RocketChat/Rocket.Chat

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

import * as Mailer from '../../../app/mailer/server/api';
import { settings } from '../../../app/settings/server';
import { getUserEmailAddress } from '../../../lib/getUserEmailAddress';

export const sendEmail = async (userData: Pick<IUser, 'name' | 'emails'>, subject: string, body: string): Promise<void> => {
    const emailAddress = getUserEmailAddress(userData);

    if (!emailAddress) {
        throw new Error('no email address found for user');
    }

    const to = `${userData.name} <${emailAddress}>`;
    const from = settings.get('From_Email') as string;

    if (!Mailer.checkAddressFormat(emailAddress)) {
        return;
    }

    await Mailer.send({
        to,
        from,
        subject,
        html: body,
    });
};