polyfills.js — react Source File

Architecture documentation for polyfills.js, a javascript file in the react codebase. 4 imports, 1 dependents.

File javascript BabelCompiler 4 imports 1 dependents

Entity Profile

BabelCompiler→ polyfills.js — react Source File

Dependency Diagram

graph LR
  b13e4ec8_edeb_b96a_c7f8_f960677a6e23["polyfills.js"]
  0fca0079_5c64_bbd2_08e6_ba6863de1359["symbol"]
  b13e4ec8_edeb_b96a_c7f8_f960677a6e23 --> 0fca0079_5c64_bbd2_08e6_ba6863de1359
  b58b7475_83be_1536_51c8_db172cac3969["promise"]
  b13e4ec8_edeb_b96a_c7f8_f960677a6e23 --> b58b7475_83be_1536_51c8_db172cac3969
  ea10b0cd_d3db_e077_a508_18a7c75711c2["set"]
  b13e4ec8_edeb_b96a_c7f8_f960677a6e23 --> ea10b0cd_d3db_e077_a508_18a7c75711c2
  9df240d8_0f66_97a4_9f26_52136b982cf8["map"]
  b13e4ec8_edeb_b96a_c7f8_f960677a6e23 --> 9df240d8_0f66_97a4_9f26_52136b982cf8
  9f1d73bc_10b4_6f20_3101_55819618d137["index.js"]
  9f1d73bc_10b4_6f20_3101_55819618d137 --> b13e4ec8_edeb_b96a_c7f8_f960677a6e23
  style b13e4ec8_edeb_b96a_c7f8_f960677a6e23 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import 'core-js/es6/symbol';
import 'core-js/es6/promise';
import 'core-js/es6/set';
import 'core-js/es6/map';

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
// MIT license
(function () {
  var lastTime = 0;
  var vendors = ['ms', 'moz', 'webkit', 'o'];
  for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
    window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
    window.cancelAnimationFrame =
      window[vendors[x] + 'CancelAnimationFrame'] ||
      window[vendors[x] + 'CancelRequestAnimationFrame'];
  }

  if (!window.requestAnimationFrame)
    window.requestAnimationFrame = function (callback, element) {
      var currTime = new Date().getTime();
      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
      var id = window.setTimeout(function () {
        callback(currTime + timeToCall);
      }, timeToCall);
      lastTime = currTime + timeToCall;
      return id;
    };

  if (!window.cancelAnimationFrame)
    window.cancelAnimationFrame = function (id) {
      clearTimeout(id);
    };
})();