source-queue.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

const { throttle } = require("resource://devtools/shared/throttle.js");

// This SourceQueue module is now only used for source mapped sources

let newOriginalQueuedSources;

let queuedOriginalSources;

let currentWork;

async function dispatchNewSources() {

  const sources = queuedOriginalSources;

  if (!sources.length) {

    return;

  queuedOriginalSources = [];

  currentWork = await newOriginalQueuedSources(sources);

const queue = throttle(dispatchNewSources, 100);

export default {

  initialize: actions => {

    newOriginalQueuedSources = actions.newOriginalSources;

    queuedOriginalSources = [];

},

  queueOriginalSources: sources => {

    if (sources.length) {

      queuedOriginalSources.push(...sources);

      queue();

},

  flush: () => Promise.all([queue.flush(), currentWork]),

  clear: () => {

    queuedOriginalSources = [];

    queue.cancel();

},

};