tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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rendering-utils.js (559B)

      1 "use strict";
      2 
      3 /**
      4 * Waits until we have at least one frame rendered, regardless of the engine.
      5 *
      6 * @returns {Promise}
      7 */
      8 function waitForAtLeastOneFrame() {
      9  return new Promise(resolve => {
     10    // Different web engines work slightly different on this area but waiting
     11    // for two requestAnimationFrames() to happen, one after another, should be
     12    // sufficient to ensure at least one frame has been generated anywhere.
     13    window.requestAnimationFrame(() => {
     14      window.requestAnimationFrame(() => {
     15        resolve();
     16      });
     17    });
     18  });
     19 }