mirror of
https://github.com/tenrok/OverlayScrollbars.git
synced 2026-06-20 04:20:37 +03:00
Rene
2465 lines
79 KiB
JavaScript
2465 lines
79 KiB
JavaScript
const createCache = (update, options) => {
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const {
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_initialValue,
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_equal,
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_alwaysUpdateValues
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} = 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 [_value, changed, _previous];
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};
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return [cacheUpdate, force => [_value, !!force, _previous]];
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};
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const ElementNodeType = Node.ELEMENT_NODE;
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const {
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toString,
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hasOwnProperty: hasOwnProperty$1
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} = Object.prototype;
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function isUndefined(obj) {
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return obj === undefined;
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}
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function isNull(obj) {
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return obj === null;
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}
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const type = obj => {
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return isUndefined(obj) || isNull(obj) ? `${obj}` : toString.call(obj).replace(/^\[object (.+)\]$/, '$1').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$1.call(obj, cstr);
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const hasIsPrototypeOf = ctorProto && hasOwnProperty$1.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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return isUndefined(key) || hasOwnProperty$1.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 = (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 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 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(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(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$1 = {
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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 => elm ? {
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w: elm.offsetWidth,
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h: elm.offsetHeight
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} : zeroObj$1;
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const clientSize = elm => elm ? {
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w: elm.clientWidth,
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h: elm.clientHeight
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} : zeroObj$1;
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const scrollSize = elm => elm ? {
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w: elm.scrollWidth,
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h: elm.scrollHeight
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} : zeroObj$1;
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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 (isUndefined(passiveEventsSupport)) {
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passiveEventsSupport = false;
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try {
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window.addEventListener('test', null, 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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} catch (e) {}
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}
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return passiveEventsSupport;
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};
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const splitEventNames = eventNames => eventNames.split(' ');
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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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});
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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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passive,
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capture
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} : capture;
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each(splitEventNames(eventNames), eventName => {
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const finalListener = once ? evt => {
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target.removeEventListener(eventName, finalListener, capture);
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listener && listener(evt);
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} : listener;
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push(offListeners, 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 stopAndPrevent = evt => stopPropagation(evt) || preventDefault(evt);
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const equal = (a, b, props, propMutation) => {
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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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const compareA = propMutation ? propMutation(a[prop]) : a[prop];
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const compareB = propMutation ? propMutation(b[prop]) : b[prop];
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if (compareA !== compareB) {
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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 equalBCRWH = (a, b, round) => equal(a, b, ['width', 'height'], round && (value => Math.round(value)));
|
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|
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const setT = window.setTimeout;
|
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|
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const clearTimeouts = id => {
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id && window.clearTimeout(id);
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id && cAF(id);
|
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};
|
|
|
|
const noop = () => {};
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const debounce = (functionToDebounce, options) => {
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let timeoutId;
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let maxTimeoutId;
|
|
let prevArguments;
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let latestArguments;
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const {
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_timeout,
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_maxDelay,
|
|
_mergeParams
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} = options;
|
|
|
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const invokeFunctionToDebounce = function invokeFunctionToDebounce(args) {
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clearTimeouts(timeoutId);
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clearTimeouts(maxTimeoutId);
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maxTimeoutId = timeoutId = prevArguments = undefined;
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functionToDebounce.apply(this, args);
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};
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|
|
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const mergeParms = curr => _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;
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|
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const flush = () => {
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if (timeoutId) {
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invokeFunctionToDebounce(mergeParms(latestArguments) || latestArguments);
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}
|
|
};
|
|
|
|
const debouncedFn = function debouncedFn() {
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|
const args = arguments;
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|
const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;
|
|
const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;
|
|
|
|
if (hasTimeout) {
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|
const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;
|
|
const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;
|
|
const setTimeoutFn = finalTimeout > 0 ? setT : rAF;
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const mergeParamsResult = mergeParms(args);
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const invokedArgs = mergeParamsResult || args;
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const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);
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|
|
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if (!mergeParamsResult) {
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invokeFunctionToDebounce(prevArguments || args);
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}
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|
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clearTimeouts(timeoutId);
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timeoutId = setTimeoutFn(boundInvoke, finalTimeout);
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|
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if (hasMaxWait && !maxTimeoutId) {
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maxTimeoutId = setT(flush, finalMaxWait);
|
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}
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|
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prevArguments = latestArguments = invokedArgs;
|
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} else {
|
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invokeFunctionToDebounce(args);
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}
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};
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|
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debouncedFn._flush = flush;
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return debouncedFn;
|
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};
|
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|
|
const cssNumber = {
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|
opacity: 1,
|
|
zindex: 1
|
|
};
|
|
|
|
const parseToZeroOrNumber = (value, toFloat) => {
|
|
const num = toFloat ? parseFloat(value) : parseInt(value, 10);
|
|
return Number.isNaN(num) ? 0 : num;
|
|
};
|
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|
|
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 = {
|
|
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;
|
|
};
|
|
|
|
function getDefaultExportFromCjs (x) {
|
|
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
|
|
}
|
|
|
|
var _extends$1 = {exports: {}};
|
|
|
|
(function (module) {
|
|
function _extends() {
|
|
module.exports = _extends = Object.assign ? Object.assign.bind() : 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;
|
|
}, module.exports.__esModule = true, module.exports["default"] = module.exports;
|
|
return _extends.apply(this, arguments);
|
|
}
|
|
|
|
module.exports = _extends, module.exports.__esModule = true, module.exports["default"] = module.exports;
|
|
})(_extends$1);
|
|
|
|
const _extends = getDefaultExportFromCjs(_extends$1.exports);
|
|
|
|
const {
|
|
stringify
|
|
} = JSON;
|
|
const templateTypePrefixSuffix = ['__TPL_', '_TYPE__'];
|
|
const optionsTemplateTypes = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce((result, item) => {
|
|
result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];
|
|
return result;
|
|
}, {});
|
|
|
|
const validateRecursive = (options, template, optionsDiff, doWriteErrors, propPath) => {
|
|
const validatedOptions = {};
|
|
|
|
const optionsCopy = _extends({}, options);
|
|
|
|
const props = keys(template).filter(prop => hasOwnProperty(options, prop));
|
|
each(props, prop => {
|
|
const optionsDiffValue = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];
|
|
const optionsValue = options[prop];
|
|
const templateValue = template[prop];
|
|
const templateIsComplex = isPlainObject(templateValue);
|
|
const propPrefix = propPath ? `${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 = 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 isPrimitiveArr = isArray(optionsValue) && !optionsValue.some(val => !isNumber(val) && !isString(val) && !isBoolean(val));
|
|
const doStringifyComparison = isPrimitiveArr || 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 classNameScrollbar = 'os-scrollbar';
|
|
const classNameScrollbarHorizontal = `${classNameScrollbar}-horizontal`;
|
|
const classNameScrollbarVertical = `${classNameScrollbar}-vertical`;
|
|
const classNameScrollbarTrack = 'os-scrollbar-track';
|
|
const classNameScrollbarHandle = 'os-scrollbar-handle';
|
|
|
|
const numberAllowedValues = optionsTemplateTypes.number;
|
|
const arrayNullValues = [optionsTemplateTypes.array, optionsTemplateTypes.null];
|
|
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']], arrayNullValues],
|
|
attributes: [null, arrayNullValues],
|
|
debounce: [[0, 33], [optionsTemplateTypes.number, optionsTemplateTypes.array, optionsTemplateTypes.null]]
|
|
},
|
|
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: abs$1,
|
|
round: round$1
|
|
} = Math;
|
|
|
|
const diffBiggerThanOne = (valOne, valTwo) => {
|
|
const absValOne = abs$1(valOne);
|
|
const absValTwo = abs$1(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 => ({
|
|
_host: null,
|
|
_viewport: null,
|
|
_padding: null,
|
|
_content: null,
|
|
_scrollbarsSlot: null
|
|
});
|
|
|
|
const createEnvironment = () => {
|
|
const {
|
|
body
|
|
} = document;
|
|
const envDOM = createDOM(`<div class="${classNameEnvironment}"><div></div></div>`);
|
|
const envElm = envDOM[0];
|
|
const envChildElm = envElm.firstChild;
|
|
const 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();
|
|
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({}, initializationStrategy),
|
|
|
|
_setInitializationStrategy(newInitializationStrategy) {
|
|
initializationStrategy = assignDeep({}, initializationStrategy, newInitializationStrategy);
|
|
},
|
|
|
|
_getDefaultOptions: () => _extends({}, 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$1(deltaSize.w),
|
|
h: abs$1(deltaSize.h)
|
|
};
|
|
const deltaAbsRatio = {
|
|
w: abs$1(round$1(sizeNew.w / (size.w / 100.0))),
|
|
h: abs$1(round$1(sizeNew.h / (size.h / 100.0)))
|
|
};
|
|
const dprNew = getWindowDPR();
|
|
const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;
|
|
const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);
|
|
const dprChanged = dprNew !== dpr && dpr > 0;
|
|
const isZoom = deltaIsBigger && difference && dprChanged;
|
|
|
|
if (isZoom) {
|
|
const newScrollbarSize = environmentInstance._nativeScrollbarSize = getNativeScrollbarSize(body, envElm);
|
|
removeElements(envElm);
|
|
|
|
if (scrollbarSize.x !== newScrollbarSize.x || scrollbarSize.y !== newScrollbarSize.y) {
|
|
runEach(onChangedListener);
|
|
}
|
|
|
|
scrollbarSize = newScrollbarSize;
|
|
}
|
|
|
|
size = sizeNew;
|
|
dpr = dprNew;
|
|
}
|
|
});
|
|
}
|
|
|
|
return env;
|
|
};
|
|
|
|
const getEnvironment = () => {
|
|
if (!environmentInstance) {
|
|
environmentInstance = createEnvironment();
|
|
}
|
|
|
|
return environmentInstance;
|
|
};
|
|
|
|
let contentArrangeCounter = 0;
|
|
|
|
const unwrap = elm => {
|
|
appendChildren(parent(elm), contents(elm));
|
|
removeElements(elm);
|
|
};
|
|
|
|
const createUniqueViewportArrangeElement = () => {
|
|
const {
|
|
_nativeScrollbarStyling,
|
|
_nativeScrollbarIsOverlaid,
|
|
_cssCustomProperties
|
|
} = getEnvironment();
|
|
const create = !_cssCustomProperties && !_nativeScrollbarStyling && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y);
|
|
const result = create ? document.createElement('style') : false;
|
|
|
|
if (result) {
|
|
attr(result, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);
|
|
contentArrangeCounter++;
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
const staticCreationFromStrategy = (target, initializationValue, strategy, elementClass) => {
|
|
const result = initializationValue ? initializationValue : isFunction(strategy) ? strategy(target) : strategy;
|
|
return result ? result : createDiv(elementClass);
|
|
};
|
|
|
|
const dynamicCreationFromStrategy = (target, initializationValue, strategy, elementClass, defaultValue) => {
|
|
const takeInitializationValue = isBoolean(initializationValue) || initializationValue;
|
|
const result = takeInitializationValue ? initializationValue : isFunction(strategy) ? strategy(target) : strategy;
|
|
|
|
if (result === null) {
|
|
return defaultValue ? createDiv(elementClass) : false;
|
|
}
|
|
|
|
return result === true ? createDiv(elementClass) : result;
|
|
};
|
|
|
|
const createStructureSetup = target => {
|
|
const {
|
|
_getInitializationStrategy,
|
|
_nativeScrollbarStyling
|
|
} = getEnvironment();
|
|
|
|
const {
|
|
_host: hostInitializationStrategy,
|
|
_viewport: viewportInitializationStrategy,
|
|
_padding: paddingInitializationStrategy,
|
|
_content: contentInitializationStrategy
|
|
} = _getInitializationStrategy();
|
|
|
|
const targetIsElm = isHTMLElement(target);
|
|
const targetStructureInitialization = target;
|
|
const targetElement = targetIsElm ? target : targetStructureInitialization.target;
|
|
const isTextarea = is(targetElement, 'textarea');
|
|
const isBody = !isTextarea && is(targetElement, 'body');
|
|
const ownerDocument = targetElement.ownerDocument;
|
|
const bodyElm = ownerDocument.body;
|
|
const wnd = ownerDocument.defaultView;
|
|
const evaluatedTargetObj = {
|
|
_target: targetElement,
|
|
_host: isTextarea ? staticCreationFromStrategy(targetElement, targetStructureInitialization.host, hostInitializationStrategy, classNameHost) : targetElement,
|
|
_viewport: staticCreationFromStrategy(targetElement, targetStructureInitialization.viewport, viewportInitializationStrategy, classNameViewport),
|
|
_padding: dynamicCreationFromStrategy(targetElement, targetStructureInitialization.padding, paddingInitializationStrategy, classNamePadding, !_nativeScrollbarStyling),
|
|
_content: dynamicCreationFromStrategy(targetElement, targetStructureInitialization.content, contentInitializationStrategy, classNameContent, false),
|
|
_viewportArrange: createUniqueViewportArrangeElement()
|
|
};
|
|
const ctx = {
|
|
_windowElm: wnd,
|
|
_documentElm: ownerDocument,
|
|
_htmlElm: parent(bodyElm),
|
|
_bodyElm: bodyElm,
|
|
_isTextarea: isTextarea,
|
|
_isBody: isBody,
|
|
_targetIsElm: targetIsElm
|
|
};
|
|
const generatedElements = keys(evaluatedTargetObj).reduce((arr, key) => {
|
|
const value = evaluatedTargetObj[key];
|
|
return push(arr, value && !parent(value) ? value : false);
|
|
}, []);
|
|
|
|
const elementIsGenerated = elm => elm ? indexOf(generatedElements, elm) > -1 : null;
|
|
|
|
const {
|
|
_target,
|
|
_host,
|
|
_padding,
|
|
_viewport,
|
|
_content,
|
|
_viewportArrange
|
|
} = evaluatedTargetObj;
|
|
const destroyFns = [];
|
|
const isTextareaHostGenerated = isTextarea && elementIsGenerated(_host);
|
|
const targetContents = isTextarea ? _target : contents([_content, _viewport, _padding, _host, _target].find(elm => elementIsGenerated(elm) === false));
|
|
const contentSlot = _content || _viewport;
|
|
|
|
if (isTextareaHostGenerated) {
|
|
insertAfter(_target, _host);
|
|
push(destroyFns, () => {
|
|
insertAfter(_host, _target);
|
|
removeElements(_host);
|
|
});
|
|
}
|
|
|
|
appendChildren(contentSlot, targetContents);
|
|
appendChildren(_host, _padding);
|
|
appendChildren(_padding || _host, _viewport);
|
|
appendChildren(_viewport, _content);
|
|
addClass(_host, classNameHost);
|
|
addClass(_padding, classNamePadding);
|
|
addClass(_viewport, classNameViewport);
|
|
addClass(_content, classNameContent);
|
|
push(destroyFns, () => {
|
|
if (targetIsElm) {
|
|
appendChildren(_host, contents(contentSlot));
|
|
removeElements(_padding || _viewport);
|
|
removeClass(_host, classNameHost);
|
|
} else {
|
|
if (elementIsGenerated(_content)) {
|
|
unwrap(_content);
|
|
}
|
|
|
|
if (elementIsGenerated(_viewport)) {
|
|
unwrap(_viewport);
|
|
}
|
|
|
|
if (elementIsGenerated(_padding)) {
|
|
unwrap(_padding);
|
|
}
|
|
|
|
removeClass(_host, classNameHost);
|
|
removeClass(_padding, classNamePadding);
|
|
removeClass(_viewport, classNameViewport);
|
|
removeClass(_content, classNameContent);
|
|
}
|
|
});
|
|
|
|
if (_nativeScrollbarStyling) {
|
|
push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));
|
|
}
|
|
|
|
if (_viewportArrange) {
|
|
insertBefore(_viewport, _viewportArrange);
|
|
push(destroyFns, removeElements.bind(0, _viewportArrange));
|
|
}
|
|
|
|
return {
|
|
_targetObj: evaluatedTargetObj,
|
|
_targetCtx: ctx,
|
|
_destroy: () => {
|
|
runEach(destroyFns);
|
|
}
|
|
};
|
|
};
|
|
|
|
const generateScrollbarDOM = scrollbarClassName => {
|
|
const scrollbar = createDiv(`${classNameScrollbar} ${scrollbarClassName}`);
|
|
const track = createDiv(classNameScrollbarTrack);
|
|
const handle = createDiv(classNameScrollbarHandle);
|
|
appendChildren(scrollbar, track);
|
|
appendChildren(track, handle);
|
|
return {
|
|
_scrollbar: scrollbar,
|
|
_track: track,
|
|
_handle: handle
|
|
};
|
|
};
|
|
|
|
const createScrollbarsSetup = (target, structureSetup) => {
|
|
const {
|
|
_getInitializationStrategy
|
|
} = getEnvironment();
|
|
|
|
const {
|
|
_scrollbarsSlot: environmentScrollbarSlot
|
|
} = _getInitializationStrategy();
|
|
|
|
const {
|
|
_targetObj,
|
|
_targetCtx
|
|
} = structureSetup;
|
|
const {
|
|
_target,
|
|
_host,
|
|
_viewport
|
|
} = _targetObj;
|
|
const initializationScrollbarSlot = !_targetCtx._targetIsElm && target.scrollbarsSlot;
|
|
const initializationScrollbarSlotResult = isFunction(initializationScrollbarSlot) ? initializationScrollbarSlot(_target, _host, _viewport) : initializationScrollbarSlot;
|
|
const evaluatedScrollbarSlot = initializationScrollbarSlotResult || (isFunction(environmentScrollbarSlot) ? environmentScrollbarSlot(_target, _host, _viewport) : environmentScrollbarSlot) || _host;
|
|
const horizontalScrollbarStructure = generateScrollbarDOM(classNameScrollbarHorizontal);
|
|
const verticalScrollbarStructure = generateScrollbarDOM(classNameScrollbarVertical);
|
|
const {
|
|
_scrollbar: horizontalScrollbar
|
|
} = horizontalScrollbarStructure;
|
|
const {
|
|
_scrollbar: verticalScrollbar
|
|
} = verticalScrollbarStructure;
|
|
appendChildren(evaluatedScrollbarSlot, horizontalScrollbar);
|
|
appendChildren(evaluatedScrollbarSlot, verticalScrollbar);
|
|
return {
|
|
_horizontalScrollbarStructure: horizontalScrollbarStructure,
|
|
_verticalScrollbarStructure: verticalScrollbarStructure,
|
|
|
|
_destroy() {
|
|
removeElements([horizontalScrollbar, verticalScrollbar]);
|
|
}
|
|
|
|
};
|
|
};
|
|
|
|
const animationStartEventName = 'animationstart';
|
|
const scrollEventName = 'scroll';
|
|
const scrollAmount = 3333333;
|
|
|
|
const getElmDirectionIsRTL = elm => style(elm, 'direction') === 'rtl';
|
|
|
|
const domRectHasDimensions = rect => rect && (rect.height || rect.width);
|
|
|
|
const createSizeObserver = (target, onSizeChangedCallback, options) => {
|
|
const {
|
|
_direction: observeDirectionChange = false,
|
|
_appear: observeAppearChange = false
|
|
} = options || {};
|
|
const {
|
|
_rtlScrollBehavior: rtlScrollBehavior
|
|
} = getEnvironment();
|
|
const baseElements = createDOM(`<div class="${classNameSizeObserver}"><div class="${classNameSizeObserverListener}"></div></div>`);
|
|
const sizeObserver = baseElements[0];
|
|
const listenerElement = sizeObserver.firstChild;
|
|
const getIsDirectionRTL = getElmDirectionIsRTL.bind(0, sizeObserver);
|
|
const [updateResizeObserverContentRectCache] = createCache(0, {
|
|
_initialValue: undefined,
|
|
_alwaysUpdateValues: true,
|
|
_equal: (currVal, newVal) => !(!currVal || !domRectHasDimensions(currVal) && domRectHasDimensions(newVal))
|
|
});
|
|
|
|
const onSizeChangedCallbackProxy = sizeChangedContext => {
|
|
const isResizeObserverCall = isArray(sizeChangedContext) && sizeChangedContext.length > 0 && isObject(sizeChangedContext[0]);
|
|
const hasDirectionCache = !isResizeObserverCall && isBoolean(sizeChangedContext[0]);
|
|
let skip = false;
|
|
let appear = false;
|
|
let doDirectionScroll = true;
|
|
|
|
if (isResizeObserverCall) {
|
|
const [currRContentRect,, prevContentRect] = updateResizeObserverContentRectCache(0, sizeChangedContext.pop().contentRect);
|
|
const hasDimensions = domRectHasDimensions(currRContentRect);
|
|
const hadDimensions = domRectHasDimensions(prevContentRect);
|
|
skip = !prevContentRect || !hasDimensions;
|
|
appear = !hadDimensions && hasDimensions;
|
|
doDirectionScroll = !skip;
|
|
} else if (hasDirectionCache) {
|
|
[, doDirectionScroll] = sizeChangedContext;
|
|
} else {
|
|
appear = sizeChangedContext === true;
|
|
}
|
|
|
|
if (observeDirectionChange && doDirectionScroll) {
|
|
const rtl = hasDirectionCache ? sizeChangedContext[0] : getElmDirectionIsRTL(sizeObserver);
|
|
scrollLeft(sizeObserver, rtl ? rtlScrollBehavior.n ? -scrollAmount : rtlScrollBehavior.i ? 0 : scrollAmount : scrollAmount);
|
|
scrollTop(sizeObserver, scrollAmount);
|
|
}
|
|
|
|
if (!skip) {
|
|
onSizeChangedCallback({
|
|
_sizeChanged: !hasDirectionCache,
|
|
_directionIsRTLCache: hasDirectionCache ? sizeChangedContext : undefined,
|
|
_appear: !!appear
|
|
});
|
|
}
|
|
};
|
|
|
|
const offListeners = [];
|
|
let appearCallback = observeAppearChange ? onSizeChangedCallbackProxy : false;
|
|
let directionIsRTLCache;
|
|
|
|
if (ResizeObserverConstructor) {
|
|
const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);
|
|
resizeObserverInstance.observe(listenerElement);
|
|
push(offListeners, () => {
|
|
resizeObserverInstance.disconnect();
|
|
});
|
|
} else {
|
|
const observerElementChildren = createDOM(`<div class="${classNameSizeObserverListenerItem}" dir="ltr"><div class="${classNameSizeObserverListenerItem}"><div class="${classNameSizeObserverListenerItemFinal}"></div></div><div class="${classNameSizeObserverListenerItem}"><div class="${classNameSizeObserverListenerItemFinal}" style="width: 200%; height: 200%"></div></div></div>`);
|
|
appendChildren(listenerElement, observerElementChildren);
|
|
addClass(listenerElement, classNameSizeObserverListenerScroll);
|
|
const observerElementChildrenRoot = observerElementChildren[0];
|
|
const shrinkElement = observerElementChildrenRoot.lastChild;
|
|
const expandElement = observerElementChildrenRoot.firstChild;
|
|
const expandElementChild = expandElement == null ? void 0 : expandElement.firstChild;
|
|
let cacheSize = offsetSize(observerElementChildrenRoot);
|
|
let currSize = cacheSize;
|
|
let isDirty = false;
|
|
let rAFId;
|
|
|
|
const reset = () => {
|
|
scrollLeft(expandElement, scrollAmount);
|
|
scrollTop(expandElement, scrollAmount);
|
|
scrollLeft(shrinkElement, scrollAmount);
|
|
scrollTop(shrinkElement, scrollAmount);
|
|
};
|
|
|
|
const onResized = appear => {
|
|
rAFId = 0;
|
|
|
|
if (isDirty) {
|
|
cacheSize = currSize;
|
|
onSizeChangedCallbackProxy(appear === true);
|
|
}
|
|
};
|
|
|
|
const onScroll = scrollEvent => {
|
|
currSize = offsetSize(observerElementChildrenRoot);
|
|
isDirty = !scrollEvent || !equalWH(currSize, cacheSize);
|
|
|
|
if (scrollEvent) {
|
|
stopAndPrevent(scrollEvent);
|
|
|
|
if (isDirty && !rAFId) {
|
|
cAF(rAFId);
|
|
rAFId = rAF(onResized);
|
|
}
|
|
} else {
|
|
onResized(scrollEvent === false);
|
|
}
|
|
|
|
reset();
|
|
};
|
|
|
|
push(offListeners, [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]);
|
|
style(expandElementChild, {
|
|
width: scrollAmount,
|
|
height: scrollAmount
|
|
});
|
|
reset();
|
|
appearCallback = observeAppearChange ? onScroll.bind(0, false) : reset;
|
|
}
|
|
|
|
if (observeDirectionChange) {
|
|
directionIsRTLCache = createCache(getIsDirectionRTL, {
|
|
_initialValue: !getIsDirectionRTL()
|
|
});
|
|
const [updateDirectionIsRTLCache] = directionIsRTLCache;
|
|
push(offListeners, on(sizeObserver, scrollEventName, event => {
|
|
const directionIsRTLCacheValues = updateDirectionIsRTLCache();
|
|
const [directionIsRTL, directionIsRTLChanged] = directionIsRTLCacheValues;
|
|
|
|
if (directionIsRTLChanged) {
|
|
removeClass(listenerElement, 'ltr rtl');
|
|
|
|
if (directionIsRTL) {
|
|
addClass(listenerElement, 'rtl');
|
|
} else {
|
|
addClass(listenerElement, 'ltr');
|
|
}
|
|
|
|
onSizeChangedCallbackProxy(directionIsRTLCacheValues);
|
|
}
|
|
|
|
stopAndPrevent(event);
|
|
}));
|
|
}
|
|
|
|
if (appearCallback) {
|
|
addClass(sizeObserver, classNameSizeObserverAppear);
|
|
push(offListeners, on(sizeObserver, animationStartEventName, appearCallback, {
|
|
_once: !!ResizeObserverConstructor
|
|
}));
|
|
}
|
|
|
|
prependChildren(target, sizeObserver);
|
|
return {
|
|
_destroy() {
|
|
runEach(offListeners);
|
|
removeElements(sizeObserver);
|
|
},
|
|
|
|
_getCurrentCacheValues(force) {
|
|
return {
|
|
_directionIsRTL: directionIsRTLCache ? directionIsRTLCache[1](force) : [false, false, false]
|
|
};
|
|
}
|
|
|
|
};
|
|
};
|
|
|
|
const createTrinsicObserver = (target, onTrinsicChangedCallback) => {
|
|
const trinsicObserver = createDiv(classNameTrinsicObserver);
|
|
const offListeners = [];
|
|
const [updateHeightIntrinsicCache, getCurrentHeightIntrinsicCache] = createCache(ioEntryOrSize => ioEntryOrSize.h === 0 || ioEntryOrSize.isIntersecting || ioEntryOrSize.intersectionRatio > 0, {
|
|
_initialValue: false
|
|
});
|
|
|
|
const triggerOnTrinsicChangedCallback = updateValue => {
|
|
if (updateValue) {
|
|
const heightIntrinsic = updateHeightIntrinsicCache(0, updateValue);
|
|
const [, heightIntrinsicChanged] = heightIntrinsic;
|
|
|
|
if (heightIntrinsicChanged) {
|
|
onTrinsicChangedCallback(heightIntrinsic);
|
|
}
|
|
}
|
|
};
|
|
|
|
if (IntersectionObserverConstructor) {
|
|
const intersectionObserverInstance = new IntersectionObserverConstructor(entries => {
|
|
if (entries && entries.length > 0) {
|
|
triggerOnTrinsicChangedCallback(entries.pop());
|
|
}
|
|
}, {
|
|
root: target
|
|
});
|
|
intersectionObserverInstance.observe(trinsicObserver);
|
|
push(offListeners, () => {
|
|
intersectionObserverInstance.disconnect();
|
|
});
|
|
} else {
|
|
const onSizeChanged = () => {
|
|
const newSize = offsetSize(trinsicObserver);
|
|
triggerOnTrinsicChangedCallback(newSize);
|
|
};
|
|
|
|
push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged)._destroy);
|
|
onSizeChanged();
|
|
}
|
|
|
|
prependChildren(target, trinsicObserver);
|
|
return {
|
|
_destroy() {
|
|
runEach(offListeners);
|
|
removeElements(trinsicObserver);
|
|
},
|
|
|
|
_getCurrentCacheValues(force) {
|
|
return {
|
|
_heightIntrinsic: getCurrentHeightIntrinsicCache(force)
|
|
};
|
|
}
|
|
|
|
};
|
|
};
|
|
|
|
const createEventContentChange = (target, callback, eventContentChange) => {
|
|
let map;
|
|
let destroyed = false;
|
|
|
|
const _destroy = () => {
|
|
destroyed = true;
|
|
};
|
|
|
|
const _updateElements = getElements => {
|
|
if (eventContentChange) {
|
|
const eventElmList = eventContentChange.reduce((arr, item) => {
|
|
if (item) {
|
|
const selector = item[0];
|
|
const eventNames = item[1];
|
|
const elements = eventNames && selector && (getElements ? getElements(selector) : find(selector, target));
|
|
|
|
if (elements && elements.length && eventNames && isString(eventNames)) {
|
|
push(arr, [elements, eventNames.trim()], true);
|
|
}
|
|
}
|
|
|
|
return arr;
|
|
}, []);
|
|
each(eventElmList, item => each(item[0], elm => {
|
|
const eventNames = item[1];
|
|
const entry = map.get(elm);
|
|
|
|
if (entry) {
|
|
const entryEventNames = entry[0];
|
|
const entryOff = entry[1];
|
|
|
|
if (entryEventNames === eventNames) {
|
|
entryOff();
|
|
}
|
|
}
|
|
|
|
const off = on(elm, eventNames, event => {
|
|
if (destroyed) {
|
|
off();
|
|
map.delete(elm);
|
|
} else {
|
|
callback(event);
|
|
}
|
|
});
|
|
map.set(elm, [eventNames, off]);
|
|
}));
|
|
}
|
|
};
|
|
|
|
if (eventContentChange) {
|
|
map = new WeakMap();
|
|
|
|
_updateElements();
|
|
}
|
|
|
|
return {
|
|
_destroy,
|
|
_updateElements
|
|
};
|
|
};
|
|
|
|
const createDOMObserver = (target, isContentObserver, callback, options) => {
|
|
let isConnected = false;
|
|
const {
|
|
_attributes,
|
|
_styleChangingAttributes,
|
|
_eventContentChange,
|
|
_nestedTargetSelector,
|
|
_ignoreTargetChange,
|
|
_ignoreNestedTargetChange,
|
|
_ignoreContentChange
|
|
} = options || {};
|
|
const {
|
|
_destroy: destroyEventContentChange,
|
|
_updateElements: updateEventContentChangeElements
|
|
} = createEventContentChange(target, debounce(() => {
|
|
if (isConnected) {
|
|
callback(true);
|
|
}
|
|
}, {
|
|
_timeout: 33,
|
|
_maxDelay: 99
|
|
}), _eventContentChange);
|
|
const finalAttributes = _attributes || [];
|
|
const finalStyleChangingAttributes = _styleChangingAttributes || [];
|
|
const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);
|
|
|
|
const observerCallback = mutations => {
|
|
const ignoreTargetChange = (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(false);
|
|
} else if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {
|
|
callback(targetChangedAttrs, targetStyleChanged);
|
|
}
|
|
};
|
|
|
|
const mutationObserver = new MutationObserverConstructor(observerCallback);
|
|
mutationObserver.observe(target, {
|
|
attributes: true,
|
|
attributeOldValue: true,
|
|
attributeFilter: observedAttributes,
|
|
subtree: isContentObserver,
|
|
childList: isContentObserver,
|
|
characterData: isContentObserver
|
|
});
|
|
isConnected = true;
|
|
return {
|
|
_destroy: () => {
|
|
if (isConnected) {
|
|
destroyEventContentChange();
|
|
mutationObserver.disconnect();
|
|
isConnected = false;
|
|
}
|
|
},
|
|
_update: () => {
|
|
if (isConnected) {
|
|
observerCallback(mutationObserver.takeRecords());
|
|
}
|
|
}
|
|
};
|
|
};
|
|
|
|
const ignorePrefix = 'os-';
|
|
const viewportAttrsFromTarget = ['tabindex'];
|
|
const baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];
|
|
const baseStyleChangingAttrs = ['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 lifecycleHubOservers = (instance, updateLifecycles) => {
|
|
let debounceTimeout;
|
|
let debounceMaxDelay;
|
|
let contentMutationObserver;
|
|
const {
|
|
_structureSetup
|
|
} = instance;
|
|
const {
|
|
_targetObj,
|
|
_targetCtx
|
|
} = _structureSetup;
|
|
const {
|
|
_host,
|
|
_viewport,
|
|
_content
|
|
} = _targetObj;
|
|
const {
|
|
_isTextarea
|
|
} = _targetCtx;
|
|
const {
|
|
_nativeScrollbarStyling,
|
|
_flexboxGlue
|
|
} = getEnvironment();
|
|
const contentMutationObserverAttr = _isTextarea ? baseStyleChangingAttrsTextarea : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);
|
|
const updateLifecyclesWithDebouncedAdaptiveUpdateHints = debounce(updateLifecycles, {
|
|
_timeout: () => debounceTimeout,
|
|
_maxDelay: () => debounceMaxDelay,
|
|
|
|
_mergeParams(prev, curr) {
|
|
const {
|
|
_sizeChanged: prevSizeChanged,
|
|
_hostMutation: prevHostMutation,
|
|
_contentMutation: prevContentMutation
|
|
} = prev[0];
|
|
const {
|
|
_sizeChanged: currSizeChanged,
|
|
_hostMutation: currvHostMutation,
|
|
_contentMutation: currContentMutation
|
|
} = curr[0];
|
|
const merged = [{
|
|
_sizeChanged: prevSizeChanged || currSizeChanged,
|
|
_hostMutation: prevHostMutation || currvHostMutation,
|
|
_contentMutation: prevContentMutation || currContentMutation
|
|
}];
|
|
return merged;
|
|
}
|
|
|
|
});
|
|
|
|
const updateViewportAttrsFromHost = attributes => {
|
|
each(attributes || viewportAttrsFromTarget, attribute => {
|
|
if (indexOf(viewportAttrsFromTarget, attribute) > -1) {
|
|
const hostAttr = attr(_host, attribute);
|
|
|
|
if (isString(hostAttr)) {
|
|
attr(_viewport, attribute, hostAttr);
|
|
} else {
|
|
removeAttr(_viewport, attribute);
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
const onTrinsicChanged = heightIntrinsic => {
|
|
updateLifecycles({
|
|
_heightIntrinsic: heightIntrinsic
|
|
});
|
|
};
|
|
|
|
const onSizeChanged = ({
|
|
_sizeChanged,
|
|
_directionIsRTLCache,
|
|
_appear
|
|
}) => {
|
|
const updateFn = !_sizeChanged || _appear ? updateLifecycles : updateLifecyclesWithDebouncedAdaptiveUpdateHints;
|
|
updateFn({
|
|
_sizeChanged,
|
|
_directionIsRTL: _directionIsRTLCache
|
|
});
|
|
};
|
|
|
|
const onContentMutation = contentChangedTroughEvent => {
|
|
const updateFn = contentChangedTroughEvent ? updateLifecycles : updateLifecyclesWithDebouncedAdaptiveUpdateHints;
|
|
updateFn({
|
|
_contentMutation: true
|
|
});
|
|
};
|
|
|
|
const onHostMutation = (targetChangedAttrs, targetStyleChanged) => {
|
|
if (targetStyleChanged) {
|
|
updateLifecyclesWithDebouncedAdaptiveUpdateHints({
|
|
_hostMutation: true
|
|
});
|
|
} else {
|
|
updateViewportAttrsFromHost(targetChangedAttrs);
|
|
}
|
|
};
|
|
|
|
const trinsicObserver = (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);
|
|
const sizeObserver = createSizeObserver(_host, onSizeChanged, {
|
|
_appear: true,
|
|
_direction: !_nativeScrollbarStyling
|
|
});
|
|
const hostMutationObserver = createDOMObserver(_host, false, onHostMutation, {
|
|
_styleChangingAttributes: baseStyleChangingAttrs,
|
|
_attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),
|
|
_ignoreTargetChange: ignoreTargetChange
|
|
});
|
|
|
|
const updateOptions = checkOption => {
|
|
const [elementEvents, elementEventsChanged] = checkOption('updating.elementEvents');
|
|
const [attributes, attributesChanged] = checkOption('updating.attributes');
|
|
const [debounceValue, debounceChanged] = checkOption('updating.debounce');
|
|
const updateContentMutationObserver = elementEventsChanged || attributesChanged;
|
|
|
|
if (updateContentMutationObserver) {
|
|
if (contentMutationObserver) {
|
|
contentMutationObserver._update();
|
|
|
|
contentMutationObserver._destroy();
|
|
}
|
|
|
|
contentMutationObserver = createDOMObserver(_content || _viewport, true, onContentMutation, {
|
|
_styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),
|
|
_attributes: contentMutationObserverAttr.concat(attributes || []),
|
|
_eventContentChange: elementEvents,
|
|
_ignoreNestedTargetChange: ignoreTargetChange
|
|
});
|
|
}
|
|
|
|
if (debounceChanged) {
|
|
updateLifecyclesWithDebouncedAdaptiveUpdateHints._flush();
|
|
|
|
if (isArray(debounceValue)) {
|
|
const timeout = debounceValue[0];
|
|
const maxWait = debounceValue[1];
|
|
debounceTimeout = isNumber(timeout) ? timeout : false;
|
|
debounceMaxDelay = isNumber(maxWait) ? maxWait : false;
|
|
} else if (isNumber(debounceValue)) {
|
|
debounceTimeout = debounceValue;
|
|
debounceMaxDelay = false;
|
|
} else {
|
|
debounceTimeout = false;
|
|
debounceMaxDelay = false;
|
|
}
|
|
}
|
|
};
|
|
|
|
updateViewportAttrsFromHost();
|
|
return {
|
|
_trinsicObserver: trinsicObserver,
|
|
_sizeObserver: sizeObserver,
|
|
_updateObserverOptions: updateOptions,
|
|
|
|
_destroy() {
|
|
contentMutationObserver && contentMutationObserver._destroy();
|
|
trinsicObserver && trinsicObserver._destroy();
|
|
|
|
sizeObserver._destroy();
|
|
|
|
hostMutationObserver._destroy();
|
|
}
|
|
|
|
};
|
|
};
|
|
|
|
const createTrinsicLifecycle = lifecycleHub => {
|
|
const {
|
|
_structureSetup
|
|
} = lifecycleHub;
|
|
const {
|
|
_content
|
|
} = _structureSetup._targetObj;
|
|
return updateHints => {
|
|
const {
|
|
_heightIntrinsic
|
|
} = updateHints;
|
|
const [heightIntrinsic, 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 [updatePaddingCache, currentPaddingCache] = createCache(topRightBottomLeft.bind(0, _host, 'padding'), {
|
|
_equal: equalTRBL,
|
|
_initialValue: topRightBottomLeft()
|
|
});
|
|
return (updateHints, checkOption, force) => {
|
|
let [padding, paddingChanged] = currentPaddingCache(force);
|
|
const {
|
|
_nativeScrollbarStyling,
|
|
_flexboxGlue
|
|
} = getEnvironment();
|
|
const {
|
|
_sizeChanged,
|
|
_directionIsRTL,
|
|
_contentMutation
|
|
} = updateHints;
|
|
const [directionIsRTL, directionChanged] = _directionIsRTL;
|
|
const [paddingAbsolute, paddingAbsoluteChanged] = checkOption('paddingAbsolute');
|
|
const contentMutation = !_flexboxGlue && _contentMutation;
|
|
|
|
if (_sizeChanged || paddingChanged || contentMutation) {
|
|
[padding, 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({}, paddingStyle, viewportStyle)
|
|
});
|
|
}
|
|
|
|
return {
|
|
_paddingStyleChanged: paddingStyleChanged
|
|
};
|
|
};
|
|
};
|
|
|
|
const {
|
|
max,
|
|
abs,
|
|
round
|
|
} = 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 fractionalPixelRatioTollerance = () => window.devicePixelRatio % 1 === 0 ? 0 : 1;
|
|
|
|
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 [updateViewportSizeFraction, getCurrentViewportSizeFraction] = createCache(sizeFraction.bind(0, _viewport), whCacheOptions);
|
|
const [updateViewportScrollSizeCache, getCurrentViewportScrollSizeCache] = createCache(scrollSize.bind(0, _viewport), whCacheOptions);
|
|
const [updateOverflowAmountCache, getCurrentOverflowAmountCache] = createCache(({
|
|
_viewportScrollSize,
|
|
_viewportClientSize,
|
|
_viewportSizeFraction
|
|
}) => ({
|
|
w: max(0, round(max(0, _viewportScrollSize.w - _viewportClientSize.w) - (fractionalPixelRatioTollerance() || max(0, _viewportSizeFraction.w)))),
|
|
h: max(0, round(max(0, _viewportScrollSize.h - _viewportClientSize.h) - (fractionalPixelRatioTollerance() || max(0, _viewportSizeFraction.h))))
|
|
}), whCacheOptions);
|
|
|
|
const fixFlexboxGlue = (viewportOverflowState, heightIntrinsic) => {
|
|
style(_viewport, {
|
|
height: ''
|
|
});
|
|
|
|
if (heightIntrinsic) {
|
|
const {
|
|
_nativeScrollbarIsOverlaid
|
|
} = getEnvironment();
|
|
|
|
const {
|
|
_absolute: paddingAbsolute,
|
|
_padding: padding
|
|
} = _getLifecycleCommunication()._paddingInfo;
|
|
|
|
const {
|
|
_overflowScroll,
|
|
_scrollbarsHideOffset
|
|
} = viewportOverflowState;
|
|
const hostSizeFraction = sizeFraction(_host);
|
|
const hostClientSize = clientSize(_host);
|
|
const isContentBox = style(_viewport, 'boxSizing') === 'content-box';
|
|
const paddingVertical = paddingAbsolute || isContentBox ? padding.b + padding.t : 0;
|
|
const fractionalClientHeight = hostClientSize.h + (abs(hostSizeFraction.h) < 1 ? hostSizeFraction.h : 0);
|
|
const subtractXScrollbar = !(_nativeScrollbarIsOverlaid.x && isContentBox);
|
|
style(_viewport, {
|
|
height: fractionalClientHeight + (_overflowScroll.x && subtractXScrollbar ? _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(viewportSizeFraction.w) < 1 ? viewportSizeFraction.w : 0);
|
|
const fractionalContenHeight = viewportScrollSize.h + (abs(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 [heightIntrinsic, heightIntrinsicChanged] = _heightIntrinsic;
|
|
const [directionIsRTL, directionChanged] = _directionIsRTL;
|
|
const [showNativeOverlaidScrollbarsOption, 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 [_viewportSizeFraction2, viewportSizeFractionCahnged] = viewportSizeFractionCache = updateViewportSizeFraction(force);
|
|
const [_viewportScrollSize2, _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 [viewportSizeFraction, viewportSizeFractionChanged] = viewportSizeFractionCache;
|
|
const [viewportScrollSize, viewportScrollSizeChanged] = viewportScrollSizeCache;
|
|
const [overflowAmount, overflowAmountChanged] = overflowAmuntCache;
|
|
const [overflow, 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 getPropByPath = (obj, path) => obj ? path.split('.').reduce((o, prop) => o && hasOwnProperty(o, prop) ? o[prop] : undefined, obj) : undefined;
|
|
|
|
const booleanCacheValuesFallback = [false, false, 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, scrollbarsSetup) => {
|
|
let lifecycleCommunication = lifecycleCommunicationFallback;
|
|
const {
|
|
_viewport
|
|
} = 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 : booleanCacheValuesFallback);
|
|
const finalHeightIntrinsic = _heightIntrinsic || (_trinsicObserver ? _trinsicObserver._getCurrentCacheValues(force)._heightIntrinsic : booleanCacheValuesFallback);
|
|
|
|
const checkOption = path => [getPropByPath(options, path), force || getPropByPath(changedOptions, path) !== undefined];
|
|
|
|
const adjustScrollOffset = doViewportArrange || !_flexboxGlue;
|
|
const scrollOffsetX = adjustScrollOffset && scrollLeft(_viewport);
|
|
const scrollOffsetY = adjustScrollOffset && scrollTop(_viewport);
|
|
|
|
if (_updateObserverOptions) {
|
|
_updateObserverOptions(checkOption);
|
|
}
|
|
|
|
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 {
|
|
_sizeObserver,
|
|
_trinsicObserver,
|
|
_updateObserverOptions,
|
|
_destroy: destroyObservers
|
|
} = lifecycleHubOservers(instance, updateLifecycles);
|
|
|
|
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() {
|
|
destroyObservers();
|
|
removeEnvironmentListener(envUpdateListener);
|
|
|
|
structureSetup._destroy();
|
|
|
|
scrollbarsSetup._destroy();
|
|
}
|
|
|
|
};
|
|
};
|
|
|
|
const OverlayScrollbars = (target, options, extensions) => {
|
|
const {
|
|
_getDefaultOptions
|
|
} = getEnvironment();
|
|
const currentOptions = assignDeep({}, _getDefaultOptions(), validateOptions(options || {}, optionsTemplate, null, true)._validated);
|
|
const structureSetup = createStructureSetup(target);
|
|
const scrollbarsSetup = createScrollbarsSetup(target, structureSetup);
|
|
const lifecycleHub = createLifecycleHub(currentOptions, structureSetup, scrollbarsSetup);
|
|
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);
|
|
},
|
|
|
|
destroy: () => lifecycleHub._destroy()
|
|
};
|
|
instance.update(true);
|
|
return instance;
|
|
};
|
|
|
|
export { OverlayScrollbars as default };
|
|
//# sourceMappingURL=overlayscrollbars.esm.js.map
|