jellyfin-web/dashboard-ui/bower_components/emby-webcomponents/fullscreen/fullscreen-doubleclick.js

define(['dom', 'fullscreenManager'], function (dom, fullscreenManager) {
    'use strict';

    dom.addEventListener(window, 'dblclick', function () {

        if (fullscreenManager.isFullScreen()) {
            fullscreenManager.exitFullscreen();
        } else {
            fullscreenManager.requestFullscreen();
        }

    }, {
        passive: true
    });
});