Merged in feature/from-pantheon (pull request #16)
code from pantheon * code from pantheon
This commit is contained in:
Tony Volpe
509
wp/wp-includes/js/dist/priority-queue.js
vendored
Normal file
509
wp/wp-includes/js/dist/priority-queue.js
vendored
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@@ -0,0 +1,509 @@
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/******/ (function() { // webpackBootstrap
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/******/ var __webpack_modules__ = ({
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/***/ 3159:
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/***/ (function(module, exports, __webpack_require__) {
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var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;(function (factory) {
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if (true) {
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!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
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__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
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(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
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__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
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} else {}
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}(function(){
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'use strict';
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var scheduleStart, throttleDelay, lazytimer, lazyraf;
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var root = typeof window != 'undefined' ?
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window :
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typeof __webpack_require__.g != undefined ?
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__webpack_require__.g :
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this || {};
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var requestAnimationFrame = root.cancelRequestAnimationFrame && root.requestAnimationFrame || setTimeout;
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var cancelRequestAnimationFrame = root.cancelRequestAnimationFrame || clearTimeout;
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var tasks = [];
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var runAttempts = 0;
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var isRunning = false;
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var remainingTime = 7;
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var minThrottle = 35;
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var throttle = 125;
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var index = 0;
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var taskStart = 0;
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var tasklength = 0;
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var IdleDeadline = {
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get didTimeout(){
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return false;
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},
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timeRemaining: function(){
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var timeRemaining = remainingTime - (Date.now() - taskStart);
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return timeRemaining < 0 ? 0 : timeRemaining;
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},
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};
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var setInactive = debounce(function(){
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remainingTime = 22;
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throttle = 66;
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minThrottle = 0;
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});
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function debounce(fn){
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var id, timestamp;
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var wait = 99;
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var check = function(){
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var last = (Date.now()) - timestamp;
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if (last < wait) {
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id = setTimeout(check, wait - last);
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} else {
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id = null;
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fn();
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}
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};
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return function(){
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timestamp = Date.now();
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if(!id){
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id = setTimeout(check, wait);
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}
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};
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}
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function abortRunning(){
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if(isRunning){
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if(lazyraf){
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cancelRequestAnimationFrame(lazyraf);
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}
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if(lazytimer){
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clearTimeout(lazytimer);
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}
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isRunning = false;
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}
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}
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function onInputorMutation(){
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if(throttle != 125){
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remainingTime = 7;
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throttle = 125;
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minThrottle = 35;
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if(isRunning) {
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abortRunning();
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scheduleLazy();
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}
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}
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setInactive();
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}
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function scheduleAfterRaf() {
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lazyraf = null;
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lazytimer = setTimeout(runTasks, 0);
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}
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function scheduleRaf(){
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lazytimer = null;
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requestAnimationFrame(scheduleAfterRaf);
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}
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function scheduleLazy(){
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if(isRunning){return;}
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throttleDelay = throttle - (Date.now() - taskStart);
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scheduleStart = Date.now();
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isRunning = true;
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if(minThrottle && throttleDelay < minThrottle){
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throttleDelay = minThrottle;
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}
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if(throttleDelay > 9){
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lazytimer = setTimeout(scheduleRaf, throttleDelay);
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} else {
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throttleDelay = 0;
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scheduleRaf();
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}
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}
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function runTasks(){
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var task, i, len;
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var timeThreshold = remainingTime > 9 ?
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9 :
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1
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;
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taskStart = Date.now();
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isRunning = false;
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lazytimer = null;
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if(runAttempts > 2 || taskStart - throttleDelay - 50 < scheduleStart){
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for(i = 0, len = tasks.length; i < len && IdleDeadline.timeRemaining() > timeThreshold; i++){
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task = tasks.shift();
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tasklength++;
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if(task){
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task(IdleDeadline);
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}
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}
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}
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if(tasks.length){
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scheduleLazy();
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} else {
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runAttempts = 0;
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}
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}
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function requestIdleCallbackShim(task){
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index++;
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tasks.push(task);
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scheduleLazy();
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return index;
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}
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function cancelIdleCallbackShim(id){
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var index = id - 1 - tasklength;
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if(tasks[index]){
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tasks[index] = null;
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}
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}
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if(!root.requestIdleCallback || !root.cancelIdleCallback){
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root.requestIdleCallback = requestIdleCallbackShim;
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root.cancelIdleCallback = cancelIdleCallbackShim;
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if(root.document && document.addEventListener){
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root.addEventListener('scroll', onInputorMutation, true);
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root.addEventListener('resize', onInputorMutation);
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document.addEventListener('focus', onInputorMutation, true);
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document.addEventListener('mouseover', onInputorMutation, true);
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['click', 'keypress', 'touchstart', 'mousedown'].forEach(function(name){
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document.addEventListener(name, onInputorMutation, {capture: true, passive: true});
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});
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if(root.MutationObserver){
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new MutationObserver( onInputorMutation ).observe( document.documentElement, {childList: true, subtree: true, attributes: true} );
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}
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}
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} else {
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try{
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root.requestIdleCallback(function(){}, {timeout: 0});
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} catch(e){
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(function(rIC){
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var timeRemainingProto, timeRemaining;
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root.requestIdleCallback = function(fn, timeout){
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if(timeout && typeof timeout.timeout == 'number'){
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return rIC(fn, timeout.timeout);
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}
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return rIC(fn);
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};
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if(root.IdleCallbackDeadline && (timeRemainingProto = IdleCallbackDeadline.prototype)){
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timeRemaining = Object.getOwnPropertyDescriptor(timeRemainingProto, 'timeRemaining');
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if(!timeRemaining || !timeRemaining.configurable || !timeRemaining.get){return;}
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Object.defineProperty(timeRemainingProto, 'timeRemaining', {
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value: function(){
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return timeRemaining.get.call(this);
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},
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enumerable: true,
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configurable: true,
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});
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}
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})(root.requestIdleCallback)
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}
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}
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return {
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request: requestIdleCallbackShim,
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cancel: cancelIdleCallbackShim,
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};
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}));
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/***/ })
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/******/ });
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/************************************************************************/
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/******/ // The module cache
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/******/ var __webpack_module_cache__ = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/ // Check if module is in cache
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/******/ var cachedModule = __webpack_module_cache__[moduleId];
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/******/ if (cachedModule !== undefined) {
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/******/ return cachedModule.exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = __webpack_module_cache__[moduleId] = {
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||||
/******/ // no module.id needed
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/******/ // no module.loaded needed
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/************************************************************************/
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/******/ /* webpack/runtime/define property getters */
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/******/ !function() {
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/******/ // define getter functions for harmony exports
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/******/ __webpack_require__.d = function(exports, definition) {
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/******/ for(var key in definition) {
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/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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/******/ }
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/******/ }
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/******/ };
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/******/ }();
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/******/
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/******/ /* webpack/runtime/global */
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/******/ !function() {
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/******/ __webpack_require__.g = (function() {
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/******/ if (typeof globalThis === 'object') return globalThis;
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/******/ try {
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/******/ return this || new Function('return this')();
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/******/ } catch (e) {
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/******/ if (typeof window === 'object') return window;
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/******/ }
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/******/ })();
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/******/ }();
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/******/
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||||
/******/ /* webpack/runtime/hasOwnProperty shorthand */
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/******/ !function() {
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/******/ __webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
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/******/ }();
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/******/
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||||
/******/ /* webpack/runtime/make namespace object */
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/******/ !function() {
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||||
/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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||||
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/ }();
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/******/
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/************************************************************************/
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var __webpack_exports__ = {};
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// This entry need to be wrapped in an IIFE because it need to be in strict mode.
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!function() {
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"use strict";
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// ESM COMPAT FLAG
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__webpack_require__.r(__webpack_exports__);
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// EXPORTS
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__webpack_require__.d(__webpack_exports__, {
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createQueue: function() { return /* binding */ createQueue; }
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});
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// EXTERNAL MODULE: ./node_modules/requestidlecallback/index.js
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var requestidlecallback = __webpack_require__(3159);
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;// CONCATENATED MODULE: ./node_modules/@wordpress/priority-queue/build-module/request-idle-callback.js
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/**
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* External dependencies
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*/
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/**
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* @typedef {( timeOrDeadline: IdleDeadline | number ) => void} Callback
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*/
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/**
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* @return {(callback: Callback) => void} RequestIdleCallback
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*/
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function createRequestIdleCallback() {
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if (typeof window === 'undefined') {
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return callback => {
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setTimeout(() => callback(Date.now()), 0);
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};
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}
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return window.requestIdleCallback;
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}
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/* harmony default export */ var request_idle_callback = (createRequestIdleCallback());
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;// CONCATENATED MODULE: ./node_modules/@wordpress/priority-queue/build-module/index.js
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/**
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* Internal dependencies
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*/
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/**
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* Enqueued callback to invoke once idle time permits.
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*
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* @typedef {()=>void} WPPriorityQueueCallback
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*/
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/**
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* An object used to associate callbacks in a particular context grouping.
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*
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* @typedef {{}} WPPriorityQueueContext
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*/
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/**
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* Function to add callback to priority queue.
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*
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* @typedef {(element:WPPriorityQueueContext,item:WPPriorityQueueCallback)=>void} WPPriorityQueueAdd
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*/
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/**
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* Function to flush callbacks from priority queue.
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*
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* @typedef {(element:WPPriorityQueueContext)=>boolean} WPPriorityQueueFlush
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*/
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/**
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* Reset the queue.
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*
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* @typedef {()=>void} WPPriorityQueueReset
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*/
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/**
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* Priority queue instance.
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*
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* @typedef {Object} WPPriorityQueue
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*
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* @property {WPPriorityQueueAdd} add Add callback to queue for context.
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* @property {WPPriorityQueueFlush} flush Flush queue for context.
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* @property {WPPriorityQueueFlush} cancel Clear queue for context.
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* @property {WPPriorityQueueReset} reset Reset queue.
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*/
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/**
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* Creates a context-aware queue that only executes
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* the last task of a given context.
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*
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* @example
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*```js
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* import { createQueue } from '@wordpress/priority-queue';
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*
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* const queue = createQueue();
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*
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* // Context objects.
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* const ctx1 = {};
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* const ctx2 = {};
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*
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* // For a given context in the queue, only the last callback is executed.
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* queue.add( ctx1, () => console.log( 'This will be printed first' ) );
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* queue.add( ctx2, () => console.log( 'This won\'t be printed' ) );
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* queue.add( ctx2, () => console.log( 'This will be printed second' ) );
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*```
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*
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* @return {WPPriorityQueue} Queue object with `add`, `flush` and `reset` methods.
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*/
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const createQueue = () => {
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/** @type {Map<WPPriorityQueueContext, WPPriorityQueueCallback>} */
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const waitingList = new Map();
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let isRunning = false;
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/**
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* Callback to process as much queue as time permits.
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*
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* Map Iteration follows the original insertion order. This means that here
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* we can iterate the queue and know that the first contexts which were
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* added will be run first. On the other hand, if anyone adds a new callback
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* for an existing context it will supplant the previously-set callback for
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* that context because we reassigned that map key's value.
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*
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* In the case that a callback adds a new callback to its own context then
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* the callback it adds will appear at the end of the iteration and will be
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* run only after all other existing contexts have finished executing.
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*
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* @param {IdleDeadline|number} deadline Idle callback deadline object, or
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* animation frame timestamp.
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*/
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const runWaitingList = deadline => {
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for (const [nextElement, callback] of waitingList) {
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waitingList.delete(nextElement);
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callback();
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if ('number' === typeof deadline || deadline.timeRemaining() <= 0) {
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break;
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}
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}
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if (waitingList.size === 0) {
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isRunning = false;
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return;
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}
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request_idle_callback(runWaitingList);
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};
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/**
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* Add a callback to the queue for a given context.
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*
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* If errors with undefined callbacks are encountered double check that
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* all of your useSelect calls have the right dependencies set correctly
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* in their second parameter. Missing dependencies can cause unexpected
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* loops and race conditions in the queue.
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*
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* @type {WPPriorityQueueAdd}
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*
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* @param {WPPriorityQueueContext} element Context object.
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* @param {WPPriorityQueueCallback} item Callback function.
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*/
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const add = (element, item) => {
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waitingList.set(element, item);
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if (!isRunning) {
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isRunning = true;
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request_idle_callback(runWaitingList);
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}
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};
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/**
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||||
* Flushes queue for a given context, returning true if the flush was
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* performed, or false if there is no queue for the given context.
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*
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* @type {WPPriorityQueueFlush}
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*
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* @param {WPPriorityQueueContext} element Context object.
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*
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* @return {boolean} Whether flush was performed.
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*/
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const flush = element => {
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const callback = waitingList.get(element);
|
||||
if (undefined === callback) {
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return false;
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||||
}
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waitingList.delete(element);
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callback();
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return true;
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||||
};
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/**
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||||
* Clears the queue for a given context, cancelling the callbacks without
|
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* executing them. Returns `true` if there were scheduled callbacks to cancel,
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* or `false` if there was is no queue for the given context.
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*
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||||
* @type {WPPriorityQueueFlush}
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*
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* @param {WPPriorityQueueContext} element Context object.
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*
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||||
* @return {boolean} Whether any callbacks got cancelled.
|
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*/
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||||
const cancel = element => {
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return waitingList.delete(element);
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};
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||||
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/**
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* Reset the queue without running the pending callbacks.
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*
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* @type {WPPriorityQueueReset}
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*/
|
||||
const reset = () => {
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waitingList.clear();
|
||||
isRunning = false;
|
||||
};
|
||||
return {
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||||
add,
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||||
flush,
|
||||
cancel,
|
||||
reset
|
||||
};
|
||||
};
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}();
|
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(window.wp = window.wp || {}).priorityQueue = __webpack_exports__;
|
||||
/******/ })()
|
||||
;
|
||||
Reference in New Issue
Block a user