Interface PromiseLike<T>
interface PromiseLike<T> {
then<TResult1, TResult2>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>), onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>)): PromiseLike<TResult1 | TResult2>;
}
then<TResult1, TResult2>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>), onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>)): PromiseLike<TResult1 | TResult2>;
}
Type Parameters
Index
Methods
Methods
then
- then<TResult1, TResult2>(onfulfilled?, onrejected?): PromiseLike<TResult1 | TResult2>
Type Parameters
- TResult1 = T
- TResult2 = never
Parameters
Optional
onfulfilled: ((value: T) => 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: any) => 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.
Attaches callbacks for the resolution and/or rejection of the Promise.