diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
index ba591eb..300130a 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
@@ -202,12 +202,14 @@ const from = t => {
const isEmptyArray = t => !!t && 0 === t.length;
-const runEach = (t, n) => {
+const runEachAndClear = (t, n, e) => {
const runFn = t => t && t.apply(void 0, n || []);
if (t instanceof Set) {
t.forEach(runFn);
+ !e && t.clear();
} else {
each(t, runFn);
+ !e && t.splice && t.splice(0, t.length);
}
};
@@ -620,7 +622,7 @@ const on = (t, n, e, o) => {
push(a, off.bind(null, t, n, o, i));
t.addEventListener(n, o, l);
}));
- return runEach.bind(0, a);
+ return runEachAndClear.bind(0, a);
};
const stopPropagation = t => t.stopPropagation();
@@ -699,11 +701,11 @@ const createState = t => {
} ];
};
-const w = "os-environment";
+const b = "os-environment";
-const b = `${w}-flexbox-glue`;
+const w = `${b}-flexbox-glue`;
-const y = `${b}-max`;
+const y = `${w}-max`;
const m = "data-overlayscrollbars";
@@ -717,13 +719,13 @@ const O = "viewportStyled";
const A = "os-padding";
-const $ = "os-viewport";
+const I = "os-viewport";
-const L = `${$}-arrange`;
+const L = `${I}-arrange`;
-const I = "os-content";
+const T = "os-content";
-const T = `${$}-scrollbar-styled`;
+const $ = `${I}-scrollbar-styled`;
const z = `os-overflow-visible`;
@@ -733,23 +735,17 @@ const E = `${D}-appear`;
const P = `${D}-listener`;
-const M = `${P}-scroll`;
+const M = "os-trinsic-observer";
-const j = `${P}-item`;
+const j = "os-scrollbar";
-const N = `${j}-final`;
+const N = `${j}-horizontal`;
-const R = "os-trinsic-observer";
+const R = `${j}-vertical`;
-const H = "os-scrollbar";
+const H = "os-scrollbar-track";
-const F = `${H}-horizontal`;
-
-const k = `${H}-vertical`;
-
-const V = "os-scrollbar-track";
-
-const B = "os-scrollbar-handle";
+const F = "os-scrollbar-handle";
const opsStringify = t => JSON.stringify(t, ((t, n) => {
if (isFunction(n)) {
@@ -758,7 +754,7 @@ const opsStringify = t => JSON.stringify(t, ((t, n) => {
return n;
}));
-const U = {
+const k = {
paddingAbsolute: false,
updating: {
elementEvents: [ [ "img", "load" ] ],
@@ -809,13 +805,13 @@ const getOptionsDiff = (t, n) => {
return e;
};
-let Y;
+let V;
-const {abs: q, round: G} = Math;
+const {abs: B, round: U} = Math;
const diffBiggerThanOne = (t, n) => {
- const e = q(t);
- const o = q(n);
+ const e = B(t);
+ const o = B(n);
return !(e === o || e + 1 === o || e - 1 === o);
};
@@ -832,7 +828,7 @@ const getNativeScrollbarSize = (t, n, e) => {
const getNativeScrollbarStyling = t => {
let n = false;
- const e = addClass(t, T);
+ const e = addClass(t, $);
try {
n = "none" === style(t, cssProperty("scrollbar-width")) || "none" === window.getComputedStyle(t, "::-webkit-scrollbar").getPropertyValue("display");
} catch (o) {}
@@ -859,7 +855,7 @@ const getRtlScrollBehavior = (t, n) => {
};
const getFlexboxGlue = (t, n) => {
- const e = addClass(t, b);
+ const e = addClass(t, w);
const o = getBoundingClientRect(t);
const s = getBoundingClientRect(n);
const c = equalBCRWH(s, o, true);
@@ -880,7 +876,7 @@ const getWindowDPR = () => {
const createEnvironment = () => {
const {body: t} = document;
- const n = createDOM(`
`);
+ const n = createDOM(``);
const e = n[0];
const o = e.firstChild;
const [s, , c] = createEventListenerHub();
@@ -896,13 +892,13 @@ const createEnvironment = () => {
};
const f = {
A: !l,
- $: false
+ I: false
};
- const d = assignDeep({}, U);
+ const d = assignDeep({}, k);
const _ = {
L: a,
- I: u,
- T: l,
+ T: u,
+ $: l,
D: "-1" === style(e, "zIndex"),
P: getRtlScrollBehavior(e, o),
M: getFlexboxGlue(e, o),
@@ -933,12 +929,12 @@ const createEnvironment = () => {
return;
}
const l = {
- w: q(a.w),
- h: q(a.h)
+ w: B(a.w),
+ h: B(a.h)
};
const u = {
- w: q(G(r.w / (n.w / 100))),
- h: q(G(r.h / (n.h / 100)))
+ w: B(U(r.w / (n.w / 100))),
+ h: B(U(r.h / (n.h / 100)))
};
const f = getWindowDPR();
const d = l.w > 2 && l.h > 2;
@@ -947,7 +943,7 @@ const createEnvironment = () => {
const h = d && _ && g;
if (h) {
const [n, s] = i(getNativeScrollbarSize(t, e, o));
- assignDeep(Y.L, n);
+ assignDeep(V.L, n);
removeElements(e);
if (s) {
c("_");
@@ -961,10 +957,10 @@ const createEnvironment = () => {
};
const getEnvironment = () => {
- if (!Y) {
- Y = createEnvironment();
+ if (!V) {
+ V = createEnvironment();
}
- return Y;
+ return V;
};
const resolveInitialization = (t, n) => isFunction(t) ? t.apply(0, n) : t;
@@ -979,9 +975,9 @@ const dynamicInitializationElement = (t, n, e, o) => {
return true === s || isNull(s) || isUndefined(s) ? n.apply(0, t) : s;
};
-let W = 0;
+let Y = 0;
-const X = createDiv.bind(0, "");
+const q = createDiv.bind(0, "");
const unwrap = t => {
appendChildren(parent(t), contents(t));
@@ -989,12 +985,12 @@ const unwrap = t => {
};
const createUniqueViewportArrangeElement = () => {
- const {T: t, I: n, D: e} = getEnvironment();
+ const {$: t, T: n, D: e} = getEnvironment();
const o = !e && !t && (n.x || n.y);
const s = o ? document.createElement("style") : false;
if (s) {
- attr(s, "id", `${L}-${W}`);
- W++;
+ attr(s, "id", `${L}-${Y}`);
+ Y++;
}
return s;
};
@@ -1005,8 +1001,8 @@ const addDataAttrHost = (t, n) => {
};
const createStructureSetupElements = t => {
- const {N: n, T: e} = getEnvironment();
- const {B: o, U: s, A: c, $: i} = n();
+ const {N: n, $: e} = getEnvironment();
+ const {B: o, U: s, A: c, I: i} = n();
const r = isHTMLElement(t);
const a = t;
const l = r ? t : a.target;
@@ -1017,15 +1013,15 @@ const createStructureSetupElements = t => {
const h = _.defaultView;
const p = !!u && !f && e;
const v = staticInitializationElement.bind(0, [ l ]);
- const w = dynamicInitializationElement.bind(0, [ l ]);
- const b = [ v(X, s, a.viewport), v(X, s), v(X) ].filter((t => !p ? t !== l : true))[0];
- const y = b === l;
+ const b = dynamicInitializationElement.bind(0, [ l ]);
+ const w = [ v(q, s, a.viewport), v(q, s), v(q) ].filter((t => !p ? t !== l : true))[0];
+ const y = w === l;
const x = {
Y: l,
- B: f ? v(X, o, a.host) : l,
- U: b,
- A: !y && w(X, c, a.padding),
- $: !y && w(X, i, a.content),
+ B: f ? v(q, o, a.host) : l,
+ U: w,
+ A: !y && b(q, c, a.padding),
+ I: !y && b(q, i, a.content),
q: !y && createUniqueViewportArrangeElement(),
G: h,
W: _,
@@ -1035,15 +1031,15 @@ const createStructureSetupElements = t => {
Z: d,
tt: r,
nt: y,
- et: (t, n) => y ? hasAttrClass(b, m, n) : hasClass(b, t),
- ot: (t, n, e) => y ? attrClass(b, m, n, e) : (e ? addClass : removeClass)(b, t)
+ et: (t, n) => y ? hasAttrClass(w, m, n) : hasClass(w, t),
+ ot: (t, n, e) => y ? attrClass(w, m, n, e) : (e ? addClass : removeClass)(w, t)
};
const O = keys(x).reduce(((t, n) => {
const e = x[n];
return push(t, e && !parent(e) ? e : false);
}), []);
const elementIsGenerated = t => t ? indexOf(O, t) > -1 : null;
- const {Y: L, B: z, A: D, U: E, $: P, q: M} = x;
+ const {Y: L, B: z, A: D, U: E, I: P, q: M} = x;
const j = [];
const N = f && elementIsGenerated(z);
const R = f ? L : contents([ P, E, D, z, L ].find((t => false === elementIsGenerated(t))));
@@ -1051,8 +1047,8 @@ const createStructureSetupElements = t => {
const appendElements = () => {
const t = addDataAttrHost(z, y ? "viewport" : "host");
const n = addClass(D, A);
- const o = addClass(E, !y && $);
- const s = addClass(P, I);
+ const o = addClass(E, !y && I);
+ const s = addClass(P, T);
if (N) {
insertAfter(L, z);
push(j, (() => {
@@ -1082,18 +1078,18 @@ const createStructureSetupElements = t => {
s();
}));
if (e && !y) {
- push(j, removeClass.bind(0, E, T));
+ push(j, removeClass.bind(0, E, $));
}
if (M) {
insertBefore(E, M);
push(j, removeElements.bind(0, M));
}
};
- return [ x, appendElements, runEach.bind(0, j) ];
+ return [ x, appendElements, runEachAndClear.bind(0, j) ];
};
const createTrinsicUpdate = (t, n) => {
- const {$: e} = t;
+ const {I: e} = t;
const [o] = n;
return t => {
const {M: n} = getEnvironment();
@@ -1121,17 +1117,17 @@ const createPaddingUpdate = (t, n) => {
}, topRightBottomLeft.bind(0, s, "padding", ""));
return (t, n, s) => {
let [u, f] = l(s);
- const {T: d, M: _} = getEnvironment();
+ const {$: d, M: _} = getEnvironment();
const {lt: g} = e();
const {it: h, rt: p, ut: v} = t;
- const [w, b] = n("paddingAbsolute");
+ const [b, w] = n("paddingAbsolute");
const y = !_ && p;
if (h || f || y) {
[u, f] = a(s);
}
- const m = !r && (b || v || f);
+ const m = !r && (w || v || f);
if (m) {
- const t = !w || !c && !d;
+ const t = !b || !c && !d;
const n = u.r + u.l;
const e = u.t + u.b;
const s = {
@@ -1163,15 +1159,15 @@ const createPaddingUpdate = (t, n) => {
};
};
-const {max: J} = Math;
+const {max: G} = Math;
-const K = "visible";
+const W = "visible";
-const Q = "hidden";
+const X = "hidden";
-const Z = 42;
+const J = 42;
-const tt = {
+const K = {
u: equalWH,
o: {
w: 0,
@@ -1179,19 +1175,19 @@ const tt = {
}
};
-const nt = {
+const Q = {
u: equalXY,
o: {
- x: Q,
- y: Q
+ x: X,
+ y: X
}
};
const getOverflowAmount = (t, n, e) => {
const o = window.devicePixelRatio % 1 !== 0 ? 1 : 0;
const s = {
- w: J(0, t.w - n.w - J(0, e.w)),
- h: J(0, t.h - n.h - J(0, e.h))
+ w: G(0, t.w - n.w - G(0, e.w)),
+ h: G(0, t.h - n.h - G(0, e.h))
};
return {
w: s.w > o ? s.w : 0,
@@ -1201,17 +1197,17 @@ const getOverflowAmount = (t, n, e) => {
const conditionalClass = (t, n, e) => e ? addClass(t, n) : removeClass(t, n);
-const overflowIsVisible = t => 0 === t.indexOf(K);
+const overflowIsVisible = t => 0 === t.indexOf(W);
const createOverflowUpdate = (t, n) => {
const [e, o] = n;
const {B: s, A: c, U: i, q: r, nt: a, ot: l} = t;
- const {L: u, M: f, T: d, I: _} = getEnvironment();
+ const {L: u, M: f, $: d, T: _} = getEnvironment();
const g = !a && !d && (_.x || _.y);
- const [h, p] = createCache(tt, fractionalSize.bind(0, i));
- const [v, w] = createCache(tt, scrollSize.bind(0, i));
- const [b, y] = createCache(tt);
- const [A] = createCache(nt);
+ const [h, p] = createCache(K, fractionalSize.bind(0, i));
+ const [v, b] = createCache(K, scrollSize.bind(0, i));
+ const [w, y] = createCache(K);
+ const [A] = createCache(Q);
const fixFlexboxGlue = (t, n) => {
style(i, {
height: ""
@@ -1230,7 +1226,7 @@ const createOverflowUpdate = (t, n) => {
}
};
const getViewportOverflowState = (t, n) => {
- const e = !d && !t ? Z : 0;
+ const e = !d && !t ? J : 0;
const getStatePerAxis = (t, o, s) => {
const c = style(i, t);
const r = n ? n[t] : c;
@@ -1255,7 +1251,7 @@ const createOverflowUpdate = (t, n) => {
x: c,
y: f
},
- wt: {
+ bt: {
x: r,
y: g
}
@@ -1264,7 +1260,7 @@ const createOverflowUpdate = (t, n) => {
const setViewportOverflowState = (t, n, e, o) => {
const setAxisOverflowStyle = (t, n) => {
const e = overflowIsVisible(t);
- const o = n && e && t.replace(`${K}-`, "") || "";
+ const o = n && e && t.replace(`${W}-`, "") || "";
return [ n && !e ? t : "", overflowIsVisible(o) ? "hidden" : o ];
};
const [s, c] = setAxisOverflowStyle(e.x, n.x);
@@ -1276,17 +1272,17 @@ const createOverflowUpdate = (t, n) => {
const arrangeViewport = (t, n, o, s) => {
if (g) {
const {dt: c} = e();
- const {ht: a, wt: l} = t;
+ const {ht: a, bt: l} = t;
const {x: u, y: f} = l;
const {x: d, y: _} = a;
const g = s ? "paddingRight" : "paddingLeft";
const h = c[g];
const p = c.paddingTop;
const v = n.w + o.w;
- const w = n.h + o.h;
- const b = {
+ const b = n.h + o.h;
+ const w = {
w: _ && f ? `${_ + v - h}px` : "",
- h: d && u ? `${d + w - p}px` : ""
+ h: d && u ? `${d + b - p}px` : ""
};
if (r) {
const {sheet: t} = r;
@@ -1297,21 +1293,21 @@ const createOverflowUpdate = (t, n) => {
t.insertRule(`#${attr(r, "id")} + .${L}::before {}`, 0);
}
const e = n[0].style;
- e.width = b.w;
- e.height = b.h;
+ e.width = w.w;
+ e.height = w.h;
}
}
} else {
style(i, {
- "--os-vaw": b.w,
- "--os-vah": b.h
+ "--os-vaw": w.w,
+ "--os-vah": w.h
});
}
}
return g;
};
const hideNativeScrollbars = (t, n, o, s) => {
- const {ht: c, wt: i} = t;
+ const {ht: c, bt: i} = t;
const {x: r, y: a} = i;
const {x: l, y: u} = c;
const {dt: f} = e();
@@ -1333,7 +1329,7 @@ const createOverflowUpdate = (t, n) => {
if (g) {
const s = o || getViewportOverflowState(t);
const {dt: c} = e();
- const {wt: r} = s;
+ const {bt: r} = s;
const {x: a, y: l} = r;
const u = {};
const assignProps = t => each(t.split(" "), (t => {
@@ -1360,31 +1356,31 @@ const createOverflowUpdate = (t, n) => {
return [ noop ];
};
return (t, n, r) => {
- const {it: u, bt: g, rt: $, _t: L, ct: I, ut: D} = t;
+ const {it: u, wt: g, rt: I, _t: L, ct: T, ut: D} = t;
const {st: E, lt: P} = e();
const [M, j] = n("nativeScrollbarsOverlaid.show");
const [N, R] = n("overflow");
const H = M && _.x && _.y;
- const F = !a && !f && (u || $ || g || j || I);
+ const F = !a && !f && (u || I || g || j || T);
const k = overflowIsVisible(N.x);
const V = overflowIsVisible(N.y);
const B = k || V;
let U = p(r);
- let Y = w(r);
+ let Y = b(r);
let q = y(r);
- let G;
+ let W;
if (j && d) {
- l(T, O, !H);
+ l($, O, !H);
}
if (F) {
- G = getViewportOverflowState(H);
- fixFlexboxGlue(G, E);
+ W = getViewportOverflowState(H);
+ fixFlexboxGlue(W, E);
}
- if (u || L || $ || D || j) {
+ if (u || L || I || D || j) {
if (B) {
l(z, x, false);
}
- const [t, n] = undoViewportArrange(H, P, G);
+ const [t, n] = undoViewportArrange(H, P, W);
const [e, o] = U = h(r);
const [s, c] = Y = v(r);
const a = clientSize(i);
@@ -1395,23 +1391,23 @@ const createOverflowUpdate = (t, n) => {
f = clientSize(i);
u = scrollSize(i);
}
- q = b(getOverflowAmount({
- w: J(s.w, u.w),
- h: J(s.h, u.h)
+ q = w(getOverflowAmount({
+ w: G(s.w, u.w),
+ h: G(s.h, u.h)
}, {
- w: f.w + J(0, a.w - s.w),
- h: f.h + J(0, a.h - s.h)
+ w: f.w + G(0, a.w - s.w),
+ h: f.h + G(0, a.h - s.h)
}, e), r);
}
- const [W, X] = q;
+ const [X, J] = q;
const [K, Q] = Y;
const [Z, tt] = U;
const nt = {
- x: W.w > 0,
- y: W.h > 0
+ x: X.w > 0,
+ y: X.h > 0
};
const et = k && V && (nt.x || nt.y) || k && nt.x && !nt.y || V && nt.y && !nt.x;
- if (L || D || tt || Q || X || R || j || F) {
+ if (L || D || tt || Q || J || R || j || F) {
const t = {
marginRight: 0,
marginBottom: 0,
@@ -1442,14 +1438,14 @@ const createOverflowUpdate = (t, n) => {
o({
vt: ot,
yt: {
- x: W.w,
- y: W.h
+ x: X.w,
+ y: X.h
},
St: nt
});
return {
Ct: st,
- xt: X
+ xt: J
};
};
};
@@ -1468,7 +1464,7 @@ const prepareUpdateHints = (t, n, e) => {
const createStructureSetupUpdate = (t, n) => {
const {U: e} = t;
- const {T: o, I: s, M: c} = getEnvironment();
+ const {$: o, T: s, M: c} = getEnvironment();
const i = !o && (s.x || s.y);
const r = [ createTrinsicUpdate(t, n), createPaddingUpdate(t, n), createOverflowUpdate(t, n) ];
return (t, n, o) => {
@@ -1479,7 +1475,7 @@ const createStructureSetupUpdate = (t, n) => {
ct: false,
xt: false,
Ct: false,
- bt: false,
+ wt: false,
rt: false
}, n), {}, o);
const a = i || !c;
@@ -1499,11 +1495,11 @@ const createStructureSetupUpdate = (t, n) => {
};
};
-const et = "animationstart";
+const Z = "animationstart";
-const ot = "scroll";
+const tt = "scroll";
-const st = 3333333;
+const nt = 3333333;
const getElmDirectionIsRTL = t => "rtl" === style(t, "direction");
@@ -1516,7 +1512,7 @@ const createSizeObserver = (t, n, e) => {
const r = i[0];
const a = r.firstChild;
const l = getElmDirectionIsRTL.bind(0, r);
- const [_] = createCache({
+ const [f] = createCache({
o: void 0,
_: true,
u: (t, n) => !(!t || !domRectHasDimensions(t) && domRectHasDimensions(n))
@@ -1528,7 +1524,7 @@ const createSizeObserver = (t, n, e) => {
let a = false;
let l = true;
if (e) {
- const [n, , e] = _(t.pop().contentRect);
+ const [n, , e] = f(t.pop().contentRect);
const o = domRectHasDimensions(n);
const s = domRectHasDimensions(e);
i = !e || !o;
@@ -1541,79 +1537,33 @@ const createSizeObserver = (t, n, e) => {
}
if (o && l) {
const n = s ? t[0] : getElmDirectionIsRTL(r);
- scrollLeft(r, n ? c.n ? -st : c.i ? 0 : st : st);
- scrollTop(r, st);
+ scrollLeft(r, n ? c.n ? -nt : c.i ? 0 : nt : nt);
+ scrollTop(r, nt);
}
if (!i) {
n({
it: !s,
- $t: s ? t : void 0,
+ It: s ? t : void 0,
At: !!a
});
}
};
- const g = [];
- let h = s ? onSizeChangedCallbackProxy : false;
- let p;
+ const d = [];
+ let _ = s ? onSizeChangedCallbackProxy : false;
+ let g;
if (u) {
const t = new u(onSizeChangedCallbackProxy);
t.observe(a);
- push(g, (() => {
+ push(d, (() => {
t.disconnect();
}));
- } else {
- const t = createDOM(``);
- appendChildren(a, t);
- addClass(a, M);
- const n = t[0];
- const e = n.lastChild;
- const o = n.firstChild;
- const c = null == o ? void 0 : o.firstChild;
- let i = offsetSize(n);
- let r = i;
- let l = false;
- let u;
- const reset = () => {
- scrollLeft(o, st);
- scrollTop(o, st);
- scrollLeft(e, st);
- scrollTop(e, st);
- };
- const onResized = t => {
- u = 0;
- if (l) {
- i = r;
- onSizeChangedCallbackProxy(true === t);
- }
- };
- const onScroll = t => {
- r = offsetSize(n);
- l = !t || !equalWH(r, i);
- if (t) {
- stopAndPrevent(t);
- if (l && !u) {
- f(u);
- u = d(onResized);
- }
- } else {
- onResized(false === t);
- }
- reset();
- };
- push(g, [ on(o, ot, onScroll), on(e, ot, onScroll) ]);
- style(c, {
- width: st,
- height: st
- });
- reset();
- h = s ? onScroll.bind(0, false) : reset;
}
if (o) {
- p = createCache({
+ g = createCache({
o: !l()
}, l);
- const [t] = p;
- push(g, on(r, ot, (n => {
+ const [t] = g;
+ push(d, on(r, tt, (n => {
const e = t();
const [o, s] = e;
if (s) {
@@ -1628,15 +1578,15 @@ const createSizeObserver = (t, n, e) => {
stopAndPrevent(n);
})));
}
- if (h) {
+ if (_) {
addClass(r, E);
- push(g, on(r, et, h, {
+ push(d, on(r, Z, _, {
O: !!u
}));
}
prependChildren(t, r);
return () => {
- runEach(g);
+ runEachAndClear(d);
removeElements(r);
};
};
@@ -1644,7 +1594,7 @@ const createSizeObserver = (t, n, e) => {
const isHeightIntrinsic = t => 0 === t.h || t.isIntersecting || t.intersectionRatio > 0;
const createTrinsicObserver = (t, n) => {
- const e = createDiv(R);
+ const e = createDiv(M);
const o = [];
const [s] = createCache({
o: false
@@ -1680,7 +1630,7 @@ const createTrinsicObserver = (t, n) => {
}
prependChildren(t, e);
return () => {
- runEach(o);
+ runEachAndClear(o);
removeElements(e);
};
};
@@ -1735,7 +1685,7 @@ const createEventContentChange = (t, n, e) => {
const createDOMObserver = (t, n, e, o) => {
let s = false;
- const {Lt: c, It: i, Tt: r, zt: l, Dt: u, Et: f} = o || {};
+ const {Lt: c, Tt: i, $t: r, zt: l, Dt: u, Et: f} = o || {};
const [d, _] = createEventContentChange(t, debounce((() => {
if (s) {
e(true);
@@ -1757,21 +1707,21 @@ const createDOMObserver = (t, n, e, o) => {
let p = false;
each(s, (e => {
const {attributeName: s, target: u, type: f, oldValue: _, addedNodes: v} = e;
- const w = "attributes" === f;
- const b = "childList" === f;
+ const b = "attributes" === f;
+ const w = "childList" === f;
const y = t === u;
- const m = w && isString(s) ? attr(u, s) : 0;
+ const m = b && isString(s) ? attr(u, s) : 0;
const S = 0 !== m && _ !== m;
const C = indexOf(h, s) > -1 && S;
if (n && !y) {
- const n = !w;
- const r = w && C;
+ const n = !b;
+ const r = b && C;
const f = r && l && is(u, l);
const d = f ? !c(u, s, _, m) : n || r;
const h = d && !i(e, !!f, t, o);
push(a, v);
g = g || h;
- p = p || b;
+ p = p || w;
}
if (!n && y && S && !c(u, s, _, m)) {
push(r, s);
@@ -1813,23 +1763,23 @@ const createDOMObserver = (t, n, e, o) => {
} ];
};
-const ct = `[${m}]`;
+const et = `[${m}]`;
-const it = `.${$}`;
+const ot = `.${I}`;
-const rt = [ "tabindex" ];
+const st = [ "tabindex" ];
-const at = [ "wrap", "cols", "rows" ];
+const ct = [ "wrap", "cols", "rows" ];
-const lt = [ "id", "class", "style", "open" ];
+const it = [ "id", "class", "style", "open" ];
const createStructureSetupObservers = (t, n, e) => {
let o;
let s;
let c;
const [, i] = n;
- const {B: r, U: a, $: l, K: f, nt: d, et: _, ot: g} = t;
- const {T: h, M: p} = getEnvironment();
+ const {B: r, U: a, I: l, K: f, nt: d, et: _, ot: g} = t;
+ const {$: h, M: p} = getEnvironment();
const [v] = createCache({
u: equalWH,
o: {
@@ -1848,8 +1798,8 @@ const createStructureSetupObservers = (t, n, e) => {
h: e.h + n.h + o.h
};
}));
- const w = f ? at : lt.concat(at);
- const b = debounce(e, {
+ const b = f ? ct : it.concat(ct);
+ const w = debounce(e, {
g: () => o,
p: () => s,
v(t, n) {
@@ -1862,8 +1812,8 @@ const createStructureSetupObservers = (t, n, e) => {
}
});
const updateViewportAttrsFromHost = t => {
- each(t || rt, (t => {
- if (indexOf(rt, t) > -1) {
+ each(t || st, (t => {
+ if (indexOf(st, t) > -1) {
const n = attr(r, t);
if (isString(n)) {
attr(a, t, n);
@@ -1882,8 +1832,8 @@ const createStructureSetupObservers = (t, n, e) => {
ct: o
});
};
- const onSizeChanged = ({it: t, $t: n, At: o}) => {
- const s = !t || o ? e : b;
+ const onSizeChanged = ({it: t, It: n, At: o}) => {
+ const s = !t || o ? e : w;
let c = false;
if (n) {
const [t, e] = n;
@@ -1899,7 +1849,7 @@ const createStructureSetupObservers = (t, n, e) => {
};
const onContentMutation = t => {
const [, n] = v();
- const o = t ? e : b;
+ const o = t ? e : w;
if (n) {
o({
rt: true
@@ -1908,8 +1858,8 @@ const createStructureSetupObservers = (t, n, e) => {
};
const onHostMutation = (t, n) => {
if (n) {
- b({
- bt: true
+ w({
+ wt: true
});
} else if (!d) {
updateViewportAttrsFromHost(t);
@@ -1921,8 +1871,8 @@ const createStructureSetupObservers = (t, n, e) => {
Ot: !h
});
const [S] = createDOMObserver(r, false, onHostMutation, {
- It: lt,
- Lt: lt.concat(rt)
+ Tt: it,
+ Lt: it.concat(st)
});
const C = d && new u(onSizeChanged.bind(0, {
it: true
@@ -1942,19 +1892,19 @@ const createStructureSetupObservers = (t, n, e) => {
c[0]();
}
c = createDOMObserver(l || a, true, onContentMutation, {
- It: w.concat(e || []),
- Lt: w.concat(e || []),
- Tt: r,
- zt: ct,
+ Tt: b.concat(e || []),
+ Lt: b.concat(e || []),
+ $t: r,
+ zt: et,
Et: (t, n) => {
const {target: e, attributeName: o} = t;
- const s = !n && o ? liesBetween(e, ct, it) : false;
+ const s = !n && o ? liesBetween(e, et, ot) : false;
return s || !!ignoreMutationFromOptions(t);
}
});
}
if (d) {
- b.m();
+ w.m();
if (isArray(f)) {
const t = f[0];
const n = f[1];
@@ -1977,7 +1927,7 @@ const createStructureSetupObservers = (t, n, e) => {
} ];
};
-const ut = {
+const rt = {
A: {
t: 0,
r: 0,
@@ -2012,7 +1962,7 @@ const ut = {
const createStructureSetup = (t, n) => {
const e = createOptionCheck(n, {});
- const o = createState(ut);
+ const o = createState(rt);
const [s, c, i] = createEventListenerHub();
const [r] = o;
const [a, l, u] = createStructureSetupElements(t);
@@ -2038,9 +1988,9 @@ const createStructureSetup = (t, n) => {
};
const generateScrollbarDOM = t => {
- const n = createDiv(`${H} ${t}`);
- const e = createDiv(V);
- const o = createDiv(B);
+ const n = createDiv(`${j} ${t}`);
+ const e = createDiv(H);
+ const o = createDiv(F);
appendChildren(n, e);
appendChildren(e, o);
return {
@@ -2056,8 +2006,8 @@ const createScrollbarsSetupElements = (t, n) => {
const {Y: s, B: c, U: i, tt: r} = n;
const a = !r && t.scrollbarsSlot;
const l = dynamicInitializationElement([ s, c, i ], (() => c), o, a);
- const u = generateScrollbarDOM(F);
- const f = generateScrollbarDOM(k);
+ const u = generateScrollbarDOM(N);
+ const f = generateScrollbarDOM(R);
const {Nt: d} = u;
const {Nt: _} = f;
const appendElements = () => {
@@ -2085,15 +2035,15 @@ const createScrollbarsSetup = (t, n, e) => {
} ];
};
-const ft = {};
+const at = {};
-const getPlugins = () => assignDeep({}, ft);
+const getPlugins = () => assignDeep({}, at);
const addPlugin = t => each(isArray(t) ? t : [ t ], (t => {
- ft[t[0]] = t[1];
+ at[t[0]] = t[1];
}));
-const dt = {
+const lt = {
boolean: "__TPL_boolean_TYPE__",
number: "__TPL_number_TYPE__",
string: "__TPL_string_TYPE__",
@@ -2103,72 +2053,72 @@ const dt = {
null: "__TPL_null_TYPE__"
};
-const _t = dt.number;
+const ut = lt.number;
-const gt = dt.boolean;
+const ft = lt.boolean;
-const ht = [ dt.array, dt.null ];
+const dt = [ lt.array, lt.null ];
-const pt = "hidden scroll visible visible-hidden";
+const _t = "hidden scroll visible visible-hidden";
-const vt = "visible hidden auto";
+const gt = "visible hidden auto";
-const wt = "never scroll leavemove";
+const ht = "never scroll leavemove";
({
- paddingAbsolute: gt,
+ paddingAbsolute: ft,
updating: {
- elementEvents: ht,
- attributes: ht,
- debounce: [ dt.number, dt.array, dt.null ],
- ignoreMutation: [ dt.function, dt.null ]
+ elementEvents: dt,
+ attributes: dt,
+ debounce: [ lt.number, lt.array, lt.null ],
+ ignoreMutation: [ lt.function, lt.null ]
},
overflow: {
- x: pt,
- y: pt
+ x: _t,
+ y: _t
},
scrollbars: {
- visibility: vt,
- autoHide: wt,
- autoHideDelay: _t,
- dragScroll: gt,
- clickScroll: gt,
- touch: gt
+ visibility: gt,
+ autoHide: ht,
+ autoHideDelay: ut,
+ dragScroll: ft,
+ clickScroll: ft,
+ touch: ft
},
nativeScrollbarsOverlaid: {
- show: gt,
- initialize: gt
+ show: ft,
+ initialize: ft
}
});
-const bt = "__osOptionsValidationPlugin";
+const pt = "__osOptionsValidationPlugin";
-const yt = new Set;
+const vt = new Set;
-const mt = new WeakMap;
+const bt = new WeakMap;
const addInstance = (t, n) => {
- mt.set(t, n);
- yt.add(t);
+ bt.set(t, n);
+ vt.add(t);
};
const removeInstance = t => {
- mt.delete(t);
- yt.delete(t);
+ bt.delete(t);
+ vt.delete(t);
};
-const getInstance = t => mt.get(t);
+const getInstance = t => bt.get(t);
const OverlayScrollbars = (t, n, e) => {
let o = false;
- const {H: s, I: c, j: i} = getEnvironment();
+ const {H: s, T: c, j: i} = getEnvironment();
const r = getPlugins();
const a = isHTMLElement(t) ? t : t.target;
const l = getInstance(a);
if (l) {
return l;
}
- const u = r[bt];
+ const u = r[pt];
const validateOptions = t => {
const n = t || {};
const e = u && u.Bt;
@@ -2177,10 +2127,10 @@ const OverlayScrollbars = (t, n, e) => {
const f = assignDeep({}, s(), validateOptions(n));
const [d, _, g] = createEventListenerHub(e);
const [h, p, v] = createStructureSetup(t, f);
- const [w, b, y] = createScrollbarsSetup(t, f, p.jt);
+ const [b, w, y] = createScrollbarsSetup(t, f, p.jt);
const update = (t, n) => {
h(t, n);
- w(t, n);
+ b(t, n);
};
const m = i(update.bind(0, {}, true));
const destroy = t => {
@@ -2204,7 +2154,9 @@ const OverlayScrollbars = (t, n, e) => {
return assignDeep({}, f);
},
on: d,
- off: _,
+ off: (t, n) => {
+ t && n && _(t, n);
+ },
state() {
const {yt: t, vt: n, St: e, A: s, ft: c} = p();
return assignDeep({}, {
@@ -2217,7 +2169,7 @@ const OverlayScrollbars = (t, n, e) => {
});
},
elements() {
- const {Y: t, B: n, A: e, U: o, $: s} = p.jt;
+ const {Y: t, B: n, A: e, U: o, I: s} = p.jt;
return assignDeep({}, {
target: t,
host: n,
@@ -2232,22 +2184,22 @@ const OverlayScrollbars = (t, n, e) => {
},
destroy: destroy.bind(0)
};
- if (c.x && c.y && !f.nativeScrollbarsOverlaid.initialize) {
- destroy(true);
- return S;
- }
each(keys(r), (t => {
const n = r[t];
if (isFunction(n)) {
n(OverlayScrollbars, S);
}
}));
+ if (c.x && c.y && !f.nativeScrollbarsOverlaid.initialize) {
+ destroy(true);
+ return S;
+ }
p.Mt();
- b.Mt();
+ w.Mt();
addInstance(a, S);
g("initialized", [ S ]);
p.Pt(((t, n, e) => {
- const {it: o, ut: s, ct: c, xt: i, Ct: r, rt: a, bt: l} = t;
+ const {it: o, ut: s, ct: c, xt: i, Ct: r, rt: a, wt: l} = t;
g("updated", [ S, {
updateHints: {
sizeChanged: o,
@@ -2268,7 +2220,7 @@ const OverlayScrollbars = (t, n, e) => {
OverlayScrollbars.plugin = addPlugin;
OverlayScrollbars.env = () => {
- const {L: t, I: n, T: e, P: o, M: s, D: c, k: i, V: r, N: a, R: l, H: u, F: f} = getEnvironment();
+ const {L: t, T: n, $: e, P: o, M: s, D: c, k: i, V: r, N: a, R: l, H: u, F: f} = getEnvironment();
return assignDeep({}, {
scrollbarSize: t,
scrollbarIsOverlaid: n,
diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map
index da3f97e..ece4123 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/cache.ts","../src/support/utils/types.ts","../src/support/utils/array.ts","../src/support/utils/object.ts","../src/support/dom/attribute.ts","../src/support/dom/style.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/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/plugins/plugins.ts","../src/plugins/optionsValidation/validation.ts","../src/plugins/optionsValidation/optionsValidation.ts","../src/instances.ts","../src/overlayscrollbars.ts"],"sourcesContent":["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\nexport function createCache(options: CacheOptions): CacheContextual;\r\nexport function createCache(\r\n options: CacheOptions,\r\n update: CacheUpdater\r\n): Cache;\r\nexport function 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 function isUndefined(obj: any): obj is undefined {\r\n return obj === undefined;\r\n}\r\n\r\nexport function isNull(obj: any): obj is null {\r\n return obj === null;\r\n}\r\n\r\nexport const type: (obj: any) => string = (obj) =>\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 function isNumber(obj: any): obj is number {\r\n return typeof obj === 'number';\r\n}\r\n\r\nexport function isString(obj: any): obj is string {\r\n return typeof obj === 'string';\r\n}\r\n\r\nexport function isBoolean(obj: any): obj is boolean {\r\n return typeof obj === 'boolean';\r\n}\r\n\r\nexport function isFunction(obj: any): obj is (...args: any[]) => any {\r\n return typeof obj === 'function';\r\n}\r\n\r\nexport function isArray(obj: any): obj is Array {\r\n return Array.isArray(obj);\r\n}\r\n\r\nexport function isObject(obj: any): boolean {\r\n return typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n}\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 function 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 function 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 function isHTMLElement(obj: any): obj is HTMLElement {\r\n const instanceofObj = window.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 function isElement(obj: any): obj is Element {\r\n const instanceofObj = window.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 { 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 | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | 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 | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | 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 | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | null | undefined;\r\nexport function each(\r\n source: ArrayLike | PlainObject | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ReadonlyArray | ArrayLike | PlainObject | 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 if (Array.from && arr) {\r\n return Array.from(arr);\r\n }\r\n const result: T[] = [];\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 p1 The first param.\r\n */\r\nexport const runEach = (arr: ArrayLike | Set, args?: any[]): void => {\r\n // eslint-disable-next-line prefer-spread\r\n const runFn = (fn: RunEachItem) => fn && fn.apply(undefined, args || []);\r\n if (arr instanceof Set) {\r\n arr.forEach(runFn);\r\n } else {\r\n each(arr, runFn);\r\n }\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\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport function assignDeep(target: T, object1: U): T & U;\r\nexport function assignDeep(target: T, object1: U, object2: V): T & U & V;\r\nexport function assignDeep(\r\n target: T,\r\n object1: U,\r\n object2: V,\r\n object3: W\r\n): T & U & V & W;\r\nexport function assignDeep(\r\n target: T,\r\n object1: U,\r\n object2: V,\r\n object3: W,\r\n object4: X\r\n): T & U & V & W & X;\r\nexport function 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): T & U & V & W & X & Y;\r\nexport function 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 function 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\nfunction 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 function attr(elm: HTMLElement | false | null | undefined, attrName: string): string | null;\r\nexport function attr(\r\n elm: HTMLElement | false | null | undefined,\r\n attrName: string,\r\n value: string\r\n): void;\r\nexport function 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}\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 function scrollLeft(elm: HTMLElement | false | null | undefined): number;\r\nexport function scrollLeft(elm: HTMLElement | false | null | undefined, value: number): void;\r\nexport function scrollLeft(\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void {\r\n return getSetProp('scrollLeft', 0, elm, value) as number;\r\n}\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 function scrollTop(elm: HTMLElement | false | null | undefined): number;\r\nexport function scrollTop(elm: HTMLElement | false | null | undefined, value: number): void;\r\nexport function scrollTop(\r\n elm: HTMLElement | false | null | undefined,\r\n value?: number\r\n): number | void {\r\n return getSetProp('scrollTop', 0, elm, value) as number;\r\n}\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 function val(elm: HTMLInputElement | false | null | undefined): string;\r\nexport function val(elm: HTMLInputElement | false | null | undefined, value: string): void;\r\nexport function val(\r\n elm: HTMLInputElement | false | null | undefined,\r\n value?: string\r\n): string | void {\r\n return getSetProp('value', '', elm, value) as string;\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 /* istanbul ignore next */\r\n return Number.isNaN(num) ? 0 : num;\r\n};\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number =>\r\n !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;\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\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","import { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Element | Node | false | null | undefined;\r\ntype OutputElementType = 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 };\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 = jsAPI(\r\n 'IntersectionObserver'\r\n);\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\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\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: Element | false | null | undefined,\r\n className: string | false | null | undefined,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): boolean => {\r\n let clazz: string;\r\n let i = 0;\r\n let result = false;\r\n\r\n if (elm && 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(elm.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 = (\r\n elm: Element | false | null | undefined,\r\n className: string | false | null | undefined\r\n): boolean => 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 = (\r\n elm: Element | false | null | undefined,\r\n className: string | false | null | undefined\r\n): 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 = (\r\n elm: Element | false | null | undefined,\r\n className: string | false | null | undefined\r\n): (() => 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 = (\r\n classNameA: string | null | undefined,\r\n classNameB: string | null | undefined\r\n) => {\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 } from 'support/compatibility/apis';\r\n\r\nconst clearTimeouts = (id: number | undefined) => {\r\n id && window.clearTimeout(id);\r\n id && cAF!(id);\r\n};\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 timeoutId: number | undefined;\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n const { _timeout, _maxDelay, _mergeParams } = options || {};\r\n const setT = window.setTimeout;\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clearTimeouts(timeoutId);\r\n clearTimeouts(maxTimeoutId);\r\n maxTimeoutId = timeoutId = prevArguments = undefined;\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 (timeoutId) {\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 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 clearTimeouts(timeoutId);\r\n // @ts-ignore\r\n timeoutId = setTimeoutFn(boundInvoke, finalTimeout as number) as number;\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, runEach } 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: function () {\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) || false;\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 = (once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener) 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 runEach.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\r\n const events = new Map>();\r\n\r\n function removeEvent(\r\n name?: Name,\r\n listener?: EventListener\r\n ): void;\r\n function removeEvent(\r\n name?: Name,\r\n listener?: EventListener[]\r\n ): void;\r\n function 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 function addEvent(\r\n name: Name,\r\n listener: EventListener\r\n ): () => void;\r\n function addEvent(\r\n name: Name,\r\n listener: EventListener[]\r\n ): () => void;\r\n function 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 function triggerEvent(name: Name, args?: EventMap[Name]): 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 [\r\n typeof addEvent,\r\n typeof removeEvent,\r\n typeof triggerEvent\r\n ];\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 = (changedOptions: PartialOptions, force?: boolean) => T;\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 = Record> = [\r\n update: SetupUpdate,\r\n state: (() => DynamicState) & StaticState,\r\n destroy: () => void\r\n];\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\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 VisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type AutoHideBehavior = '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: VisibilityBehavior;\r\n autoHide: AutoHideBehavior;\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 {\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 windowSize,\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\n\r\ntype EnvironmentEventMap = {\r\n _: [];\r\n};\r\n\r\nexport interface InternalEnvironment {\r\n readonly _nativeScrollbarSize: XY;\r\n readonly _nativeScrollbarIsOverlaid: XY;\r\n readonly _nativeScrollbarStyling: 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\nconst { abs, round } = Math;\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\nconst getNativeScrollbarSize = (\r\n body: HTMLElement,\r\n measureElm: HTMLElement,\r\n measureElmChild: HTMLElement\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 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 getNativeScrollbarStyling = (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 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 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 _initialValue: getNativeScrollbarSize(body, envElm, envChildElm),\r\n _equal: equalXY,\r\n });\r\n const [nativeScrollbarSize] = getNativeScrollbarSizeCache();\r\n const nativeScrollbarStyling = getNativeScrollbarStyling(envElm);\r\n const nativeScrollbarIsOverlaid = {\r\n x: nativeScrollbarSize.x === 0,\r\n y: nativeScrollbarSize.y === 0,\r\n };\r\n const initializationStrategy = {\r\n _padding: !nativeScrollbarStyling,\r\n _content: false,\r\n };\r\n const defaultDefaultOptions = assignDeep({}, defaultOptions);\r\n\r\n const env: InternalEnvironment = {\r\n _nativeScrollbarSize: nativeScrollbarSize,\r\n _nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,\r\n _nativeScrollbarStyling: nativeScrollbarStyling,\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 (!nativeScrollbarStyling && (!nativeScrollbarIsOverlaid.x || !nativeScrollbarIsOverlaid.y)) {\r\n let size = windowSize();\r\n let dpr = getWindowDPR();\r\n\r\n window.addEventListener('resize', () => {\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) return;\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 && dpr > 0;\r\n const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n if (isZoom) {\r\n const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache(\r\n getNativeScrollbarSize(body, envElm, envChildElm)\r\n );\r\n\r\n assignDeep(environmentInstance._nativeScrollbarSize, scrollbarSize); // keep the object same!\r\n removeElements(envElm);\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 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 runEach,\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 classNameViewportArrange,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\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;\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\nlet contentArrangeCounter = 0;\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 createUniqueViewportArrangeElement = (): HTMLStyleElement | false => {\r\n const { _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _cssCustomProperties } =\r\n getEnvironment();\r\n /* istanbul ignore next */\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\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 { _getInitializationStrategy, _nativeScrollbarStyling } = getEnvironment();\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 && _nativeScrollbarStyling;\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: !viewportIsTarget && createUniqueViewportArrangeElement(),\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 (_nativeScrollbarStyling && !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, runEach.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 createTrinsicUpdate: 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 createPaddingUpdate: 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 { _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 keys,\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 noop,\r\n each,\r\n equalXY,\r\n attrClass,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameViewportArrange,\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 type { StyleObject, OverflowStyle } from 'typings';\r\nimport type { OverflowBehavior } from 'options';\r\nimport type { CreateStructureUpdateSegment } from 'setups/structureSetup/structureSetup.update';\r\n\r\ninterface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n _overflowStyle: XY;\r\n}\r\n\r\ntype UndoViewportArrangeResult = [\r\n redoViewportArrange: () => void,\r\n overflowState?: ViewportOverflowState\r\n];\r\n\r\nconst { max } = Math;\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 = (\r\n viewportScrollSize: WH,\r\n viewportClientSize: WH,\r\n sizeFraction: WH\r\n) => {\r\n const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;\r\n const amount = {\r\n w: max(0, viewportScrollSize.w - viewportClientSize.w - max(0, sizeFraction.w)),\r\n h: max(0, viewportScrollSize.h - viewportClientSize.h - max(0, sizeFraction.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 createOverflowUpdate: 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 _nativeScrollbarSize,\r\n _flexboxGlue,\r\n _nativeScrollbarStyling,\r\n _nativeScrollbarIsOverlaid,\r\n } = getEnvironment();\r\n const doViewportArrange =\r\n !_viewportIsTarget &&\r\n !_nativeScrollbarStyling &&\r\n (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.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 [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 = !(_nativeScrollbarIsOverlaid.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 = (\r\n showNativeOverlaidScrollbars: boolean,\r\n viewportStyleObj?: StyleObject\r\n ): ViewportOverflowState => {\r\n const arrangeHideOffset =\r\n !_nativeScrollbarStyling && !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 && !_nativeScrollbarStyling ? 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', _nativeScrollbarIsOverlaid.x, _nativeScrollbarSize.x);\r\n const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] =\r\n getStatePerAxis('overflowY', _nativeScrollbarIsOverlaid.y, _nativeScrollbarSize.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 * 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 = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n sizeFraction: WH,\r\n directionIsRTL: boolean\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 ? `${hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue}px`\r\n : '',\r\n h:\r\n hideOffsetX && arrangeX\r\n ? `${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 * 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 = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\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 /**\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 = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n ): UndoViewportArrangeResult => {\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 (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 _nativeScrollbarIsOverlaid.x &&\r\n _nativeScrollbarIsOverlaid.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\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarStyling) {\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 overflowAmuntCache = updateOverflowAmountCache(\r\n getOverflowAmount(\r\n {\r\n w: max(viewportScrollSize.w, arrangedViewportScrollSize.w),\r\n h: max(viewportScrollSize.h, arrangedViewportScrollSize.h),\r\n }, // scroll size\r\n {\r\n w: arrangedViewportClientSize.w + max(0, viewportclientSize.w - viewportScrollSize.w),\r\n h: arrangedViewportClientSize.h + max(0, viewportclientSize.h - viewportScrollSize.h),\r\n }, // client size\r\n sizeFraction\r\n ),\r\n force\r\n );\r\n }\r\n\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 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 _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 _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 createTrinsicUpdate,\r\n createPaddingUpdate,\r\n createOverflowUpdate,\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 _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 { _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _flexboxGlue } = getEnvironment();\r\n const doViewportArrange =\r\n !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);\r\n\r\n const updateSegments: StructureSetupUpdateSegment[] = [\r\n createTrinsicUpdate(structureSetupElements, state),\r\n createPaddingUpdate(structureSetupElements, state),\r\n createOverflowUpdate(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 _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 appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n runEach,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n stopAndPrevent,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n isObject,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\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 animationStartEventName = 'animationstart';\r\nconst scrollEventName = 'scroll';\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 { _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