converse.js/src/headless/plugins/headlines/utils.js

Browser based XMPP chat client

import HeadlinesFeed from './feed';
import _converse from '../../shared/_converse.js';
import api from '../../shared/api/index.js';
import { HEADLINES_TYPE } from '../../shared/constants.js';
import { isHeadline, isServerMessage } from '../../shared/parsers.js';
import { parseMessage } from '../../plugins/chat/parsers.js';

/**
 * Handler method for all incoming messages of type "headline".
 * @param { Element } stanza
 */
export async function onHeadlineMessage (stanza) {
    if (isHeadline(stanza) || isServerMessage(stanza)) {
        const from_jid = stanza.getAttribute('from');

        await api.waitUntil('rosterInitialized')
        if (from_jid.includes('@') &&
                !_converse.state.roster.get(from_jid) &&
                !api.settings.get("allow_non_roster_messaging")) {
            return;
        }
        if (stanza.querySelector('body') === null) {
            // Avoid creating a chat box if we have nothing to show inside it.
            return;
        }

        const chatbox = await api.chatboxes.create(from_jid, {
            'id': from_jid,
            'jid': from_jid,
            'type': HEADLINES_TYPE,
            'from': from_jid
        }, HeadlinesFeed);

        const attrs = await parseMessage(stanza);
        await chatbox.createMessage(attrs);
        api.trigger('message', {chatbox, stanza, attrs});
    }
}