Interface PromiseLike<T>

then

• then<TResult1, TResult2>(onfulfilled?, onrejected?): PromiseLike<TResult1 | TResult2>

• Attaches callbacks for the resolution and/or rejection of the Promise.

  Type Parameters

  • TResult1 = T

  • TResult2 = never

  Parameters

  • Optional onfulfilled: ((value) => TResult1 | PromiseLike<TResult1>)

    The callback to execute when the Promise is resolved.

    • • (value): TResult1 | PromiseLike<TResult1>

      • Parameters

        • value: T

        Returns TResult1 | PromiseLike<TResult1>

  • Optional onrejected: ((reason) => TResult2 | PromiseLike<TResult2>)

    The callback to execute when the Promise is rejected.

    • • (reason): TResult2 | PromiseLike<TResult2>

      • Parameters

        • reason: any

        Returns TResult2 | PromiseLike<TResult2>

  Returns PromiseLike<TResult1 | TResult2>

  A Promise for the completion of which ever callback is executed.