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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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/******/ }); |