Method race

packages/zone.js/lib/common/promise.ts:397–418

(values: PromiseLike<any>[])

      }

      static race<R>(values: PromiseLike<any>[]): Promise<R> {
        let resolve: (v: any) => void;
        let reject: (v: any) => void;
        let promise: any = new this((res, rej) => {
          resolve = res;
          reject = rej;
        });
        function onResolve(value: any) {
          resolve(value);
        }
        function onReject(error: any) {
          reject(error);
        }

        for (let value of values) {
          if (!isThenable(value)) {
            value = this.resolve(value);
          }
          value.then(onResolve, onReject);
        }
        return promise;
      }

      static all<R>(values: any): Promise<R> {
        return ZoneAwarePromise.allWithCallback(values);