converse.js/src/plugins/fullscreen/index.js

/**
 * @module converse-fullscreen
 * @license Mozilla Public License (MPLv2)
 * @copyright 2022, the Converse.js contributors
 */
import { api, converse, u } from "@converse/headless";
import './styles/fullscreen.scss';

const { isUniView } = u;

converse.plugins.add('converse-fullscreen', {

    enabled () {
        return isUniView();
    },

    initialize () {
        api.settings.extend({
            chatview_avatar_height: 50,
            chatview_avatar_width: 50,
            hide_open_bookmarks: true,
            show_controlbox_by_default: true,
            sticky_controlbox: true
        });
    }
});