RocketChat/Rocket.Chat

import type { IMessage } from '@rocket.chat/core-typings';
import { escapeHTML } from '@rocket.chat/string-helpers';
import type { useTranslation } from '@rocket.chat/ui-contexts';
import emojione from 'emojione';

import { filterMarkdown } from '../../../app/markdown/lib/markdown';

export const normalizeSidebarMessage = (message: IMessage, t: ReturnType<typeof useTranslation>): string | undefined => {
    if (message.msg) {
        return escapeHTML(filterMarkdown(emojione.shortnameToUnicode(message.msg)));
    }

    if (message.attachments) {
        const attachment = message.attachments.find((attachment) => attachment.title || attachment.description);

        if (attachment?.description) {
            return escapeHTML(attachment.description);
        }

        if (attachment?.title) {
            return escapeHTML(attachment.title);
        }

        return t('Sent_an_attachment');
    }
};