Drop-in client dist version of fscreen

gistfile1.txt

// https://github.com/rafrex/fscreen

'use strict';

var key = {
  fullscreenEnabled: 0,
  fullscreenElement: 1,
  requestFullscreen: 2,
  exitFullscreen: 3,
  fullscreenchange: 4,
  fullscreenerror: 5
};

var webkit = ['webkitFullscreenEnabled', 'webkitFullscreenElement', 'webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitfullscreenchange', 'webkitfullscreenerror'];

var moz = ['mozFullScreenEnabled', 'mozFullScreenElement', 'mozRequestFullScreen', 'mozCancelFullScreen', 'mozfullscreenchange', 'mozfullscreenerror'];

var ms = ['msFullscreenEnabled', 'msFullscreenElement', 'msRequestFullscreen', 'msExitFullscreen', 'MSFullscreenChange', 'MSFullscreenError'];

var vendor = 'fullscreenEnabled' in document && Object.keys(key) || webkit[0] in document && webkit || moz[0] in document && moz || ms[0] in document && ms || [];

var fscreen = {
  requestFullscreen: function requestFullscreen(element) {
    return element[vendor[key.requestFullscreen]]();
  },
  requestFullscreenFunction: function requestFullscreenFunction(element) {
    return element[vendor[key.requestFullscreen]];
  },
  get exitFullscreen() {
    return document[vendor[key.exitFullscreen]].bind(document);
  },
  addEventListener: function addEventListener(type, handler, options) {
    return document.addEventListener(vendor[key[type]], handler, options);
  },
  removeEventListener: function removeEventListener(type, handler, options) {
    return document.removeEventListener(vendor[key[type]], handler, options);
  },
  get fullscreenEnabled() {
    return Boolean(document[vendor[key.fullscreenEnabled]]);
  },
  set fullscreenEnabled(val) {},
  get fullscreenElement() {
    return document[vendor[key.fullscreenElement]];
  },
  set fullscreenElement(val) {},
  get onfullscreenchange() {
    return document[('on' + vendor[key.fullscreenchange]).toLowerCase()];
  },
  set onfullscreenchange(handler) {
    return document[('on' + vendor[key.fullscreenchange]).toLowerCase()] = handler;
  },
  get onfullscreenerror() {
    return document[('on' + vendor[key.fullscreenerror]).toLowerCase()];
  },
  set onfullscreenerror(handler) {
    return document[('on' + vendor[key.fullscreenerror]).toLowerCase()] = handler;
  }
};