Files
OverlayScrollbars/packages/overlayscrollbars/dist/overlayscrollbars.js
T
2022-07-09 19:50:23 +02:00

2172 lines
84 KiB
JavaScript

function createCache(options, update) {
const { _initialValue, _equal, _alwaysUpdateValues } = options;
let _value = _initialValue;
let _previous;
const cacheUpdateContextual = (newValue, force) => {
const curr = _value;
const newVal = newValue;
const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);
if (changed || _alwaysUpdateValues) {
_value = newVal;
_previous = curr;
}
return [_value, changed, _previous];
};
const cacheUpdateIsolated = (force) => cacheUpdateContextual(update(_value, _previous), force);
const getCurrentCache = (force) => [
_value,
!!force,
_previous
];
return [update ? cacheUpdateIsolated : cacheUpdateContextual, getCurrentCache];
}
const ElementNodeType = Node.ELEMENT_NODE;
const { toString, hasOwnProperty: hasOwnProperty$1 } = Object.prototype;
function isUndefined(obj) {
return obj === void 0;
}
function isNull(obj) {
return obj === null;
}
const type = (obj) => isUndefined(obj) || isNull(obj) ? `${obj}` : toString.call(obj).replace(/^\[object (.+)\]$/, "$1").toLowerCase();
function isNumber(obj) {
return typeof obj === "number";
}
function isString(obj) {
return typeof obj === "string";
}
function isBoolean(obj) {
return typeof obj === "boolean";
}
function isFunction(obj) {
return typeof obj === "function";
}
function isArray(obj) {
return Array.isArray(obj);
}
function isObject(obj) {
return typeof obj === "object" && !isArray(obj) && !isNull(obj);
}
function isArrayLike(obj) {
const length = !!obj && obj.length;
const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0;
return isArray(obj) || !isFunction(obj) && lengthCorrectFormat ? length > 0 && isObject(obj) ? length - 1 in obj : true : false;
}
function isPlainObject(obj) {
if (!obj || !isObject(obj) || type(obj) !== "object")
return false;
let key;
const cstr = "constructor";
const ctor = obj[cstr];
const ctorProto = ctor && ctor.prototype;
const hasOwnConstructor = hasOwnProperty$1.call(obj, cstr);
const hasIsPrototypeOf = ctorProto && hasOwnProperty$1.call(ctorProto, "isPrototypeOf");
if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {
return false;
}
for (key in obj) {
}
return isUndefined(key) || hasOwnProperty$1.call(obj, key);
}
function isHTMLElement(obj) {
const instanceofObj = window.HTMLElement;
return obj ? instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType : false;
}
function isElement(obj) {
const instanceofObj = window.Element;
return obj ? instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType : false;
}
function each(source, callback) {
if (isArrayLike(source)) {
for (let i = 0; i < source.length; i++) {
if (callback(source[i], i, source) === false) {
break;
}
}
} else if (source) {
each(Object.keys(source), (key) => callback(source[key], key, source));
}
return source;
}
const indexOf = (arr, item, fromIndex) => arr.indexOf(item, fromIndex);
const push = (array, items, arrayIsSingleItem) => {
!arrayIsSingleItem && !isString(items) && isArrayLike(items) ? Array.prototype.push.apply(array, items) : array.push(items);
return array;
};
const from = (arr) => {
if (Array.from && arr) {
return Array.from(arr);
}
const result = [];
if (arr instanceof Set) {
arr.forEach((value) => {
push(result, value);
});
} else {
each(arr, (elm) => {
push(result, elm);
});
}
return result;
};
const isEmptyArray = (array) => !!array && array.length === 0;
const runEach = (arr, args) => {
const runFn = (fn) => fn && fn.apply(void 0, args || []);
if (arr instanceof Set) {
arr.forEach(runFn);
} else {
each(arr, runFn);
}
};
const hasOwnProperty = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);
const keys = (obj) => obj ? Object.keys(obj) : [];
function assignDeep(target, object1, object2, object3, object4, object5, object6) {
const sources = [object1, object2, object3, object4, object5, object6];
if ((typeof target !== "object" || isNull(target)) && !isFunction(target)) {
target = {};
}
each(sources, (source) => {
each(keys(source), (key) => {
const copy = source[key];
if (target === copy) {
return true;
}
const copyIsArray = isArray(copy);
if (copy && (isPlainObject(copy) || copyIsArray)) {
const src = target[key];
let clone = src;
if (copyIsArray && !isArray(src)) {
clone = [];
} else if (!copyIsArray && !isPlainObject(src)) {
clone = {};
}
target[key] = assignDeep(clone, copy);
} else {
target[key] = copy;
}
});
});
return target;
}
function isEmptyObject(obj) {
for (const name in obj)
return false;
return true;
}
function getSetProp(topLeft, fallback, elm, value) {
if (isUndefined(value)) {
return elm ? elm[topLeft] : fallback;
}
elm && (elm[topLeft] = value);
}
function attr(elm, attrName, value) {
if (isUndefined(value)) {
return elm ? elm.getAttribute(attrName) : null;
}
elm && elm.setAttribute(attrName, value);
}
const attrClass = (elm, attrName, value, add) => {
const currValues = attr(elm, attrName) || "";
const currValuesSet = new Set(currValues.split(" "));
currValuesSet[add ? "add" : "delete"](value);
attr(elm, attrName, from(currValuesSet).join(" ").trim());
};
const hasAttrClass = (elm, attrName, value) => {
const currValues = attr(elm, attrName) || "";
const currValuesSet = new Set(currValues.split(" "));
return currValuesSet.has(value);
};
const removeAttr = (elm, attrName) => {
elm && elm.removeAttribute(attrName);
};
function scrollLeft(elm, value) {
return getSetProp("scrollLeft", 0, elm, value);
}
function scrollTop(elm, value) {
return getSetProp("scrollTop", 0, elm, value);
}
const elmPrototype = Element.prototype;
const find = (selector, elm) => {
const arr = [];
const rootElm = elm ? isElement(elm) ? elm : null : document;
return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;
};
const findFirst = (selector, elm) => {
const rootElm = elm ? isElement(elm) ? elm : null : document;
return rootElm ? rootElm.querySelector(selector) : null;
};
const is = (elm, selector) => {
if (isElement(elm)) {
const fn = elmPrototype.matches || elmPrototype.msMatchesSelector;
return fn.call(elm, selector);
}
return false;
};
const contents = (elm) => elm ? from(elm.childNodes) : [];
const parent = (elm) => elm ? elm.parentElement : null;
const closest = (elm, selector) => {
if (isElement(elm)) {
const closestFn = elmPrototype.closest;
if (closestFn) {
return closestFn.call(elm, selector);
}
do {
if (is(elm, selector)) {
return elm;
}
elm = parent(elm);
} while (elm);
}
return null;
};
const liesBetween = (elm, highBoundarySelector, deepBoundarySelector) => {
const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);
const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);
return closestHighBoundaryElm && closestDeepBoundaryElm ? closestHighBoundaryElm === elm || closestDeepBoundaryElm === elm || closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm : false;
};
const before = (parentElm, preferredAnchor, insertedElms) => {
if (insertedElms) {
let anchor = preferredAnchor;
let fragment;
if (parentElm) {
if (isArrayLike(insertedElms)) {
fragment = document.createDocumentFragment();
each(insertedElms, (insertedElm) => {
if (insertedElm === anchor) {
anchor = insertedElm.previousSibling;
}
fragment.appendChild(insertedElm);
});
} else {
fragment = insertedElms;
}
if (preferredAnchor) {
if (!anchor) {
anchor = parentElm.firstChild;
} else if (anchor !== preferredAnchor) {
anchor = anchor.nextSibling;
}
}
parentElm.insertBefore(fragment, anchor || null);
}
}
};
const appendChildren = (node, children) => {
before(node, null, children);
};
const prependChildren = (node, children) => {
before(node, node && node.firstChild, children);
};
const insertBefore = (node, insertedNodes) => {
before(parent(node), node, insertedNodes);
};
const insertAfter = (node, insertedNodes) => {
before(parent(node), node && node.nextSibling, insertedNodes);
};
const removeElements = (nodes) => {
if (isArrayLike(nodes)) {
each(from(nodes), (e) => removeElements(e));
} else if (nodes) {
const parentElm = parent(nodes);
if (parentElm) {
parentElm.removeChild(nodes);
}
}
};
const createDiv = (classNames) => {
const div = document.createElement("div");
if (classNames) {
attr(div, "class", classNames);
}
return div;
};
const createDOM = (html) => {
const createdDiv = createDiv();
createdDiv.innerHTML = html.trim();
return each(contents(createdDiv), (elm) => removeElements(elm));
};
const firstLetterToUpper = (str) => str.charAt(0).toUpperCase() + str.slice(1);
const getDummyStyle = () => createDiv().style;
const cssPrefixes = ["-webkit-", "-moz-", "-o-", "-ms-"];
const jsPrefixes = [
"WebKit",
"Moz",
"O",
"MS",
"webkit",
"moz",
"o",
"ms"
];
const jsCache = {};
const cssCache = {};
const cssProperty = (name) => {
let result = cssCache[name];
if (hasOwnProperty(cssCache, name)) {
return result;
}
const uppercasedName = firstLetterToUpper(name);
const elmStyle = getDummyStyle();
each(cssPrefixes, (prefix) => {
const prefixWithoutDashes = prefix.replace(/-/g, "");
const resultPossibilities = [
name,
prefix + name,
prefixWithoutDashes + uppercasedName,
firstLetterToUpper(prefixWithoutDashes) + uppercasedName
];
return !(result = resultPossibilities.find((resultPossibility) => elmStyle[resultPossibility] !== void 0));
});
return cssCache[name] = result || "";
};
const jsAPI = (name) => {
let result = jsCache[name] || window[name];
if (hasOwnProperty(jsCache, name)) {
return result;
}
each(jsPrefixes, (prefix) => {
result = result || window[prefix + firstLetterToUpper(name)];
return !result;
});
jsCache[name] = result;
return result;
};
const MutationObserverConstructor = jsAPI("MutationObserver");
const IntersectionObserverConstructor = jsAPI("IntersectionObserver");
const ResizeObserverConstructor = jsAPI("ResizeObserver");
const cAF = jsAPI("cancelAnimationFrame");
const rAF = jsAPI("requestAnimationFrame");
const rnothtmlwhite = /[^\x20\t\r\n\f]+/g;
const classListAction = (elm, className, action) => {
let clazz;
let i = 0;
let result = false;
if (elm && className && isString(className)) {
const classes = className.match(rnothtmlwhite) || [];
result = classes.length > 0;
while (clazz = classes[i++]) {
result = !!action(elm.classList, clazz) && result;
}
}
return result;
};
const hasClass = (elm, className) => classListAction(elm, className, (classList, clazz) => classList.contains(clazz));
const removeClass = (elm, className) => {
classListAction(elm, className, (classList, clazz) => classList.remove(clazz));
};
const addClass = (elm, className) => {
classListAction(elm, className, (classList, clazz) => classList.add(clazz));
return removeClass.bind(0, elm, className);
};
const equal = (a, b, props, propMutation) => {
if (a && b) {
let result = true;
each(props, (prop) => {
const compareA = propMutation ? propMutation(a[prop]) : a[prop];
const compareB = propMutation ? propMutation(b[prop]) : b[prop];
if (compareA !== compareB) {
result = false;
}
});
return result;
}
return false;
};
const equalWH = (a, b) => equal(a, b, ["w", "h"]);
const equalXY = (a, b) => equal(a, b, ["x", "y"]);
const equalTRBL = (a, b) => equal(a, b, ["t", "r", "b", "l"]);
const equalBCRWH = (a, b, round) => equal(a, b, ["width", "height"], round && ((value) => Math.round(value)));
const clearTimeouts = (id) => {
id && window.clearTimeout(id);
id && cAF(id);
};
const noop = () => {
};
const debounce = (functionToDebounce, options) => {
let timeoutId;
let maxTimeoutId;
let prevArguments;
let latestArguments;
const { _timeout, _maxDelay, _mergeParams } = options || {};
const setT = window.setTimeout;
const invokeFunctionToDebounce = function(args) {
clearTimeouts(timeoutId);
clearTimeouts(maxTimeoutId);
maxTimeoutId = timeoutId = prevArguments = void 0;
functionToDebounce.apply(this, args);
};
const mergeParms = (curr) => _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;
const flush = () => {
if (timeoutId) {
invokeFunctionToDebounce(mergeParms(latestArguments) || latestArguments);
}
};
const debouncedFn = function() {
const args = from(arguments);
const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;
const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;
if (hasTimeout) {
const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;
const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;
const setTimeoutFn = finalTimeout > 0 ? setT : rAF;
const mergeParamsResult = mergeParms(args);
const invokedArgs = mergeParamsResult || args;
const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);
clearTimeouts(timeoutId);
timeoutId = setTimeoutFn(boundInvoke, finalTimeout);
if (hasMaxWait && !maxTimeoutId) {
maxTimeoutId = setT(flush, finalMaxWait);
}
prevArguments = latestArguments = invokedArgs;
} else {
invokeFunctionToDebounce(args);
}
};
debouncedFn._flush = flush;
return debouncedFn;
};
const cssNumber = {
opacity: 1,
zindex: 1
};
const parseToZeroOrNumber = (value, toFloat) => {
const num = toFloat ? parseFloat(value) : parseInt(value, 10);
return Number.isNaN(num) ? 0 : num;
};
const adaptCSSVal = (prop, val) => !cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val;
const getCSSVal = (elm, computedStyle, prop) => computedStyle != null ? computedStyle[prop] || computedStyle.getPropertyValue(prop) : elm.style[prop];
const setCSSVal = (elm, prop, val) => {
try {
if (elm) {
const { style: elmStyle } = elm;
if (!isUndefined(elmStyle[prop])) {
elmStyle[prop] = adaptCSSVal(prop, val);
} else {
elmStyle.setProperty(prop, val);
}
}
} catch (e) {
}
};
function style(elm, styles) {
const getSingleStyle = isString(styles);
const getStyles = isArray(styles) || getSingleStyle;
if (getStyles) {
let getStylesResult = getSingleStyle ? "" : {};
if (elm) {
const computedStyle = window.getComputedStyle(elm, null);
getStylesResult = getSingleStyle ? getCSSVal(elm, computedStyle, styles) : styles.reduce((result, key) => {
result[key] = getCSSVal(elm, computedStyle, key);
return result;
}, getStylesResult);
}
return getStylesResult;
}
each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));
}
const topRightBottomLeft = (elm, propertyPrefix, propertySuffix) => {
const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : "";
const finalSuffix = propertySuffix ? `-${propertySuffix}` : "";
const top = `${finalPrefix}top${finalSuffix}`;
const right = `${finalPrefix}right${finalSuffix}`;
const bottom = `${finalPrefix}bottom${finalSuffix}`;
const left = `${finalPrefix}left${finalSuffix}`;
const result = style(elm, [top, right, bottom, left]);
return {
t: parseToZeroOrNumber(result[top]),
r: parseToZeroOrNumber(result[right]),
b: parseToZeroOrNumber(result[bottom]),
l: parseToZeroOrNumber(result[left])
};
};
const zeroObj$1 = {
w: 0,
h: 0
};
const windowSize = () => ({
w: window.innerWidth,
h: window.innerHeight
});
const offsetSize = (elm) => elm ? {
w: elm.offsetWidth,
h: elm.offsetHeight
} : zeroObj$1;
const clientSize = (elm) => elm ? {
w: elm.clientWidth,
h: elm.clientHeight
} : zeroObj$1;
const scrollSize = (elm) => elm ? {
w: elm.scrollWidth,
h: elm.scrollHeight
} : zeroObj$1;
const fractionalSize = (elm) => {
const cssHeight = parseFloat(style(elm, "height")) || 0;
const cssWidth = parseFloat(style(elm, "height")) || 0;
return {
w: cssWidth - Math.round(cssWidth),
h: cssHeight - Math.round(cssHeight)
};
};
const getBoundingClientRect = (elm) => elm.getBoundingClientRect();
let passiveEventsSupport;
const supportPassiveEvents = () => {
if (isUndefined(passiveEventsSupport)) {
passiveEventsSupport = false;
try {
window.addEventListener("test", null, Object.defineProperty({}, "passive", {
get: function() {
passiveEventsSupport = true;
}
}));
} catch (e) {
}
}
return passiveEventsSupport;
};
const splitEventNames = (eventNames) => eventNames.split(" ");
const off = (target, eventNames, listener, capture) => {
each(splitEventNames(eventNames), (eventName) => {
target.removeEventListener(eventName, listener, capture);
});
};
const on = (target, eventNames, listener, options) => {
const doSupportPassiveEvents = supportPassiveEvents();
const passive = doSupportPassiveEvents && options && options._passive || false;
const capture = options && options._capture || false;
const once = options && options._once || false;
const offListeners = [];
const nativeOptions = doSupportPassiveEvents ? {
passive,
capture
} : capture;
each(splitEventNames(eventNames), (eventName) => {
const finalListener = once ? (evt) => {
target.removeEventListener(eventName, finalListener, capture);
listener && listener(evt);
} : listener;
push(offListeners, off.bind(null, target, eventName, finalListener, capture));
target.addEventListener(eventName, finalListener, nativeOptions);
});
return runEach.bind(0, offListeners);
};
const stopPropagation = (evt) => evt.stopPropagation();
const preventDefault = (evt) => evt.preventDefault();
const stopAndPrevent = (evt) => stopPropagation(evt) || preventDefault(evt);
const zeroObj = {
x: 0,
y: 0
};
const absoluteCoordinates = (elm) => {
const rect = elm ? getBoundingClientRect(elm) : 0;
return rect ? {
x: rect.left + window.pageYOffset,
y: rect.top + window.pageXOffset
} : zeroObj;
};
const manageListener = (callback, listener) => {
each(isArray(listener) ? listener : [listener], callback);
};
const createEventListenerHub = (initialEventListeners) => {
const events = /* @__PURE__ */ new Map();
const removeEvent = (name, listener) => {
if (name) {
const eventSet = events.get(name);
manageListener((currListener) => {
if (eventSet) {
eventSet[currListener ? "delete" : "clear"](currListener);
}
}, listener);
} else {
events.forEach((eventSet) => {
eventSet.clear();
});
events.clear();
}
};
const addEvent = (name, listener) => {
const eventSet = events.get(name) || /* @__PURE__ */ new Set();
events.set(name, eventSet);
manageListener((currListener) => {
currListener && eventSet.add(currListener);
}, listener);
return removeEvent.bind(0, name, listener);
};
const triggerEvent = (name, args) => {
const eventSet = events.get(name);
each(from(eventSet), (event) => {
if (args) {
event(args);
} else {
event();
}
});
};
const initialListenerKeys = keys(initialEventListeners);
each(initialListenerKeys, (key) => {
addEvent(key, initialEventListeners[key]);
});
return [addEvent, removeEvent, triggerEvent];
};
const getPropByPath = (obj, path) => obj ? path.split(".").reduce((o, prop) => o && hasOwnProperty(o, prop) ? o[prop] : void 0, obj) : void 0;
const createOptionCheck = (options, changedOptions, force) => (path) => [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== void 0];
const createState = (initialState) => {
let state = initialState;
return [
() => state,
(newState) => {
state = assignDeep({}, state, newState);
}
];
};
const classNameEnvironment = "os-environment";
const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;
const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;
const dataAttributeHost = "data-overlayscrollbars";
const dataAttributeHostOverflowX = `${dataAttributeHost}-overflow-x`;
const dataAttributeHostOverflowY = `${dataAttributeHost}-overflow-y`;
const dataValueHostOverflowVisible = "overflowVisible";
const dataValueHostViewportScrollbarStyling = "viewportStyled";
const classNamePadding = "os-padding";
const classNameViewport = "os-viewport";
const classNameViewportArrange = `${classNameViewport}-arrange`;
const classNameContent = "os-content";
const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;
const classNameOverflowVisible = `os-overflow-visible`;
const classNameSizeObserver = "os-size-observer";
const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;
const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;
const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;
const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;
const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;
const classNameTrinsicObserver = "os-trinsic-observer";
const classNameScrollbar = "os-scrollbar";
const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;
const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;
const classNameScrollbarTrack = "os-scrollbar-track";
const classNameScrollbarHandle = "os-scrollbar-handle";
const stringify = (value) => JSON.stringify(value, (_, val) => {
if (isFunction(val)) {
throw new Error();
}
return val;
});
const defaultOptions = {
paddingAbsolute: false,
updating: {
elementEvents: [["img", "load"]],
debounce: [0, 33],
attributes: null,
ignoreMutation: null
},
overflow: {
x: "scroll",
y: "scroll"
},
nativeScrollbarsOverlaid: {
show: false,
initialize: false
},
scrollbars: {
visibility: "auto",
autoHide: "never",
autoHideDelay: 800,
dragScroll: true,
clickScroll: false,
touch: true
}
};
const getOptionsDiff = (currOptions, newOptions) => {
const diff = {};
const optionsKeys = keys(newOptions).concat(keys(currOptions));
each(optionsKeys, (optionKey) => {
const currOptionValue = currOptions[optionKey];
const newOptionValue = newOptions[optionKey];
if (isObject(currOptionValue) && isObject(newOptionValue)) {
assignDeep(diff[optionKey] = {}, getOptionsDiff(currOptionValue, newOptionValue));
} else if (hasOwnProperty(newOptions, optionKey) && newOptionValue !== currOptionValue) {
let isDiff = true;
if (isArray(currOptionValue) || isArray(newOptionValue)) {
try {
if (stringify(currOptionValue) === stringify(newOptionValue)) {
isDiff = false;
}
} catch (e) {
}
}
if (isDiff) {
diff[optionKey] = newOptionValue;
}
}
});
return diff;
};
let environmentInstance;
const { abs, round } = Math;
const diffBiggerThanOne = (valOne, valTwo) => {
const absValOne = abs(valOne);
const absValTwo = abs(valTwo);
return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);
};
const getNativeScrollbarSize = (body, measureElm, measureElmChild) => {
appendChildren(body, measureElm);
const cSize = clientSize(measureElm);
const oSize = offsetSize(measureElm);
const fSize = fractionalSize(measureElmChild);
return {
x: oSize.h - cSize.h + fSize.h,
y: oSize.w - cSize.w + fSize.w
};
};
const getNativeScrollbarStyling = (testElm) => {
let result = false;
const revertClass = addClass(testElm, classNameViewportScrollbarStyling);
try {
result = style(testElm, cssProperty("scrollbar-width")) === "none" || window.getComputedStyle(testElm, "::-webkit-scrollbar").getPropertyValue("display") === "none";
} catch (ex) {
}
revertClass();
return result;
};
const getRtlScrollBehavior = (parentElm, childElm) => {
const strHidden = "hidden";
style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: "rtl" });
scrollLeft(parentElm, 0);
const parentOffset = absoluteCoordinates(parentElm);
const childOffset = absoluteCoordinates(childElm);
scrollLeft(parentElm, -999);
const childOffsetAfterScroll = absoluteCoordinates(childElm);
return {
i: parentOffset.x === childOffset.x,
n: childOffset.x !== childOffsetAfterScroll.x
};
};
const getFlexboxGlue = (parentElm, childElm) => {
const revertFbxGlue = addClass(parentElm, classNameEnvironmentFlexboxGlue);
const minOffsetsizeParent = getBoundingClientRect(parentElm);
const minOffsetsize = getBoundingClientRect(childElm);
const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);
const revertFbxGlueMax = addClass(parentElm, classNameEnvironmentFlexboxGlueMax);
const maxOffsetsizeParent = getBoundingClientRect(parentElm);
const maxOffsetsize = getBoundingClientRect(childElm);
const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);
revertFbxGlue();
revertFbxGlueMax();
return supportsMin && supportsMax;
};
const getWindowDPR = () => {
const dDPI = window.screen.deviceXDPI || 0;
const sDPI = window.screen.logicalXDPI || 1;
return window.devicePixelRatio || dDPI / sDPI;
};
const getDefaultInitializationStrategy = (nativeScrollbarStyling) => ({
_host: null,
_viewport: null,
_padding: !nativeScrollbarStyling,
_content: false,
_scrollbarsSlot: null
});
const createEnvironment = () => {
const { body } = document;
const envDOM = createDOM(`<div class="${classNameEnvironment}"><div></div></div>`);
const envElm = envDOM[0];
const envChildElm = envElm.firstChild;
const [addEvent, , triggerEvent] = createEventListenerHub();
const [updateNativeScrollbarSizeCache, getNativeScrollbarSizeCache] = createCache({
_initialValue: getNativeScrollbarSize(body, envElm, envChildElm),
_equal: equalXY
});
const [nativeScrollbarSize] = getNativeScrollbarSizeCache();
const nativeScrollbarStyling = getNativeScrollbarStyling(envElm);
const nativeScrollbarIsOverlaid = {
x: nativeScrollbarSize.x === 0,
y: nativeScrollbarSize.y === 0
};
const initializationStrategy = getDefaultInitializationStrategy(nativeScrollbarStyling);
const defaultDefaultOptions = assignDeep({}, defaultOptions);
const env = {
_nativeScrollbarSize: nativeScrollbarSize,
_nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,
_nativeScrollbarStyling: nativeScrollbarStyling,
_cssCustomProperties: style(envElm, "zIndex") === "-1",
_rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),
_flexboxGlue: getFlexboxGlue(envElm, envChildElm),
_addListener: (listener) => addEvent("_", listener),
_getInitializationStrategy: assignDeep.bind(0, {}, initializationStrategy),
_setInitializationStrategy(newInitializationStrategy) {
assignDeep(initializationStrategy, newInitializationStrategy);
},
_getDefaultOptions: assignDeep.bind(0, {}, defaultDefaultOptions),
_setDefaultOptions(newDefaultOptions) {
assignDeep(defaultDefaultOptions, newDefaultOptions);
},
_defaultInitializationStrategy: assignDeep({}, initializationStrategy),
_defaultDefaultOptions: assignDeep({}, defaultDefaultOptions)
};
removeAttr(envElm, "style");
removeElements(envElm);
if (!nativeScrollbarStyling && (!nativeScrollbarIsOverlaid.x || !nativeScrollbarIsOverlaid.y)) {
let size = windowSize();
let dpr = getWindowDPR();
window.addEventListener("resize", () => {
const sizeNew = windowSize();
const deltaSize = {
w: sizeNew.w - size.w,
h: sizeNew.h - size.h
};
if (deltaSize.w === 0 && deltaSize.h === 0)
return;
const deltaAbsSize = {
w: abs(deltaSize.w),
h: abs(deltaSize.h)
};
const deltaAbsRatio = {
w: abs(round(sizeNew.w / (size.w / 100))),
h: abs(round(sizeNew.h / (size.h / 100)))
};
const dprNew = getWindowDPR();
const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;
const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);
const dprChanged = dprNew !== dpr && dpr > 0;
const isZoom = deltaIsBigger && difference && dprChanged;
if (isZoom) {
const [scrollbarSize, scrollbarSizeChanged] = updateNativeScrollbarSizeCache(getNativeScrollbarSize(body, envElm, envChildElm));
assignDeep(environmentInstance._nativeScrollbarSize, scrollbarSize);
removeElements(envElm);
if (scrollbarSizeChanged) {
triggerEvent("_");
}
}
size = sizeNew;
dpr = dprNew;
});
}
return env;
};
const getEnvironment = () => {
if (!environmentInstance) {
environmentInstance = createEnvironment();
}
return environmentInstance;
};
let contentArrangeCounter = 0;
const unwrap = (elm) => {
appendChildren(parent(elm), contents(elm));
removeElements(elm);
};
const createUniqueViewportArrangeElement = () => {
const { _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _cssCustomProperties } = getEnvironment();
const create = !_cssCustomProperties && !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);
const result = create ? document.createElement("style") : false;
if (result) {
attr(result, "id", `${classNameViewportArrange}-${contentArrangeCounter}`);
contentArrangeCounter++;
}
return result;
};
const staticCreationFromStrategy = (target, initializationValue, strategy) => {
const result = initializationValue || (isFunction(strategy) ? strategy(target) : strategy);
return result || createDiv();
};
const dynamicCreationFromStrategy = (target, initializationValue, strategy) => {
const takeInitializationValue = isBoolean(initializationValue) || initializationValue;
const result = takeInitializationValue ? initializationValue : isFunction(strategy) ? strategy(target) : strategy;
return result === true ? createDiv() : result;
};
const addDataAttrHost = (elm, value) => {
attr(elm, dataAttributeHost, value || "");
return removeAttr.bind(0, elm, dataAttributeHost);
};
const createStructureSetupElements = (target) => {
const { _getInitializationStrategy, _nativeScrollbarStyling } = getEnvironment();
const {
_host: hostInitializationStrategy,
_viewport: viewportInitializationStrategy,
_padding: paddingInitializationStrategy,
_content: contentInitializationStrategy
} = _getInitializationStrategy();
const targetIsElm = isHTMLElement(target);
const targetStructureInitialization = target;
const targetElement = targetIsElm ? target : targetStructureInitialization.target;
const isTextarea = is(targetElement, "textarea");
const isBody = !isTextarea && is(targetElement, "body");
const ownerDocument = targetElement.ownerDocument;
const bodyElm = ownerDocument.body;
const wnd = ownerDocument.defaultView;
const singleElmSupport = !!ResizeObserverConstructor && _nativeScrollbarStyling;
const potentialViewportElement = staticCreationFromStrategy(targetElement, targetStructureInitialization.viewport, viewportInitializationStrategy);
const potentiallySingleElm = potentialViewportElement === targetElement;
const viewportIsTarget = singleElmSupport && potentiallySingleElm;
const viewportElement = potentiallySingleElm && !viewportIsTarget ? staticCreationFromStrategy(targetElement) : potentialViewportElement;
const evaluatedTargetObj = {
_target: targetElement,
_host: isTextarea ? staticCreationFromStrategy(targetElement, targetStructureInitialization.host, hostInitializationStrategy) : targetElement,
_viewport: viewportElement,
_padding: dynamicCreationFromStrategy(targetElement, targetStructureInitialization.padding, paddingInitializationStrategy),
_content: dynamicCreationFromStrategy(targetElement, targetStructureInitialization.content, contentInitializationStrategy),
_viewportArrange: !viewportIsTarget && createUniqueViewportArrangeElement(),
_windowElm: wnd,
_documentElm: ownerDocument,
_htmlElm: parent(bodyElm),
_bodyElm: bodyElm,
_isTextarea: isTextarea,
_isBody: isBody,
_targetIsElm: targetIsElm,
_viewportIsTarget: viewportIsTarget,
_viewportHasClass: (className, attributeClassName) => viewportIsTarget ? hasAttrClass(viewportElement, dataAttributeHost, attributeClassName) : hasClass(viewportElement, className),
_viewportAddRemoveClass: (className, attributeClassName, add) => viewportIsTarget ? attrClass(viewportElement, dataAttributeHost, attributeClassName, add) : (add ? addClass : removeClass)(viewportElement, className)
};
const generatedElements = keys(evaluatedTargetObj).reduce((arr, key) => {
const value = evaluatedTargetObj[key];
return push(arr, value && !parent(value) ? value : false);
}, []);
const elementIsGenerated = (elm) => elm ? indexOf(generatedElements, elm) > -1 : null;
const { _target, _host, _padding, _viewport, _content, _viewportArrange } = evaluatedTargetObj;
const destroyFns = [];
const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);
const targetContents = isTextarea ? _target : contents([_content, _viewport, _padding, _host, _target].find((elm) => elementIsGenerated(elm) === false));
const contentSlot = _content || _viewport;
const removeHostDataAttr = addDataAttrHost(_host, viewportIsTarget ? "viewport" : "host");
const removePaddingClass = addClass(_padding, classNamePadding);
const removeViewportClass = addClass(_viewport, !viewportIsTarget && classNameViewport);
const removeContentClass = addClass(_content, classNameContent);
if (isTextareaHostGenerated) {
insertAfter(_target, _host);
push(destroyFns, () => {
insertAfter(_host, _target);
removeElements(_host);
});
}
appendChildren(contentSlot, targetContents);
appendChildren(_host, _padding);
appendChildren(_padding || _host, !viewportIsTarget && _viewport);
appendChildren(_viewport, _content);
push(destroyFns, () => {
removeHostDataAttr();
removeAttr(_viewport, dataAttributeHostOverflowX);
removeAttr(_viewport, dataAttributeHostOverflowY);
if (elementIsGenerated(_content)) {
unwrap(_content);
}
if (elementIsGenerated(_viewport)) {
unwrap(_viewport);
}
if (elementIsGenerated(_padding)) {
unwrap(_padding);
}
removePaddingClass();
removeViewportClass();
removeContentClass();
});
if (_nativeScrollbarStyling && !viewportIsTarget) {
push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));
}
if (_viewportArrange) {
insertBefore(_viewport, _viewportArrange);
push(destroyFns, removeElements.bind(0, _viewportArrange));
}
return [evaluatedTargetObj, runEach.bind(0, destroyFns)];
};
const createTrinsicUpdate = (structureSetupElements, state) => {
const { _content } = structureSetupElements;
const [getState] = state;
return (updateHints) => {
const { _flexboxGlue } = getEnvironment();
const { _heightIntrinsic } = getState();
const { _heightIntrinsicChanged } = updateHints;
const heightIntrinsicChanged = (_content || !_flexboxGlue) && _heightIntrinsicChanged;
if (heightIntrinsicChanged) {
style(_content, {
height: _heightIntrinsic ? "" : "100%"
});
}
return {
_sizeChanged: heightIntrinsicChanged,
_contentMutation: heightIntrinsicChanged
};
};
};
const createPaddingUpdate = (structureSetupElements, state) => {
const [getState, setState] = state;
const { _host, _padding, _viewport, _viewportIsTarget: _isSingleElm } = structureSetupElements;
const [updatePaddingCache, currentPaddingCache] = createCache({
_equal: equalTRBL,
_initialValue: topRightBottomLeft()
}, topRightBottomLeft.bind(0, _host, "padding", ""));
return (updateHints, checkOption, force) => {
let [padding, paddingChanged] = currentPaddingCache(force);
const { _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();
const { _directionIsRTL } = getState();
const { _sizeChanged, _contentMutation, _directionChanged } = updateHints;
const [paddingAbsolute, paddingAbsoluteChanged] = checkOption("paddingAbsolute");
const contentMutation = !_flexboxGlue && _contentMutation;
if (_sizeChanged || paddingChanged || contentMutation) {
[padding, paddingChanged] = updatePaddingCache(force);
}
const paddingStyleChanged = !_isSingleElm && (paddingAbsoluteChanged || _directionChanged || paddingChanged);
if (paddingStyleChanged) {
const paddingRelative = !paddingAbsolute || !_padding && !_nativeScrollbarStyling;
const paddingHorizontal = padding.r + padding.l;
const paddingVertical = padding.t + padding.b;
const paddingStyle = {
marginRight: paddingRelative && !_directionIsRTL ? -paddingHorizontal : 0,
marginBottom: paddingRelative ? -paddingVertical : 0,
marginLeft: paddingRelative && _directionIsRTL ? -paddingHorizontal : 0,
top: paddingRelative ? -padding.t : 0,
right: paddingRelative ? _directionIsRTL ? -padding.r : "auto" : 0,
left: paddingRelative ? _directionIsRTL ? "auto" : -padding.l : 0,
width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : ""
};
const viewportStyle = {
paddingTop: paddingRelative ? padding.t : 0,
paddingRight: paddingRelative ? padding.r : 0,
paddingBottom: paddingRelative ? padding.b : 0,
paddingLeft: paddingRelative ? padding.l : 0
};
style(_padding || _viewport, paddingStyle);
style(_viewport, viewportStyle);
setState({
_padding: padding,
_paddingAbsolute: !paddingRelative,
_viewportPaddingStyle: _padding ? viewportStyle : assignDeep({}, paddingStyle, viewportStyle)
});
}
return {
_paddingStyleChanged: paddingStyleChanged
};
};
};
const { max } = Math;
const strVisible = "visible";
const strHidden = "hidden";
const overlaidScrollbarsHideOffset = 42;
const whCacheOptions = {
_equal: equalWH,
_initialValue: { w: 0, h: 0 }
};
const xyCacheOptions = {
_equal: equalXY,
_initialValue: { x: strHidden, y: strHidden }
};
const getOverflowAmount = (viewportScrollSize, viewportClientSize, sizeFraction) => {
const tollerance = window.devicePixelRatio % 1 !== 0 ? 1 : 0;
const amount = {
w: max(0, viewportScrollSize.w - viewportClientSize.w - max(0, sizeFraction.w)),
h: max(0, viewportScrollSize.h - viewportClientSize.h - max(0, sizeFraction.h))
};
return {
w: amount.w > tollerance ? amount.w : 0,
h: amount.h > tollerance ? amount.h : 0
};
};
const conditionalClass = (elm, classNames, add) => add ? addClass(elm, classNames) : removeClass(elm, classNames);
const overflowIsVisible = (overflowBehavior) => overflowBehavior.indexOf(strVisible) === 0;
const createOverflowUpdate = (structureSetupElements, state) => {
const [getState, setState] = state;
const {
_host,
_padding,
_viewport,
_viewportArrange,
_viewportIsTarget,
_viewportAddRemoveClass
} = structureSetupElements;
const {
_nativeScrollbarSize,
_flexboxGlue,
_nativeScrollbarStyling,
_nativeScrollbarIsOverlaid
} = getEnvironment();
const doViewportArrange = !_viewportIsTarget && !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);
const [updateSizeFraction, getCurrentSizeFraction] = createCache(whCacheOptions, fractionalSize.bind(0, _viewport));
const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache(whCacheOptions, scrollSize.bind(0, _viewport));
const [updateOverflowAmountCache, getCurrentOverflowAmountCache] = createCache(whCacheOptions);
const [updateOverflowStyleCache] = createCache(xyCacheOptions);
const fixFlexboxGlue = (viewportOverflowState, heightIntrinsic) => {
style(_viewport, {
height: ""
});
if (heightIntrinsic) {
const { _paddingAbsolute, _padding: padding } = getState();
const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;
const fSize = fractionalSize(_host);
const hostClientSize = clientSize(_host);
const isContentBox = style(_viewport, "boxSizing") === "content-box";
const paddingVertical = _paddingAbsolute || isContentBox ? padding.b + padding.t : 0;
const subtractXScrollbar = !(_nativeScrollbarIsOverlaid.x && isContentBox);
style(_viewport, {
height: hostClientSize.h + fSize.h + (_overflowScroll.x && subtractXScrollbar ? _scrollbarsHideOffset.x : 0) - paddingVertical
});
}
};
const getViewportOverflowState = (showNativeOverlaidScrollbars, viewportStyleObj) => {
const arrangeHideOffset = !_nativeScrollbarStyling && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;
const getStatePerAxis = (styleKey, isOverlaid, nativeScrollbarSize) => {
const overflowStyle = style(_viewport, styleKey);
const objectPrefferedOverflowStyle = viewportStyleObj ? viewportStyleObj[styleKey] : overflowStyle;
const overflowScroll = objectPrefferedOverflowStyle === "scroll";
const nonScrollbarStylingHideOffset = isOverlaid ? arrangeHideOffset : nativeScrollbarSize;
const scrollbarsHideOffset = overflowScroll && !_nativeScrollbarStyling ? nonScrollbarStylingHideOffset : 0;
const scrollbarsHideOffsetArrange = isOverlaid && !!arrangeHideOffset;
return [overflowStyle, overflowScroll, scrollbarsHideOffset, scrollbarsHideOffsetArrange];
};
const [xOverflowStyle, xOverflowScroll, xScrollbarsHideOffset, xScrollbarsHideOffsetArrange] = getStatePerAxis("overflowX", _nativeScrollbarIsOverlaid.x, _nativeScrollbarSize.x);
const [yOverflowStyle, yOverflowScroll, yScrollbarsHideOffset, yScrollbarsHideOffsetArrange] = getStatePerAxis("overflowY", _nativeScrollbarIsOverlaid.y, _nativeScrollbarSize.y);
return {
_overflowStyle: {
x: xOverflowStyle,
y: yOverflowStyle
},
_overflowScroll: {
x: xOverflowScroll,
y: yOverflowScroll
},
_scrollbarsHideOffset: {
x: xScrollbarsHideOffset,
y: yScrollbarsHideOffset
},
_scrollbarsHideOffsetArrange: {
x: xScrollbarsHideOffsetArrange,
y: yScrollbarsHideOffsetArrange
}
};
};
const setViewportOverflowState = (showNativeOverlaidScrollbars, hasOverflow, overflowOption, viewportStyleObj) => {
const setAxisOverflowStyle = (behavior, hasOverflowAxis) => {
const overflowVisible = overflowIsVisible(behavior);
const overflowVisibleBehavior = hasOverflowAxis && overflowVisible && behavior.replace(`${strVisible}-`, "") || "";
return [
hasOverflowAxis && !overflowVisible ? behavior : "",
overflowIsVisible(overflowVisibleBehavior) ? "hidden" : overflowVisibleBehavior
];
};
const [overflowX, visibleBehaviorX] = setAxisOverflowStyle(overflowOption.x, hasOverflow.x);
const [overflowY, visibleBehaviorY] = setAxisOverflowStyle(overflowOption.y, hasOverflow.y);
viewportStyleObj.overflowX = visibleBehaviorX && overflowY ? visibleBehaviorX : overflowX;
viewportStyleObj.overflowY = visibleBehaviorY && overflowX ? visibleBehaviorY : overflowY;
return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);
};
const arrangeViewport = (viewportOverflowState, viewportScrollSize, sizeFraction, directionIsRTL) => {
if (doViewportArrange) {
const { _viewportPaddingStyle } = getState();
const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;
const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;
const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;
const viewportArrangeHorizontalPaddingKey = directionIsRTL ? "paddingRight" : "paddingLeft";
const viewportArrangeHorizontalPaddingValue = _viewportPaddingStyle[viewportArrangeHorizontalPaddingKey];
const viewportArrangeVerticalPaddingValue = _viewportPaddingStyle.paddingTop;
const fractionalContentWidth = viewportScrollSize.w + sizeFraction.w;
const fractionalContenHeight = viewportScrollSize.h + sizeFraction.h;
const arrangeSize = {
w: hideOffsetY && arrangeY ? `${hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue}px` : "",
h: hideOffsetX && arrangeX ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px` : ""
};
if (_viewportArrange) {
const { sheet } = _viewportArrange;
if (sheet) {
const { cssRules } = sheet;
if (cssRules) {
if (!cssRules.length) {
sheet.insertRule(`#${attr(_viewportArrange, "id")} + .${classNameViewportArrange}::before {}`, 0);
}
const ruleStyle = cssRules[0].style;
ruleStyle.width = arrangeSize.w;
ruleStyle.height = arrangeSize.h;
}
}
} else {
style(_viewport, {
"--os-vaw": arrangeSize.w,
"--os-vah": arrangeSize.h
});
}
}
return doViewportArrange;
};
const hideNativeScrollbars = (viewportOverflowState, directionIsRTL, viewportArrange, viewportStyleObj) => {
const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;
const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;
const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;
const { _viewportPaddingStyle: viewportPaddingStyle } = getState();
const horizontalMarginKey = directionIsRTL ? "marginLeft" : "marginRight";
const viewportHorizontalPaddingKey = directionIsRTL ? "paddingLeft" : "paddingRight";
const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey];
const verticalMarginValue = viewportPaddingStyle.marginBottom;
const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey];
const verticalPaddingValue = viewportPaddingStyle.paddingBottom;
viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;
viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;
viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;
if (viewportArrange) {
viewportStyleObj[viewportHorizontalPaddingKey] = horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);
viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);
}
};
const undoViewportArrange = (showNativeOverlaidScrollbars, directionIsRTL, viewportOverflowState) => {
if (doViewportArrange) {
const finalViewportOverflowState = viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);
const { _viewportPaddingStyle: viewportPaddingStyle } = getState();
const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;
const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;
const finalPaddingStyle = {};
const assignProps = (props) => each(props.split(" "), (prop) => {
finalPaddingStyle[prop] = viewportPaddingStyle[prop];
});
if (arrangeX) {
assignProps("marginBottom paddingTop paddingBottom");
}
if (arrangeY) {
assignProps("marginLeft marginRight paddingLeft paddingRight");
}
const prevStyle = style(_viewport, keys(finalPaddingStyle));
removeClass(_viewport, classNameViewportArrange);
if (!_flexboxGlue) {
finalPaddingStyle.height = "";
}
style(_viewport, finalPaddingStyle);
return [
() => {
hideNativeScrollbars(finalViewportOverflowState, directionIsRTL, doViewportArrange, prevStyle);
style(_viewport, prevStyle);
addClass(_viewport, classNameViewportArrange);
},
finalViewportOverflowState
];
}
return [noop];
};
return (updateHints, checkOption, force) => {
const {
_sizeChanged,
_hostMutation,
_contentMutation,
_paddingStyleChanged,
_heightIntrinsicChanged,
_directionChanged
} = updateHints;
const { _heightIntrinsic, _directionIsRTL } = getState();
const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] = checkOption("nativeScrollbarsOverlaid.show");
const [overflow, overflowChanged] = checkOption("overflow");
const showNativeOverlaidScrollbars = showNativeOverlaidScrollbarsOption && _nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y;
const adjustFlexboxGlue = !_viewportIsTarget && !_flexboxGlue && (_sizeChanged || _contentMutation || _hostMutation || showNativeOverlaidScrollbarsChanged || _heightIntrinsicChanged);
const overflowXVisible = overflowIsVisible(overflow.x);
const overflowYVisible = overflowIsVisible(overflow.y);
const overflowVisible = overflowXVisible || overflowYVisible;
let sizeFractionCache = getCurrentSizeFraction(force);
let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);
let overflowAmuntCache = getCurrentOverflowAmountCache(force);
let preMeasureViewportOverflowState;
if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarStyling) {
_viewportAddRemoveClass(classNameViewportScrollbarStyling, dataValueHostViewportScrollbarStyling, !showNativeOverlaidScrollbars);
}
if (adjustFlexboxGlue) {
preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);
fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);
}
if (_sizeChanged || _paddingStyleChanged || _contentMutation || _directionChanged || showNativeOverlaidScrollbarsChanged) {
if (overflowVisible) {
_viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, false);
}
const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(showNativeOverlaidScrollbars, _directionIsRTL, preMeasureViewportOverflowState);
const [sizeFraction2, sizeFractionChanged2] = sizeFractionCache = updateSizeFraction(force);
const [viewportScrollSize2, viewportScrollSizeChanged2] = viewportScrollSizeCache = updateViewportScrollSizeCache(force);
const viewportclientSize = clientSize(_viewport);
let arrangedViewportScrollSize = viewportScrollSize2;
let arrangedViewportClientSize = viewportclientSize;
redoViewportArrange();
if ((viewportScrollSizeChanged2 || sizeFractionChanged2 || showNativeOverlaidScrollbarsChanged) && undoViewportArrangeOverflowState && !showNativeOverlaidScrollbars && arrangeViewport(undoViewportArrangeOverflowState, viewportScrollSize2, sizeFraction2, _directionIsRTL)) {
arrangedViewportClientSize = clientSize(_viewport);
arrangedViewportScrollSize = scrollSize(_viewport);
}
overflowAmuntCache = updateOverflowAmountCache(getOverflowAmount({
w: max(viewportScrollSize2.w, arrangedViewportScrollSize.w),
h: max(viewportScrollSize2.h, arrangedViewportScrollSize.h)
}, {
w: arrangedViewportClientSize.w + max(0, viewportclientSize.w - viewportScrollSize2.w),
h: arrangedViewportClientSize.h + max(0, viewportclientSize.h - viewportScrollSize2.h)
}, sizeFraction2), force);
}
const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;
const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;
const [sizeFraction, sizeFractionChanged] = sizeFractionCache;
const hasOverflow = {
x: overflowAmount.w > 0,
y: overflowAmount.h > 0
};
const removeClipping = overflowXVisible && overflowYVisible && (hasOverflow.x || hasOverflow.y) || overflowXVisible && hasOverflow.x && !hasOverflow.y || overflowYVisible && hasOverflow.y && !hasOverflow.x;
if (_paddingStyleChanged || _directionChanged || sizeFractionChanged || viewportScrollSizeChanged || overflowAmountChanged || overflowChanged || showNativeOverlaidScrollbarsChanged || adjustFlexboxGlue) {
const viewportStyle = {
marginRight: 0,
marginBottom: 0,
marginLeft: 0,
width: "",
overflowY: "",
overflowX: ""
};
const viewportOverflowState = setViewportOverflowState(showNativeOverlaidScrollbars, hasOverflow, overflow, viewportStyle);
const viewportArranged = arrangeViewport(viewportOverflowState, viewportScrollSize, sizeFraction, _directionIsRTL);
if (!_viewportIsTarget) {
hideNativeScrollbars(viewportOverflowState, _directionIsRTL, viewportArranged, viewportStyle);
}
if (adjustFlexboxGlue) {
fixFlexboxGlue(viewportOverflowState, _heightIntrinsic);
}
if (_viewportIsTarget) {
attr(_host, dataAttributeHostOverflowX, viewportStyle.overflowX);
attr(_host, dataAttributeHostOverflowY, viewportStyle.overflowY);
} else {
style(_viewport, viewportStyle);
}
}
attrClass(_host, dataAttributeHost, dataValueHostOverflowVisible, removeClipping);
conditionalClass(_padding, classNameOverflowVisible, removeClipping);
!_viewportIsTarget && conditionalClass(_viewport, classNameOverflowVisible, overflowVisible);
const [overflowStyle, overflowStyleChanged] = updateOverflowStyleCache(getViewportOverflowState(showNativeOverlaidScrollbars)._overflowStyle);
setState({
_overflowStyle: overflowStyle,
_overflowAmount: {
x: overflowAmount.w,
y: overflowAmount.h
},
_hasOverflow: hasOverflow
});
return {
_overflowStyleChanged: overflowStyleChanged,
_overflowAmountChanged: overflowAmountChanged
};
};
};
const prepareUpdateHints = (leading, adaptive, force) => {
const result = {};
const finalAdaptive = adaptive || {};
const objKeys = keys(leading).concat(keys(finalAdaptive));
each(objKeys, (key) => {
const leadingValue = leading[key];
const adaptiveValue = finalAdaptive[key];
result[key] = !!(force || leadingValue || adaptiveValue);
});
return result;
};
const createStructureSetupUpdate = (structureSetupElements, state) => {
const { _viewport } = structureSetupElements;
const { _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _flexboxGlue } = getEnvironment();
const doViewportArrange = !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);
const updateSegments = [
createTrinsicUpdate(structureSetupElements, state),
createPaddingUpdate(structureSetupElements, state),
createOverflowUpdate(structureSetupElements, state)
];
return (checkOption, updateHints, force) => {
const initialUpdateHints = prepareUpdateHints(assignDeep({
_sizeChanged: false,
_paddingStyleChanged: false,
_directionChanged: false,
_heightIntrinsicChanged: false,
_overflowAmountChanged: false,
_overflowStyleChanged: false,
_hostMutation: false,
_contentMutation: false
}, updateHints), {}, force);
const adjustScrollOffset = doViewportArrange || !_flexboxGlue;
const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);
const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);
let adaptivedUpdateHints = initialUpdateHints;
each(updateSegments, (updateSegment) => {
adaptivedUpdateHints = prepareUpdateHints(adaptivedUpdateHints, updateSegment(adaptivedUpdateHints, checkOption, !!force) || {}, force);
});
if (isNumber(scrollOffsetX)) {
scrollLeft(_viewport, scrollOffsetX);
}
if (isNumber(scrollOffsetY)) {
scrollTop(_viewport, scrollOffsetY);
}
return adaptivedUpdateHints;
};
};
const animationStartEventName = "animationstart";
const scrollEventName = "scroll";
const scrollAmount = 3333333;
const getElmDirectionIsRTL = (elm) => style(elm, "direction") === "rtl";
const domRectHasDimensions = (rect) => rect && (rect.height || rect.width);
const createSizeObserver = (target, onSizeChangedCallback, options) => {
const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } = options || {};
const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();
const baseElements = createDOM(`<div class="${classNameSizeObserver}"><div class="${classNameSizeObserverListener}"></div></div>`);
const sizeObserver = baseElements[0];
const listenerElement = sizeObserver.firstChild;
const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);
const [updateResizeObserverContentRectCache] = createCache({
_initialValue: void 0,
_alwaysUpdateValues: true,
_equal: (currVal, newVal) => !(!currVal || !domRectHasDimensions(currVal) && domRectHasDimensions(newVal))
});
const onSizeChangedCallbackProxy = (sizeChangedContext) => {
const isResizeObserverCall = isArray(sizeChangedContext) && sizeChangedContext.length > 0 && isObject(sizeChangedContext[0]);
const hasDirectionCache = !isResizeObserverCall && isBoolean(sizeChangedContext[0]);
let skip = false;
let appear = false;
let doDirectionScroll = true;
if (isResizeObserverCall) {
const [currRContentRect, , prevContentRect] = updateResizeObserverContentRectCache(sizeChangedContext.pop().contentRect);
const hasDimensions = domRectHasDimensions(currRContentRect);
const hadDimensions = domRectHasDimensions(prevContentRect);
skip = !prevContentRect || !hasDimensions;
appear = !hadDimensions && hasDimensions;
doDirectionScroll = !skip;
} else if (hasDirectionCache) {
[, doDirectionScroll] = sizeChangedContext;
} else {
appear = sizeChangedContext === true;
}
if (observeDirectionChange && doDirectionScroll) {
const rtl = hasDirectionCache ? sizeChangedContext[0] : getElmDirectionIsRTL(sizeObserver);
scrollLeft(sizeObserver, rtl ? rtlScrollBehavior.n ? -scrollAmount : rtlScrollBehavior.i ? 0 : scrollAmount : scrollAmount);
scrollTop(sizeObserver, scrollAmount);
}
if (!skip) {
onSizeChangedCallback({
_sizeChanged: !hasDirectionCache,
_directionIsRTLCache: hasDirectionCache ? sizeChangedContext : void 0,
_appear: !!appear
});
}
};
const offListeners = [];
let appearCallback = observeAppearChange ? onSizeChangedCallbackProxy : false;
let directionIsRTLCache;
if (ResizeObserverConstructor) {
const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);
resizeObserverInstance.observe(listenerElement);
push(offListeners, () => {
resizeObserverInstance.disconnect();
});
} else {
const observerElementChildren = createDOM(`<div class="${classNameSizeObserverListenerItem}" dir="ltr"><div class="${classNameSizeObserverListenerItem}"><div class="${classNameSizeObserverListenerItemFinal}"></div></div><div class="${classNameSizeObserverListenerItem}"><div class="${classNameSizeObserverListenerItemFinal}" style="width: 200%; height: 200%"></div></div></div>`);
appendChildren(listenerElement, observerElementChildren);
addClass(listenerElement, classNameSizeObserverListenerScroll);
const observerElementChildrenRoot = observerElementChildren[0];
const shrinkElement = observerElementChildrenRoot.lastChild;
const expandElement = observerElementChildrenRoot.firstChild;
const expandElementChild = expandElement == null ? void 0 : expandElement.firstChild;
let cacheSize = offsetSize(observerElementChildrenRoot);
let currSize = cacheSize;
let isDirty = false;
let rAFId;
const reset = () => {
scrollLeft(expandElement, scrollAmount);
scrollTop(expandElement, scrollAmount);
scrollLeft(shrinkElement, scrollAmount);
scrollTop(shrinkElement, scrollAmount);
};
const onResized = (appear) => {
rAFId = 0;
if (isDirty) {
cacheSize = currSize;
onSizeChangedCallbackProxy(appear === true);
}
};
const onScroll = (scrollEvent) => {
currSize = offsetSize(observerElementChildrenRoot);
isDirty = !scrollEvent || !equalWH(currSize, cacheSize);
if (scrollEvent) {
stopAndPrevent(scrollEvent);
if (isDirty && !rAFId) {
cAF(rAFId);
rAFId = rAF(onResized);
}
} else {
onResized(scrollEvent === false);
}
reset();
};
push(offListeners, [
on(expandElement, scrollEventName, onScroll),
on(shrinkElement, scrollEventName, onScroll)
]);
style(expandElementChild, {
width: scrollAmount,
height: scrollAmount
});
reset();
appearCallback = observeAppearChange ? onScroll.bind(0, false) : reset;
}
if (observeDirectionChange) {
directionIsRTLCache = createCache({
_initialValue: !getIsDirectionRTL()
}, getIsDirectionRTL);
const [updateDirectionIsRTLCache] = directionIsRTLCache;
push(offListeners, on(sizeObserver, scrollEventName, (event) => {
const directionIsRTLCacheValues = updateDirectionIsRTLCache();
const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;
if (directionIsRTLChanged) {
removeClass(listenerElement, "ltr rtl");
if (directionIsRTL) {
addClass(listenerElement, "rtl");
} else {
addClass(listenerElement, "ltr");
}
onSizeChangedCallbackProxy(directionIsRTLCacheValues);
}
stopAndPrevent(event);
}));
}
if (appearCallback) {
addClass(sizeObserver, classNameSizeObserverAppear);
push(offListeners, on(sizeObserver, animationStartEventName, appearCallback, {
_once: !!ResizeObserverConstructor
}));
}
prependChildren(target, sizeObserver);
return () => {
runEach(offListeners);
removeElements(sizeObserver);
};
};
const isHeightIntrinsic = (ioEntryOrSize) => ioEntryOrSize.h === 0 || ioEntryOrSize.isIntersecting || ioEntryOrSize.intersectionRatio > 0;
const createTrinsicObserver = (target, onTrinsicChangedCallback) => {
const trinsicObserver = createDiv(classNameTrinsicObserver);
const offListeners = [];
const [updateHeightIntrinsicCache] = createCache({
_initialValue: false
});
const triggerOnTrinsicChangedCallback = (updateValue) => {
if (updateValue) {
const heightIntrinsic = updateHeightIntrinsicCache(isHeightIntrinsic(updateValue));
const [, heightIntrinsicChanged] = heightIntrinsic;
if (heightIntrinsicChanged) {
onTrinsicChangedCallback(heightIntrinsic);
}
}
};
if (IntersectionObserverConstructor) {
const intersectionObserverInstance = new IntersectionObserverConstructor((entries) => {
if (entries && entries.length > 0) {
triggerOnTrinsicChangedCallback(entries.pop());
}
}, { root: target });
intersectionObserverInstance.observe(trinsicObserver);
push(offListeners, () => {
intersectionObserverInstance.disconnect();
});
} else {
const onSizeChanged = () => {
const newSize = offsetSize(trinsicObserver);
triggerOnTrinsicChangedCallback(newSize);
};
push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged));
onSizeChanged();
}
prependChildren(target, trinsicObserver);
return () => {
runEach(offListeners);
removeElements(trinsicObserver);
};
};
const createEventContentChange = (target, callback, eventContentChange) => {
let map;
let destroyed = false;
const destroy = () => {
destroyed = true;
};
const updateElements = (getElements) => {
if (eventContentChange) {
const eventElmList = eventContentChange.reduce((arr, item) => {
if (item) {
const selector = item[0];
const eventNames = item[1];
const elements = eventNames && selector && (getElements ? getElements(selector) : find(selector, target));
if (elements && elements.length && eventNames && isString(eventNames)) {
push(arr, [elements, eventNames.trim()], true);
}
}
return arr;
}, []);
each(eventElmList, (item) => each(item[0], (elm) => {
const eventNames = item[1];
const entry = map.get(elm);
if (entry) {
const entryEventNames = entry[0];
const entryOff = entry[1];
if (entryEventNames === eventNames) {
entryOff();
}
}
const off = on(elm, eventNames, (event) => {
if (destroyed) {
off();
map.delete(elm);
} else {
callback(event);
}
});
map.set(elm, [eventNames, off]);
}));
}
};
if (eventContentChange) {
map = /* @__PURE__ */ new WeakMap();
updateElements();
}
return [destroy, updateElements];
};
const createDOMObserver = (target, isContentObserver, callback, options) => {
let isConnected = false;
const {
_attributes,
_styleChangingAttributes,
_eventContentChange,
_nestedTargetSelector,
_ignoreTargetChange,
_ignoreContentChange
} = options || {};
const [destroyEventContentChange, updateEventContentChangeElements] = createEventContentChange(target, debounce(() => {
if (isConnected) {
callback(true);
}
}, { _timeout: 33, _maxDelay: 99 }), _eventContentChange);
const finalAttributes = _attributes || [];
const finalStyleChangingAttributes = _styleChangingAttributes || [];
const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);
const observerCallback = (mutations) => {
const ignoreTargetChange = _ignoreTargetChange || noop;
const ignoreContentChange = _ignoreContentChange || noop;
const targetChangedAttrs = [];
const totalAddedNodes = [];
let targetStyleChanged = false;
let contentChanged = false;
let childListChanged = false;
each(mutations, (mutation) => {
const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;
const isAttributesType = type === "attributes";
const isChildListType = type === "childList";
const targetIsMutationTarget = target === mutationTarget;
const attributeValue = isAttributesType && isString(attributeName) ? attr(mutationTarget, attributeName) : 0;
const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;
const styleChangingAttrChanged = indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;
if (isContentObserver && !targetIsMutationTarget) {
const notOnlyAttrChanged = !isAttributesType;
const contentAttrChanged = isAttributesType && styleChangingAttrChanged;
const isNestedTarget = contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);
const baseAssertion = isNestedTarget ? !ignoreTargetChange(mutationTarget, attributeName, oldValue, attributeValue) : notOnlyAttrChanged || contentAttrChanged;
const contentFinalChanged = baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);
push(totalAddedNodes, addedNodes);
contentChanged = contentChanged || contentFinalChanged;
childListChanged = childListChanged || isChildListType;
}
if (!isContentObserver && targetIsMutationTarget && attributeChanged && !ignoreTargetChange(mutationTarget, attributeName, oldValue, attributeValue)) {
push(targetChangedAttrs, attributeName);
targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;
}
});
if (childListChanged && !isEmptyArray(totalAddedNodes)) {
updateEventContentChangeElements((selector) => totalAddedNodes.reduce((arr, node) => {
push(arr, find(selector, node));
return is(node, selector) ? push(arr, node) : arr;
}, []));
}
if (isContentObserver) {
contentChanged && callback(false);
} else if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {
callback(targetChangedAttrs, targetStyleChanged);
}
};
const mutationObserver = new MutationObserverConstructor(observerCallback);
mutationObserver.observe(target, {
attributes: true,
attributeOldValue: true,
attributeFilter: observedAttributes,
subtree: isContentObserver,
childList: isContentObserver,
characterData: isContentObserver
});
isConnected = true;
return [
() => {
if (isConnected) {
destroyEventContentChange();
mutationObserver.disconnect();
isConnected = false;
}
},
() => {
if (isConnected) {
observerCallback(mutationObserver.takeRecords());
}
}
];
};
const hostSelector = `[${dataAttributeHost}]`;
const viewportSelector = `.${classNameViewport}`;
const viewportAttrsFromTarget = ["tabindex"];
const baseStyleChangingAttrsTextarea = ["wrap", "cols", "rows"];
const baseStyleChangingAttrs = ["id", "class", "style", "open"];
const createStructureSetupObservers = (structureSetupElements, state, structureSetupUpdate) => {
let debounceTimeout;
let debounceMaxDelay;
let contentMutationObserver;
const [, setState] = state;
const {
_host,
_viewport,
_content,
_isTextarea,
_viewportIsTarget,
_viewportHasClass,
_viewportAddRemoveClass
} = structureSetupElements;
const { _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();
const [updateContentSizeCache] = createCache({
_equal: equalWH,
_initialValue: { w: 0, h: 0 }
}, () => {
const has = _viewportHasClass(classNameOverflowVisible, dataValueHostOverflowVisible);
has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible);
const contentScroll = scrollSize(_content);
const viewportScroll = scrollSize(_viewport);
const fractional = fractionalSize(_viewport);
has && _viewportAddRemoveClass(classNameOverflowVisible, dataValueHostOverflowVisible, true);
return {
w: viewportScroll.w + contentScroll.w + fractional.w,
h: viewportScroll.h + contentScroll.h + fractional.h
};
});
const contentMutationObserverAttr = _isTextarea ? baseStyleChangingAttrsTextarea : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);
const structureSetupUpdateWithDebouncedAdaptiveUpdateHints = debounce(structureSetupUpdate, {
_timeout: () => debounceTimeout,
_maxDelay: () => debounceMaxDelay,
_mergeParams(prev, curr) {
const [prevObj] = prev;
const [currObj] = curr;
return [
keys(prevObj).concat(keys(currObj)).reduce((obj, key) => {
obj[key] = prevObj[key] || currObj[key];
return obj;
}, {})
];
}
});
const updateViewportAttrsFromHost = (attributes) => {
each(attributes || viewportAttrsFromTarget, (attribute) => {
if (indexOf(viewportAttrsFromTarget, attribute) > -1) {
const hostAttr = attr(_host, attribute);
if (isString(hostAttr)) {
attr(_viewport, attribute, hostAttr);
} else {
removeAttr(_viewport, attribute);
}
}
});
};
const onTrinsicChanged = (heightIntrinsicCache) => {
const [heightIntrinsic, heightIntrinsicChanged] = heightIntrinsicCache;
setState({ _heightIntrinsic: heightIntrinsic });
structureSetupUpdate({ _heightIntrinsicChanged: heightIntrinsicChanged });
};
const onSizeChanged = ({
_sizeChanged,
_directionIsRTLCache,
_appear
}) => {
const updateFn = !_sizeChanged || _appear ? structureSetupUpdate : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;
let directionChanged = false;
if (_directionIsRTLCache) {
const [directionIsRTL, directionIsRTLChanged] = _directionIsRTLCache;
directionChanged = directionIsRTLChanged;
setState({ _directionIsRTL: directionIsRTL });
}
updateFn({ _sizeChanged, _directionChanged: directionChanged });
};
const onContentMutation = (contentChangedTroughEvent) => {
const [, contentSizeChanged] = updateContentSizeCache();
const updateFn = contentChangedTroughEvent ? structureSetupUpdate : structureSetupUpdateWithDebouncedAdaptiveUpdateHints;
if (contentSizeChanged) {
updateFn({
_contentMutation: true
});
}
};
const onHostMutation = (targetChangedAttrs, targetStyleChanged) => {
if (targetStyleChanged) {
structureSetupUpdateWithDebouncedAdaptiveUpdateHints({
_hostMutation: true
});
} else if (!_viewportIsTarget) {
updateViewportAttrsFromHost(targetChangedAttrs);
}
};
const destroyTrinsicObserver = (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);
const destroySizeObserver = !_viewportIsTarget && createSizeObserver(_host, onSizeChanged, {
_appear: true,
_direction: !_nativeScrollbarStyling
});
const [destroyHostMutationObserver] = createDOMObserver(_host, false, onHostMutation, {
_styleChangingAttributes: baseStyleChangingAttrs,
_attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget)
});
const viewportIsTargetResizeObserver = _viewportIsTarget && new ResizeObserverConstructor(onSizeChanged.bind(0, { _sizeChanged: true }));
viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.observe(_host);
updateViewportAttrsFromHost();
return [
(checkOption) => {
const [ignoreMutation] = checkOption("updating.ignoreMutation");
const [attributes, attributesChanged] = checkOption("updating.attributes");
const [elementEvents, elementEventsChanged] = checkOption("updating.elementEvents");
const [debounceValue, debounceChanged] = checkOption("updating.debounce");
const updateContentMutationObserver = elementEventsChanged || attributesChanged;
const ignoreMutationFromOptions = (mutation) => isFunction(ignoreMutation) && ignoreMutation(mutation);
if (updateContentMutationObserver) {
if (contentMutationObserver) {
contentMutationObserver[1]();
contentMutationObserver[0]();
}
contentMutationObserver = createDOMObserver(_content || _viewport, true, onContentMutation, {
_styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),
_attributes: contentMutationObserverAttr.concat(attributes || []),
_eventContentChange: elementEvents,
_nestedTargetSelector: hostSelector,
_ignoreContentChange: (mutation, isNestedTarget) => {
const { target, attributeName } = mutation;
const ignore = !isNestedTarget && attributeName ? liesBetween(target, hostSelector, viewportSelector) : false;
return ignore || !!ignoreMutationFromOptions(mutation);
}
});
}
if (debounceChanged) {
structureSetupUpdateWithDebouncedAdaptiveUpdateHints._flush();
if (isArray(debounceValue)) {
const timeout = debounceValue[0];
const maxWait = debounceValue[1];
debounceTimeout = isNumber(timeout) ? timeout : false;
debounceMaxDelay = isNumber(maxWait) ? maxWait : false;
} else if (isNumber(debounceValue)) {
debounceTimeout = debounceValue;
debounceMaxDelay = false;
} else {
debounceTimeout = false;
debounceMaxDelay = false;
}
}
},
() => {
contentMutationObserver && contentMutationObserver[0]();
destroyTrinsicObserver && destroyTrinsicObserver();
destroySizeObserver && destroySizeObserver();
viewportIsTargetResizeObserver && viewportIsTargetResizeObserver.disconnect();
destroyHostMutationObserver();
}
];
};
const initialStructureSetupUpdateState = {
_padding: {
t: 0,
r: 0,
b: 0,
l: 0
},
_paddingAbsolute: false,
_viewportPaddingStyle: {
marginRight: 0,
marginBottom: 0,
marginLeft: 0,
paddingTop: 0,
paddingRight: 0,
paddingBottom: 0,
paddingLeft: 0
},
_overflowAmount: {
x: 0,
y: 0
},
_overflowStyle: {
x: "hidden",
y: "hidden"
},
_hasOverflow: {
x: false,
y: false
},
_heightIntrinsic: false,
_directionIsRTL: false
};
const createStructureSetup = (target, options) => {
const checkOptionsFallback = createOptionCheck(options, {});
const state = createState(initialStructureSetupUpdateState);
const onUpdatedListeners = /* @__PURE__ */ new Set();
const [getState] = state;
const runOnUpdatedListeners = (updateHints, changedOptions, force) => {
runEach(onUpdatedListeners, [updateHints, changedOptions || {}, !!force]);
};
const [elements, destroyElements] = createStructureSetupElements(target);
const updateStructure = createStructureSetupUpdate(elements, state);
const [updateObservers, destroyObservers] = createStructureSetupObservers(elements, state, (updateHints) => {
runOnUpdatedListeners(updateStructure(checkOptionsFallback, updateHints));
});
const structureSetupState = getState.bind(0);
structureSetupState._addOnUpdatedListener = (listener) => {
onUpdatedListeners.add(listener);
};
structureSetupState._elements = elements;
return [
(changedOptions, force) => {
const checkOption = createOptionCheck(options, changedOptions, force);
updateObservers(checkOption);
runOnUpdatedListeners(updateStructure(checkOption, {}, force));
},
structureSetupState,
() => {
onUpdatedListeners.clear();
destroyObservers();
destroyElements();
}
];
};
const generateScrollbarDOM = (scrollbarClassName) => {
const scrollbar = createDiv(`${classNameScrollbar} ${scrollbarClassName}`);
const track = createDiv(classNameScrollbarTrack);
const handle = createDiv(classNameScrollbarHandle);
appendChildren(scrollbar, track);
appendChildren(track, handle);
return {
_scrollbar: scrollbar,
_track: track,
_handle: handle
};
};
const createScrollbarsSetupElements = (target, structureSetupElements) => {
const { _getInitializationStrategy } = getEnvironment();
const { _scrollbarsSlot: environmentScrollbarSlot } = _getInitializationStrategy();
const { _target, _host, _viewport, _targetIsElm } = structureSetupElements;
const initializationScrollbarSlot = !_targetIsElm && target.scrollbarsSlot;
const initializationScrollbarSlotResult = isFunction(initializationScrollbarSlot) ? initializationScrollbarSlot(_target, _host, _viewport) : initializationScrollbarSlot;
const evaluatedScrollbarSlot = initializationScrollbarSlotResult || (isFunction(environmentScrollbarSlot) ? environmentScrollbarSlot(_target, _host, _viewport) : environmentScrollbarSlot) || _host;
const horizontalScrollbarStructure = generateScrollbarDOM(classNameScrollbarHorizontal);
const verticalScrollbarStructure = generateScrollbarDOM(classNameScrollbarVertical);
const { _scrollbar: horizontalScrollbar } = horizontalScrollbarStructure;
const { _scrollbar: verticalScrollbar } = verticalScrollbarStructure;
appendChildren(evaluatedScrollbarSlot, horizontalScrollbar);
appendChildren(evaluatedScrollbarSlot, verticalScrollbar);
return [
{
_horizontalScrollbarStructure: horizontalScrollbarStructure,
_verticalScrollbarStructure: verticalScrollbarStructure
},
removeElements.bind(0, [horizontalScrollbar, verticalScrollbar])
];
};
const createScrollbarsSetup = (target, options, structureSetupElements) => {
const state = createState({});
const [getState] = state;
const [elements, destroyElements] = createScrollbarsSetupElements(target, structureSetupElements);
const scrollbarsSetupState = getState.bind(0);
scrollbarsSetupState._elements = elements;
return [
(changedOptions, force) => {
const checkOption = createOptionCheck(options, changedOptions, force);
console.log(checkOption);
},
scrollbarsSetupState,
() => {
destroyElements();
}
];
};
const pluginRegistry = {};
const getPlugins = () => assignDeep({}, pluginRegistry);
const addPlugin = (addedPlugin) => each(isArray(addedPlugin) ? addedPlugin : [addedPlugin], (plugin) => {
pluginRegistry[plugin[0]] = plugin[1];
});
const optionsValidationPluginName = "__osOptionsValidationPlugin";
const targets = /* @__PURE__ */ new Set();
const targetInstanceMap = /* @__PURE__ */ new WeakMap();
const addInstance = (target, osInstance) => {
targetInstanceMap.set(target, osInstance);
targets.add(target);
};
const removeInstance = (target) => {
targetInstanceMap.delete(target);
targets.delete(target);
};
const getInstance = (target) => targetInstanceMap.get(target);
const createOSEventListenerHub = (initialEventListeners) => createEventListenerHub(initialEventListeners);
const OverlayScrollbars = (target, options, eventListeners) => {
const {
_getDefaultOptions,
_nativeScrollbarIsOverlaid,
_addListener: addEnvListener
} = getEnvironment();
const plugins = getPlugins();
const instanceTarget = isHTMLElement(target) ? target : target.target;
const potentialInstance = getInstance(instanceTarget);
if (potentialInstance) {
return potentialInstance;
}
const optionsValidationPlugin = plugins[optionsValidationPluginName];
const validateOptions = (newOptions) => {
const opts = newOptions || {};
const validate = optionsValidationPlugin && optionsValidationPlugin._;
return validate ? validate(opts, true) : opts;
};
const currentOptions = assignDeep({}, _getDefaultOptions(), validateOptions(options));
const [addEvent, removeEvent, triggerEvent] = createOSEventListenerHub(eventListeners);
if (_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y && !currentOptions.nativeScrollbarsOverlaid.initialize) {
triggerEvent("initializationWithdrawn");
}
const [updateStructure, structureState, destroyStructure] = createStructureSetup(target, currentOptions);
const [updateScrollbars, , destroyScrollbars] = createScrollbarsSetup(target, currentOptions, structureState._elements);
const update = (changedOptions, force) => {
updateStructure(changedOptions, force);
updateScrollbars(changedOptions, force);
};
const removeEnvListener = addEnvListener(update.bind(0, {}, true));
structureState._addOnUpdatedListener((updateHints, changedOptions, force) => {
const {
_sizeChanged,
_directionChanged,
_heightIntrinsicChanged,
_overflowAmountChanged,
_overflowStyleChanged,
_contentMutation,
_hostMutation
} = updateHints;
triggerEvent("updated", {
updateHints: {
sizeChanged: _sizeChanged,
directionChanged: _directionChanged,
heightIntrinsicChanged: _heightIntrinsicChanged,
overflowAmountChanged: _overflowAmountChanged,
overflowStyleChanged: _overflowStyleChanged,
contentMutation: _contentMutation,
hostMutation: _hostMutation
},
changedOptions,
force
});
});
const instance = {
options(newOptions) {
if (newOptions) {
const changedOptions = getOptionsDiff(currentOptions, validateOptions(newOptions));
if (!isEmptyObject(changedOptions)) {
assignDeep(currentOptions, changedOptions);
update(changedOptions);
}
}
return assignDeep({}, currentOptions);
},
on: addEvent,
off: removeEvent,
state() {
const { _overflowAmount, _overflowStyle, _hasOverflow, _padding, _paddingAbsolute } = structureState();
return assignDeep({}, {
overflowAmount: _overflowAmount,
overflowStyle: _overflowStyle,
hasOverflow: _hasOverflow,
padding: _padding,
paddingAbsolute: _paddingAbsolute
});
},
elements() {
const { _target, _host, _padding, _viewport, _content } = structureState._elements;
return assignDeep({}, {
target: _target,
host: _host,
padding: _padding || _viewport,
viewport: _viewport,
content: _content || _viewport
});
},
update(force) {
update({}, force);
},
destroy: () => {
removeInstance(instanceTarget);
removeEnvListener();
removeEvent();
destroyScrollbars();
destroyStructure();
triggerEvent("destroyed");
}
};
each(keys(plugins), (pluginName) => {
const pluginInstance = plugins[pluginName];
if (isFunction(pluginInstance)) {
pluginInstance(OverlayScrollbars, instance);
}
});
instance.update(true);
addInstance(instanceTarget, instance);
triggerEvent("initialized");
return instance;
};
OverlayScrollbars.plugin = addPlugin;
OverlayScrollbars.env = () => {
const {
_nativeScrollbarSize,
_nativeScrollbarIsOverlaid,
_nativeScrollbarStyling,
_rtlScrollBehavior,
_flexboxGlue,
_cssCustomProperties,
_defaultInitializationStrategy,
_defaultDefaultOptions,
_getInitializationStrategy,
_setInitializationStrategy,
_getDefaultOptions,
_setDefaultOptions
} = getEnvironment();
return assignDeep({}, {
scrollbarSize: _nativeScrollbarSize,
scrollbarIsOverlaid: _nativeScrollbarIsOverlaid,
scrollbarStyling: _nativeScrollbarStyling,
rtlScrollBehavior: _rtlScrollBehavior,
flexboxGlue: _flexboxGlue,
cssCustomProperties: _cssCustomProperties,
defaultInitializationStrategy: _defaultInitializationStrategy,
defaultDefaultOptions: _defaultDefaultOptions,
getInitializationStrategy: _getInitializationStrategy,
setInitializationStrategy: _setInitializationStrategy,
getDefaultOptions: _getDefaultOptions,
setDefaultOptions: _setDefaultOptions
});
};
export { OverlayScrollbars as default };
//# sourceMappingURL=overlayscrollbars.js.map