mirror of
https://github.com/tenrok/OverlayScrollbars.git
synced 2026-06-19 01:20:37 +03:00
Rene
2224 lines
73 KiB
JavaScript
2224 lines
73 KiB
JavaScript
const createCache = (update, options) => {
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const { _equal, _initialValue, _alwaysUpdateValues } = options || {};
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let _value = _initialValue;
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let _previous;
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const cacheUpdate = (force, context) => {
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const curr = _value;
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const newVal = update ? update(context, _value, _previous) : context;
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const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);
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if (changed || _alwaysUpdateValues) {
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_value = newVal;
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_previous = curr;
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}
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return {
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_value,
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_previous,
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_changed: changed,
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};
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};
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return {
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_update: cacheUpdate,
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_current: (force) => ({
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_value,
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_previous,
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_changed: !!force,
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}),
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};
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};
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const ElementNodeType = Node.ELEMENT_NODE;
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const { toString, hasOwnProperty } = Object.prototype;
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function isUndefined(obj) {
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return obj === undefined;
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}
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function isNull(obj) {
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return obj === null;
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}
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const type = (obj) => {
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return isUndefined(obj) || isNull(obj)
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? `${obj}`
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: toString
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.call(obj)
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.replace(/^\[object (.+)\]$/, '$1')
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.toLowerCase();
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};
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function isNumber(obj) {
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return typeof obj === 'number';
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}
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function isString(obj) {
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return typeof obj === 'string';
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}
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function isBoolean(obj) {
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return typeof obj === 'boolean';
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}
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function isFunction(obj) {
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return typeof obj === 'function';
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}
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function isArray(obj) {
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return Array.isArray(obj);
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}
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function isObject(obj) {
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return typeof obj === 'object' && !isArray(obj) && !isNull(obj);
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}
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function isArrayLike(obj) {
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const length = !!obj && obj.length;
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const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0;
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return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat) ? (length > 0 && isObject(obj) ? length - 1 in obj : true) : false;
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}
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function isPlainObject(obj) {
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if (!obj || !isObject(obj) || type(obj) !== 'object') return false;
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let key;
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const cstr = 'constructor';
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const ctor = obj[cstr];
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const ctorProto = ctor && ctor.prototype;
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const hasOwnConstructor = hasOwnProperty.call(obj, cstr);
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const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');
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if (ctor && !hasOwnConstructor && !hasIsPrototypeOf) {
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return false;
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}
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for (key in obj) {
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}
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return isUndefined(key) || hasOwnProperty.call(obj, key);
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}
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function isHTMLElement(obj) {
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const instanceofObj = window.HTMLElement;
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return obj ? (instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType) : false;
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}
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function isElement(obj) {
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const instanceofObj = window.Element;
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return obj ? (instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType) : false;
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}
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function each(source, callback) {
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if (isArrayLike(source)) {
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for (let i = 0; i < source.length; i++) {
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if (callback(source[i], i, source) === false) {
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break;
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}
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}
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} else if (source) {
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each(Object.keys(source), (key) => callback(source[key], key, source));
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}
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return source;
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}
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const indexOf = (arr, item, fromIndex) => arr.indexOf(item, fromIndex);
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const push = (array, items, arrayIsSingleItem) => {
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!arrayIsSingleItem && !isString(items) && isArrayLike(items) ? Array.prototype.push.apply(array, items) : array.push(items);
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return array;
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};
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const from = (arr) => {
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if (Array.from) {
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return Array.from(arr);
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}
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const result = [];
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each(arr, (elm) => {
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push(result, elm);
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});
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return result;
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};
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const isEmptyArray = (array) => array && array.length === 0;
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const runEach = (arr, p1) => {
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const runFn = (fn) => fn && fn(p1);
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if (arr instanceof Set) {
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arr.forEach(runFn);
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} else {
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each(arr, runFn);
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}
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};
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const hasOwnProperty$1 = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);
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const keys = (obj) => (obj ? Object.keys(obj) : []);
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function assignDeep(target, object1, object2, object3, object4, object5, object6) {
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const sources = [object1, object2, object3, object4, object5, object6];
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if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {
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target = {};
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}
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each(sources, (source) => {
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each(keys(source), (key) => {
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const copy = source[key];
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if (target === copy) {
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return true;
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}
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const copyIsArray = isArray(copy);
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if (copy && (isPlainObject(copy) || copyIsArray)) {
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const src = target[key];
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let clone = src;
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if (copyIsArray && !isArray(src)) {
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clone = [];
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} else if (!copyIsArray && !isPlainObject(src)) {
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clone = {};
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}
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target[key] = assignDeep(clone, copy);
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} else {
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target[key] = copy;
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}
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});
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});
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return target;
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}
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function isEmptyObject(obj) {
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for (const name in obj) return false;
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return true;
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}
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function getSetProp(topLeft, fallback, elm, value) {
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if (isUndefined(value)) {
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return elm ? elm[topLeft] : fallback;
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}
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elm && (elm[topLeft] = value);
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}
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function attr(elm, attrName, value) {
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if (isUndefined(value)) {
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return elm ? elm.getAttribute(attrName) : null;
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}
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elm && elm.setAttribute(attrName, value);
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}
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const removeAttr = (elm, attrName) => {
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elm && elm.removeAttribute(attrName);
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};
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function scrollLeft(elm, value) {
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return getSetProp('scrollLeft', 0, elm, value);
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}
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function scrollTop(elm, value) {
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return getSetProp('scrollTop', 0, elm, value);
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}
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const elmPrototype = Element.prototype;
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const find = (selector, elm) => {
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const arr = [];
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const rootElm = elm ? (isElement(elm) ? elm : null) : document;
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return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;
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};
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const findFirst = (selector, elm) => {
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const rootElm = elm ? (isElement(elm) ? elm : null) : document;
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return rootElm ? rootElm.querySelector(selector) : null;
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};
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const is = (elm, selector) => {
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if (isElement(elm)) {
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const fn = elmPrototype.matches || elmPrototype.msMatchesSelector;
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return fn.call(elm, selector);
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}
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return false;
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};
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const contents = (elm) => (elm ? from(elm.childNodes) : []);
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const parent = (elm) => (elm ? elm.parentElement : null);
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const closest = (elm, selector) => {
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if (isElement(elm)) {
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const closestFn = elmPrototype.closest;
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if (closestFn) {
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return closestFn.call(elm, selector);
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}
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do {
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if (is(elm, selector)) {
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return elm;
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}
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elm = parent(elm);
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} while (elm);
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}
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return null;
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};
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const liesBetween = (elm, highBoundarySelector, deepBoundarySelector) => {
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const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);
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const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);
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return closestHighBoundaryElm && closestDeepBoundaryElm
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? closestHighBoundaryElm === elm ||
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closestDeepBoundaryElm === elm ||
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closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm
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: false;
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};
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const before = (parentElm, preferredAnchor, insertedElms) => {
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if (insertedElms) {
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let anchor = preferredAnchor;
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let fragment;
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if (parentElm) {
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if (isArrayLike(insertedElms)) {
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fragment = document.createDocumentFragment();
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each(insertedElms, (insertedElm) => {
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if (insertedElm === anchor) {
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anchor = insertedElm.previousSibling;
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}
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fragment.appendChild(insertedElm);
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});
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} else {
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fragment = insertedElms;
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}
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if (preferredAnchor) {
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if (!anchor) {
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anchor = parentElm.firstChild;
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} else if (anchor !== preferredAnchor) {
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anchor = anchor.nextSibling;
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}
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}
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parentElm.insertBefore(fragment, anchor || null);
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}
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}
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};
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const appendChildren = (node, children) => {
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before(node, null, children);
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};
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const prependChildren = (node, children) => {
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before(node, node && node.firstChild, children);
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};
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const insertBefore = (node, insertedNodes) => {
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before(parent(node), node, insertedNodes);
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};
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const insertAfter = (node, insertedNodes) => {
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before(parent(node), node && node.nextSibling, insertedNodes);
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};
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const removeElements = (nodes) => {
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if (isArrayLike(nodes)) {
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each(from(nodes), (e) => removeElements(e));
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} else if (nodes) {
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const parentElm = parent(nodes);
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if (parentElm) {
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parentElm.removeChild(nodes);
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}
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}
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};
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const createDiv = (classNames) => {
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const div = document.createElement('div');
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if (classNames) {
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attr(div, 'class', classNames);
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}
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return div;
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};
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const createDOM = (html) => {
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const createdDiv = createDiv();
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createdDiv.innerHTML = html.trim();
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return each(contents(createdDiv), (elm) => removeElements(elm));
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};
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const firstLetterToUpper = (str) => str.charAt(0).toUpperCase() + str.slice(1);
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const getDummyStyle = () => createDiv().style;
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const cssPrefixes = ['-webkit-', '-moz-', '-o-', '-ms-'];
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const jsPrefixes = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];
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const jsCache = {};
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const cssCache = {};
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const cssProperty = (name) => {
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let result = cssCache[name];
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if (hasOwnProperty$1(cssCache, name)) {
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return result;
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}
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const uppercasedName = firstLetterToUpper(name);
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const elmStyle = getDummyStyle();
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each(cssPrefixes, (prefix) => {
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const prefixWithoutDashes = prefix.replace(/-/g, '');
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const resultPossibilities = [name, prefix + name, prefixWithoutDashes + uppercasedName, firstLetterToUpper(prefixWithoutDashes) + uppercasedName];
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return !(result = resultPossibilities.find((resultPossibility) => elmStyle[resultPossibility] !== undefined));
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});
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return (cssCache[name] = result || '');
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};
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const jsAPI = (name) => {
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let result = jsCache[name] || window[name];
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if (hasOwnProperty$1(jsCache, name)) {
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return result;
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}
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each(jsPrefixes, (prefix) => {
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result = result || window[prefix + firstLetterToUpper(name)];
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return !result;
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});
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jsCache[name] = result;
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return result;
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};
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const MutationObserverConstructor = jsAPI('MutationObserver');
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const IntersectionObserverConstructor = jsAPI('IntersectionObserver');
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const ResizeObserverConstructor = jsAPI('ResizeObserver');
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const cAF = jsAPI('cancelAnimationFrame');
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const rAF = jsAPI('requestAnimationFrame');
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const rnothtmlwhite = /[^\x20\t\r\n\f]+/g;
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const classListAction = (elm, className, action) => {
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let clazz;
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let i = 0;
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let result = false;
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if (elm && isString(className)) {
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const classes = className.match(rnothtmlwhite) || [];
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result = classes.length > 0;
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while ((clazz = classes[i++])) {
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result = !!action(elm.classList, clazz) && result;
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}
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}
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return result;
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};
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const addClass = (elm, className) => {
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classListAction(elm, className, (classList, clazz) => classList.add(clazz));
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};
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const removeClass = (elm, className) => {
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classListAction(elm, className, (classList, clazz) => classList.remove(clazz));
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};
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const diffClass = (classNameA, classNameB) => {
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const classNameASplit = classNameA && classNameA.split(' ');
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const classNameBSplit = classNameB && classNameB.split(' ');
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const tempObj = {};
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each(classNameASplit, (className) => {
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tempObj[className] = 1;
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});
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each(classNameBSplit, (className) => {
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if (tempObj[className]) {
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delete tempObj[className];
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} else {
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tempObj[className] = 1;
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}
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});
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return keys(tempObj);
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};
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const zeroObj = {
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w: 0,
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h: 0,
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};
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const windowSize = () => ({
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w: window.innerWidth,
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h: window.innerHeight,
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});
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const offsetSize = (elm) =>
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elm
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? {
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w: elm.offsetWidth,
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h: elm.offsetHeight,
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}
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: zeroObj;
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const clientSize = (elm) =>
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elm
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? {
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w: elm.clientWidth,
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h: elm.clientHeight,
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}
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: zeroObj;
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const scrollSize = (elm) =>
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elm
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? {
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w: elm.scrollWidth,
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h: elm.scrollHeight,
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}
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: zeroObj;
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const getBoundingClientRect = (elm) => elm.getBoundingClientRect();
|
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|
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let passiveEventsSupport;
|
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const supportPassiveEvents = () => {
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if (isUndefined(passiveEventsSupport)) {
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passiveEventsSupport = false;
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try {
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window.addEventListener(
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'test',
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null,
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Object.defineProperty({}, 'passive', {
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get: function () {
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passiveEventsSupport = true;
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},
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})
|
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);
|
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} catch (e) {}
|
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}
|
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|
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return passiveEventsSupport;
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};
|
|
|
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const splitEventNames = (eventNames) => eventNames.split(' ');
|
|
|
|
const off = (target, eventNames, listener, capture) => {
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each(splitEventNames(eventNames), (eventName) => {
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target.removeEventListener(eventName, listener, capture);
|
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});
|
|
};
|
|
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
|
|
? {
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passive,
|
|
capture,
|
|
}
|
|
: capture;
|
|
each(splitEventNames(eventNames), (eventName) => {
|
|
const finalListener = once
|
|
? (evt) => {
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|
target.removeEventListener(eventName, finalListener, capture);
|
|
listener && listener(evt);
|
|
}
|
|
: listener;
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|
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 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 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 noop = () => {};
|
|
const debounce = (functionToDebounce, timeout, maxWait) => {
|
|
let timeoutId;
|
|
let lastCallTime;
|
|
const hasTimeout = isNumber(timeout) && timeout > 0;
|
|
const hasMaxWait = isNumber(maxWait) && maxWait > 0;
|
|
const cancel = hasTimeout ? window.clearTimeout : cAF;
|
|
const set = hasTimeout ? window.setTimeout : rAF;
|
|
|
|
const setFn = function setFn(args) {
|
|
lastCallTime = hasMaxWait ? performance.now() : 0;
|
|
timeoutId && cancel(timeoutId);
|
|
functionToDebounce.apply(this, args);
|
|
};
|
|
|
|
return function () {
|
|
const boundSetFn = setFn.bind(this, arguments);
|
|
const forceCall = hasMaxWait ? performance.now() - lastCallTime >= maxWait : false;
|
|
timeoutId && cancel(timeoutId);
|
|
timeoutId = forceCall ? boundSetFn() : set(boundSetFn, timeout);
|
|
};
|
|
};
|
|
|
|
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 } = elm;
|
|
|
|
if (!isUndefined(style[prop])) {
|
|
style[prop] = adaptCSSVal(prop, val);
|
|
} else {
|
|
style.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 = {
|
|
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$1;
|
|
};
|
|
|
|
function createCommonjsModule(fn) {
|
|
var module = { exports: {} };
|
|
return fn(module, module.exports), module.exports;
|
|
}
|
|
|
|
var _extends_1 = createCommonjsModule(function (module) {
|
|
function _extends() {
|
|
module.exports = _extends =
|
|
Object.assign ||
|
|
function (target) {
|
|
for (var i = 1; i < arguments.length; i++) {
|
|
var source = arguments[i];
|
|
|
|
for (var key in source) {
|
|
if (Object.prototype.hasOwnProperty.call(source, key)) {
|
|
target[key] = source[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
return target;
|
|
};
|
|
|
|
return _extends.apply(this, arguments);
|
|
}
|
|
|
|
module.exports = _extends;
|
|
});
|
|
|
|
const { stringify } = JSON;
|
|
const templateTypePrefixSuffix = ['__TPL_', '_TYPE__'];
|
|
const optionsTemplateTypes = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce((result, item) => {
|
|
result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];
|
|
return result;
|
|
}, {});
|
|
|
|
const validateRecursive = (options, template, optionsDiff, doWriteErrors, propPath) => {
|
|
const validatedOptions = {};
|
|
|
|
const optionsCopy = _extends_1({}, options);
|
|
|
|
const props = keys(template).filter((prop) => hasOwnProperty$1(options, prop));
|
|
each(props, (prop) => {
|
|
const optionsDiffValue = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];
|
|
const optionsValue = options[prop];
|
|
const templateValue = template[prop];
|
|
const templateIsComplex = isPlainObject(templateValue);
|
|
const propPrefix = propPath ? `${propPath}.` : '';
|
|
|
|
if (templateIsComplex && isPlainObject(optionsValue)) {
|
|
const validatedResult = validateRecursive(optionsValue, templateValue, optionsDiffValue, doWriteErrors, propPrefix + prop);
|
|
validatedOptions[prop] = validatedResult._validated;
|
|
optionsCopy[prop] = validatedResult._foreign;
|
|
each([optionsCopy, validatedOptions], (value) => {
|
|
if (isEmptyObject(value[prop])) {
|
|
delete value[prop];
|
|
}
|
|
});
|
|
} else if (!templateIsComplex) {
|
|
let isValid = false;
|
|
const errorEnumStrings = [];
|
|
const errorPossibleTypes = [];
|
|
const optionsValueType = type(optionsValue);
|
|
const templateValueArr = !isArray(templateValue) ? [templateValue] : templateValue;
|
|
each(templateValueArr, (currTemplateType) => {
|
|
let typeString;
|
|
each(optionsTemplateTypes, (value, key) => {
|
|
if (value === currTemplateType) {
|
|
typeString = key;
|
|
}
|
|
});
|
|
const isEnumString = isUndefined(typeString);
|
|
|
|
if (isEnumString && isString(optionsValue)) {
|
|
const enumStringSplit = currTemplateType.split(' ');
|
|
isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);
|
|
push(errorEnumStrings, enumStringSplit);
|
|
} else {
|
|
isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;
|
|
}
|
|
|
|
push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString);
|
|
return !isValid;
|
|
});
|
|
|
|
if (isValid) {
|
|
const doStringifyComparison = isArray(optionsValue) || isPlainObject(optionsValue);
|
|
|
|
if (doStringifyComparison ? stringify(optionsValue) !== stringify(optionsDiffValue) : optionsValue !== optionsDiffValue) {
|
|
validatedOptions[prop] = optionsValue;
|
|
}
|
|
} else if (doWriteErrors) {
|
|
console.warn(
|
|
`${
|
|
`The option "${propPrefix}${prop}" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of "${optionsValue}".\r\n` +
|
|
`Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\r\n`
|
|
}${errorEnumStrings.length > 0 ? `\r\nValid strings are: [ ${errorEnumStrings.join(', ')} ].` : ''}`
|
|
);
|
|
}
|
|
|
|
delete optionsCopy[prop];
|
|
}
|
|
});
|
|
return {
|
|
_foreign: optionsCopy,
|
|
_validated: validatedOptions,
|
|
};
|
|
};
|
|
|
|
const validateOptions = (options, template, optionsDiff, doWriteErrors) => {
|
|
return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);
|
|
};
|
|
|
|
const transformOptions = (optionsWithOptionsTemplate) => {
|
|
const result = {
|
|
_template: {},
|
|
_options: {},
|
|
};
|
|
each(keys(optionsWithOptionsTemplate), (key) => {
|
|
const val = optionsWithOptionsTemplate[key];
|
|
|
|
if (isArray(val)) {
|
|
result._template[key] = val[1];
|
|
result._options[key] = val[0];
|
|
} else {
|
|
const tmpResult = transformOptions(val);
|
|
result._template[key] = tmpResult._template;
|
|
result._options[key] = tmpResult._options;
|
|
}
|
|
});
|
|
return result;
|
|
};
|
|
|
|
const classNameEnvironment = 'os-environment';
|
|
const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;
|
|
const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;
|
|
const classNameHost = 'os-host';
|
|
const classNamePadding = 'os-padding';
|
|
const classNameViewport = 'os-viewport';
|
|
const classNameViewportArrange = `${classNameViewport}-arrange`;
|
|
const classNameContent = 'os-content';
|
|
const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;
|
|
const classNameSizeObserver = 'os-size-observer';
|
|
const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;
|
|
const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;
|
|
const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;
|
|
const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;
|
|
const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;
|
|
const classNameTrinsicObserver = 'os-trinsic-observer';
|
|
|
|
const numberAllowedValues = optionsTemplateTypes.number;
|
|
const stringArrayNullAllowedValues = [optionsTemplateTypes.string, optionsTemplateTypes.array, optionsTemplateTypes.null];
|
|
const booleanTrueTemplate = [true, optionsTemplateTypes.boolean];
|
|
const booleanFalseTemplate = [false, optionsTemplateTypes.boolean];
|
|
const resizeAllowedValues = 'none both horizontal vertical';
|
|
const overflowAllowedValues = 'hidden scroll visible visible-hidden';
|
|
const scrollbarsVisibilityAllowedValues = 'visible hidden auto';
|
|
const scrollbarsAutoHideAllowedValues = 'never scroll leavemove';
|
|
const defaultOptionsWithTemplate = {
|
|
resize: ['none', resizeAllowedValues],
|
|
paddingAbsolute: booleanFalseTemplate,
|
|
updating: {
|
|
elementEvents: [[['img', 'load']], [optionsTemplateTypes.array, optionsTemplateTypes.null]],
|
|
contentMutationDebounce: [80, numberAllowedValues],
|
|
hostMutationDebounce: [0, numberAllowedValues],
|
|
resizeDebounce: [0, numberAllowedValues],
|
|
},
|
|
overflow: {
|
|
x: ['scroll', overflowAllowedValues],
|
|
y: ['scroll', overflowAllowedValues],
|
|
},
|
|
scrollbars: {
|
|
visibility: ['auto', scrollbarsVisibilityAllowedValues],
|
|
autoHide: ['never', scrollbarsAutoHideAllowedValues],
|
|
autoHideDelay: [800, numberAllowedValues],
|
|
dragScroll: booleanTrueTemplate,
|
|
clickScroll: booleanFalseTemplate,
|
|
touch: booleanTrueTemplate,
|
|
},
|
|
textarea: {
|
|
dynWidth: booleanFalseTemplate,
|
|
dynHeight: booleanFalseTemplate,
|
|
inheritedAttrs: [['style', 'class'], stringArrayNullAllowedValues],
|
|
},
|
|
nativeScrollbarsOverlaid: {
|
|
show: booleanFalseTemplate,
|
|
initialize: booleanFalseTemplate,
|
|
},
|
|
callbacks: {
|
|
onUpdated: [null, [optionsTemplateTypes.function, optionsTemplateTypes.null]],
|
|
},
|
|
};
|
|
const { _template: optionsTemplate, _options: defaultOptions } = transformOptions(defaultOptionsWithTemplate);
|
|
|
|
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) => {
|
|
appendChildren(body, measureElm);
|
|
const cSize = clientSize(measureElm);
|
|
const oSize = offsetSize(measureElm);
|
|
return {
|
|
x: oSize.h - cSize.h,
|
|
y: oSize.w - cSize.w,
|
|
};
|
|
};
|
|
|
|
const getNativeScrollbarStyling = (testElm) => {
|
|
let result = false;
|
|
addClass(testElm, classNameViewportScrollbarStyling);
|
|
|
|
try {
|
|
result =
|
|
style(testElm, cssProperty('scrollbar-width')) === 'none' ||
|
|
window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';
|
|
} catch (ex) {}
|
|
|
|
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) => {
|
|
addClass(parentElm, classNameEnvironmentFlexboxGlue);
|
|
const minOffsetsizeParent = getBoundingClientRect(parentElm);
|
|
const minOffsetsize = getBoundingClientRect(childElm);
|
|
const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);
|
|
addClass(parentElm, classNameEnvironmentFlexboxGlueMax);
|
|
const maxOffsetsizeParent = getBoundingClientRect(parentElm);
|
|
const maxOffsetsize = getBoundingClientRect(childElm);
|
|
const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);
|
|
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) => ({
|
|
_padding: !nativeScrollbarStyling,
|
|
_content: false,
|
|
});
|
|
|
|
const createEnvironment = () => {
|
|
const { body } = document;
|
|
const envDOM = createDOM(`<div class="${classNameEnvironment}"><div></div></div>`);
|
|
const envElm = envDOM[0];
|
|
const envChildElm = envElm.firstChild;
|
|
const onChangedListener = new Set();
|
|
const nativeScrollbarSize = getNativeScrollbarSize(body, envElm);
|
|
const nativeScrollbarStyling = getNativeScrollbarStyling(envElm);
|
|
const nativeScrollbarIsOverlaid = {
|
|
x: nativeScrollbarSize.x === 0,
|
|
y: nativeScrollbarSize.y === 0,
|
|
};
|
|
const defaultInitializationStrategy = getDefaultInitializationStrategy(nativeScrollbarStyling);
|
|
let initializationStrategy = defaultInitializationStrategy;
|
|
let defaultDefaultOptions = defaultOptions;
|
|
const env = {
|
|
_nativeScrollbarSize: nativeScrollbarSize,
|
|
_nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,
|
|
_nativeScrollbarStyling: nativeScrollbarStyling,
|
|
_cssCustomProperties: style(envElm, 'zIndex') === '-1',
|
|
_rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),
|
|
_flexboxGlue: getFlexboxGlue(envElm, envChildElm),
|
|
|
|
_addListener(listener) {
|
|
onChangedListener.add(listener);
|
|
},
|
|
|
|
_removeListener(listener) {
|
|
onChangedListener.delete(listener);
|
|
},
|
|
|
|
_getInitializationStrategy: () => _extends_1({}, initializationStrategy),
|
|
|
|
_setInitializationStrategy(newInitializationStrategy) {
|
|
initializationStrategy = assignDeep({}, initializationStrategy, newInitializationStrategy);
|
|
},
|
|
|
|
_getDefaultOptions: () => _extends_1({}, defaultDefaultOptions),
|
|
|
|
_setDefaultOptions(newDefaultOptions) {
|
|
defaultDefaultOptions = assignDeep({}, defaultDefaultOptions, newDefaultOptions);
|
|
},
|
|
|
|
_defaultInitializationStrategy: defaultInitializationStrategy,
|
|
_defaultDefaultOptions: defaultDefaultOptions,
|
|
};
|
|
removeAttr(envElm, 'style');
|
|
removeElements(envElm);
|
|
|
|
if (!nativeScrollbarStyling && (!nativeScrollbarIsOverlaid.x || !nativeScrollbarIsOverlaid.y)) {
|
|
let size = windowSize();
|
|
let dpr = getWindowDPR();
|
|
let scrollbarSize = nativeScrollbarSize;
|
|
window.addEventListener('resize', () => {
|
|
if (onChangedListener.size) {
|
|
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 / 100.0))),
|
|
h: abs(round(sizeNew.h / (size.h / 100.0))),
|
|
};
|
|
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 newScrollbarSize = (environmentInstance._nativeScrollbarSize = getNativeScrollbarSize(body, envElm));
|
|
removeElements(envElm);
|
|
|
|
if (scrollbarSize.x !== newScrollbarSize.x || scrollbarSize.y !== newScrollbarSize.y) {
|
|
runEach(onChangedListener);
|
|
}
|
|
|
|
scrollbarSize = newScrollbarSize;
|
|
}
|
|
|
|
size = sizeNew;
|
|
dpr = dprNew;
|
|
}
|
|
});
|
|
}
|
|
|
|
return env;
|
|
};
|
|
|
|
const getEnvironment = () => {
|
|
if (!environmentInstance) {
|
|
environmentInstance = createEnvironment();
|
|
}
|
|
|
|
return environmentInstance;
|
|
};
|
|
|
|
const unwrap = (elm) => {
|
|
appendChildren(parent(elm), contents(elm));
|
|
removeElements(elm);
|
|
};
|
|
|
|
let contentArrangeCounter = 0;
|
|
|
|
const createUniqueViewportArrangeElement = () => {
|
|
const elm = document.createElement('style');
|
|
attr(elm, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);
|
|
contentArrangeCounter++;
|
|
return elm;
|
|
};
|
|
|
|
const evaluateCreationFromStrategy = (initializationValue, strategy) => {
|
|
const isBooleanValue = isBoolean(initializationValue);
|
|
|
|
if (isBooleanValue || isUndefined(initializationValue)) {
|
|
return (isBooleanValue ? initializationValue : strategy) && undefined;
|
|
}
|
|
|
|
return initializationValue;
|
|
};
|
|
|
|
const createStructureSetup = (target) => {
|
|
const { _getInitializationStrategy, _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _cssCustomProperties } = getEnvironment();
|
|
|
|
const { _padding: paddingNeeded, _content: contentNeeded } = _getInitializationStrategy();
|
|
|
|
const targetIsElm = isHTMLElement(target);
|
|
const osTargetObj = targetIsElm
|
|
? {}
|
|
: {
|
|
_host: target.host,
|
|
_target: target.target,
|
|
_viewport: target.viewport,
|
|
_padding: evaluateCreationFromStrategy(target.padding, paddingNeeded),
|
|
_content: evaluateCreationFromStrategy(target.content, contentNeeded),
|
|
};
|
|
|
|
if (targetIsElm) {
|
|
const viewport = createDiv(classNameViewport);
|
|
const padding = paddingNeeded && createDiv(classNamePadding);
|
|
const content = contentNeeded && createDiv(classNameContent);
|
|
osTargetObj._target = target;
|
|
osTargetObj._padding = padding;
|
|
osTargetObj._viewport = viewport;
|
|
osTargetObj._content = content;
|
|
}
|
|
|
|
let { _target, _padding, _viewport, _content } = osTargetObj;
|
|
const destroyFns = [];
|
|
const isTextarea = is(_target, 'textarea');
|
|
const isBody = !isTextarea && is(_target, 'body');
|
|
|
|
const _host = isTextarea ? osTargetObj._host || createDiv() : _target;
|
|
|
|
const getTargetContents = (contentSlot) => (isTextarea ? _target : contents(contentSlot));
|
|
|
|
const isTextareaHostGenerated = isTextarea && _host !== osTargetObj._host;
|
|
|
|
if (isTextareaHostGenerated) {
|
|
insertAfter(_target, _host);
|
|
push(destroyFns, () => {
|
|
insertAfter(_host, _target);
|
|
removeElements(_host);
|
|
});
|
|
}
|
|
|
|
if (targetIsElm) {
|
|
const contentSlot = _content || _viewport;
|
|
appendChildren(contentSlot, getTargetContents(_target));
|
|
appendChildren(_host, _padding);
|
|
appendChildren(_padding || _host, _viewport);
|
|
appendChildren(_viewport, _content);
|
|
push(destroyFns, () => {
|
|
appendChildren(_host, contents(contentSlot));
|
|
removeElements(_padding || _viewport);
|
|
removeClass(_host, classNameHost);
|
|
});
|
|
} else {
|
|
const contentContainingElm = _content || _viewport || _padding || _host;
|
|
const createPadding = isUndefined(_padding);
|
|
const createViewport = isUndefined(_viewport);
|
|
const createContent = isUndefined(_content);
|
|
const targetContents = getTargetContents(contentContainingElm);
|
|
_padding = osTargetObj._padding = createPadding ? createDiv() : _padding;
|
|
_viewport = osTargetObj._viewport = createViewport ? createDiv() : _viewport;
|
|
_content = osTargetObj._content = createContent ? createDiv() : _content;
|
|
appendChildren(_host, _padding);
|
|
appendChildren(_padding || _host, _viewport);
|
|
appendChildren(_viewport, _content);
|
|
const contentSlot = _content || _viewport;
|
|
appendChildren(contentSlot, targetContents);
|
|
push(destroyFns, () => {
|
|
if (createContent) {
|
|
unwrap(_content);
|
|
}
|
|
|
|
if (createViewport) {
|
|
unwrap(_viewport);
|
|
}
|
|
|
|
if (createPadding) {
|
|
unwrap(_padding);
|
|
}
|
|
|
|
removeClass(_host, classNameHost);
|
|
removeClass(_padding, classNamePadding);
|
|
removeClass(_viewport, classNameViewport);
|
|
removeClass(_content, classNameContent);
|
|
});
|
|
}
|
|
|
|
addClass(_host, classNameHost);
|
|
addClass(_padding, classNamePadding);
|
|
addClass(_viewport, classNameViewport);
|
|
addClass(_content, classNameContent);
|
|
const ownerDocument = _target.ownerDocument;
|
|
const bodyElm = ownerDocument.body;
|
|
const wnd = ownerDocument.defaultView;
|
|
const ctx = {
|
|
_windowElm: wnd,
|
|
_documentElm: ownerDocument,
|
|
_htmlElm: parent(bodyElm),
|
|
_bodyElm: bodyElm,
|
|
_isTextarea: isTextarea,
|
|
_isBody: isBody,
|
|
};
|
|
|
|
const obj = _extends_1({}, osTargetObj, {
|
|
_host,
|
|
});
|
|
|
|
if (_nativeScrollbarStyling) {
|
|
push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));
|
|
} else if (!_cssCustomProperties && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y)) {
|
|
const viewportArrangeElm = createUniqueViewportArrangeElement();
|
|
insertBefore(_viewport, viewportArrangeElm);
|
|
push(destroyFns, removeElements.bind(0, viewportArrangeElm));
|
|
obj._viewportArrange = viewportArrangeElm;
|
|
}
|
|
|
|
return {
|
|
_targetObj: obj,
|
|
_targetCtx: ctx,
|
|
_destroy: () => {
|
|
runEach(destroyFns);
|
|
},
|
|
};
|
|
};
|
|
|
|
const createTrinsicLifecycle = (lifecycleHub) => {
|
|
const { _structureSetup } = lifecycleHub;
|
|
const { _content } = _structureSetup._targetObj;
|
|
return (updateHints) => {
|
|
const { _heightIntrinsic } = updateHints;
|
|
const { _value: heightIntrinsic, _changed: heightIntrinsicChanged } = _heightIntrinsic;
|
|
|
|
if (heightIntrinsicChanged) {
|
|
style(_content, {
|
|
height: heightIntrinsic ? '' : '100%',
|
|
display: heightIntrinsic ? '' : 'inline',
|
|
});
|
|
}
|
|
|
|
return {
|
|
_sizeChanged: heightIntrinsicChanged,
|
|
_contentMutation: heightIntrinsicChanged,
|
|
};
|
|
};
|
|
};
|
|
|
|
const createPaddingLifecycle = (lifecycleHub) => {
|
|
const { _structureSetup, _setLifecycleCommunication } = lifecycleHub;
|
|
const { _host, _padding, _viewport } = _structureSetup._targetObj;
|
|
const { _update: updatePaddingCache, _current: currentPaddingCache } = createCache(() => topRightBottomLeft(_host, 'padding'), {
|
|
_equal: equalTRBL,
|
|
_initialValue: topRightBottomLeft(),
|
|
});
|
|
return (updateHints, checkOption, force) => {
|
|
let { _value: padding, _changed: paddingChanged } = currentPaddingCache(force);
|
|
const { _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();
|
|
const { _sizeChanged, _directionIsRTL, _contentMutation } = updateHints;
|
|
const { _value: directionIsRTL, _changed: directionChanged } = _directionIsRTL;
|
|
const { _value: paddingAbsolute, _changed: paddingAbsoluteChanged } = checkOption('paddingAbsolute');
|
|
const contentMutation = !_flexboxGlue && _contentMutation;
|
|
|
|
if (_sizeChanged || paddingChanged || contentMutation) {
|
|
({ _value: padding, _changed: paddingChanged } = updatePaddingCache(force));
|
|
}
|
|
|
|
const paddingStyleChanged = 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);
|
|
|
|
_setLifecycleCommunication({
|
|
_paddingInfo: {
|
|
_absolute: !paddingRelative,
|
|
_padding: padding,
|
|
},
|
|
_viewportPaddingStyle: _padding ? viewportStyle : _extends_1({}, paddingStyle, viewportStyle),
|
|
});
|
|
}
|
|
|
|
return {
|
|
_paddingStyleChanged: paddingStyleChanged,
|
|
};
|
|
};
|
|
};
|
|
|
|
const { max, abs: abs$1, round: round$1 } = Math;
|
|
const overlaidScrollbarsHideOffset = 42;
|
|
const whCacheOptions = {
|
|
_equal: equalWH,
|
|
_initialValue: {
|
|
w: 0,
|
|
h: 0,
|
|
},
|
|
};
|
|
|
|
const sizeFraction = (elm) => {
|
|
const viewportOffsetSize = offsetSize(elm);
|
|
const viewportRect = getBoundingClientRect(elm);
|
|
return {
|
|
w: viewportRect.width - viewportOffsetSize.w,
|
|
h: viewportRect.height - viewportOffsetSize.h,
|
|
};
|
|
};
|
|
|
|
const setAxisOverflowStyle = (horizontal, overflowAmount, behavior, styleObj) => {
|
|
const overflowKey = horizontal ? 'overflowX' : 'overflowY';
|
|
const behaviorIsVisible = behavior.indexOf('visible') === 0;
|
|
const behaviorIsVisibleHidden = behavior === 'visible-hidden';
|
|
const behaviorIsScroll = behavior === 'scroll';
|
|
const hasOverflow = overflowAmount > 0;
|
|
|
|
if (behaviorIsVisible) {
|
|
styleObj[overflowKey] = 'visible';
|
|
}
|
|
|
|
if (behaviorIsScroll && hasOverflow) {
|
|
styleObj[overflowKey] = behavior;
|
|
}
|
|
|
|
return {
|
|
_visible: behaviorIsVisible,
|
|
_behavior: behaviorIsVisibleHidden ? 'hidden' : 'scroll',
|
|
};
|
|
};
|
|
|
|
const createOverflowLifecycle = (lifecycleHub) => {
|
|
const { _structureSetup, _doViewportArrange, _getLifecycleCommunication, _setLifecycleCommunication } = lifecycleHub;
|
|
const { _host, _viewport, _viewportArrange } = _structureSetup._targetObj;
|
|
const { _update: updateViewportSizeFraction, _current: getCurrentViewportSizeFraction } = createCache(
|
|
() => sizeFraction(_viewport),
|
|
whCacheOptions
|
|
);
|
|
const { _update: updateViewportScrollSizeCache, _current: getCurrentViewportScrollSizeCache } = createCache(
|
|
() => scrollSize(_viewport),
|
|
whCacheOptions
|
|
);
|
|
const { _update: updateOverflowAmountCache, _current: getCurrentOverflowAmountCache } = createCache(
|
|
({ _viewportScrollSize, _viewportClientSize, _viewportSizeFraction }) => ({
|
|
w: round$1(max(0, _viewportScrollSize.w - _viewportClientSize.w) - max(0, _viewportSizeFraction.w)),
|
|
h: round$1(max(0, _viewportScrollSize.h - _viewportClientSize.h) - max(0, _viewportSizeFraction.h)),
|
|
}),
|
|
whCacheOptions
|
|
);
|
|
|
|
const fixFlexboxGlue = (viewportOverflowState, heightIntrinsic) => {
|
|
style(_viewport, {
|
|
height: '',
|
|
});
|
|
|
|
if (heightIntrinsic) {
|
|
const { _absolute: paddingAbsolute, _padding: padding } = _getLifecycleCommunication()._paddingInfo;
|
|
|
|
const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;
|
|
const hostSizeFraction = sizeFraction(_host);
|
|
const hostClientSize = clientSize(_host);
|
|
const paddingVertical = paddingAbsolute || style(_viewport, 'boxSizing') === 'content-box' ? padding.b + padding.t : 0;
|
|
const fractionalcleintHeight = hostClientSize.h + (abs$1(hostSizeFraction.h) < 1 ? hostSizeFraction.h : 0);
|
|
style(_viewport, {
|
|
height: fractionalcleintHeight + (_overflowScroll.x ? _scrollbarsHideOffset.x : 0) - paddingVertical,
|
|
});
|
|
}
|
|
};
|
|
|
|
const getViewportOverflowState = (showNativeOverlaidScrollbars, viewportStyleObj) => {
|
|
const { _nativeScrollbarSize, _nativeScrollbarIsOverlaid, _nativeScrollbarStyling } = getEnvironment();
|
|
const { x: overlaidX, y: overlaidY } = _nativeScrollbarIsOverlaid;
|
|
const determineOverflow = !viewportStyleObj;
|
|
const arrangeHideOffset = !_nativeScrollbarStyling && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;
|
|
const styleObj = determineOverflow ? style(_viewport, ['overflowX', 'overflowY']) : viewportStyleObj;
|
|
const scroll = {
|
|
x: styleObj.overflowX === 'scroll',
|
|
y: styleObj.overflowY === 'scroll',
|
|
};
|
|
const scrollbarsHideOffset = {
|
|
x: scroll.x && !_nativeScrollbarStyling ? (overlaidX ? arrangeHideOffset : _nativeScrollbarSize.x) : 0,
|
|
y: scroll.y && !_nativeScrollbarStyling ? (overlaidY ? arrangeHideOffset : _nativeScrollbarSize.y) : 0,
|
|
};
|
|
return {
|
|
_overflowScroll: scroll,
|
|
_scrollbarsHideOffsetArrange: {
|
|
x: overlaidX && !!arrangeHideOffset,
|
|
y: overlaidY && !!arrangeHideOffset,
|
|
},
|
|
_scrollbarsHideOffset: scrollbarsHideOffset,
|
|
};
|
|
};
|
|
|
|
const setViewportOverflowState = (showNativeOverlaidScrollbars, overflowAmount, overflow, viewportStyleObj) => {
|
|
const { _visible: xVisible, _behavior: xVisibleBehavior } = setAxisOverflowStyle(true, overflowAmount.w, overflow.x, viewportStyleObj);
|
|
const { _visible: yVisible, _behavior: yVisibleBehavior } = setAxisOverflowStyle(false, overflowAmount.h, overflow.y, viewportStyleObj);
|
|
|
|
if (xVisible && !yVisible) {
|
|
viewportStyleObj.overflowX = xVisibleBehavior;
|
|
}
|
|
|
|
if (yVisible && !xVisible) {
|
|
viewportStyleObj.overflowY = yVisibleBehavior;
|
|
}
|
|
|
|
return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);
|
|
};
|
|
|
|
const arrangeViewport = (viewportOverflowState, viewportScrollSize, viewportSizeFraction, directionIsRTL) => {
|
|
if (_doViewportArrange) {
|
|
const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;
|
|
const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;
|
|
const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;
|
|
|
|
const { _viewportPaddingStyle: viewportPaddingStyle } = _getLifecycleCommunication();
|
|
|
|
const viewportArrangeHorizontalPaddingKey = directionIsRTL ? 'paddingRight' : 'paddingLeft';
|
|
const viewportArrangeHorizontalPaddingValue = viewportPaddingStyle[viewportArrangeHorizontalPaddingKey];
|
|
const viewportArrangeVerticalPaddingValue = viewportPaddingStyle.paddingTop;
|
|
const fractionalContentWidth = viewportScrollSize.w + (abs$1(viewportSizeFraction.w) < 1 ? viewportSizeFraction.w : 0);
|
|
const fractionalContenHeight = viewportScrollSize.h + (abs$1(viewportSizeFraction.h) < 1 ? viewportSizeFraction.h : 0);
|
|
const arrangeSize = {
|
|
w: hideOffsetY && arrangeY ? `${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 } = _getLifecycleCommunication();
|
|
|
|
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 } = _getLifecycleCommunication();
|
|
|
|
const { _flexboxGlue } = getEnvironment();
|
|
const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;
|
|
const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;
|
|
const finalPaddingStyle = {};
|
|
|
|
const assignProps = (props) =>
|
|
each(props.split(' '), (prop) => {
|
|
finalPaddingStyle[prop] = viewportPaddingStyle[prop];
|
|
});
|
|
|
|
if (!_flexboxGlue) {
|
|
finalPaddingStyle.height = '';
|
|
}
|
|
|
|
if (arrangeX) {
|
|
assignProps('marginBottom paddingTop paddingBottom');
|
|
}
|
|
|
|
if (arrangeY) {
|
|
assignProps('marginLeft marginRight paddingLeft paddingRight');
|
|
}
|
|
|
|
const prevStyle = style(_viewport, keys(finalPaddingStyle));
|
|
removeClass(_viewport, classNameViewportArrange);
|
|
style(_viewport, finalPaddingStyle);
|
|
return {
|
|
_redoViewportArrange: () => {
|
|
hideNativeScrollbars(finalViewportOverflowState, directionIsRTL, _doViewportArrange, prevStyle);
|
|
style(_viewport, prevStyle);
|
|
addClass(_viewport, classNameViewportArrange);
|
|
},
|
|
_viewportOverflowState: finalViewportOverflowState,
|
|
};
|
|
}
|
|
|
|
return {
|
|
_redoViewportArrange: noop,
|
|
};
|
|
};
|
|
|
|
return (updateHints, checkOption, force) => {
|
|
const { _directionIsRTL, _heightIntrinsic, _sizeChanged, _hostMutation, _contentMutation, _paddingStyleChanged } = updateHints;
|
|
const { _flexboxGlue, _nativeScrollbarStyling, _nativeScrollbarIsOverlaid } = getEnvironment();
|
|
const { _value: heightIntrinsic, _changed: heightIntrinsicChanged } = _heightIntrinsic;
|
|
const { _value: directionIsRTL, _changed: directionChanged } = _directionIsRTL;
|
|
const { _value: showNativeOverlaidScrollbarsOption, _changed: showNativeOverlaidScrollbarsChanged } = checkOption(
|
|
'nativeScrollbarsOverlaid.show'
|
|
);
|
|
const showNativeOverlaidScrollbars = showNativeOverlaidScrollbarsOption && _nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y;
|
|
const adjustFlexboxGlue =
|
|
!_flexboxGlue && (_sizeChanged || _contentMutation || _hostMutation || showNativeOverlaidScrollbarsChanged || heightIntrinsicChanged);
|
|
let viewportSizeFractionCache = getCurrentViewportSizeFraction(force);
|
|
let viewportScrollSizeCache = getCurrentViewportScrollSizeCache(force);
|
|
let overflowAmuntCache = getCurrentOverflowAmountCache(force);
|
|
let preMeasureViewportOverflowState;
|
|
|
|
if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarStyling) {
|
|
if (showNativeOverlaidScrollbars) {
|
|
removeClass(_viewport, classNameViewportScrollbarStyling);
|
|
} else {
|
|
addClass(_viewport, classNameViewportScrollbarStyling);
|
|
}
|
|
}
|
|
|
|
if (adjustFlexboxGlue) {
|
|
preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);
|
|
fixFlexboxGlue(preMeasureViewportOverflowState, !!heightIntrinsic);
|
|
}
|
|
|
|
if (_sizeChanged || _paddingStyleChanged || _contentMutation || showNativeOverlaidScrollbarsChanged || directionChanged) {
|
|
const { _redoViewportArrange, _viewportOverflowState: undoViewportArrangeOverflowState } = undoViewportArrange(
|
|
showNativeOverlaidScrollbars,
|
|
directionIsRTL,
|
|
preMeasureViewportOverflowState
|
|
);
|
|
const { _value: _viewportSizeFraction2, _changed: viewportSizeFractionCahnged } = (viewportSizeFractionCache = updateViewportSizeFraction(
|
|
force
|
|
));
|
|
const { _value: _viewportScrollSize2, _changed: _viewportScrollSizeChanged } = (viewportScrollSizeCache = updateViewportScrollSizeCache(force));
|
|
const viewportContentSize = clientSize(_viewport);
|
|
let arrangedViewportScrollSize = _viewportScrollSize2;
|
|
let arrangedViewportClientSize = viewportContentSize;
|
|
|
|
_redoViewportArrange();
|
|
|
|
if (
|
|
(_viewportScrollSizeChanged || viewportSizeFractionCahnged || showNativeOverlaidScrollbarsChanged) &&
|
|
undoViewportArrangeOverflowState &&
|
|
!showNativeOverlaidScrollbars &&
|
|
arrangeViewport(undoViewportArrangeOverflowState, _viewportScrollSize2, _viewportSizeFraction2, directionIsRTL)
|
|
) {
|
|
arrangedViewportClientSize = clientSize(_viewport);
|
|
arrangedViewportScrollSize = scrollSize(_viewport);
|
|
}
|
|
|
|
overflowAmuntCache = updateOverflowAmountCache(force, {
|
|
_viewportSizeFraction: _viewportSizeFraction2,
|
|
_viewportScrollSize: {
|
|
w: max(_viewportScrollSize2.w, arrangedViewportScrollSize.w),
|
|
h: max(_viewportScrollSize2.h, arrangedViewportScrollSize.h),
|
|
},
|
|
_viewportClientSize: {
|
|
w: arrangedViewportClientSize.w + max(0, viewportContentSize.w - _viewportScrollSize2.w),
|
|
h: arrangedViewportClientSize.h + max(0, viewportContentSize.h - _viewportScrollSize2.h),
|
|
},
|
|
});
|
|
}
|
|
|
|
const { _value: viewportSizeFraction, _changed: viewportSizeFractionChanged } = viewportSizeFractionCache;
|
|
const { _value: viewportScrollSize, _changed: viewportScrollSizeChanged } = viewportScrollSizeCache;
|
|
const { _value: overflowAmount, _changed: overflowAmountChanged } = overflowAmuntCache;
|
|
const { _value: overflow, _changed: overflowChanged } = checkOption('overflow');
|
|
|
|
if (
|
|
_paddingStyleChanged ||
|
|
viewportSizeFractionChanged ||
|
|
viewportScrollSizeChanged ||
|
|
overflowAmountChanged ||
|
|
overflowChanged ||
|
|
showNativeOverlaidScrollbarsChanged ||
|
|
directionChanged ||
|
|
adjustFlexboxGlue
|
|
) {
|
|
const viewportStyle = {
|
|
marginRight: 0,
|
|
marginBottom: 0,
|
|
marginLeft: 0,
|
|
width: '',
|
|
overflowY: '',
|
|
overflowX: '',
|
|
};
|
|
const viewportOverflowState = setViewportOverflowState(showNativeOverlaidScrollbars, overflowAmount, overflow, viewportStyle);
|
|
const viewportArranged = arrangeViewport(viewportOverflowState, viewportScrollSize, viewportSizeFraction, directionIsRTL);
|
|
hideNativeScrollbars(viewportOverflowState, directionIsRTL, viewportArranged, viewportStyle);
|
|
|
|
if (adjustFlexboxGlue) {
|
|
fixFlexboxGlue(viewportOverflowState, !!heightIntrinsic);
|
|
}
|
|
|
|
style(_viewport, viewportStyle);
|
|
|
|
_setLifecycleCommunication({
|
|
_viewportOverflowScroll: viewportOverflowState._overflowScroll,
|
|
_viewportOverflowAmount: overflowAmount,
|
|
});
|
|
}
|
|
};
|
|
};
|
|
|
|
const animationStartEventName = 'animationstart';
|
|
const scrollEventName = 'scroll';
|
|
const scrollAmount = 3333333;
|
|
|
|
const directionIsRTL = (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="${classNameSizeObserverListener}"></div></div>`);
|
|
const sizeObserver = baseElements[0];
|
|
const listenerElement = sizeObserver.firstChild;
|
|
const { _update: updateResizeObserverContentRectCache } = createCache(0, {
|
|
_alwaysUpdateValues: true,
|
|
_equal: (currVal, newVal) => !(!currVal || (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))),
|
|
});
|
|
|
|
const onSizeChangedCallbackProxy = (sizeChangedContext) => {
|
|
const hasDirectionCache = sizeChangedContext && isBoolean(sizeChangedContext._value);
|
|
let skip = false;
|
|
|
|
if (isArray(sizeChangedContext) && sizeChangedContext.length > 0) {
|
|
const { _previous, _value, _changed } = updateResizeObserverContentRectCache(0, sizeChangedContext.pop().contentRect);
|
|
skip = !_previous || !domRectHasDimensions(_value);
|
|
} else if (hasDirectionCache) {
|
|
sizeChangedContext._changed;
|
|
}
|
|
|
|
if (observeDirectionChange) {
|
|
const rtl = hasDirectionCache ? sizeChangedContext._value : directionIsRTL(sizeObserver);
|
|
scrollLeft(sizeObserver, rtl ? (rtlScrollBehavior.n ? -scrollAmount : rtlScrollBehavior.i ? 0 : scrollAmount) : scrollAmount);
|
|
scrollTop(sizeObserver, scrollAmount);
|
|
}
|
|
|
|
if (!skip) {
|
|
onSizeChangedCallback(hasDirectionCache ? sizeChangedContext : undefined);
|
|
}
|
|
};
|
|
|
|
const offListeners = [];
|
|
let appearCallback = observeAppearChange ? onSizeChangedCallbackProxy : false;
|
|
let directionIsRTLCache;
|
|
|
|
if (ResizeObserverConstructor) {
|
|
const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);
|
|
resizeObserverInstance.observe(listenerElement);
|
|
push(offListeners, () => resizeObserverInstance.disconnect());
|
|
} else {
|
|
const observerElementChildren = createDOM(
|
|
`<div class="${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(listenerElement);
|
|
let currSize = cacheSize;
|
|
let isDirty = false;
|
|
let rAFId;
|
|
|
|
const reset = () => {
|
|
scrollLeft(expandElement, scrollAmount);
|
|
scrollTop(expandElement, scrollAmount);
|
|
scrollLeft(shrinkElement, scrollAmount);
|
|
scrollTop(shrinkElement, scrollAmount);
|
|
};
|
|
|
|
const onResized = () => {
|
|
rAFId = 0;
|
|
|
|
if (isDirty) {
|
|
cacheSize = currSize;
|
|
onSizeChangedCallbackProxy();
|
|
}
|
|
};
|
|
|
|
const onScroll = (scrollEvent) => {
|
|
currSize = offsetSize(listenerElement);
|
|
isDirty = !scrollEvent || !equalWH(currSize, cacheSize);
|
|
|
|
if (scrollEvent) {
|
|
stopAndPrevent(scrollEvent);
|
|
|
|
if (isDirty && !rAFId) {
|
|
cAF(rAFId);
|
|
rAFId = rAF(onResized);
|
|
}
|
|
} else {
|
|
onResized();
|
|
}
|
|
|
|
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(() => directionIsRTL(sizeObserver));
|
|
const { _update: updateDirectionIsRTLCache } = directionIsRTLCache;
|
|
push(
|
|
offListeners,
|
|
on(sizeObserver, scrollEventName, (event) => {
|
|
const directionIsRTLCacheValues = updateDirectionIsRTLCache();
|
|
const { _value, _changed } = directionIsRTLCacheValues;
|
|
|
|
if (_changed) {
|
|
removeClass(listenerElement, 'ltr rtl');
|
|
|
|
if (_value) {
|
|
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 {
|
|
_destroy() {
|
|
runEach(offListeners);
|
|
removeElements(sizeObserver);
|
|
},
|
|
|
|
_getCurrentCacheValues(force) {
|
|
return {
|
|
_directionIsRTL: directionIsRTLCache
|
|
? directionIsRTLCache._current(force)
|
|
: {
|
|
_value: false,
|
|
_previous: false,
|
|
_changed: false,
|
|
},
|
|
};
|
|
},
|
|
};
|
|
};
|
|
|
|
const createTrinsicObserver = (target, onTrinsicChangedCallback) => {
|
|
const trinsicObserver = createDiv(classNameTrinsicObserver);
|
|
const offListeners = [];
|
|
const { _update: updateHeightIntrinsicCache, _current: getCurrentHeightIntrinsicCache } = createCache(
|
|
(ioEntryOrSize) => ioEntryOrSize.h === 0 || ioEntryOrSize.isIntersecting || ioEntryOrSize.intersectionRatio > 0,
|
|
{
|
|
_initialValue: false,
|
|
}
|
|
);
|
|
|
|
if (IntersectionObserverConstructor) {
|
|
const intersectionObserverInstance = new IntersectionObserverConstructor(
|
|
(entries) => {
|
|
if (entries && entries.length > 0) {
|
|
const last = entries.pop();
|
|
|
|
if (last) {
|
|
const heightIntrinsic = updateHeightIntrinsicCache(0, last);
|
|
|
|
if (heightIntrinsic._changed) {
|
|
onTrinsicChangedCallback(heightIntrinsic);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
{
|
|
root: target,
|
|
}
|
|
);
|
|
intersectionObserverInstance.observe(trinsicObserver);
|
|
push(offListeners, () => intersectionObserverInstance.disconnect());
|
|
} else {
|
|
const onSizeChanged = () => {
|
|
const newSize = offsetSize(trinsicObserver);
|
|
const heightIntrinsicCache = updateHeightIntrinsicCache(0, newSize);
|
|
|
|
if (heightIntrinsicCache._changed) {
|
|
onTrinsicChangedCallback(heightIntrinsicCache);
|
|
}
|
|
};
|
|
|
|
push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged)._destroy);
|
|
onSizeChanged();
|
|
}
|
|
|
|
prependChildren(target, trinsicObserver);
|
|
return {
|
|
_destroy() {
|
|
runEach(offListeners);
|
|
removeElements(trinsicObserver);
|
|
},
|
|
|
|
_getCurrentCacheValues(force) {
|
|
return {
|
|
_heightIntrinsic: getCurrentHeightIntrinsicCache(force),
|
|
};
|
|
},
|
|
};
|
|
};
|
|
|
|
const createEventContentChange = (target, eventContentChange, callback) => {
|
|
let map;
|
|
let eventContentChangeRef;
|
|
|
|
const _destroy = () => {
|
|
if (map) {
|
|
map.forEach((eventName, elm) => off(elm, eventName, callback));
|
|
map.clear();
|
|
}
|
|
};
|
|
|
|
const _updateElements = (getElements) => {
|
|
if (map && eventContentChangeRef) {
|
|
const eventElmList = eventContentChangeRef.reduce((arr, item) => {
|
|
if (item) {
|
|
const selector = item[0];
|
|
const eventNames = item[1];
|
|
const elements = eventNames && selector && (getElements ? getElements(selector) : find(selector, target));
|
|
const parsedEventNames = isFunction(eventNames) ? eventNames(elements) : eventNames;
|
|
|
|
if (elements && elements.length && parsedEventNames && isString(parsedEventNames)) {
|
|
push(arr, [elements, parsedEventNames.trim()], true);
|
|
}
|
|
}
|
|
|
|
return arr;
|
|
}, []);
|
|
each(eventElmList, (item) =>
|
|
each(item[0], (elm) => {
|
|
const eventNames = item[1];
|
|
const registredEventNames = map.get(elm);
|
|
const newEntry = isUndefined(registredEventNames);
|
|
const changingExistingEntry = !newEntry && eventNames !== registredEventNames;
|
|
const finalEventNames = changingExistingEntry ? `${registredEventNames} ${eventNames}` : eventNames;
|
|
|
|
if (changingExistingEntry) {
|
|
off(elm, registredEventNames, callback);
|
|
}
|
|
|
|
map.set(elm, finalEventNames);
|
|
on(elm, finalEventNames, callback);
|
|
})
|
|
);
|
|
}
|
|
};
|
|
|
|
const _updateEventContentChange = (newEventContentChange) => {
|
|
map = map || new Map();
|
|
eventContentChangeRef = newEventContentChange;
|
|
|
|
_destroy();
|
|
|
|
_updateElements();
|
|
};
|
|
|
|
if (eventContentChange) {
|
|
_updateEventContentChange(eventContentChange);
|
|
}
|
|
|
|
return {
|
|
_destroy,
|
|
_updateElements,
|
|
_updateEventContentChange,
|
|
};
|
|
};
|
|
|
|
const createDOMObserver = (target, isContentObserver, callback, options) => {
|
|
let isConnected = false;
|
|
const {
|
|
_attributes,
|
|
_styleChangingAttributes,
|
|
_eventContentChange,
|
|
_nestedTargetSelector,
|
|
_ignoreTargetChange,
|
|
_ignoreNestedTargetChange,
|
|
_ignoreContentChange,
|
|
} = options || {};
|
|
const {
|
|
_destroy: destroyEventContentChange,
|
|
_updateElements: updateEventContentChangeElements,
|
|
_updateEventContentChange: updateEventContentChange,
|
|
} = createEventContentChange(
|
|
target,
|
|
isContentObserver && _eventContentChange,
|
|
debounce(() => {
|
|
if (isConnected) {
|
|
callback(true);
|
|
}
|
|
}, 84)
|
|
);
|
|
const finalAttributes = _attributes || [];
|
|
const finalStyleChangingAttributes = _styleChangingAttributes || [];
|
|
const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);
|
|
|
|
const observerCallback = (mutations) => {
|
|
const ignoreTargetChange = (isContentObserver ? _ignoreNestedTargetChange : _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(contentChanged);
|
|
} 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 {
|
|
_destroy: () => {
|
|
if (isConnected) {
|
|
destroyEventContentChange();
|
|
mutationObserver.disconnect();
|
|
isConnected = false;
|
|
}
|
|
},
|
|
_updateEventContentChange: (newEventContentChange) => {
|
|
updateEventContentChange(isConnected && isContentObserver && newEventContentChange);
|
|
},
|
|
_update: () => {
|
|
if (isConnected) {
|
|
observerCallback(mutationObserver.takeRecords());
|
|
}
|
|
},
|
|
};
|
|
};
|
|
|
|
const getPropByPath = (obj, path) =>
|
|
obj ? path.split('.').reduce((o, prop) => (o && hasOwnProperty$1(o, prop) ? o[prop] : undefined), obj) : undefined;
|
|
|
|
const ignorePrefix = 'os-';
|
|
const hostSelector = `.${classNameHost}`;
|
|
const viewportSelector = `.${classNameViewport}`;
|
|
const contentSelector = `.${classNameContent}`;
|
|
const attrs = ['id', 'class', 'style', 'open'];
|
|
|
|
const ignoreTargetChange = (target, attrName, oldValue, newValue) => {
|
|
if (attrName === 'class' && oldValue && newValue) {
|
|
const diff = diffClass(oldValue, newValue);
|
|
return !!diff.find((addedOrRemovedClass) => addedOrRemovedClass.indexOf(ignorePrefix) !== 0);
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
const directionIsRTLCacheValuesFallback = {
|
|
_value: false,
|
|
_previous: false,
|
|
_changed: false,
|
|
};
|
|
const heightIntrinsicCacheValuesFallback = {
|
|
_value: false,
|
|
_previous: false,
|
|
_changed: false,
|
|
};
|
|
const lifecycleCommunicationFallback = {
|
|
_paddingInfo: {
|
|
_absolute: false,
|
|
_padding: {
|
|
t: 0,
|
|
r: 0,
|
|
b: 0,
|
|
l: 0,
|
|
},
|
|
},
|
|
_viewportOverflowScroll: {
|
|
x: false,
|
|
y: false,
|
|
},
|
|
_viewportOverflowAmount: {
|
|
w: 0,
|
|
h: 0,
|
|
},
|
|
_viewportPaddingStyle: {
|
|
marginRight: 0,
|
|
marginBottom: 0,
|
|
marginLeft: 0,
|
|
paddingTop: 0,
|
|
paddingRight: 0,
|
|
paddingBottom: 0,
|
|
paddingLeft: 0,
|
|
},
|
|
};
|
|
const createLifecycleHub = (options, structureSetup) => {
|
|
let lifecycleCommunication = lifecycleCommunicationFallback;
|
|
const { _host, _viewport, _content } = structureSetup._targetObj;
|
|
const {
|
|
_nativeScrollbarStyling,
|
|
_nativeScrollbarIsOverlaid,
|
|
_flexboxGlue,
|
|
_addListener: addEnvironmentListener,
|
|
_removeListener: removeEnvironmentListener,
|
|
} = getEnvironment();
|
|
const doViewportArrange = !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);
|
|
const instance = {
|
|
_options: options,
|
|
_structureSetup: structureSetup,
|
|
_doViewportArrange: doViewportArrange,
|
|
_getLifecycleCommunication: () => lifecycleCommunication,
|
|
|
|
_setLifecycleCommunication(newLifecycleCommunication) {
|
|
lifecycleCommunication = assignDeep({}, lifecycleCommunication, newLifecycleCommunication);
|
|
},
|
|
};
|
|
const lifecycles = [createTrinsicLifecycle(instance), createPaddingLifecycle(instance), createOverflowLifecycle(instance)];
|
|
|
|
const updateLifecycles = (updateHints, changedOptions, force) => {
|
|
let {
|
|
_directionIsRTL,
|
|
_heightIntrinsic,
|
|
_sizeChanged = force || false,
|
|
_hostMutation = force || false,
|
|
_contentMutation = force || false,
|
|
_paddingStyleChanged = force || false,
|
|
} = updateHints || {};
|
|
const finalDirectionIsRTL =
|
|
_directionIsRTL || (sizeObserver ? sizeObserver._getCurrentCacheValues(force)._directionIsRTL : directionIsRTLCacheValuesFallback);
|
|
const finalHeightIntrinsic =
|
|
_heightIntrinsic || (trinsicObserver ? trinsicObserver._getCurrentCacheValues(force)._heightIntrinsic : heightIntrinsicCacheValuesFallback);
|
|
|
|
const checkOption = (path) => ({
|
|
_value: getPropByPath(options, path),
|
|
_changed: force || getPropByPath(changedOptions, path) !== undefined,
|
|
});
|
|
|
|
const adjustScrollOffset = doViewportArrange || !_flexboxGlue;
|
|
const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);
|
|
const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);
|
|
each(lifecycles, (lifecycle) => {
|
|
const {
|
|
_sizeChanged: adaptiveSizeChanged,
|
|
_hostMutation: adaptiveHostMutation,
|
|
_contentMutation: adaptiveContentMutation,
|
|
_paddingStyleChanged: adaptivePaddingStyleChanged,
|
|
} =
|
|
lifecycle(
|
|
{
|
|
_directionIsRTL: finalDirectionIsRTL,
|
|
_heightIntrinsic: finalHeightIntrinsic,
|
|
_sizeChanged,
|
|
_hostMutation,
|
|
_contentMutation,
|
|
_paddingStyleChanged,
|
|
},
|
|
checkOption,
|
|
!!force
|
|
) || {};
|
|
_sizeChanged = adaptiveSizeChanged || _sizeChanged;
|
|
_hostMutation = adaptiveHostMutation || _hostMutation;
|
|
_contentMutation = adaptiveContentMutation || _contentMutation;
|
|
_paddingStyleChanged = adaptivePaddingStyleChanged || _paddingStyleChanged;
|
|
});
|
|
|
|
if (isNumber(scrollOffsetX)) {
|
|
scrollLeft(_viewport, scrollOffsetX);
|
|
}
|
|
|
|
if (isNumber(scrollOffsetY)) {
|
|
scrollTop(_viewport, scrollOffsetY);
|
|
}
|
|
|
|
if (options.callbacks.onUpdated) {
|
|
options.callbacks.onUpdated();
|
|
}
|
|
};
|
|
|
|
const onSizeChanged = (directionIsRTL) => {
|
|
const sizeChanged = !directionIsRTL;
|
|
updateLifecycles({
|
|
_directionIsRTL: directionIsRTL,
|
|
_sizeChanged: sizeChanged,
|
|
});
|
|
};
|
|
|
|
const onTrinsicChanged = (heightIntrinsic) => {
|
|
updateLifecycles({
|
|
_heightIntrinsic: heightIntrinsic,
|
|
});
|
|
};
|
|
|
|
const onHostMutation = () => {
|
|
requestAnimationFrame(() => {
|
|
updateLifecycles({
|
|
_hostMutation: true,
|
|
});
|
|
});
|
|
};
|
|
|
|
const onContentMutation = () => {
|
|
requestAnimationFrame(() => {
|
|
updateLifecycles({
|
|
_contentMutation: true,
|
|
});
|
|
});
|
|
};
|
|
|
|
const trinsicObserver = (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);
|
|
const sizeObserver = createSizeObserver(_host, onSizeChanged, {
|
|
_appear: true,
|
|
_direction: !_nativeScrollbarStyling,
|
|
});
|
|
const hostMutationObserver = createDOMObserver(_host, false, onHostMutation, {
|
|
_styleChangingAttributes: attrs,
|
|
_attributes: attrs,
|
|
_ignoreTargetChange: ignoreTargetChange,
|
|
});
|
|
const contentMutationObserver = createDOMObserver(_content || _viewport, true, onContentMutation, {
|
|
_styleChangingAttributes: attrs,
|
|
_attributes: attrs,
|
|
_eventContentChange: options.updating.elementEvents,
|
|
_nestedTargetSelector: hostSelector,
|
|
_ignoreContentChange: (mutation, isNestedTarget) => {
|
|
const { target, attributeName } = mutation;
|
|
return isNestedTarget
|
|
? false
|
|
: attributeName
|
|
? liesBetween(target, hostSelector, viewportSelector) || liesBetween(target, hostSelector, contentSelector)
|
|
: false;
|
|
},
|
|
_ignoreNestedTargetChange: ignoreTargetChange,
|
|
});
|
|
|
|
const update = (changedOptions, force) => {
|
|
updateLifecycles(null, changedOptions, force);
|
|
};
|
|
|
|
const envUpdateListener = update.bind(null, null, true);
|
|
addEnvironmentListener(envUpdateListener);
|
|
console.log(getEnvironment());
|
|
return {
|
|
_update: update,
|
|
_state: () => ({
|
|
_overflowAmount: lifecycleCommunication._viewportOverflowAmount,
|
|
}),
|
|
|
|
_destroy() {
|
|
removeEnvironmentListener(envUpdateListener);
|
|
},
|
|
};
|
|
};
|
|
|
|
const OverlayScrollbars = (target, options, extensions) => {
|
|
const { _getDefaultOptions } = getEnvironment();
|
|
const currentOptions = assignDeep({}, _getDefaultOptions(), validateOptions(options || {}, optionsTemplate, null, true)._validated);
|
|
const structureSetup = createStructureSetup(target);
|
|
const lifecycleHub = createLifecycleHub(currentOptions, structureSetup);
|
|
const instance = {
|
|
options(newOptions) {
|
|
if (newOptions) {
|
|
const { _validated: _changedOptions } = validateOptions(newOptions, optionsTemplate, currentOptions, true);
|
|
|
|
if (!isEmptyObject(_changedOptions)) {
|
|
assignDeep(currentOptions, _changedOptions);
|
|
|
|
lifecycleHub._update(_changedOptions);
|
|
}
|
|
}
|
|
|
|
return currentOptions;
|
|
},
|
|
|
|
state: () => lifecycleHub._state(),
|
|
|
|
update(force) {
|
|
lifecycleHub._update(null, force);
|
|
},
|
|
};
|
|
instance.update(true);
|
|
return instance;
|
|
};
|
|
|
|
export default OverlayScrollbars;
|
|
//# sourceMappingURL=overlayscrollbars.esm.js.map
|