RocketChat/Rocket.Chat

import { isEditedMessage } from '@rocket.chat/core-typings';

import { callbacks } from '../../../../../lib/callbacks';
import { ReadReceipt } from '../../../../server/lib/message-read-receipt/ReadReceipt';

callbacks.add(
    'afterSaveMessage',
    async (message, { room }) => {
        // skips this callback if the message was edited
        if (isEditedMessage(message)) {
            return message;
        }

        // mark message as read as well
        await ReadReceipt.markMessageAsReadBySender(message, room, message.u._id);

        return message;
    },
    callbacks.priority.MEDIUM,
    'message-read-receipt-afterSaveMessage',
);