open-vault/ui/app/helpers/has-feature.js

import { inject as service } from '@ember/service';
import { assert } from '@ember/debug';
import Helper from '@ember/component/helper';
import { observer } from '@ember/object';

const FEATURES = [
  'HSM',
  'Performance Replication',
  'DR Replication',
  'MFA',
  'Sentinel',
  'Seal Wrapping',
  'Control Groups',
  'Namespaces',
];

export function hasFeature(featureName, features) {
  if (!FEATURES.includes(featureName)) {
    assert(`${featureName} is not one of the available values for Vault Enterprise features.`, false);
    return false;
  }
  return features ? features.includes(featureName) : false;
}

export default Helper.extend({
  version: service(),
  onFeaturesChange: observer('version.features.[]', function() {
    this.recompute();
  }),
  compute([featureName]) {
    return hasFeature(featureName, this.get('version.features'));
  },
});