Method assertPresent

packages/zone.js/lib/zone-spec/proxy.ts:48–54

()

  }

  static assertPresent(): ProxyZoneSpec {
    const spec = ProxyZoneSpec.get();
    if (spec === undefined) {
      throw new Error(`Expected to be running in 'ProxyZone', but it was not found.`);
    }
    return spec;
  }

  constructor(private defaultSpecDelegate: ZoneSpec | null = null) {
    this.setDelegate(defaultSpecDelegate);