Rocket.Chat/client/startup/emailVerification.ts

import { Meteor } from 'meteor/meteor';
import { TAPi18n } from 'meteor/rocketchat:tap-i18n';
import { Session } from 'meteor/session';
import { Tracker } from 'meteor/tracker';

import { settings } from '../../app/settings/client';
import { dispatchToastMessage } from '../lib/toast';

Meteor.startup(() => {
	Tracker.autorun(() => {
		const user = Meteor.user();
		if (
			user?.emails?.[0] &&
			user.emails[0].verified !== true &&
			settings.get('Accounts_EmailVerification') === true &&
			!Session.get('Accounts_EmailVerification_Warning')
		) {
			dispatchToastMessage({
				type: 'warning',
				message: TAPi18n.__('You_have_not_verified_your_email'),
			});
			Session.set('Accounts_EmailVerification_Warning', true);
		}
	});
});