Interface DeferredPromise<T>
interface DeferredPromise<T> {
[toStringTag]: string;
always(callback: (() => void)): DeferredPromise<T>;
catch<TResult>(onrejected?: null | ((reason: any) => TResult | PromiseLike<TResult>)): Promise<T | TResult>;
done(callback: ((data: T) => void)): DeferredPromise<T>;
fail(callback: ((exc: Error) => void)): DeferredPromise<T>;
finally(onfinally?: null | (() => void)): Promise<T>;
progress(callback: ((message: T, cancel: (() => void)) => void)): DeferredPromise<T>;
then<TResult1, TResult2>(onfulfilled?: null | ((value: T) => TResult1 | PromiseLike<TResult1>), onrejected?: null | ((reason: any) => TResult2 | PromiseLike<TResult2>)): Promise<TResult1 | TResult2>;
}
[toStringTag]: string;
always(callback: (() => void)): DeferredPromise<T>;
catch<TResult>(onrejected?: null | ((reason: any) => TResult | PromiseLike<TResult>)): Promise<T | TResult>;
done(callback: ((data: T) => void)): DeferredPromise<T>;
fail(callback: ((exc: Error) => void)): DeferredPromise<T>;
finally(onfinally?: null | (() => void)): Promise<T>;
progress(callback: ((message: T, cancel: (() => void)) => void)): DeferredPromise<T>;
then<TResult1, TResult2>(onfulfilled?: null | ((value: T) => TResult1 | PromiseLike<TResult1>), onrejected?: null | ((reason: any) => TResult2 | PromiseLike<TResult2>)): Promise<TResult1 | TResult2>;
}
Type Parameters
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Methods
always
- always(callback: (() => void)): DeferredPromise<T>
Parameters
- callback: (() => void)
- (): void
Returns void
Returns DeferredPromise<T>
- callback: (() => void)
catch
- catch<TResult>(onrejected?: null | ((reason: any) => TResult | PromiseLike<TResult>)): Promise<T | TResult>
Type Parameters
Parameters
Optionalonrejected: null | ((reason: any) => TResult | PromiseLike<TResult>)The callback to execute when the Promise is rejected.
Returns Promise<T | TResult>
A Promise for the completion of the callback.
done
- done(callback: ((data: T) => void)): DeferredPromise<T>
Returns DeferredPromise<T>
fail
- fail(callback: ((exc: Error) => void)): DeferredPromise<T>
Returns DeferredPromise<T>
finally
- finally(onfinally?: null | (() => void)): Promise<T>
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)The callback to execute when the Promise is settled (fulfilled or rejected).
Returns Promise<T>
A Promise for the completion of the callback.
progress
- progress(callback: ((message: T, cancel: (() => void)) => void)): DeferredPromise<T>
Parameters
Returns DeferredPromise<T>
then
- then<TResult1, TResult2>(onfulfilled?: null | ((value: T) => TResult1 | PromiseLike<TResult1>), onrejected?: null | ((reason: any) => TResult2 | PromiseLike<TResult2>)): Promise<TResult1 | TResult2>
Attaches callbacks for the resolution and/or rejection of the Promise.
Type Parameters
- TResult1 = T
- TResult2 = never
Parameters
Optionalonfulfilled: null | ((value: T) => TResult1 | PromiseLike<TResult1>)The callback to execute when the Promise is resolved.
Optionalonrejected: null | ((reason: any) => TResult2 | PromiseLike<TResult2>)The callback to execute when the Promise is rejected.
Returns Promise<TResult1 | TResult2>
A Promise for the completion of which ever callback is executed.
Attaches a callback for only the rejection of the Promise.