Documentation / @ripl/core / Task

Class: Task<TResult>

Defined in: packages/core/src/task/index.ts:42

A cancellable promise with AbortController integration, supporting abort callbacks and chaining.

Extends

• Promise<TResult>

Extended by

• Transition

Type Parameters

Type Parameter	Default type
TResult	void

Constructors

Constructor

new Task<TResult>(executor, controller?): Task<TResult>

Defined in: packages/core/src/task/index.ts:47

Parameters

Parameter	Type
executor	TaskExecutor<TResult>
controller	AbortController

Returns

Task<TResult>

Overrides

Promise<TResult>.constructor

Properties

Property	Modifier	Type	Inherited from	Defined in
[toStringTag]	readonly	string	Task.[toStringTag]	node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts:174
[species]	readonly	PromiseConstructor	Promise.[species]	node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts:178

Accessors

hasAborted

Get Signature

get hasAborted(): boolean

Defined in: packages/core/src/task/index.ts:106

Whether this task has already been aborted.

Returns

boolean

---

signal

Get Signature

get signal(): AbortSignal

Defined in: packages/core/src/task/index.ts:101

The AbortSignal associated with this task's controller.

Returns

AbortSignal

Methods

abort()

abort(reason?): this

Defined in: packages/core/src/task/index.ts:111

Aborts the task with an optional reason, triggering all registered abort callbacks.

Parameters

Parameter	Type
reason?	unknown

Returns

this

---

catch()

catch<TResult>(onrejected?): Promise<TResult | TResult>

Defined in: node_modules/typescript/lib/lib.es5.d.ts:1562

Attaches a callback for only the rejection of the Promise.

Type Parameters

Type Parameter	Default type
TResult	never

Parameters

Parameter	Type	Description
onrejected?	((reason) => TResult | PromiseLike<TResult>) | null	The callback to execute when the Promise is rejected.

Returns

Promise<TResult | TResult>

A Promise for the completion of the callback.

Inherited from

Promise.catch

---

finally()

finally(onfinally?): Promise<TResult>

Defined in: node_modules/typescript/lib/lib.es2018.promise.d.ts:27

Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The resolved value cannot be modified from the callback.

Parameters

Parameter	Type	Description
onfinally?	(() => void) | null	The callback to execute when the Promise is settled (fulfilled or rejected).

Returns

Promise<TResult>

A Promise for the completion of the callback.

Inherited from

Promise.finally

---

then()

then<TResult1, TResult2>(onfulfilled?, onrejected?): Promise<TResult1 | TResult2>

Defined in: node_modules/typescript/lib/lib.es5.d.ts:1555

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

Type Parameters

Type Parameter	Default type
TResult1	TResult
TResult2	never

Parameters

Parameter	Type	Description
onfulfilled?	((value) => TResult1 | PromiseLike<TResult1>) | null	The callback to execute when the Promise is resolved.
onrejected?	((reason) => TResult2 | PromiseLike<TResult2>) | 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.

Inherited from

Promise.then

---

all()

Call Signature

static all<T>(values): Promise<Awaited<T>[]>

Defined in: node_modules/typescript/lib/lib.es2015.iterable.d.ts:253

Creates a Promise that is resolved with an array of results when all of the provided Promises resolve, or rejected when any Promise is rejected.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
values	Iterable<T | PromiseLike<T>>	An iterable of Promises.

Returns

Promise<Awaited<T>[]>

A new Promise.

Inherited from

Promise.all

Call Signature

static all<T>(values): Promise<{ -readonly [P in string | number | symbol]: Awaited<T[P]> }>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:37

Creates a Promise that is resolved with an array of results when all of the provided Promises resolve, or rejected when any Promise is rejected.

Type Parameters

Type Parameter
T extends [] | readonly unknown[]

Parameters

Parameter	Type	Description
values	T	An array of Promises.

Returns

Promise<{ -readonly [P in string | number | symbol]: Awaited<T[P]> }>

A new Promise.

Inherited from

Promise.all

---

allSettled()

Call Signature

static allSettled<T>(values): Promise<{ -readonly [P in string | number | symbol]: PromiseSettledResult<Awaited<T[P]>> }>

Defined in: node_modules/typescript/lib/lib.es2020.promise.d.ts:36

Creates a Promise that is resolved with an array of results when all of the provided Promises resolve or reject.

Type Parameters

Type Parameter
T extends [] | readonly unknown[]

Parameters

Parameter	Type	Description
values	T	An array of Promises.

Returns

Promise<{ -readonly [P in string | number | symbol]: PromiseSettledResult<Awaited<T[P]>> }>

A new Promise.

Inherited from

Promise.allSettled

Call Signature

static allSettled<T>(values): Promise<PromiseSettledResult<Awaited<T>>[]>

Defined in: node_modules/typescript/lib/lib.es2020.promise.d.ts:44

Creates a Promise that is resolved with an array of results when all of the provided Promises resolve or reject.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
values	Iterable<T | PromiseLike<T>>	An array of Promises.

Returns

Promise<PromiseSettledResult<Awaited<T>>[]>

A new Promise.

Inherited from

Promise.allSettled

---

any()

Call Signature

static any<T>(values): Promise<Awaited<T[number]>>

Defined in: node_modules/typescript/lib/lib.es2021.promise.d.ts:38

The any function returns a promise that is fulfilled by the first given promise to be fulfilled, or rejected with an AggregateError containing an array of rejection reasons if all of the given promises are rejected. It resolves all elements of the passed iterable to promises as it runs this algorithm.

Type Parameters

Type Parameter
T extends [] | readonly unknown[]

Parameters

Parameter	Type	Description
values	T	An array or iterable of Promises.

Returns

Promise<Awaited<T[number]>>

A new Promise.

Inherited from

Promise.any

Call Signature

static any<T>(values): Promise<Awaited<T>>

Defined in: node_modules/typescript/lib/lib.es2021.promise.d.ts:45

The any function returns a promise that is fulfilled by the first given promise to be fulfilled, or rejected with an AggregateError containing an array of rejection reasons if all of the given promises are rejected. It resolves all elements of the passed iterable to promises as it runs this algorithm.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
values	Iterable<T | PromiseLike<T>>	An array or iterable of Promises.

Returns

Promise<Awaited<T>>

A new Promise.

Inherited from

Promise.any

---

race()

Call Signature

static race<T>(values): Promise<Awaited<T>>

Defined in: node_modules/typescript/lib/lib.es2015.iterable.d.ts:261

Creates a Promise that is resolved or rejected when any of the provided Promises are resolved or rejected.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
values	Iterable<T | PromiseLike<T>>	An iterable of Promises.

Returns

Promise<Awaited<T>>

A new Promise.

Inherited from

Promise.race

Call Signature

static race<T>(values): Promise<Awaited<T[number]>>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:48

Creates a Promise that is resolved or rejected when any of the provided Promises are resolved or rejected.

Type Parameters

Type Parameter
T extends [] | readonly unknown[]

Parameters

Parameter	Type	Description
values	T	An array of Promises.

Returns

Promise<Awaited<T[number]>>

A new Promise.

Inherited from

Promise.race

---

reject()

static reject<T>(reason?): Promise<T>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:58

Creates a new rejected promise for the provided reason.

Type Parameters

Type Parameter	Default type
T	never

Parameters

Parameter	Type	Description
reason?	any	The reason the promise was rejected.

Returns

Promise<T>

A new rejected Promise.

Inherited from

Promise.reject

---

resolve()

Call Signature

static resolve(): Promise<void>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:64

Creates a new resolved promise.

Returns

Promise<void>

A resolved promise.

Inherited from

Promise.resolve

Call Signature

static resolve<T>(value): Promise<Awaited<T>>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:70

Creates a new resolved promise for the provided value.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
value	T	A promise.

Returns

Promise<Awaited<T>>

A promise whose internal state matches the provided promise.

Inherited from

Promise.resolve

Call Signature

static resolve<T>(value): Promise<Awaited<T>>

Defined in: node_modules/typescript/lib/lib.es2015.promise.d.ts:76

Creates a new resolved promise for the provided value.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type	Description
value	T | PromiseLike<T>	A promise.

Returns

Promise<Awaited<T>>

A promise whose internal state matches the provided promise.

Inherited from

Promise.resolve

---

try()

static try<T, U>(callbackFn, ...args): Promise<Awaited<T>>

Defined in: node_modules/typescript/lib/lib.es2025.promise.d.ts:31

Takes a callback of any kind (returns or throws, synchronously or asynchronously) and wraps its result in a Promise.

Type Parameters

Type Parameter
T
U extends unknown[]

Parameters

Parameter	Type	Description
callbackFn	(...args) => T | PromiseLike<T>	A function that is called synchronously. It can do anything: either return a value, throw an error, or return a promise.
...args	U	Additional arguments, that will be passed to the callback.

Returns

Promise<Awaited<T>>

A Promise that is:

• Already fulfilled, if the callback synchronously returns a value.
• Already rejected, if the callback synchronously throws an error.
• Asynchronously fulfilled or rejected, if the callback returns a promise.

Inherited from

Promise.try

---

withResolvers()

static withResolvers<T>(): PromiseWithResolvers<T>

Defined in: node_modules/typescript/lib/lib.es2024.promise.d.ts:32

Creates a new Promise and returns it in an object, along with its resolve and reject functions.

Type Parameters

Type Parameter
T

Returns

PromiseWithResolvers<T>

An object with the properties promise, resolve, and reject.

const { promise, resolve, reject } = Promise.withResolvers<T>();

Inherited from

Promise.withResolvers