173 lines
5.7 KiB
JavaScript
173 lines
5.7 KiB
JavaScript
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this["wp"] = this["wp"] || {}; this["wp"]["priorityQueue"] =
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/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].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 = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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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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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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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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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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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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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 346);
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/******/ })
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/************************************************************************/
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/******/ ({
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/***/ 346:
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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__webpack_require__.r(__webpack_exports__);
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/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "createQueue", function() { return createQueue; });
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var requestIdleCallback = window.requestIdleCallback ? window.requestIdleCallback : window.requestAnimationFrame;
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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 {Object} Queue object with `add` and `flush` methods.
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*/
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var createQueue = function createQueue() {
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var waitingList = [];
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var elementsMap = new WeakMap();
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var isRunning = false;
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var runWaitingList = function runWaitingList(deadline) {
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do {
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if (waitingList.length === 0) {
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isRunning = false;
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return;
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}
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var nextElement = waitingList.shift();
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elementsMap.get(nextElement)();
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elementsMap.delete(nextElement);
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} while (deadline && deadline.timeRemaining && deadline.timeRemaining() > 0);
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requestIdleCallback(runWaitingList);
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};
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var add = function add(element, item) {
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if (!elementsMap.has(element)) {
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waitingList.push(element);
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}
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elementsMap.set(element, item);
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if (!isRunning) {
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isRunning = true;
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requestIdleCallback(runWaitingList);
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}
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};
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var flush = function flush(element) {
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if (!elementsMap.has(element)) {
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return false;
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}
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elementsMap.delete(element);
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var index = waitingList.indexOf(element);
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waitingList.splice(index, 1);
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return true;
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};
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return {
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add: add,
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flush: flush
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};
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};
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/***/ })
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/******/ });
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