consul/ui/packages/consul-ui/app/helpers/cached-model.js

import Helper from '@ember/component/helper';
import { getOwner } from '@ember/application';

export default class CachedHelper extends Helper {
  compute([model], hash) {
    return () => {
      const container = getOwner(this);
      return container.lookup(`service:repository/${model}`).cached(hash);
    };
  }
}