react-virtualized/dist/commonjs/utils/animationFrame.js

React components for efficiently rendering large, scrollable lists and tabular data

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});


// Properly handle server-side rendering.
var win = void 0;

if (typeof window !== 'undefined') {
  win = window;
} else if (typeof self !== 'undefined') {
  win = self;
} else {
  win = {};
}

// requestAnimationFrame() shim by Paul Irish
// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
var request = win.requestAnimationFrame || win.webkitRequestAnimationFrame || win.mozRequestAnimationFrame || win.oRequestAnimationFrame || win.msRequestAnimationFrame || function (callback) {
  return win.setTimeout(callback, 1000 / 60);
};

var cancel = win.cancelAnimationFrame || win.webkitCancelAnimationFrame || win.mozCancelAnimationFrame || win.oCancelAnimationFrame || win.msCancelAnimationFrame || function (id) {
  win.clearTimeout(id);
};

var raf = exports.raf = request;
var caf = exports.caf = cancel;