mirror of
https://github.com/tenrok/OverlayScrollbars.git
synced 2026-06-19 06:30:36 +03:00
Rene
1252 lines
36 KiB
JavaScript
1252 lines
36 KiB
JavaScript
const type = (obj) => {
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if (obj === undefined) return `${obj}`;
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if (obj === null) return `${obj}`;
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return Object.prototype.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 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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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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return isArray(obj) || (!isFunction(obj) && isNumber(length) && length > -1 && length % 1 == 0);
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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 proto = 'prototype';
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const { hasOwnProperty } = Object[proto];
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const hasOwnConstructor = hasOwnProperty.call(obj, 'constructor');
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const hasIsPrototypeOf = obj.constructor && obj.constructor[proto] && hasOwnProperty.call(obj.constructor[proto], 'isPrototypeOf');
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if (obj.constructor && !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 instaceOfRightHandSide = window.HTMLElement;
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const doInstanceOf = isObject(instaceOfRightHandSide) || isFunction(instaceOfRightHandSide);
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return !!(doInstanceOf ? obj instanceof instaceOfRightHandSide : obj && isObject(obj) && obj.nodeType === 1 && isString(obj.nodeName));
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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 == null ? void 0 : 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 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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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 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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result.push(elm);
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});
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return result;
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};
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const runEach = (arr) => {
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if (arr instanceof Set) {
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arr.forEach((fn) => fn && fn());
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} else {
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each(arr, (fn) => fn && fn());
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}
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};
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const matches = (elm, selector) => {
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if (elm) {
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const fn = Element.prototype.matches || Element.prototype.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 is = (elm, selector) => matches(elm, selector);
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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 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);
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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 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 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 getBoundingClientRect = (elm) => elm.getBoundingClientRect();
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let passiveEventsSupport;
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const supportPassiveEvents = () => {
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if (passiveEventsSupport === undefined) {
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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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return passiveEventsSupport;
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};
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const off = (target, eventNames, listener, capture) => {
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each(eventNames.split(' '), (eventName) => {
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target.removeEventListener(eventName, listener, capture);
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});
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};
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const on = (target, eventNames, listener, options) => {
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const doSupportPassiveEvents = supportPassiveEvents();
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const passive = (doSupportPassiveEvents && options && options._passive) || false;
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const capture = (options && options._capture) || false;
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const once = (options && options._once) || false;
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const offListeners = [];
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const nativeOptions = doSupportPassiveEvents
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? {
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passive,
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capture,
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}
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: capture;
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each(eventNames.split(' '), (eventName) => {
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const finalListener = once
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? (evt) => {
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target.removeEventListener(eventName, finalListener, capture);
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listener && listener(evt);
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}
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: listener;
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offListeners.push(off.bind(null, target, eventName, finalListener, capture));
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target.addEventListener(eventName, finalListener, nativeOptions);
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});
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return runEach.bind(0, offListeners);
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};
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const stopPropagation = (evt) => evt.stopPropagation();
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const preventDefault = (evt) => evt.preventDefault();
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const equal = (a, b, props) => {
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if (a && b) {
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let result = true;
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each(props, (prop) => {
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if (a[prop] !== b[prop]) {
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result = false;
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}
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});
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return result;
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}
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return false;
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};
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const equalWH = (a, b) => equal(a, b, ['w', 'h']);
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const equalTRBL = (a, b) => equal(a, b, ['t', 'r', 'b', 'l']);
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const hasOwnProperty = (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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const cssNumber = {
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animationiterationcount: 1,
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columncount: 1,
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fillopacity: 1,
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flexgrow: 1,
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flexshrink: 1,
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fontweight: 1,
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lineheight: 1,
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opacity: 1,
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order: 1,
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orphans: 1,
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widows: 1,
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zindex: 1,
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zoom: 1,
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};
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const parseToZeroOrNumber = (value, toFloat) => {
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const num = toFloat ? parseFloat(value) : parseInt(value, 10);
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return Number.isNaN(num) ? 0 : num;
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};
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const adaptCSSVal = (prop, val) => (!cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val);
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const getCSSVal = (elm, computedStyle, prop) => (computedStyle != null ? computedStyle.getPropertyValue(prop) : elm.style[prop]);
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const setCSSVal = (elm, prop, val) => {
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try {
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if (elm && elm.style[prop] !== undefined) {
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elm.style[prop] = adaptCSSVal(prop, val);
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}
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} catch (e) {}
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};
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function style(elm, styles) {
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const getSingleStyle = isString(styles);
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const getStyles = isArray(styles) || getSingleStyle;
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if (getStyles) {
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let getStylesResult = getSingleStyle ? '' : {};
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if (elm) {
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const computedStyle = window.getComputedStyle(elm, null);
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getStylesResult = getSingleStyle
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? getCSSVal(elm, computedStyle, styles)
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: styles.reduce((result, key) => {
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result[key] = getCSSVal(elm, computedStyle, key);
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return result;
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}, getStylesResult);
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}
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return getStylesResult;
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}
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each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));
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}
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const topRightBottomLeft = (elm, property) => {
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const finalProp = property || '';
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const top = `${finalProp}-top`;
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const right = `${finalProp}-right`;
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const bottom = `${finalProp}-bottom`;
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const left = `${finalProp}-left`;
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const result = style(elm, [top, right, bottom, left]);
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return {
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t: parseToZeroOrNumber(result[top]),
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r: parseToZeroOrNumber(result[right]),
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b: parseToZeroOrNumber(result[bottom]),
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l: parseToZeroOrNumber(result[left]),
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};
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};
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const zeroObj$1 = {
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x: 0,
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y: 0,
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};
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const absoluteCoordinates = (elm) => {
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const rect = elm ? getBoundingClientRect(elm) : 0;
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return rect
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? {
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x: rect.left + window.pageYOffset,
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y: rect.top + window.pageXOffset,
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}
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: zeroObj$1;
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};
|
|
|
|
function createCache(cacheUpdateInfo, isReference) {
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const cache = {};
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const allProps = keys(cacheUpdateInfo);
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each(allProps, (prop) => {
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cache[prop] = {
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_changed: false,
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_value: isReference ? cacheUpdateInfo[prop] : undefined,
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};
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});
|
|
|
|
const updateCacheProp = (prop, value, equal) => {
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const curr = cache[prop]._value;
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cache[prop]._value = value;
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cache[prop]._previous = curr;
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cache[prop]._changed = equal ? !equal(curr, value) : curr !== value;
|
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};
|
|
|
|
const flush = (props, force) => {
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const result = assignDeep({}, cache, {
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_anythingChanged: false,
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|
});
|
|
each(props, (prop) => {
|
|
const changed = force || cache[prop]._changed;
|
|
result._anythingChanged = result._anythingChanged || changed;
|
|
result[prop]._changed = changed;
|
|
cache[prop]._changed = false;
|
|
});
|
|
return result;
|
|
};
|
|
|
|
return (propsToUpdate, force) => {
|
|
const finalPropsToUpdate = (isString(propsToUpdate) ? [propsToUpdate] : propsToUpdate) || allProps;
|
|
each(finalPropsToUpdate, (prop) => {
|
|
const cacheVal = cache[prop];
|
|
const curr = cacheUpdateInfo[prop];
|
|
const arr = isReference ? false : isArray(curr);
|
|
const value = arr ? curr[0] : curr;
|
|
const equal = arr ? curr[1] : null;
|
|
updateCacheProp(prop, isReference ? value : value(cacheVal._value, cacheVal._previous), equal);
|
|
});
|
|
return flush(finalPropsToUpdate, force);
|
|
};
|
|
}
|
|
|
|
const firstLetterToUpper = (str) => str.charAt(0).toUpperCase() + str.slice(1);
|
|
|
|
const getDummyStyle = () => createDiv().style;
|
|
|
|
const cssPrefixes = ['-webkit-', '-moz-', '-o-', '-ms-'];
|
|
const jsPrefixes = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];
|
|
const jsCache = {};
|
|
const cssCache = {};
|
|
const cssProperty = (name) => {
|
|
let result = cssCache[name];
|
|
|
|
if (hasOwnProperty(cssCache, name)) {
|
|
return result;
|
|
}
|
|
|
|
const uppercasedName = firstLetterToUpper(name);
|
|
const elmStyle = getDummyStyle();
|
|
each(cssPrefixes, (prefix) => {
|
|
const prefixWithoutDashes = prefix.replace(/-/g, '');
|
|
const resultPossibilities = [name, prefix + name, prefixWithoutDashes + uppercasedName, firstLetterToUpper(prefixWithoutDashes) + uppercasedName];
|
|
result = resultPossibilities.find((resultPossibility) => elmStyle[resultPossibility] !== undefined);
|
|
return !result;
|
|
});
|
|
cssCache[name] = result;
|
|
return result;
|
|
};
|
|
const jsAPI = (name) => {
|
|
let result = jsCache[name] || window[name];
|
|
|
|
if (hasOwnProperty(jsCache, name)) {
|
|
return result;
|
|
}
|
|
|
|
each(jsPrefixes, (prefix) => {
|
|
result = result || window[prefix + firstLetterToUpper(name)];
|
|
return !result;
|
|
});
|
|
jsCache[name] = result;
|
|
return result;
|
|
};
|
|
|
|
const resizeObserver = jsAPI('ResizeObserver');
|
|
|
|
function createCommonjsModule(fn, basedir, module) {
|
|
return (
|
|
(module = {
|
|
path: basedir,
|
|
exports: {},
|
|
require: function (path, base) {
|
|
return commonjsRequire(path, base === undefined || base === null ? module.path : base);
|
|
},
|
|
}),
|
|
fn(module, module.exports),
|
|
module.exports
|
|
);
|
|
}
|
|
|
|
function commonjsRequire() {
|
|
throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
|
|
}
|
|
|
|
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(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 = typeString === undefined;
|
|
|
|
if (isEnumString && isString(optionsValue)) {
|
|
const enumStringSplit = currTemplateType.split(' ');
|
|
isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);
|
|
errorEnumStrings.push(...enumStringSplit);
|
|
} else {
|
|
isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;
|
|
}
|
|
|
|
errorPossibleTypes.push(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: [ ${errorEnumStrings.join(', ')} ].` : ''}`
|
|
);
|
|
}
|
|
|
|
delete optionsCopy[prop];
|
|
}
|
|
});
|
|
return {
|
|
_foreign: optionsCopy,
|
|
_validated: validatedOptions,
|
|
};
|
|
};
|
|
|
|
const validateOptions = (options, template, optionsDiff, doWriteErrors) => {
|
|
return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);
|
|
};
|
|
|
|
function transformOptions(optionsWithOptionsTemplate) {
|
|
const result = {
|
|
_template: {},
|
|
_options: {},
|
|
};
|
|
each(keys(optionsWithOptionsTemplate), (key) => {
|
|
const val = optionsWithOptionsTemplate[key];
|
|
|
|
if (isArray(val)) {
|
|
result._template[key] = val[1];
|
|
result._options[key] = val[0];
|
|
} else {
|
|
const tmpResult = transformOptions(val);
|
|
result._template[key] = tmpResult._template;
|
|
result._options[key] = tmpResult._options;
|
|
}
|
|
});
|
|
return result;
|
|
}
|
|
|
|
let environmentInstance;
|
|
const { abs, round } = Math;
|
|
const environmentElmId = 'os-environment';
|
|
const classNameFlexboxGlue = 'flexbox-glue';
|
|
const classNameFlexboxGlueMax = `${classNameFlexboxGlue}-max`;
|
|
|
|
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, 'os-viewport-scrollbar-styled');
|
|
|
|
try {
|
|
result =
|
|
style(testElm, '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, classNameFlexboxGlue);
|
|
const minOffsetsizeParent = offsetSize(parentElm);
|
|
const minOffsetsize = offsetSize(childElm);
|
|
const supportsMin = equalWH(minOffsetsize, minOffsetsizeParent);
|
|
addClass(parentElm, classNameFlexboxGlueMax);
|
|
const maxOffsetsizeParent = offsetSize(parentElm);
|
|
const maxOffsetsize = offsetSize(childElm);
|
|
const supportsMax = equalWH(maxOffsetsize, maxOffsetsizeParent);
|
|
return supportsMin && supportsMax;
|
|
};
|
|
|
|
const getWindowDPR = () => {
|
|
const dDPI = window.screen.deviceXDPI || 0;
|
|
const sDPI = window.screen.logicalXDPI || 1;
|
|
return window.devicePixelRatio || dDPI / sDPI;
|
|
};
|
|
|
|
const diffBiggerThanOne = (valOne, valTwo) => {
|
|
const absValOne = abs(valOne);
|
|
const absValTwo = abs(valTwo);
|
|
return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);
|
|
};
|
|
|
|
const createEnvironment = () => {
|
|
const { body } = document;
|
|
const envDOM = createDOM(`<div id="${environmentElmId}"><div></div></div>`);
|
|
const envElm = envDOM[0];
|
|
const envChildElm = envElm.firstChild;
|
|
const onChangedListener = new Set();
|
|
const nativeScrollBarSize = getNativeScrollbarSize(body, envElm);
|
|
const nativeScrollbarIsOverlaid = {
|
|
x: nativeScrollBarSize.x === 0,
|
|
y: nativeScrollBarSize.y === 0,
|
|
};
|
|
const env = {
|
|
_autoUpdateLoop: false,
|
|
_nativeScrollbarSize: nativeScrollBarSize,
|
|
_nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,
|
|
_nativeScrollbarStyling: getNativeScrollbarStyling(envElm),
|
|
_rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),
|
|
_flexboxGlue: getFlexboxGlue(envElm, envChildElm),
|
|
|
|
_addListener(listener) {
|
|
onChangedListener.add(listener);
|
|
},
|
|
|
|
_removeListener(listener) {
|
|
onChangedListener.delete(listener);
|
|
},
|
|
};
|
|
removeAttr(envElm, 'style');
|
|
removeAttr(envElm, 'class');
|
|
removeElements(envElm);
|
|
|
|
if (!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 createLifecycleBase = (defaultOptionsWithTemplate, cacheUpdateInfo, initialOptions, updateFunction) => {
|
|
const { _template: optionsTemplate, _options: defaultOptions } = transformOptions(defaultOptionsWithTemplate);
|
|
const options = assignDeep({}, defaultOptions, validateOptions(initialOptions || {}, optionsTemplate, null, true)._validated);
|
|
const cacheChange = createCache(cacheUpdateInfo);
|
|
const cacheOptions = createCache(options, true);
|
|
|
|
const update = (hints) => {
|
|
const hasForce = isBoolean(hints._force);
|
|
const force = hints._force === true;
|
|
const changedCache = cacheChange(force ? null : hints._changedCache || (hasForce ? null : []), force);
|
|
const changedOptions = cacheOptions(force ? null : hints._changedOptions, !!hints._changedOptions || force);
|
|
|
|
if (changedOptions._anythingChanged || changedCache._anythingChanged) {
|
|
updateFunction(changedOptions, changedCache);
|
|
}
|
|
};
|
|
|
|
update({
|
|
_force: true,
|
|
});
|
|
return {
|
|
_options(newOptions) {
|
|
if (newOptions) {
|
|
const { _validated: changedOptions } = validateOptions(newOptions, optionsTemplate, options, true);
|
|
assignDeep(options, changedOptions);
|
|
update({
|
|
_changedOptions: keys(changedOptions),
|
|
});
|
|
}
|
|
|
|
return options;
|
|
},
|
|
|
|
_update: (force) => {
|
|
update({
|
|
_force: !!force,
|
|
});
|
|
},
|
|
_updateCache: (cachePropsToUpdate) => {
|
|
update({
|
|
_changedCache: cachePropsToUpdate,
|
|
});
|
|
},
|
|
};
|
|
};
|
|
|
|
const overflowBehaviorAllowedValues = 'visible-hidden visible-scroll scroll hidden';
|
|
const cssMarginEnd = cssProperty('margin-inline-end');
|
|
const cssBorderEnd = cssProperty('border-inline-end');
|
|
const createStructureLifecycle = (target, initialOptions) => {
|
|
const { host, viewport, content } = target;
|
|
const destructFns = [];
|
|
const env = getEnvironment();
|
|
const scrollbarsOverlaid = env._nativeScrollbarIsOverlaid;
|
|
const supportsScrollbarStyling = env._nativeScrollbarStyling;
|
|
const supportFlexboxGlue = env._flexboxGlue;
|
|
const directionObserverObsolete = (cssMarginEnd && cssBorderEnd) || supportsScrollbarStyling || scrollbarsOverlaid.y;
|
|
const { _options, _update, _updateCache } = createLifecycleBase(
|
|
{
|
|
paddingAbsolute: [false, optionsTemplateTypes.boolean],
|
|
overflowBehavior: {
|
|
x: ['scroll', overflowBehaviorAllowedValues],
|
|
y: ['scroll', overflowBehaviorAllowedValues],
|
|
},
|
|
},
|
|
{
|
|
padding: [() => topRightBottomLeft(host, 'padding'), equalTRBL],
|
|
},
|
|
initialOptions,
|
|
(options, cache) => {
|
|
const { _value: paddingAbsolute, _changed: paddingAbsoluteChanged } = options.paddingAbsolute;
|
|
const { _value: padding, _changed: paddingChanged } = cache.padding;
|
|
|
|
if (paddingAbsoluteChanged || paddingChanged) {
|
|
const paddingStyle = {
|
|
t: 0,
|
|
r: 0,
|
|
b: 0,
|
|
l: 0,
|
|
};
|
|
|
|
if (!paddingAbsolute) {
|
|
paddingStyle.t = -padding.t;
|
|
paddingStyle.r = -(padding.r + padding.l);
|
|
paddingStyle.b = -(padding.b + padding.t);
|
|
paddingStyle.l = -padding.l;
|
|
}
|
|
|
|
if (!supportsScrollbarStyling) {
|
|
paddingStyle.r -= env._nativeScrollbarSize.y;
|
|
paddingStyle.b -= env._nativeScrollbarSize.x;
|
|
}
|
|
|
|
style(viewport, {
|
|
top: paddingStyle.t,
|
|
left: paddingStyle.l,
|
|
'margin-right': paddingStyle.r,
|
|
'margin-bottom': paddingStyle.b,
|
|
});
|
|
}
|
|
|
|
console.log(options);
|
|
console.log(cache);
|
|
}
|
|
);
|
|
|
|
const onSizeChanged = () => {
|
|
_updateCache('padding');
|
|
};
|
|
|
|
const onTrinsicChanged = (widthIntrinsic, heightIntrinsic) => {
|
|
if (heightIntrinsic) {
|
|
style(content, {
|
|
height: 'auto',
|
|
});
|
|
} else {
|
|
style(content, {
|
|
height: '100%',
|
|
});
|
|
}
|
|
};
|
|
|
|
return {
|
|
_options,
|
|
_update,
|
|
_onSizeChanged: onSizeChanged,
|
|
_onTrinsicChanged: onTrinsicChanged,
|
|
|
|
_destruct() {
|
|
runEach(destructFns);
|
|
},
|
|
};
|
|
};
|
|
|
|
const animationStartEventName = 'animationstart';
|
|
const scrollEventName = 'scroll';
|
|
const scrollAmount = 3333333;
|
|
const ResizeObserverConstructor = jsAPI('ResizeObserver');
|
|
const classNameSizeObserver = 'os-size-observer';
|
|
const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;
|
|
const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;
|
|
const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;
|
|
const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;
|
|
const cAF = cancelAnimationFrame;
|
|
const rAF = requestAnimationFrame;
|
|
|
|
const getDirection = (elm) => style(elm, 'direction');
|
|
|
|
const createSizeObserver = (target, onSizeChangedCallback, options) => {
|
|
const { _direction: direction = false, _appear: appear = false } = options || {};
|
|
|
|
const rtlScrollBehavior = getEnvironment()._rtlScrollBehavior;
|
|
|
|
const baseElements = createDOM(`<div class="${classNameSizeObserver}"><div class="${classNameSizeObserverListener}"></div></div>`);
|
|
const sizeObserver = baseElements[0];
|
|
const listenerElement = sizeObserver.firstChild;
|
|
|
|
const onSizeChangedCallbackProxy = (dir) => {
|
|
if (direction) {
|
|
const rtl = getDirection(sizeObserver) === 'rtl';
|
|
scrollLeft(sizeObserver, rtl ? (rtlScrollBehavior.n ? -scrollAmount : rtlScrollBehavior.i ? 0 : scrollAmount) : scrollAmount);
|
|
scrollTop(sizeObserver, scrollAmount);
|
|
}
|
|
|
|
onSizeChangedCallback(isString(dir) ? dir : undefined);
|
|
};
|
|
|
|
const offListeners = [];
|
|
let appearCallback = appear ? onSizeChangedCallbackProxy : null;
|
|
|
|
if (ResizeObserverConstructor) {
|
|
const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);
|
|
resizeObserverInstance.observe(listenerElement);
|
|
offListeners.push(() => resizeObserverInstance.disconnect());
|
|
} else {
|
|
const observerElementChildren = createDOM(
|
|
`<div class="${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);
|
|
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 = function onResized() {
|
|
rAFId = 0;
|
|
|
|
if (!isDirty) {
|
|
return;
|
|
}
|
|
|
|
cacheSize = currSize;
|
|
onSizeChangedCallbackProxy();
|
|
};
|
|
|
|
const onScroll = (scrollEvent) => {
|
|
currSize = offsetSize(listenerElement);
|
|
isDirty = !scrollEvent || !equalWH(currSize, cacheSize);
|
|
|
|
if (scrollEvent && isDirty && !rAFId) {
|
|
cAF(rAFId);
|
|
rAFId = rAF(onResized);
|
|
} else if (!scrollEvent) {
|
|
onResized();
|
|
}
|
|
|
|
reset();
|
|
|
|
if (scrollEvent) {
|
|
preventDefault(scrollEvent);
|
|
stopPropagation(scrollEvent);
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
offListeners.push(on(expandElement, scrollEventName, onScroll));
|
|
offListeners.push(on(shrinkElement, scrollEventName, onScroll));
|
|
style(expandElementChild, {
|
|
width: scrollAmount,
|
|
height: scrollAmount,
|
|
});
|
|
reset();
|
|
appearCallback = appear ? () => onScroll() : reset;
|
|
}
|
|
|
|
if (direction) {
|
|
let dirCache;
|
|
offListeners.push(
|
|
on(sizeObserver, scrollEventName, (event) => {
|
|
const dir = getDirection(sizeObserver);
|
|
const changed = dir !== dirCache;
|
|
|
|
if (changed) {
|
|
if (dir === 'rtl') {
|
|
style(listenerElement, {
|
|
left: 'auto',
|
|
right: 0,
|
|
});
|
|
} else {
|
|
style(listenerElement, {
|
|
left: 0,
|
|
right: 'auto',
|
|
});
|
|
}
|
|
|
|
dirCache = dir;
|
|
onSizeChangedCallbackProxy(dir);
|
|
}
|
|
|
|
preventDefault(event);
|
|
stopPropagation(event);
|
|
return false;
|
|
})
|
|
);
|
|
}
|
|
|
|
if (appearCallback) {
|
|
addClass(sizeObserver, classNameSizeObserverAppear);
|
|
offListeners.push(on(sizeObserver, animationStartEventName, appearCallback));
|
|
}
|
|
|
|
prependChildren(target, sizeObserver);
|
|
return () => {
|
|
runEach(offListeners);
|
|
removeElements(sizeObserver);
|
|
};
|
|
};
|
|
|
|
const classNameTrinsicObserver = 'os-trinsic-observer';
|
|
const IntersectionObserverConstructor = jsAPI('IntersectionObserver');
|
|
const createTrinsicObserver = (target, onTrinsicChangedCallback) => {
|
|
const trinsicObserver = createDOM(`<div class="${classNameTrinsicObserver}"></div>`)[0];
|
|
const offListeners = [];
|
|
let heightIntrinsic = false;
|
|
|
|
if (IntersectionObserverConstructor) {
|
|
const intersectionObserverInstance = new IntersectionObserverConstructor(
|
|
(entries) => {
|
|
if (entries && entries.length > 0) {
|
|
const last = entries.pop();
|
|
|
|
if (last) {
|
|
const newHeightIntrinsic = last.isIntersecting || last.intersectionRatio > 0;
|
|
|
|
if (newHeightIntrinsic !== heightIntrinsic) {
|
|
onTrinsicChangedCallback(false, newHeightIntrinsic);
|
|
heightIntrinsic = newHeightIntrinsic;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
{
|
|
root: target,
|
|
}
|
|
);
|
|
intersectionObserverInstance.observe(trinsicObserver);
|
|
offListeners.push(() => intersectionObserverInstance.disconnect());
|
|
} else {
|
|
offListeners.push(
|
|
createSizeObserver(trinsicObserver, () => {
|
|
const newSize = offsetSize(trinsicObserver);
|
|
const newHeightIntrinsic = newSize.h === 0;
|
|
|
|
if (newHeightIntrinsic !== heightIntrinsic) {
|
|
onTrinsicChangedCallback(false, newHeightIntrinsic);
|
|
heightIntrinsic = newHeightIntrinsic;
|
|
}
|
|
})
|
|
);
|
|
}
|
|
|
|
prependChildren(target, trinsicObserver);
|
|
return () => {
|
|
runEach(offListeners);
|
|
removeElements(trinsicObserver);
|
|
};
|
|
};
|
|
|
|
const classNameHost = 'os-host';
|
|
const classNameViewport = 'os-viewport';
|
|
const classNameContent = 'os-content';
|
|
|
|
const normalizeTarget = (target) => {
|
|
if (isHTMLElement(target)) {
|
|
const isTextarea = is(target, 'textarea');
|
|
|
|
const _host = isTextarea ? createDiv() : target;
|
|
|
|
const _viewport = createDiv(classNameViewport);
|
|
|
|
const _content = createDiv(classNameContent);
|
|
|
|
appendChildren(_viewport, _content);
|
|
appendChildren(_content, contents(target));
|
|
appendChildren(target, _viewport);
|
|
addClass(_host, classNameHost);
|
|
return {
|
|
target,
|
|
host: _host,
|
|
viewport: _viewport,
|
|
content: _content,
|
|
};
|
|
}
|
|
|
|
const { host, viewport, content } = target;
|
|
addClass(host, classNameHost);
|
|
addClass(viewport, classNameViewport);
|
|
addClass(content, classNameContent);
|
|
return target;
|
|
};
|
|
|
|
const OverlayScrollbars = (target, options, extensions) => {
|
|
const osTarget = normalizeTarget(target);
|
|
const lifecycles = [];
|
|
const { host } = osTarget;
|
|
lifecycles.push(createStructureLifecycle(osTarget));
|
|
|
|
const onSizeChanged = (direction) => {
|
|
if (direction) {
|
|
each(lifecycles, (lifecycle) => {
|
|
lifecycle._onDirectionChanged && lifecycle._onDirectionChanged(direction);
|
|
});
|
|
} else {
|
|
each(lifecycles, (lifecycle) => {
|
|
lifecycle._onSizeChanged && lifecycle._onSizeChanged();
|
|
});
|
|
}
|
|
};
|
|
|
|
const onTrinsicChanged = (widthIntrinsic, heightIntrinsic) => {
|
|
each(lifecycles, (lifecycle) => {
|
|
lifecycle._onTrinsicChanged && lifecycle._onTrinsicChanged(widthIntrinsic, heightIntrinsic);
|
|
});
|
|
};
|
|
|
|
createSizeObserver(host, onSizeChanged, {
|
|
_appear: true,
|
|
_direction: true,
|
|
});
|
|
createTrinsicObserver(host, onTrinsicChanged);
|
|
};
|
|
|
|
var index = () => {
|
|
return [
|
|
getEnvironment(),
|
|
OverlayScrollbars(document.body),
|
|
createDOM(
|
|
'\
|
|
<div class="os-host">\
|
|
<div class="os-resize-observer-host"></div>\
|
|
<div class="os-padding">\
|
|
<div class="os-viewport">\
|
|
<div class="os-content">\
|
|
fdfhdfgh\
|
|
</div>\
|
|
</div>\
|
|
</div>\
|
|
<div class="os-scrollbar os-scrollbar-horizontal">\
|
|
<div class="os-scrollbar-track">\
|
|
<div class="os-scrollbar-handle"></div>\
|
|
</div>\
|
|
</div>\
|
|
<div class="os-scrollbar os-scrollbar-vertical">\
|
|
<div class="os-scrollbar-track">\
|
|
<div class="os-scrollbar-handle"></div>\
|
|
</div>\
|
|
</div>\
|
|
<div class="os-scrollbar-corner"></div>\
|
|
</div>'
|
|
),
|
|
];
|
|
};
|
|
|
|
export default index;
|
|
//# sourceMappingURL=overlayscrollbars.esm.js.map
|