linstrom/frontend-old-ember/app/helpers/is-valid-mail.ts
mStar 88398334fe
JS frontend stuff
Move old ember frontend to properly named folder
Add vue based new frontend
2025-07-07 21:48:39 +02:00

14 lines
566 B
TypeScript

import { helper } from '@ember/component/helper';
const re = /.+@\S+\.\S+/;
// Helper to check if a given email is *probably* valid
// Ofc, the only surefire way to check if an email exists is to send a test mail to it.
// This sending is expensive however, and thus some mostly sane defaults can be checked for
// beforehand. "Bananentürkis" for example is obviously not a valid address
export default helper(function isValidMail(positional: string[] /*, named*/) {
for (const mail of positional) {
if (!re.test(mail)) return false;
}
return true;
});