Method then

src/shared/ForkPromise.ts:41–46

(
    onFulfilled: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null,
    onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null
  )

  }

  then<TResult1 = T, TResult2 = never>(
    onFulfilled: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null,
    onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null
  ) {
    return this.promise.then(onFulfilled, onrejected)
  }

  catch<TResult = never>(
    onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null