consul/ui/packages/consul-ui/app/validations/intention.js

import { validatePresence, validateLength } from 'ember-changeset-validations/validators';
import validateSometimes from 'ember-changeset-conditional-validations/validators/sometimes';
export default {
  '*': validateSometimes([validatePresence(true)], function() {
    const action = this.get('Action') || '';
    const permissions = this.get('Permissions') || [];
    if (action === '' && permissions.length === 0) {
      return true;
    }
    return false;
  }),
  SourceName: [validatePresence(true), validateLength({ min: 1 })],
  DestinationName: [validatePresence(true), validateLength({ min: 1 })],
  Permissions: [
    validateSometimes([validateLength({ min: 1 })], function(changes, content) {
      return !this.get('Action');
    }),
  ],
};