WordPress/wp-includes/js/dist/priority-queue.js
gziolo aca0d9968f Block Editor: Remove experimental Social Links blocks
We decided to mark Social Links block as an experimental feature in Gutenberg. In effect, we are moving all related code from WordPress 5.3 release.

Props youknowriad.

Fixes #48263.


Built from https://develop.svn.wordpress.org/trunk@46543


git-svn-id: http://core.svn.wordpress.org/trunk@46340 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2019-10-15 15:37:08 +00:00

173 lines
5.7 KiB
JavaScript

this["wp"] = this["wp"] || {}; this["wp"]["priorityQueue"] =
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/******/ ({
/***/ 299:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "createQueue", function() { return createQueue; });
var requestIdleCallback = window.requestIdleCallback ? window.requestIdleCallback : window.requestAnimationFrame;
/**
* 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 {Object} Queue object with `add` and `flush` methods.
*/
var createQueue = function createQueue() {
var waitingList = [];
var elementsMap = new WeakMap();
var isRunning = false;
var runWaitingList = function runWaitingList(deadline) {
do {
if (waitingList.length === 0) {
isRunning = false;
return;
}
var nextElement = waitingList.shift();
elementsMap.get(nextElement)();
elementsMap.delete(nextElement);
} while (deadline && deadline.timeRemaining && deadline.timeRemaining() > 0);
requestIdleCallback(runWaitingList);
};
var add = function add(element, item) {
if (!elementsMap.has(element)) {
waitingList.push(element);
}
elementsMap.set(element, item);
if (!isRunning) {
isRunning = true;
requestIdleCallback(runWaitingList);
}
};
var flush = function flush(element) {
if (!elementsMap.has(element)) {
return false;
}
elementsMap.delete(element);
var index = waitingList.indexOf(element);
waitingList.splice(index, 1);
return true;
};
return {
add: add,
flush: flush
};
};
/***/ })
/******/ });