Type Parameters

  • T

Implements

  • Promise<T>

Methods

  • Attaches a callback for only the rejection of the Promise.

    Type Parameters

    • TResult = never

    Parameters

    • OptionalonRejected: null | (reason: any) => TResult | PromiseLike<TResult>

    Returns Promise<T | TResult>

    A Promise for the completion of the callback.

  • Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The resolved value cannot be modified from the callback.

    Parameters

    • OptionalonFinally: null | () => void

    Returns Promise<T>

    A Promise for the completion of the callback.

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

    Type Parameters

    • TResult1 = T
    • TResult2 = never

    Parameters

    Returns Promise<TResult1 | TResult2>

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