extra-abort v0.4.0
extra-abort
Install
npm install --save extra-abort
# or
yarn add extra-abort
API
AbortController, AbortSignal
The WHATWG AbortController
and AbortSignal
.
AbortError
class AbortError extends CustomError {}
It is not the real AbortError
of fetch
,
but you can do err instance AbortError
like it is,
because it can recognizes other errors that match the pattern of AbortError
.
LinkedAbortController
class LinkedAbortController extends AbortController {
constructor(signal: AbortSignal)
}
It is a special AbortController
that takes an AbortSignal
as a parameter.
It will abort itself when its parameter signal aborts,
you can make it abort by calling its abort
method too.
timeoutSignal
function timeoutSignal(ms: number): AbortSignal
It will abort after ms
milliseconds.
await fetch('http://example.com', { signal: timeoutSignal(5000) })
withAbortSignal
/**
* @throws {AbortError}
*/
function withAbortSignal<T>(signal: AbortSignal | Falsy, fn: () => PromiseLike<T>): Promise<T>
If AbortSignal
is aborted, the promise will be rejected with AbortError
.
raceAbortSignals
function raceAbortSignals(signals: Array<AbortSignal | Falsy>): AbortSignal
The Promise.race
function for AbortSignal
.
isAbortSignal
function isAbortSignal(val: unknown): val is AbortSignal
lastCallOnly
function lastCallOnly<T, Args extends unknown[]>(
fn: (...args: [...args: Args, signal: AbortSignal]) => PromiseLike<T>
): (...args: [...args: Args, signal: AbortSignal | Falsy]) => Promise<T>
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