Interface PromiseStrict<T, E>

Promise type restricting return type and typed reason for errors.

Type parameters

T
E

Hierarchy

PromiseStrict

Index

Methods

Methods

catch

catch<TResult>(onrejected?: ((reason: E) => TResult | PromiseLike<TResult>) | undefined | null): Promise<T | TResult>

- Defined in types.ts:66
Attaches a callback for only the rejection of the Promise.

Type parameters
- TResult
Parameters
- Optional onrejected: ((reason: E) => TResult | PromiseLike<TResult>) | undefined | null
  
  The callback to execute when the Promise is rejected.
Returns Promise<T | TResult>

A Promise for the completion of the callback.

finally

finally(onfinally?: (() => void) | undefined | null): Promise<T>

- Defined in types.ts:74
Called after thenable and catch.

Parameters
- Optional onfinally: (() => void) | undefined | null
  
  on final handler of promise.
Returns Promise<T>

then

then<TResult1, TResult2>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: E) => TResult2 | PromiseLike<TResult2>) | undefined | null): Promise<TResult1 | TResult2>

- Defined in types.ts:57
Attaches callbacks for the resolution and/or rejection of the Promise.

Type parameters
- TResult1
- TResult2
Parameters
- Optional onfulfilled: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null
  
  The callback to execute when the Promise is resolved.
- Optional onrejected: ((reason: E) => TResult2 | PromiseLike<TResult2>) | undefined | null
  
  The callback to execute when the Promise is rejected.
Returns Promise<TResult1 | TResult2>

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

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