Interface PromiseLike<T>

interface PromiseLike<T> {
    then<TResult1 = T, TResult2 = never>(
        onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>,
        onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>,
    ): PromiseLike<TResult1 | TResult2>;
}

Methods

then<TResult1 = T, TResult2 = never>(
onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>,
onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>,
): PromiseLike<TResult1 | TResult2>
Attaches callbacks for the resolution and/or rejection of the Promise.
Type Parameters
- TResult1 = T
- TResult2 = never
Parameters
- Optionalonfulfilled: (value: T) => TResult1 | PromiseLike<TResult1>
  The callback to execute when the Promise is resolved.
- Optionalonrejected: (reason: any) => TResult2 | PromiseLike<TResult2>
  The callback to execute when the Promise is rejected.
Returns PromiseLike<TResult1 | TResult2>
A Promise for the completion of which ever callback is executed.