignore explicitely all scrollbar elements\r\n !!ignoreMutationFromOptions(mutation)\r\n );\r\n },\r\n }\r\n );\r\n }\r\n\r\n if (debounceChanged) {\r\n structureSetupUpdateWithDebouncedAdaptiveUpdateHints._flush();\r\n if (isArray(debounceValue)) {\r\n const timeout = debounceValue[0];\r\n const maxWait = debounceValue[1];\r\n debounceTimeout = isNumber(timeout) ? timeout : false;\r\n debounceMaxDelay = isNumber(maxWait) ? maxWait : false;\r\n } else if (isNumber(debounceValue)) {\r\n debounceTimeout = debounceValue;\r\n debounceMaxDelay = false;\r\n } else {\r\n debounceTimeout = false;\r\n debounceMaxDelay = false;\r\n }\r\n }\r\n },\r\n ];\r\n};\r\n","import { createEventListenerHub, isEmptyObject, keys } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport { createStructureSetupElements } from 'setups/structureSetup/structureSetup.elements';\r\nimport { createStructureSetupUpdate } from 'setups/structureSetup/structureSetup.update';\r\nimport { createStructureSetupObservers } from 'setups/structureSetup/structureSetup.observers';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type { TRBL, XY, EventListener } from 'support';\r\nimport type { Options, ReadonlyOSOptions } from 'options';\r\nimport type { Setup } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { PartialOptions, StyleObject, OverflowStyle } from 'typings';\r\n\r\nexport interface StructureSetupState {\r\n _padding: TRBL;\r\n _paddingAbsolute: boolean;\r\n _viewportPaddingStyle: StyleObject;\r\n _overflowEdge: XY;\r\n _overflowAmount: XY;\r\n _overflowStyle: XY;\r\n _hasOverflow: XY;\r\n _heightIntrinsic: boolean;\r\n _directionIsRTL: boolean;\r\n}\r\n\r\nexport interface StructureSetupStaticState {\r\n _elements: StructureSetupElementsObj;\r\n _appendElements: () => void;\r\n _addOnUpdatedListener: (listener: EventListener) => void;\r\n}\r\n\r\ntype StructureSetupEventMap = {\r\n u: [\r\n updateHints: StructureSetupUpdateHints,\r\n changedOptions: PartialOptions,\r\n force: boolean\r\n ];\r\n};\r\n\r\nconst initialXYNumber = { x: 0, y: 0 };\r\nconst initialStructureSetupUpdateState: StructureSetupState = {\r\n _padding: {\r\n t: 0,\r\n r: 0,\r\n b: 0,\r\n l: 0,\r\n },\r\n _paddingAbsolute: false,\r\n _viewportPaddingStyle: {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n paddingTop: 0,\r\n paddingRight: 0,\r\n paddingBottom: 0,\r\n paddingLeft: 0,\r\n },\r\n _overflowEdge: initialXYNumber,\r\n _overflowAmount: initialXYNumber,\r\n _overflowStyle: {\r\n x: 'hidden',\r\n y: 'hidden',\r\n },\r\n _hasOverflow: {\r\n x: false,\r\n y: false,\r\n },\r\n _heightIntrinsic: false,\r\n _directionIsRTL: false,\r\n};\r\n\r\nexport const createStructureSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions\r\n): Setup => {\r\n const checkOptionsFallback = createOptionCheck(options, {});\r\n const state = createState(initialStructureSetupUpdateState);\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub();\r\n const [getState] = state;\r\n const [elements, appendElements, destroyElements] = createStructureSetupElements(target);\r\n const updateStructure = createStructureSetupUpdate(elements, state);\r\n const triggerUpdateEvent: (...args: StructureSetupEventMap['u']) => void = (\r\n updateHints,\r\n changedOptions,\r\n force\r\n ) => {\r\n const truthyUpdateHints = keys(updateHints).some((key) => updateHints[key]);\r\n\r\n if (truthyUpdateHints || !isEmptyObject(changedOptions) || force) {\r\n triggerEvent('u', [updateHints, changedOptions, force]);\r\n }\r\n };\r\n const [destroyObservers, updateObservers, updateObserversOptions] = createStructureSetupObservers(\r\n elements,\r\n state,\r\n (updateHints) => {\r\n triggerUpdateEvent(updateStructure(checkOptionsFallback, updateHints), {}, false);\r\n }\r\n );\r\n\r\n const structureSetupState = getState.bind(0) as (() => StructureSetupState) &\r\n StructureSetupStaticState;\r\n structureSetupState._addOnUpdatedListener = (listener) => {\r\n addEvent('u', listener);\r\n };\r\n structureSetupState._appendElements = appendElements;\r\n structureSetupState._elements = elements;\r\n\r\n return [\r\n (changedOptions, force?) => {\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n updateObserversOptions(checkOption);\r\n triggerUpdateEvent(\r\n updateStructure(checkOption, updateObservers(), force),\r\n changedOptions,\r\n !!force\r\n );\r\n },\r\n structureSetupState,\r\n () => {\r\n removeEvent();\r\n destroyObservers();\r\n destroyElements();\r\n },\r\n ];\r\n};\r\n","import {\r\n addClass,\r\n appendChildren,\r\n createDiv,\r\n each,\r\n isEmptyArray,\r\n noop,\r\n on,\r\n push,\r\n removeClass,\r\n removeElements,\r\n runEachAndClear,\r\n setT,\r\n stopPropagation,\r\n style,\r\n} from 'support';\r\nimport {\r\n classNameScrollbar,\r\n classNameScrollbarHorizontal,\r\n classNameScrollbarVertical,\r\n classNameScrollbarTrack,\r\n classNameScrollbarHandle,\r\n classNamesScrollbarInteraction,\r\n classNamesScrollbarTransitionless,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { dynamicInitializationElement as generalDynamicInitializationElement } from 'initialization';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { StructureSetupElementsObj } from 'setups/structureSetup/structureSetup.elements';\r\nimport type {\r\n ScrollbarsInitialization,\r\n ScrollbarsInitializationStrategy,\r\n ScrollbarsDynamicInitializationElement,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.initialization';\r\nimport { StyleObject } from 'typings';\r\n\r\nexport interface ScrollbarStructure {\r\n _scrollbar: HTMLElement;\r\n _track: HTMLElement;\r\n _handle: HTMLElement;\r\n}\r\n\r\nexport interface ScrollbarsSetupElement {\r\n _scrollbarStructures: ScrollbarStructure[];\r\n _clone: () => ScrollbarStructure;\r\n _addRemoveClass: (\r\n classNames: string | false | null | undefined,\r\n add?: boolean,\r\n elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined\r\n ) => void;\r\n _handleStyle: (\r\n elmStyle: (\r\n scrollbarStructure: ScrollbarStructure\r\n ) => [HTMLElement | false | null | undefined, StyleObject]\r\n ) => void;\r\n // _removeClass: (classNames: string) => void;\r\n /*\r\n _addEventListener: () => void;\r\n _removeEventListener: () => void;\r\n */\r\n}\r\n\r\nexport interface ScrollbarsSetupElementsObj {\r\n _horizontal: ScrollbarsSetupElement;\r\n _vertical: ScrollbarsSetupElement;\r\n}\r\n\r\nexport type ScrollbarsSetupElements = [\r\n elements: ScrollbarsSetupElementsObj,\r\n appendElements: () => void,\r\n destroy: () => void\r\n];\r\n\r\nconst interactionStartEventNames = 'touchstart mouseenter';\r\nconst interactionEndEventNames = 'touchend touchcancel mouseleave';\r\nconst stopRootClickPropagation = (scrollbar: HTMLElement, documentElm: Document) =>\r\n on(\r\n scrollbar,\r\n 'mousedown',\r\n on.bind(0, documentElm, 'click', stopPropagation, { _once: true, _capture: true }),\r\n { _capture: true }\r\n );\r\n\r\nexport const createScrollbarsSetupElements = (\r\n target: InitializationTarget,\r\n structureSetupElements: StructureSetupElementsObj\r\n): ScrollbarsSetupElements => {\r\n const { _getInitializationStrategy } = getEnvironment();\r\n const { scrollbarsSlot: environmentScrollbarSlot } =\r\n _getInitializationStrategy() as ScrollbarsInitializationStrategy;\r\n const { _documentElm, _target, _host, _viewport, _targetIsElm } = structureSetupElements;\r\n const initializationScrollbarSlot = _targetIsElm\r\n ? null\r\n : (target as ScrollbarsInitialization).scrollbarsSlot;\r\n const evaluatedScrollbarSlot =\r\n generalDynamicInitializationElement(\r\n [_target, _host, _viewport],\r\n () => _host,\r\n environmentScrollbarSlot,\r\n initializationScrollbarSlot\r\n );\r\n const scrollbarsAddRemoveClass = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n classNames: string | false | null | undefined,\r\n add?: boolean,\r\n elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined\r\n ) => {\r\n const action = add ? addClass : removeClass;\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n action((elm || noop)(scrollbarStructure) || scrollbarStructure._scrollbar, classNames);\r\n });\r\n };\r\n const scrollbarsHandleStyle = (\r\n scrollbarStructures: ScrollbarStructure[],\r\n elmStyle: (\r\n scrollbarStructure: ScrollbarStructure\r\n ) => [HTMLElement | false | null | undefined, StyleObject]\r\n ) => {\r\n each(scrollbarStructures, (scrollbarStructure) => {\r\n const [elm, styles] = elmStyle(scrollbarStructure);\r\n style(elm, styles);\r\n });\r\n };\r\n const destroyFns: (() => void)[] = [];\r\n const horizontalScrollbars: ScrollbarStructure[] = [];\r\n const verticalScrollbars: ScrollbarStructure[] = [];\r\n\r\n const addRemoveClassHorizontal = scrollbarsAddRemoveClass.bind(0, horizontalScrollbars);\r\n const addRemoveClassVertical = scrollbarsAddRemoveClass.bind(0, verticalScrollbars);\r\n const generateScrollbarDOM = (horizontal?: boolean): ScrollbarStructure => {\r\n const scrollbarClassName = horizontal\r\n ? classNameScrollbarHorizontal\r\n : classNameScrollbarVertical;\r\n const arrToPush = horizontal ? horizontalScrollbars : verticalScrollbars;\r\n const transitionlessClass = isEmptyArray(arrToPush) ? classNamesScrollbarTransitionless : '';\r\n const scrollbar = createDiv(\r\n `${classNameScrollbar} ${scrollbarClassName} ${transitionlessClass}`\r\n );\r\n const track = createDiv(classNameScrollbarTrack);\r\n const handle = createDiv(classNameScrollbarHandle);\r\n const result = {\r\n _scrollbar: scrollbar,\r\n _track: track,\r\n _handle: handle,\r\n };\r\n\r\n appendChildren(scrollbar, track);\r\n appendChildren(track, handle);\r\n\r\n push(arrToPush, result);\r\n push(destroyFns, [\r\n removeElements.bind(0, scrollbar),\r\n on(scrollbar, interactionStartEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction, true);\r\n addRemoveClassVertical(classNamesScrollbarInteraction, true);\r\n }),\r\n on(scrollbar, interactionEndEventNames, () => {\r\n addRemoveClassHorizontal(classNamesScrollbarInteraction);\r\n addRemoveClassVertical(classNamesScrollbarInteraction);\r\n }),\r\n stopRootClickPropagation(scrollbar, _documentElm),\r\n ]);\r\n\r\n return result;\r\n };\r\n const generateHorizontalScrollbarStructure = generateScrollbarDOM.bind(0, true);\r\n const generateVerticalScrollbarStructure = generateScrollbarDOM.bind(0, false);\r\n const appendElements = () => {\r\n appendChildren(evaluatedScrollbarSlot, horizontalScrollbars[0]._scrollbar);\r\n appendChildren(evaluatedScrollbarSlot, verticalScrollbars[0]._scrollbar);\r\n\r\n setT(() => {\r\n addRemoveClassHorizontal(classNamesScrollbarTransitionless);\r\n addRemoveClassVertical(classNamesScrollbarTransitionless);\r\n }, 300);\r\n };\r\n\r\n generateHorizontalScrollbarStructure();\r\n generateVerticalScrollbarStructure();\r\n\r\n return [\r\n {\r\n _horizontal: {\r\n _scrollbarStructures: horizontalScrollbars,\r\n _clone: generateHorizontalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassHorizontal,\r\n _handleStyle: scrollbarsHandleStyle.bind(0, horizontalScrollbars),\r\n },\r\n _vertical: {\r\n _scrollbarStructures: verticalScrollbars,\r\n _clone: generateVerticalScrollbarStructure,\r\n _addRemoveClass: addRemoveClassVertical,\r\n _handleStyle: scrollbarsHandleStyle.bind(0, verticalScrollbars),\r\n },\r\n },\r\n appendElements,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { rAF, cAF, isFunction, on, runEachAndClear, setT, clearT } from 'support';\r\nimport { createState, createOptionCheck } from 'setups/setups';\r\nimport {\r\n createScrollbarsSetupElements,\r\n ScrollbarsSetupElement,\r\n ScrollbarsSetupElementsObj,\r\n} from 'setups/scrollbarsSetup/scrollbarsSetup.elements';\r\nimport {\r\n classNamesScrollbarVisible,\r\n classNamesScrollbarCornerless,\r\n classNamesScrollbarAutoHidden,\r\n} from 'classnames';\r\nimport type { StructureSetupUpdateHints } from 'setups/structureSetup/structureSetup.update';\r\nimport type {\r\n ReadonlyOSOptions,\r\n ScrollbarVisibilityBehavior,\r\n ScrollbarAutoHideBehavior,\r\n} from 'options';\r\nimport type { Setup, StructureSetupState, StructureSetupStaticState } from 'setups';\r\nimport type { InitializationTarget } from 'initialization';\r\nimport type { OverflowStyle, StyleObject } from 'typings';\r\n\r\n// eslint-disable-next-line @typescript-eslint/no-empty-interface\r\nexport interface ScrollbarsSetupState {}\r\n\r\nexport interface ScrollbarsSetupStaticState {\r\n _elements: ScrollbarsSetupElementsObj;\r\n _appendElements: () => void;\r\n}\r\n\r\nconst { min } = Math;\r\nconst createSelfCancelTimeout = (timeout?: number | (() => number)) => {\r\n let id: number;\r\n const setTFn = timeout ? setT : rAF!;\r\n const clearTFn = timeout ? clearT : cAF!;\r\n return [\r\n (callback: () => any) => {\r\n clearTFn(id);\r\n // @ts-ignore\r\n id = setTFn(callback, isFunction(timeout) ? timeout() : timeout);\r\n },\r\n () => clearTFn(id),\r\n ] as [timeout: (callback: () => any) => void, clear: () => void];\r\n};\r\n\r\nconst refreshScrollbarHandleLength = (\r\n setStyleFn: ScrollbarsSetupElement['_handleStyle'],\r\n structureSetupState: StructureSetupState,\r\n isHorizontal?: boolean\r\n) => {\r\n const { _overflowAmount, _overflowEdge } = structureSetupState;\r\n const axis = isHorizontal ? 'x' : 'y';\r\n const viewportSize = _overflowEdge[axis];\r\n const overflowAmount = _overflowAmount[axis];\r\n const handleRatio = min(1, viewportSize / (viewportSize + overflowAmount));\r\n\r\n setStyleFn((structure) => [\r\n structure._handle,\r\n {\r\n [isHorizontal ? 'width' : 'height']: `${(handleRatio * 100).toFixed(3)}%`,\r\n },\r\n ]);\r\n};\r\n\r\nconst refreshScrollbarHandlePosition = (\r\n setStyleFn: (styles: StyleObject) => void,\r\n structureSetupState: StructureSetupState,\r\n isHorizontal?: boolean\r\n) => {\r\n /*\r\n //measure the handle length to respect min & max length\r\n var handleLength = scrollbarVarsInfo._handleLength;\r\n var trackLength = scrollbarVars._track[0]['offset' + scrollbarVars._Width_Height];\r\n var handleTrackDiff = trackLength - handleLength;\r\n var handleCSS = {};\r\n var transformOffset;\r\n var translateValue;\r\n\r\n //DONT use the variable '_contentScrollSizeCache[scrollbarVars._w_h]' instead of '_viewportElement[0]['scroll' + scrollbarVars._Width_Height]'\r\n // because its a bit behind during the small delay when content size updates\r\n //(delay = mutationObserverContentLag, if its 0 then this var could be used)\r\n var maxScroll =\r\n (_viewportElementNative[_strScroll + scrollbarVars._Width_Height] -\r\n _viewportElementNative['client' + scrollbarVars._Width_Height]) *\r\n (_rtlScrollBehavior.n && isRTLisHorizontal ? -1 : 1); //* -1 if rtl scroll max is negative\r\n var getScrollRatio = function (base) {\r\n return isNaN(base / maxScroll) ? 0 : MATH.max(0, MATH.min(1, base / maxScroll));\r\n };\r\n var getHandleOffset = function (scrollRatio) {\r\n var offset = handleTrackDiff * scrollRatio;\r\n offset = isNaN(offset) ? 0 : offset;\r\n offset =\r\n isRTLisHorizontal && !_rtlScrollBehavior.i ? trackLength - handleLength - offset : offset;\r\n offset = MATH.max(0, offset);\r\n return offset;\r\n };\r\n var scrollRatio = getScrollRatio(nativeScroll);\r\n var unsnappedScrollRatio = getScrollRatio(currentScroll);\r\n var handleOffset = getHandleOffset(unsnappedScrollRatio);\r\n var snappedHandleOffset = getHandleOffset(scrollRatio);\r\n\r\n scrollbarVarsInfo._maxScroll = maxScroll;\r\n scrollbarVarsInfo._currentScroll = nativeScroll;\r\n scrollbarVarsInfo._currentScrollRatio = scrollRatio;\r\n\r\n if (_supportTransform) {\r\n transformOffset = isRTLisHorizontal\r\n ? -(trackLength - handleLength - handleOffset)\r\n : handleOffset; //in px\r\n //transformOffset = (transformOffset / trackLength * 100) * (trackLength / handleLength); //in %\r\n translateValue = isHorizontal\r\n ? strTranslateBrace + transformOffset + 'px, 0)'\r\n : strTranslateBrace + '0, ' + transformOffset + 'px)';\r\n\r\n handleCSS[strTransform] = translateValue;\r\n\r\n //apply or clear up transition\r\n if (_supportTransition)\r\n handleCSS[strTransition] =\r\n transition && MATH.abs(handleOffset - scrollbarVarsInfo._handleOffset) > 1\r\n ? getCSSTransitionString(scrollbarVars._handle) +\r\n ', ' +\r\n (strTransform + _strSpace + transitionDuration + 'ms')\r\n : _strEmpty;\r\n } else handleCSS[scrollbarVars._left_top] = handleOffset;\r\n\r\n //only apply css if offset has changed and overflow exists.\r\n if (!nativeOverlayScrollbarsAreActive()) {\r\n scrollbarVars._handle.css(handleCSS);\r\n\r\n //clear up transition\r\n if (_supportTransform && _supportTransition && transition) {\r\n scrollbarVars._handle.one(_strTransitionEndEvent, function () {\r\n if (!_destroyed) scrollbarVars._handle.css(strTransition, _strEmpty);\r\n });\r\n }\r\n }\r\n\r\n scrollbarVarsInfo._handleOffset = handleOffset;\r\n scrollbarVarsInfo._snappedHandleOffset = snappedHandleOffset;\r\n scrollbarVarsInfo._trackLength = trackLength;\r\n */\r\n};\r\n\r\nexport const createScrollbarsSetup = (\r\n target: InitializationTarget,\r\n options: ReadonlyOSOptions,\r\n structureSetupState: (() => StructureSetupState) & StructureSetupStaticState\r\n): Setup => {\r\n let autoHideIsMove: boolean;\r\n let autoHideIsLeave: boolean;\r\n let autoHideNotNever: boolean;\r\n let mouseInHost: boolean | undefined;\r\n let prevTheme: string | null | undefined;\r\n let globalAutoHideDelay = 0;\r\n\r\n const state = createState({});\r\n const [getState] = state;\r\n const [requestMouseMoveAnimationFrame, cancelMouseMoveAnimationFrame] = createSelfCancelTimeout();\r\n const [requestScrollAnimationFrame, cancelScrollAnimationFrame] = createSelfCancelTimeout();\r\n const [scrollTimeout, clearScrollTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideMoveTimeout, clearAutoHideTimeout] = createSelfCancelTimeout(100);\r\n const [auotHideTimeout, clearAutoTimeout] = createSelfCancelTimeout(() => globalAutoHideDelay);\r\n const [elements, appendElements, destroyElements] = createScrollbarsSetupElements(\r\n target,\r\n structureSetupState._elements\r\n );\r\n const { _host, _viewport } = structureSetupState._elements;\r\n const { _horizontal, _vertical } = elements;\r\n const { _addRemoveClass: addRemoveClassHorizontal, _handleStyle: styleHorizontal } = _horizontal;\r\n const { _addRemoveClass: addRemoveClassVertical, _handleStyle: styleVertical } = _vertical;\r\n const manageScrollbarsAutoHide = (removeAutoHide: boolean, delayless?: boolean) => {\r\n clearAutoTimeout();\r\n if (removeAutoHide) {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden);\r\n } else {\r\n const hide = () => {\r\n addRemoveClassHorizontal(classNamesScrollbarAutoHidden, true);\r\n addRemoveClassVertical(classNamesScrollbarAutoHidden, true);\r\n };\r\n if (globalAutoHideDelay > 0 && !delayless) {\r\n auotHideTimeout(hide);\r\n } else {\r\n hide();\r\n }\r\n }\r\n };\r\n const onHostMouseEnter = () => {\r\n mouseInHost = autoHideIsLeave;\r\n mouseInHost && manageScrollbarsAutoHide(true);\r\n };\r\n const destroyFns: (() => void)[] = [\r\n clearScrollTimeout,\r\n clearAutoTimeout,\r\n clearAutoHideTimeout,\r\n cancelScrollAnimationFrame,\r\n cancelMouseMoveAnimationFrame,\r\n destroyElements,\r\n\r\n on(_host, 'mouseover', onHostMouseEnter, { _once: true }),\r\n on(_host, 'mouseenter', onHostMouseEnter),\r\n on(_host, 'mouseleave', () => {\r\n mouseInHost = false;\r\n autoHideIsLeave && manageScrollbarsAutoHide(false);\r\n }),\r\n on(_host, 'mousemove', () => {\r\n autoHideIsMove &&\r\n requestMouseMoveAnimationFrame(() => {\r\n clearScrollTimeout();\r\n manageScrollbarsAutoHide(true);\r\n auotHideMoveTimeout(() => {\r\n autoHideIsMove && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n on(_viewport, 'scroll', () => {\r\n autoHideNotNever &&\r\n requestScrollAnimationFrame(() => {\r\n manageScrollbarsAutoHide(true);\r\n scrollTimeout(() => {\r\n autoHideNotNever && !mouseInHost && manageScrollbarsAutoHide(false);\r\n });\r\n });\r\n }),\r\n ];\r\n const scrollbarsSetupState = getState.bind(0) as (() => ScrollbarsSetupState) &\r\n ScrollbarsSetupStaticState;\r\n scrollbarsSetupState._elements = elements;\r\n scrollbarsSetupState._appendElements = appendElements;\r\n\r\n return [\r\n (changedOptions, force, structureUpdateHints) => {\r\n const { _overflowEdgeChanged, _overflowAmountChanged, _overflowStyleChanged } =\r\n structureUpdateHints;\r\n const checkOption = createOptionCheck(options, changedOptions, force);\r\n const currStructureSetupState = structureSetupState();\r\n\r\n const [theme, themeChanged] = checkOption('scrollbars.theme');\r\n const [visibility, visibilityChanged] =\r\n checkOption('scrollbars.visibility');\r\n const [autoHide, autoHideChanged] =\r\n checkOption('scrollbars.autoHide');\r\n const [autoHideDelay] = checkOption('scrollbars.autoHideDelay');\r\n const [dragScrolling, dragScrollingChanged] = checkOption(\r\n 'scrollbars.dragScrolling'\r\n );\r\n const [touchSupport, touchSupportChanged] = checkOption('scrollbars.touchSupport');\r\n\r\n const updateHandle = _overflowEdgeChanged || _overflowAmountChanged;\r\n const updateVisibility = _overflowStyleChanged || visibilityChanged;\r\n\r\n const setScrollbarVisibility = (\r\n overflowStyle: OverflowStyle,\r\n addRemoveClass: (classNames: string, add?: boolean) => void\r\n ) => {\r\n const isVisible =\r\n visibility === 'visible' || (visibility === 'auto' && overflowStyle === 'scroll');\r\n addRemoveClass(classNamesScrollbarVisible, isVisible);\r\n return isVisible;\r\n };\r\n\r\n globalAutoHideDelay = autoHideDelay;\r\n\r\n if (updateVisibility) {\r\n const { _overflowStyle } = currStructureSetupState;\r\n\r\n const xVisible = setScrollbarVisibility(_overflowStyle.x, addRemoveClassHorizontal);\r\n const yVisible = setScrollbarVisibility(_overflowStyle.y, addRemoveClassVertical);\r\n const hasCorner = xVisible && yVisible;\r\n\r\n addRemoveClassHorizontal(classNamesScrollbarCornerless, !hasCorner);\r\n addRemoveClassVertical(classNamesScrollbarCornerless, !hasCorner);\r\n }\r\n if (themeChanged) {\r\n addRemoveClassHorizontal(prevTheme);\r\n addRemoveClassVertical(prevTheme);\r\n\r\n addRemoveClassHorizontal(theme, true);\r\n addRemoveClassVertical(theme, true);\r\n prevTheme = theme;\r\n }\r\n if (autoHideChanged) {\r\n autoHideIsMove = autoHide === 'move';\r\n autoHideIsLeave = autoHide === 'leave';\r\n autoHideNotNever = autoHide !== 'never';\r\n manageScrollbarsAutoHide(!autoHideNotNever, true);\r\n }\r\n if (updateHandle) {\r\n refreshScrollbarHandleLength(styleHorizontal, currStructureSetupState, true);\r\n refreshScrollbarHandleLength(styleVertical, currStructureSetupState);\r\n }\r\n },\r\n scrollbarsSetupState,\r\n runEachAndClear.bind(0, destroyFns),\r\n ];\r\n};\r\n","import { OverlayScrollbars } from 'overlayscrollbars';\r\n\r\nconst targets: Set = new Set();\r\nconst targetInstanceMap: WeakMap = new WeakMap();\r\n\r\n/**\r\n * Adds the given OverlayScrollbars instance to the given element.\r\n * @param target The element which is the target of the OverlayScrollbars instance.\r\n * @param osInstance The OverlayScrollbars instance.\r\n */\r\nexport const addInstance = (target: Element, osInstance: OverlayScrollbars): void => {\r\n targetInstanceMap.set(target, osInstance);\r\n targets.add(target);\r\n};\r\n\r\n/**\r\n * Removes a OverlayScrollbars instance from the given element.\r\n * @param target The element from which its OverlayScrollbars instance shall be removed.\r\n */\r\nexport const removeInstance = (target: Element): void => {\r\n targetInstanceMap.delete(target);\r\n targets.delete(target);\r\n};\r\n\r\n/**\r\n * Gets the OverlayScrollbars from the given element or undefined if it doesn't have one.\r\n * @param target The element of which its OverlayScrollbars instance shall be get.\r\n */\r\nexport const getInstance = (target: Element): OverlayScrollbars | undefined =>\r\n targetInstanceMap.get(target);\r\n\r\n/**\r\n * Gets a Map which represents all active OverayScrollbars instances.\r\n * The Key is the element and the value is the instance.\r\n */\r\nexport const allInstances = (): ReadonlyMap => {\r\n const validTargetInstanceMap: Map = new Map();\r\n\r\n targets.forEach((target: Element) => {\r\n /* istanbul ignore else */\r\n if (targetInstanceMap.has(target)) {\r\n validTargetInstanceMap.set(target, targetInstanceMap.get(target)!);\r\n }\r\n });\r\n\r\n targets.clear();\r\n\r\n validTargetInstanceMap.forEach((instance: OverlayScrollbars, validTarget: Element) => {\r\n targets.add(validTarget);\r\n });\r\n\r\n return validTargetInstanceMap;\r\n};\r\n","import {\r\n assignDeep,\r\n isEmptyObject,\r\n each,\r\n isFunction,\r\n keys,\r\n isHTMLElement,\r\n XY,\r\n TRBL,\r\n createEventListenerHub,\r\n} from 'support';\r\nimport { createStructureSetup, createScrollbarsSetup } from 'setups';\r\nimport { getOptionsDiff, Options, ReadonlyOSOptions } from 'options';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n getPlugins,\r\n addPlugin,\r\n optionsValidationPluginName,\r\n Plugin,\r\n OptionsValidationPluginInstance,\r\n} from 'plugins';\r\nimport { addInstance, getInstance, removeInstance } from 'instances';\r\nimport type { PartialOptions, OverflowStyle } from 'typings';\r\nimport type {\r\n InitializationTarget,\r\n InitializationTargetObject,\r\n InitializationStrategy,\r\n} from 'initialization';\r\nimport type {\r\n InitialEventListeners as GeneralInitialEventListeners,\r\n EventListener as GeneralEventListener,\r\n} from 'support/eventListeners';\r\n\r\nexport interface OverlayScrollbarsStatic {\r\n (\r\n target: InitializationTarget | InitializationTargetObject,\r\n options?: PartialOptions,\r\n eventListeners?: GeneralInitialEventListeners\r\n ): OverlayScrollbars;\r\n\r\n plugin(plugin: Plugin | Plugin[]): void;\r\n env(): Environment;\r\n}\r\n\r\nexport interface Environment {\r\n scrollbarsSize: XY;\r\n scrollbarsOverlaid: XY;\r\n scrollbarsHiding: boolean;\r\n rtlScrollBehavior: { n: boolean; i: boolean };\r\n flexboxGlue: boolean;\r\n cssCustomProperties: boolean;\r\n defaultInitializationStrategy: InitializationStrategy;\r\n defaultDefaultOptions: Options;\r\n\r\n getInitializationStrategy(): InitializationStrategy;\r\n setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n getDefaultOptions(): Options;\r\n setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n}\r\n\r\nexport interface State {\r\n padding: TRBL;\r\n paddingAbsolute: boolean;\r\n overflowEdge: XY;\r\n overflowAmount: XY;\r\n overflowStyle: XY;\r\n hasOverflow: XY;\r\n destroyed: boolean;\r\n}\r\n\r\nexport interface Elements {\r\n target: HTMLElement;\r\n host: HTMLElement;\r\n padding: HTMLElement;\r\n viewport: HTMLElement;\r\n content: HTMLElement;\r\n}\r\n\r\nexport interface OnUpdatedEventListenerArgs {\r\n updateHints: {\r\n sizeChanged: boolean;\r\n directionChanged: boolean;\r\n heightIntrinsicChanged: boolean;\r\n overflowEdgeChanged: boolean;\r\n overflowAmountChanged: boolean;\r\n overflowStyleChanged: boolean;\r\n hostMutation: boolean;\r\n contentMutation: boolean;\r\n };\r\n changedOptions: PartialOptions;\r\n force: boolean;\r\n}\r\n\r\nexport type EventListenerMap = {\r\n /**\r\n * Triggered after all elements are initialized and appended.\r\n */\r\n initialized: [instance: OverlayScrollbars];\r\n /**\r\n * Triggered after an update.\r\n */\r\n updated: [instance: OverlayScrollbars, onUpdatedArgs: OnUpdatedEventListenerArgs];\r\n /**\r\n * Triggered after all elements, observers and events are destroyed.\r\n */\r\n destroyed: [instance: OverlayScrollbars, withdrawn: boolean];\r\n};\r\n\r\nexport type InitialEventListeners = GeneralInitialEventListeners;\r\n\r\nexport type EventListener = GeneralEventListener<\r\n EventListenerMap,\r\n Name\r\n>;\r\n\r\nexport interface OverlayScrollbars {\r\n options(): Options;\r\n options(newOptions?: PartialOptions): Options;\r\n\r\n update(force?: boolean): OverlayScrollbars;\r\n\r\n destroy(): void;\r\n\r\n state(): State;\r\n\r\n elements(): Elements;\r\n\r\n on(name: Name, listener: EventListener): () => void;\r\n on(name: Name, listener: EventListener[]): () => void;\r\n\r\n off(name: Name, listener: EventListener): void;\r\n off(name: Name, listener: EventListener[]): void;\r\n}\r\n\r\n/**\r\n * Notes:\r\n * Height intrinsic detection use \"content: true\" init strategy - or open ticket for custom height intrinsic observer\r\n */\r\n\r\nexport const OverlayScrollbars: OverlayScrollbarsStatic = (\r\n target,\r\n options?,\r\n eventListeners?\r\n): OverlayScrollbars => {\r\n let destroyed = false;\r\n const {\r\n _getDefaultOptions,\r\n _nativeScrollbarsOverlaid: _nativeScrollbarIsOverlaid,\r\n _addListener: addEnvListener,\r\n } = getEnvironment();\r\n const plugins = getPlugins();\r\n const instanceTarget = isHTMLElement(target) ? target : target.target;\r\n const potentialInstance = getInstance(instanceTarget);\r\n if (potentialInstance) {\r\n return potentialInstance;\r\n }\r\n\r\n const optionsValidationPlugin = plugins[\r\n optionsValidationPluginName\r\n ] as OptionsValidationPluginInstance;\r\n const validateOptions = (newOptions?: PartialOptions) => {\r\n const opts = newOptions || {};\r\n const validate = optionsValidationPlugin && optionsValidationPlugin._;\r\n return validate ? validate(opts, true) : opts;\r\n };\r\n const currentOptions: ReadonlyOSOptions = assignDeep(\r\n {},\r\n _getDefaultOptions(),\r\n validateOptions(options)\r\n );\r\n const [addEvent, removeEvent, triggerEvent] = createEventListenerHub(eventListeners);\r\n const [updateStructure, structureState, destroyStructure] = createStructureSetup(\r\n target,\r\n currentOptions\r\n );\r\n const [updateScrollbars, scrollbarsState, destroyScrollbars] = createScrollbarsSetup(\r\n target,\r\n currentOptions,\r\n structureState\r\n );\r\n const update = (changedOptions: PartialOptions, force?: boolean) => {\r\n updateStructure(changedOptions, !!force);\r\n };\r\n const removeEnvListener = addEnvListener(update.bind(0, {}, true));\r\n const destroy = (withdrawn?: boolean) => {\r\n removeInstance(instanceTarget);\r\n removeEnvListener();\r\n\r\n destroyScrollbars();\r\n destroyStructure();\r\n\r\n destroyed = true;\r\n\r\n // eslint-disable-next-line no-use-before-define\r\n triggerEvent('destroyed', [instance, !!withdrawn]);\r\n removeEvent();\r\n };\r\n\r\n const instance: OverlayScrollbars = {\r\n options(newOptions?: PartialOptions) {\r\n if (newOptions) {\r\n const changedOptions = getOptionsDiff(currentOptions, validateOptions(newOptions));\r\n\r\n if (!isEmptyObject(changedOptions)) {\r\n assignDeep(currentOptions, changedOptions);\r\n update(changedOptions);\r\n }\r\n }\r\n return assignDeep({}, currentOptions);\r\n },\r\n on: addEvent,\r\n off: (name, listener) => {\r\n name && listener && removeEvent(name, listener as any);\r\n },\r\n state() {\r\n const {\r\n _overflowEdge,\r\n _overflowAmount,\r\n _overflowStyle,\r\n _hasOverflow,\r\n _padding,\r\n _paddingAbsolute,\r\n } = structureState();\r\n return assignDeep(\r\n {},\r\n {\r\n overflowEdge: _overflowEdge,\r\n overflowAmount: _overflowAmount,\r\n overflowStyle: _overflowStyle,\r\n hasOverflow: _hasOverflow,\r\n padding: _padding,\r\n paddingAbsolute: _paddingAbsolute,\r\n destroyed,\r\n }\r\n );\r\n },\r\n elements() {\r\n const { _target, _host, _padding, _viewport, _content } = structureState._elements;\r\n return assignDeep(\r\n {},\r\n {\r\n target: _target,\r\n host: _host,\r\n padding: _padding || _viewport,\r\n viewport: _viewport,\r\n content: _content || _viewport,\r\n }\r\n );\r\n },\r\n update(force?: boolean) {\r\n update({}, force);\r\n return instance;\r\n },\r\n destroy: destroy.bind(0),\r\n };\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force: boolean) => {\r\n updateScrollbars(changedOptions, force, updateHints);\r\n });\r\n\r\n each(keys(plugins), (pluginName) => {\r\n const pluginInstance = plugins[pluginName];\r\n if (isFunction(pluginInstance)) {\r\n pluginInstance(OverlayScrollbars, instance);\r\n }\r\n });\r\n\r\n if (\r\n _nativeScrollbarIsOverlaid.x &&\r\n _nativeScrollbarIsOverlaid.y &&\r\n !currentOptions.nativeScrollbarsOverlaid.initialize\r\n ) {\r\n destroy(true);\r\n return instance;\r\n }\r\n\r\n structureState._appendElements();\r\n scrollbarsState._appendElements();\r\n\r\n addInstance(instanceTarget, instance);\r\n triggerEvent('initialized', [instance]);\r\n\r\n structureState._addOnUpdatedListener((updateHints, changedOptions, force) => {\r\n const {\r\n _sizeChanged,\r\n _directionChanged,\r\n _heightIntrinsicChanged,\r\n _overflowEdgeChanged,\r\n _overflowAmountChanged,\r\n _overflowStyleChanged,\r\n _contentMutation,\r\n _hostMutation,\r\n } = updateHints;\r\n\r\n triggerEvent('updated', [\r\n instance,\r\n {\r\n updateHints: {\r\n sizeChanged: _sizeChanged,\r\n directionChanged: _directionChanged,\r\n heightIntrinsicChanged: _heightIntrinsicChanged,\r\n overflowEdgeChanged: _overflowEdgeChanged,\r\n overflowAmountChanged: _overflowAmountChanged,\r\n overflowStyleChanged: _overflowStyleChanged,\r\n contentMutation: _contentMutation,\r\n hostMutation: _hostMutation,\r\n },\r\n changedOptions,\r\n force,\r\n },\r\n ]);\r\n });\r\n\r\n return instance.update(true);\r\n};\r\n\r\nOverlayScrollbars.plugin = addPlugin;\r\nOverlayScrollbars.env = () => {\r\n const {\r\n _nativeScrollbarsSize,\r\n _nativeScrollbarsOverlaid,\r\n _nativeScrollbarsHiding,\r\n _rtlScrollBehavior,\r\n _flexboxGlue,\r\n _cssCustomProperties,\r\n _defaultInitializationStrategy,\r\n _defaultDefaultOptions,\r\n _getInitializationStrategy,\r\n _setInitializationStrategy,\r\n _getDefaultOptions,\r\n _setDefaultOptions,\r\n } = getEnvironment();\r\n return assignDeep(\r\n {},\r\n {\r\n scrollbarsSize: _nativeScrollbarsSize,\r\n scrollbarsOverlaid: _nativeScrollbarsOverlaid,\r\n scrollbarsHiding: _nativeScrollbarsHiding,\r\n rtlScrollBehavior: _rtlScrollBehavior,\r\n flexboxGlue: _flexboxGlue,\r\n cssCustomProperties: _cssCustomProperties,\r\n defaultInitializationStrategy: _defaultInitializationStrategy,\r\n defaultDefaultOptions: _defaultDefaultOptions,\r\n\r\n getInitializationStrategy: _getInitializationStrategy,\r\n setInitializationStrategy: _setInitializationStrategy,\r\n getDefaultOptions: _getDefaultOptions,\r\n setDefaultOptions: _setDefaultOptions,\r\n 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_scrollbarStructures: ScrollbarStructure[]; _clone: () => ScrollbarStructure; _addRemoveClass: ( - classNames: string, + classNames: string | false | null | undefined, add?: boolean, elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined ) => void; @@ -101,7 +101,7 @@ export const createScrollbarsSetupElements = ( ); const scrollbarsAddRemoveClass = ( scrollbarStructures: ScrollbarStructure[], - classNames: string, + classNames: string | false | null | undefined, add?: boolean, elm?: (scrollbarStructure: ScrollbarStructure) => HTMLElement | false | null | undefined ) => { diff --git a/packages/overlayscrollbars/types/overlayscrollbars.d.ts b/packages/overlayscrollbars/types/overlayscrollbars.d.ts index 8bbe8c2..0980e09 100644 --- a/packages/overlayscrollbars/types/overlayscrollbars.d.ts +++ b/packages/overlayscrollbars/types/overlayscrollbars.d.ts @@ -51,6 +51,7 @@ interface Options { y: OverflowBehavior; }; scrollbars: { + theme: string | null; visibility: ScrollbarVisibilityBehavior; autoHide: ScrollbarAutoHideBehavior; autoHideDelay: number; @@ -115,7 +116,7 @@ interface ScrollbarsInitialization { scrollbarsSlot?: ScrollbarsDynamicInitializationElement; } type ScrollbarsInitializationStrategy = { - [K in keyof ScrollbarsInitialization as `_${K}`]: InitializtationElementStrategy; + [K in keyof ScrollbarsInitialization]: InitializtationElementStrategy; }; interface StructureSetupState { _padding: TRBL; @@ -152,7 +153,7 @@ interface StructureInitialization { content?: StructureDynamicInitializationElement; } type StructureInitializationStrategy = { - [K in keyof Omit as `_${K}`]: InitializtationElementStrategy; + [K in keyof Omit]: InitializtationElementStrategy; }; interface ViewportOverflowState { _scrollbarsHideOffset: XY;