converse.js/src/plugins/singleton/index.js

Browser based XMPP chat client

/**
 * @copyright JC Brand
 * @license Mozilla Public License (MPLv2)
 * @description A plugin which restricts Converse to only one chat.
 */
import { api, converse } from "@converse/headless";

import './singleton.scss';


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

    enabled (_converse) {
        return _converse.api.settings.get("singleton");
    },

    initialize () {
        api.settings.extend({
            'allow_logout': false,          // No point in logging out when we have auto_login as true.
            'allow_muc_invitations': false, // Doesn't make sense to allow because only
                                            // roster contacts can be invited
            'hide_muc_server': true
        });

        const auto_join_rooms = api.settings.get('auto_join_rooms');
        const auto_join_private_chats = api.settings.get('auto_join_private_chats');

        if (!Array.isArray(auto_join_rooms) && !Array.isArray(auto_join_private_chats)) {
            throw new Error("converse-singleton: auto_join_rooms must be an Array");
        }
        if (auto_join_rooms.length === 0 && auto_join_private_chats.length === 0) {
            throw new Error("If you set singleton set to true, you need "+
                "to specify auto_join_rooms or auto_join_private_chats");
        }
        if (auto_join_rooms.length > 0 && auto_join_private_chats.length > 0) {
            throw new Error("It doesn't make sense to have singleton set to true and " +
                "auto_join_rooms or auto_join_private_chats set to more then one, " +
                "since only one chat room may be open at any time.");
        }
    }
});