var key = {
    fullscreenEnabled: 0,
    fullscreenElement: 1,
    requestFullscreen: 2,
    exitFullscreen: 3,
    fullscreenchange: 4,
    fullscreenerror: 5,
    fullscreen: 6
};
var webkit = [
    'webkitFullscreenEnabled',
    'webkitFullscreenElement',
    'webkitRequestFullscreen',
    'webkitExitFullscreen',
    'webkitfullscreenchange',
    'webkitfullscreenerror',
    '-webkit-full-screen',
];
var moz = [
    'mozFullScreenEnabled',
    'mozFullScreenElement',
    'mozRequestFullScreen',
    'mozCancelFullScreen',
    'mozfullscreenchange',
    'mozfullscreenerror',
    '-moz-full-screen',
];
var ms = [
    'msFullscreenEnabled',
    'msFullscreenElement',
    'msRequestFullscreen',
    'msExitFullscreen',
    'MSFullscreenChange',
    'MSFullscreenError',
    '-ms-fullscreen',
];
// so it doesn't throw if no window or document
var document = typeof window !== 'undefined' && typeof window.document !== 'undefined' ? window.document : {};
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 (element) { return element[vendor[key.requestFullscreen]](); },
    requestFullscreenFunction: function (element) { return element[vendor[key.requestFullscreen]]; },
    get exitFullscreen() { return document[vendor[key.exitFullscreen]].bind(document); },
    get fullscreenPseudoClass() { return ":" + vendor[key.fullscreen]; },
    addEventListener: function (type, handler, options) { return document.addEventListener(vendor[key[type]], handler, options); },
    removeEventListener: function (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; },
};

export default fscreen;
//# sourceMappingURL=fscreen.esm.js.map