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Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/ls-narendraram/public_html/wp-includes/js/dist/priority-queue.js |
/******/ (() => { // webpackBootstrap
/******/ var __webpack_modules__ = ({
/***/ 5033:
/***/ ((module, exports, __webpack_require__) => {
var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;(function (factory) {
if (true) {
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
} else {}
}(function(){
'use strict';
var scheduleStart, throttleDelay, lazytimer, lazyraf;
var root = typeof window != 'undefined' ?
window :
typeof __webpack_require__.g != undefined ?
__webpack_require__.g :
this || {};
var requestAnimationFrame = root.cancelRequestAnimationFrame && root.requestAnimationFrame || setTimeout;
var cancelRequestAnimationFrame = root.cancelRequestAnimationFrame || clearTimeout;
var tasks = [];
var runAttempts = 0;
var isRunning = false;
var remainingTime = 7;
var minThrottle = 35;
var throttle = 125;
var index = 0;
var taskStart = 0;
var tasklength = 0;
var IdleDeadline = {
get didTimeout(){
return false;
},
timeRemaining: function(){
var timeRemaining = remainingTime - (Date.now() - taskStart);
return timeRemaining < 0 ? 0 : timeRemaining;
},
};
var setInactive = debounce(function(){
remainingTime = 22;
throttle = 66;
minThrottle = 0;
});
function debounce(fn){
var id, timestamp;
var wait = 99;
var check = function(){
var last = (Date.now()) - timestamp;
if (last < wait) {
id = setTimeout(check, wait - last);
} else {
id = null;
fn();
}
};
return function(){
timestamp = Date.now();
if(!id){
id = setTimeout(check, wait);
}
};
}
function abortRunning(){
if(isRunning){
if(lazyraf){
cancelRequestAnimationFrame(lazyraf);
}
if(lazytimer){
clearTimeout(lazytimer);
}
isRunning = false;
}
}
function onInputorMutation(){
if(throttle != 125){
remainingTime = 7;
throttle = 125;
minThrottle = 35;
if(isRunning) {
abortRunning();
scheduleLazy();
}
}
setInactive();
}
function scheduleAfterRaf() {
lazyraf = null;
lazytimer = setTimeout(runTasks, 0);
}
function scheduleRaf(){
lazytimer = null;
requestAnimationFrame(scheduleAfterRaf);
}
function scheduleLazy(){
if(isRunning){return;}
throttleDelay = throttle - (Date.now() - taskStart);
scheduleStart = Date.now();
isRunning = true;
if(minThrottle && throttleDelay < minThrottle){
throttleDelay = minThrottle;
}
if(throttleDelay > 9){
lazytimer = setTimeout(scheduleRaf, throttleDelay);
} else {
throttleDelay = 0;
scheduleRaf();
}
}
function runTasks(){
var task, i, len;
var timeThreshold = remainingTime > 9 ?
9 :
1
;
taskStart = Date.now();
isRunning = false;
lazytimer = null;
if(runAttempts > 2 || taskStart - throttleDelay - 50 < scheduleStart){
for(i = 0, len = tasks.length; i < len && IdleDeadline.timeRemaining() > timeThreshold; i++){
task = tasks.shift();
tasklength++;
if(task){
task(IdleDeadline);
}
}
}
if(tasks.length){
scheduleLazy();
} else {
runAttempts = 0;
}
}
function requestIdleCallbackShim(task){
index++;
tasks.push(task);
scheduleLazy();
return index;
}
function cancelIdleCallbackShim(id){
var index = id - 1 - tasklength;
if(tasks[index]){
tasks[index] = null;
}
}
if(!root.requestIdleCallback || !root.cancelIdleCallback){
root.requestIdleCallback = requestIdleCallbackShim;
root.cancelIdleCallback = cancelIdleCallbackShim;
if(root.document && document.addEventListener){
root.addEventListener('scroll', onInputorMutation, true);
root.addEventListener('resize', onInputorMutation);
document.addEventListener('focus', onInputorMutation, true);
document.addEventListener('mouseover', onInputorMutation, true);
['click', 'keypress', 'touchstart', 'mousedown'].forEach(function(name){
document.addEventListener(name, onInputorMutation, {capture: true, passive: true});
});
if(root.MutationObserver){
new MutationObserver( onInputorMutation ).observe( document.documentElement, {childList: true, subtree: true, attributes: true} );
}
}
} else {
try{
root.requestIdleCallback(function(){}, {timeout: 0});
} catch(e){
(function(rIC){
var timeRemainingProto, timeRemaining;
root.requestIdleCallback = function(fn, timeout){
if(timeout && typeof timeout.timeout == 'number'){
return rIC(fn, timeout.timeout);
}
return rIC(fn);
};
if(root.IdleCallbackDeadline && (timeRemainingProto = IdleCallbackDeadline.prototype)){
timeRemaining = Object.getOwnPropertyDescriptor(timeRemainingProto, 'timeRemaining');
if(!timeRemaining || !timeRemaining.configurable || !timeRemaining.get){return;}
Object.defineProperty(timeRemainingProto, 'timeRemaining', {
value: function(){
return timeRemaining.get.call(this);
},
enumerable: true,
configurable: true,
});
}
})(root.requestIdleCallback)
}
}
return {
request: requestIdleCallbackShim,
cancel: cancelIdleCallbackShim,
};
}));
/***/ })
/******/ });
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/global */
/******/ (() => {
/******/ __webpack_require__.g = (function() {
/******/ if (typeof globalThis === 'object') return globalThis;
/******/ try {
/******/ return this || new Function('return this')();
/******/ } catch (e) {
/******/ if (typeof window === 'object') return window;
/******/ }
/******/ })();
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
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/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // define __esModule on exports
/******/ __webpack_require__.r = (exports) => {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
createQueue: () => (/* binding */ createQueue)
});
// EXTERNAL MODULE: ./node_modules/requestidlecallback/index.js
var requestidlecallback = __webpack_require__(5033);
;// CONCATENATED MODULE: ./node_modules/@wordpress/priority-queue/build-module/request-idle-callback.js
/**
* External dependencies
*/
/**
* @typedef {( timeOrDeadline: IdleDeadline | number ) => void} Callback
*/
/**
* @return {(callback: Callback) => void} RequestIdleCallback
*/
function createRequestIdleCallback() {
if (typeof window === 'undefined') {
return callback => {
setTimeout(() => callback(Date.now()), 0);
};
}
return window.requestIdleCallback;
}
/* harmony default export */ const request_idle_callback = (createRequestIdleCallback());
;// CONCATENATED MODULE: ./node_modules/@wordpress/priority-queue/build-module/index.js
/**
* Internal dependencies
*/
/**
* Enqueued callback to invoke once idle time permits.
*
* @typedef {()=>void} WPPriorityQueueCallback
*/
/**
* An object used to associate callbacks in a particular context grouping.
*
* @typedef {{}} WPPriorityQueueContext
*/
/**
* Function to add callback to priority queue.
*
* @typedef {(element:WPPriorityQueueContext,item:WPPriorityQueueCallback)=>void} WPPriorityQueueAdd
*/
/**
* Function to flush callbacks from priority queue.
*
* @typedef {(element:WPPriorityQueueContext)=>boolean} WPPriorityQueueFlush
*/
/**
* Reset the queue.
*
* @typedef {()=>void} WPPriorityQueueReset
*/
/**
* Priority queue instance.
*
* @typedef {Object} WPPriorityQueue
*
* @property {WPPriorityQueueAdd} add Add callback to queue for context.
* @property {WPPriorityQueueFlush} flush Flush queue for context.
* @property {WPPriorityQueueFlush} cancel Clear queue for context.
* @property {WPPriorityQueueReset} reset Reset queue.
*/
/**
* Creates a context-aware queue that only executes
* the last task of a given context.
*
* @example
*```js
* import { createQueue } from '@wordpress/priority-queue';
*
* const queue = createQueue();
*
* // Context objects.
* const ctx1 = {};
* const ctx2 = {};
*
* // For a given context in the queue, only the last callback is executed.
* queue.add( ctx1, () => console.log( 'This will be printed first' ) );
* queue.add( ctx2, () => console.log( 'This won\'t be printed' ) );
* queue.add( ctx2, () => console.log( 'This will be printed second' ) );
*```
*
* @return {WPPriorityQueue} Queue object with `add`, `flush` and `reset` methods.
*/
const createQueue = () => {
/** @type {Map<WPPriorityQueueContext, WPPriorityQueueCallback>} */
const waitingList = new Map();
let isRunning = false;
/**
* Callback to process as much queue as time permits.
*
* Map Iteration follows the original insertion order. This means that here
* we can iterate the queue and know that the first contexts which were
* added will be run first. On the other hand, if anyone adds a new callback
* for an existing context it will supplant the previously-set callback for
* that context because we reassigned that map key's value.
*
* In the case that a callback adds a new callback to its own context then
* the callback it adds will appear at the end of the iteration and will be
* run only after all other existing contexts have finished executing.
*
* @param {IdleDeadline|number} deadline Idle callback deadline object, or
* animation frame timestamp.
*/
const runWaitingList = deadline => {
for (const [nextElement, callback] of waitingList) {
waitingList.delete(nextElement);
callback();
if ('number' === typeof deadline || deadline.timeRemaining() <= 0) {
break;
}
}
if (waitingList.size === 0) {
isRunning = false;
return;
}
request_idle_callback(runWaitingList);
};
/**
* Add a callback to the queue for a given context.
*
* If errors with undefined callbacks are encountered double check that
* all of your useSelect calls have the right dependencies set correctly
* in their second parameter. Missing dependencies can cause unexpected
* loops and race conditions in the queue.
*
* @type {WPPriorityQueueAdd}
*
* @param {WPPriorityQueueContext} element Context object.
* @param {WPPriorityQueueCallback} item Callback function.
*/
const add = (element, item) => {
waitingList.set(element, item);
if (!isRunning) {
isRunning = true;
request_idle_callback(runWaitingList);
}
};
/**
* Flushes queue for a given context, returning true if the flush was
* performed, or false if there is no queue for the given context.
*
* @type {WPPriorityQueueFlush}
*
* @param {WPPriorityQueueContext} element Context object.
*
* @return {boolean} Whether flush was performed.
*/
const flush = element => {
const callback = waitingList.get(element);
if (undefined === callback) {
return false;
}
waitingList.delete(element);
callback();
return true;
};
/**
* Clears the queue for a given context, cancelling the callbacks without
* executing them. Returns `true` if there were scheduled callbacks to cancel,
* or `false` if there was is no queue for the given context.
*
* @type {WPPriorityQueueFlush}
*
* @param {WPPriorityQueueContext} element Context object.
*
* @return {boolean} Whether any callbacks got cancelled.
*/
const cancel = element => {
return waitingList.delete(element);
};
/**
* Reset the queue without running the pending callbacks.
*
* @type {WPPriorityQueueReset}
*/
const reset = () => {
waitingList.clear();
isRunning = false;
};
return {
add,
flush,
cancel,
reset
};
};
})();
(window.wp = window.wp || {}).priorityQueue = __webpack_exports__;
/******/ })()
;