method PromiseLike.then
Private
PromiseLike.then<
TResult1 = T,
TResult2 = never,
>(
onfulfilled?:
((value: T) => TResult1 | PromiseLike<TResult1>)
| undefined
| null
,
onrejected?:
((reason: any) => TResult2 | PromiseLike<TResult2>)
| undefined
| null
,
): PromiseLike<TResult1 | TResult2>

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

Type Parameters

TResult1 = T
TResult2 = never

Parameters

optional
onfulfilled:
((value: T) => TResult1 | PromiseLike<TResult1>)
| undefined
| null

The callback to execute when the Promise is resolved.

optional
onrejected:
((reason: any) => TResult2 | PromiseLike<TResult2>)
| undefined
| null

The callback to execute when the Promise is rejected.

Return Type

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