ember-credit-cards/addon/utils/is-whitelist-keypress.js

A credit card utility library and form elements.

import { A } from '@ember/array';

const validKeyCodes = A([9, 8, 46, 27, 13]);

export default function isDigitKeypress(e) {
  var keyCode = e.keyCode || e.which;

  return validKeyCodes.includes(keyCode);
}