70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
goog.loadModule(function(exports) {
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"use strict";
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goog.module("goog.async.run");
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goog.module.declareLegacyNamespace();
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const WorkQueue = goog.require("goog.async.WorkQueue");
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const asyncStackTag = goog.require("goog.debug.asyncStackTag");
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const nextTick = goog.require("goog.async.nextTick");
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const throwException = goog.require("goog.async.throwException");
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goog.ASSUME_NATIVE_PROMISE = goog.define("goog.ASSUME_NATIVE_PROMISE", false);
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let schedule;
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let workQueueScheduled = false;
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let workQueue = new WorkQueue();
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let run = (callback, context = undefined) => {
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if (!schedule) {
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initializeRunner();
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}
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if (!workQueueScheduled) {
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schedule();
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workQueueScheduled = true;
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}
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callback = asyncStackTag.wrap(callback, "goog.async.run");
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workQueue.add(callback, context);
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};
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let initializeRunner = () => {
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if (goog.ASSUME_NATIVE_PROMISE || goog.global.Promise && goog.global.Promise.resolve) {
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const promise = goog.global.Promise.resolve(undefined);
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schedule = () => {
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promise.then(run.processWorkQueue);
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};
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} else {
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schedule = () => {
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nextTick(run.processWorkQueue);
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};
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}
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};
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run.forceNextTick = (realSetTimeout = undefined) => {
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schedule = () => {
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nextTick(run.processWorkQueue);
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if (realSetTimeout) {
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realSetTimeout(run.processWorkQueue);
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}
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};
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};
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if (goog.DEBUG) {
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run.resetQueue = () => {
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workQueueScheduled = false;
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workQueue = new WorkQueue();
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};
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run.resetSchedulerForTest = () => {
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initializeRunner();
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};
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}
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run.processWorkQueue = () => {
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let item = null;
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for (; item = workQueue.remove();) {
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try {
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item.fn.call(item.scope);
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} catch (e) {
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throwException(e);
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}
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workQueue.returnUnused(item);
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}
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workQueueScheduled = false;
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};
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exports = run;
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return exports;
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});
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//# sourceMappingURL=goog.async.run.js.map
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