@types/async
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TypeScript definitions for async
730 lines (675 loc) • 26.8 kB
TypeScript
export as namespace async;
export interface Dictionary<T> {
[key: string]: T;
}
export type IterableCollection<T> = T[] | IterableIterator<T> | AsyncIterable<T> | Dictionary<T>;
export interface ErrorCallback<E = Error> {
(err?: E | null): void;
}
export interface AsyncBooleanResultCallback<E = Error> {
(err?: E | null, truthValue?: boolean): void;
}
export interface AsyncResultCallback<T, E = Error> {
(err?: E | null, result?: T): void;
}
export interface AsyncResultArrayCallback<T, E = Error> {
(err?: E | null, results?: Array<T | undefined>): void;
}
export interface AsyncResultObjectCallback<T, E = Error> {
(err: E | undefined, results: Dictionary<T | undefined>): void;
}
export interface AsyncResultRestCallback<T, E = Error> {
(err?: E | null, ...results: T[]): void;
}
export interface AsyncFunction<T, E = Error> {
(callback: (err?: E | null, result?: T) => void): void;
}
export interface AsyncFunctionEx<T, E = Error> {
(callback: (err?: E | null, ...results: T[]) => void): void;
}
export interface AsyncIterator<T, E = Error> {
(item: T, callback: ErrorCallback<E>): void;
}
export interface AsyncForEachOfIterator<T, E = Error> {
(item: T, key: number | string, callback: ErrorCallback<E>): void;
}
export interface AsyncResultIterator<T, R, E = Error> {
(item: T, callback: AsyncResultCallback<R, E>): void;
}
export interface AsyncResultIteratorPromise<T, R> {
(item: T): Promise<R>;
}
export interface AsyncMemoIterator<T, R, E = Error> {
(memo: R | undefined, item: T, callback: AsyncResultCallback<R, E>): void;
}
export interface AsyncBooleanIterator<T, E = Error> {
(item: T, callback: AsyncBooleanResultCallback<E>): void;
}
export interface AsyncWorker<T, E = Error> {
(task: T, callback: ErrorCallback<E>): void;
}
export interface AsyncVoidFunction<E = Error> {
(callback: ErrorCallback<E>): void;
}
export type AsyncAutoTasks<R extends Dictionary<any>, E> = { [K in keyof R]: AsyncAutoTask<R[K], R, E> };
export type AsyncAutoTask<R1, R extends Dictionary<any>, E> =
| AsyncAutoTaskFunctionWithoutDependencies<R1, E>
| Array<keyof R | AsyncAutoTaskFunction<R1, R, E>>;
export interface AsyncAutoTaskFunctionWithoutDependencies<R1, E = Error> {
(cb: AsyncResultCallback<R1, E> | ErrorCallback<E>): void;
}
export interface AsyncAutoTaskFunction<R1, R extends Dictionary<any>, E = Error> {
(results: R, cb: AsyncResultCallback<R1, E> | ErrorCallback<E>): void;
}
export interface DataContainer<T> {
data: T;
priority: number;
}
export interface CallbackContainer {
callback: Function;
}
export interface PriorityContainer {
priority: number;
}
export interface QueueObject<T> {
/**
* Returns the number of items waiting to be processed.
*/
length(): number;
/**
* Indicates whether or not any items have been pushed and processed by the queue.
*/
started: boolean;
/**
* Returns the number of items currently being processed.
*/
running(): number;
/**
* Returns an array of items currently being processed.
*/
workersList<TWorker extends DataContainer<T>, CallbackContainer>(): TWorker[];
/**
* Returns false if there are items waiting or being processed, or true if not.
*/
idle(): boolean;
/**
* An integer for determining how many worker functions should be run in parallel.
* This property can be changed after a queue is created to alter the concurrency on-the-fly.
*/
concurrency: number;
/**
* An integer that specifies how many items are passed to the worker function at a time.
* Only applies if this is a cargo object
*/
payload: number;
/**
* Add a new task to the queue. Calls `callback` once the worker has finished
* processing the task.
*
* Instead of a single task, a tasks array can be submitted.
* The respective callback is used for every task in the list.
*/
push<R>(task: T | T[]): Promise<R>;
push<R, E = Error>(task: T | T[], callback: AsyncResultCallback<R, E>): void;
/**
* Add a new task to the front of the queue
*/
unshift<R>(task: T | T[]): Promise<R>;
unshift<R, E = Error>(task: T | T[], callback: AsyncResultCallback<R, E>): void;
/**
* The same as `q.push`, except this returns a promise that rejects if an error occurs.
* The `callback` arg is ignored
*/
pushAsync<R>(task: T | T[]): Promise<R>;
/**
* The same as `q.unshift`, except this returns a promise that rejects if an error occurs.
* The `callback` arg is ignored
*/
unshiftAsync<R>(task: T | T[]): Promise<R>;
/**
* Remove items from the queue that match a test function.
* The test function will be passed an object with a `data` property,
* and a `priority` property, if this is a `priorityQueue` object.
*/
remove(filter: (node: DataContainer<T>) => boolean): void;
/**
* A function that sets a callback that is called when the number of
* running workers hits the `concurrency` limit, and further tasks will be
* queued.
*
* If the callback is omitted, `q.saturated()` returns a promise
* for the next occurrence.
*/
saturated(): Promise<void>;
saturated(handler: () => void): void;
/**
* A function that sets a callback that is called when the number
* of running workers is less than the `concurrency` & `buffer` limits,
* and further tasks will not be queued
*
* If the callback is omitted, `q.unsaturated()` returns a promise
* for the next occurrence.
*/
unsaturated(): Promise<void>;
unsaturated(handler: () => void): void;
/**
* A minimum threshold buffer in order to say that the `queue` is `unsaturated`.
*/
buffer: number;
/**
* A function that sets a callback that is called when the last item from the `queue`
* is given to a `worker`.
*
* If the callback is omitted, `q.empty()` returns a promise for the next occurrence.
*/
empty(): Promise<void>;
empty(handler: () => void): void;
/**
* A function that sets a callback that is called when the last item from
* the `queue` has returned from the `worker`.
*
* If the callback is omitted, `q.drain()` returns a promise for the next occurrence.
*/
drain(): Promise<void>;
drain(handler: () => void): void;
/**
* A function that sets a callback that is called when a task errors.
*
* If the callback is omitted, `q.error()` returns a promise that rejects on the next error.
*/
error(): Promise<never>;
error(handler: (error: Error, task: T) => void): void;
/**
* A boolean for determining whether the queue is in a paused state.
*/
paused: boolean;
/**
* A function that pauses the processing of tasks until `q.resume()` is called.
*/
pause(): void;
/**
* A function that resumes the processing of queued tasks when the queue
* is paused.
*/
resume(): void;
/**
* A function that removes the drain callback and empties remaining tasks
* from the queue forcing it to go idle. No more tasks should be pushed to
* the queue after calling this function.
*/
kill(): void;
}
/**
* A priorityQueue object to manage the tasks.
*
* There are two differences between queue and priorityQueue objects:
* - `push(task, priority, [callback])` — priority should be a number. If an array of tasks is given, all tasks will be assigned the same priority.
* - The `unshift` method was removed.
*/
// FIXME: can not use Omit due to ts version restriction. Replace Pick with Omit, when ts 3.5+ will be allowed
export interface AsyncPriorityQueue<T> extends Pick<QueueObject<T>, Exclude<keyof QueueObject<T>, "push" | "unshift">> {
push<R>(task: T | T[], priority?: number): Promise<R>;
push<R, E = Error>(task: T | T[], priority: number, callback: AsyncResultCallback<R, E>): void;
}
/**
* @deprecated this is a type that left here for backward compatibility.
* Please use QueueObject instead
*/
export type AsyncQueue<T> = QueueObject<T>;
/**
* @deprecated this is a type that left here for backward compatibility.
* Please use QueueObject instead
*/
export type AsyncCargoQueue<T = any> = QueueObject<T>;
// Collections
export function each<T, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncIterator<T, E>,
callback: ErrorCallback<E>,
): void;
export function each<T, E = Error>(arr: IterableCollection<T>, iterator: AsyncIterator<T, E>): Promise<void>;
export const eachSeries: typeof each;
export function eachLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncIterator<T, E>,
callback: ErrorCallback<E>,
): void;
export function eachLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncIterator<T, E>,
): Promise<void>;
export const forEach: typeof each;
export const forEachSeries: typeof each;
export const forEachLimit: typeof eachLimit;
export function forEachOf<T, E = Error>(
obj: IterableCollection<T>,
iterator: AsyncForEachOfIterator<T, E>,
callback: ErrorCallback<E>,
): void;
export function forEachOf<T, E = Error>(
obj: IterableCollection<T>,
iterator: AsyncForEachOfIterator<T, E>,
): Promise<void>;
export const forEachOfSeries: typeof forEachOf;
export function forEachOfLimit<T, E = Error>(
obj: IterableCollection<T>,
limit: number,
iterator: AsyncForEachOfIterator<T, E>,
callback: ErrorCallback<E>,
): void;
export function forEachOfLimit<T, E = Error>(
obj: IterableCollection<T>,
limit: number,
iterator: AsyncForEachOfIterator<T, E>,
): Promise<void>;
export const eachOf: typeof forEachOf;
export const eachOfSeries: typeof forEachOf;
export const eachOfLimit: typeof forEachOfLimit;
export function map<T, R, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncResultIterator<T, R, E> | AsyncResultIteratorPromise<T, R>,
callback: AsyncResultArrayCallback<R, E>,
): void;
export function map<T, R, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncResultIterator<T, R, E> | AsyncResultIteratorPromise<T, R>,
): Promise<R[]>;
export const mapSeries: typeof map;
export function mapLimit<T, R, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, R, E> | AsyncResultIteratorPromise<T, R>,
callback: AsyncResultArrayCallback<R, E>,
): void;
export function mapLimit<T, R, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, R, E> | AsyncResultIteratorPromise<T, R>,
): Promise<R[]>;
export function mapValuesLimit<T, R, E = Error>(
obj: Dictionary<T>,
limit: number,
iteratee: (value: T, key: string, callback: AsyncResultCallback<R, E>) => void,
callback: AsyncResultObjectCallback<R, E>,
): void;
export function mapValuesLimit<T, R, E = Error>(
obj: Dictionary<T>,
limit: number,
iteratee: (value: T, key: string, callback: AsyncResultCallback<R, E>) => void,
): Promise<R>;
export function mapValues<T, R, E = Error>(
obj: Dictionary<T>,
iteratee: (value: T, key: string, callback: AsyncResultCallback<R, E>) => void,
callback: AsyncResultObjectCallback<R, E>,
): void;
export function mapValues<T, R, E = Error, C = unknown>(
obj: Dictionary<T>,
iteratee: (
value: T,
key: string,
callback: C extends undefined ? never : AsyncResultCallback<R, E>,
// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
) => C extends undefined ? Promise<R> : void,
): Promise<Dictionary<R>>;
export const mapValuesSeries: typeof mapValues;
export function filter<T, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function filter<T, E = Error>(arr: IterableCollection<T>, iterator: AsyncBooleanIterator<T, E>): Promise<T[]>;
export const filterSeries: typeof filter;
export function filterLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function filterLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
): Promise<T[]>;
export const select: typeof filter;
export const selectSeries: typeof filter;
export const selectLimit: typeof filterLimit;
export const reject: typeof filter;
export const rejectSeries: typeof filter;
export const rejectLimit: typeof filterLimit;
export function reduce<T, R, E = Error>(
arr: T[] | IterableIterator<T>,
memo: R,
iterator: AsyncMemoIterator<T, R, E>,
callback: AsyncResultCallback<R, E>,
): void;
export function reduce<T, R, E = Error>(
arr: T[] | IterableIterator<T>,
memo: R,
iterator: AsyncMemoIterator<T, R, E>,
): Promise<R>;
export const inject: typeof reduce;
export const foldl: typeof reduce;
export const reduceRight: typeof reduce;
export const foldr: typeof reduce;
export function detect<T, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncResultCallback<T, E>,
): void;
export function detect<T, E = Error>(arr: IterableCollection<T>, iterator: AsyncBooleanIterator<T, E>): Promise<T>;
export const detectSeries: typeof detect;
export function detectLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncResultCallback<T, E>,
): void;
export function detectLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
): Promise<T>;
export const find: typeof detect;
export const findSeries: typeof detect;
export const findLimit: typeof detectLimit;
export function sortBy<T, V, E = Error>(
arr: T[] | IterableIterator<T>,
iterator: AsyncResultIterator<T, V, E>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function sortBy<T, V, E = Error>(
arr: T[] | IterableIterator<T>,
iterator: AsyncResultIterator<T, V, E>,
): Promise<T[]>;
export function some<T, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncBooleanResultCallback<E>,
): void;
export function some<T, E = Error>(arr: IterableCollection<T>, iterator: AsyncBooleanIterator<T, E>): Promise<boolean>;
export const someSeries: typeof some;
export function someLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
callback?: AsyncBooleanResultCallback<E>,
): void;
export const any: typeof some;
export const anySeries: typeof someSeries;
export const anyLimit: typeof someLimit;
export function every<T, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncBooleanResultCallback<E>,
): void;
export function every<T, E = Error>(arr: IterableCollection<T>, iterator: AsyncBooleanIterator<T, E>): Promise<boolean>;
export const everySeries: typeof every;
export function everyLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
callback: AsyncBooleanResultCallback<E>,
): void;
export function everyLimit<T, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncBooleanIterator<T, E>,
): Promise<boolean>;
export const all: typeof every;
export const allSeries: typeof every;
export const allLimit: typeof everyLimit;
export function concat<T, R, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncResultIterator<T, R[], E>,
callback: AsyncResultArrayCallback<R, E>,
): void;
export function concat<T, R, E = Error>(
arr: IterableCollection<T>,
iterator: AsyncResultIterator<T, R[], E>,
): Promise<R[]>;
export function concatLimit<T, R, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, R[], E>,
callback: AsyncResultArrayCallback<R, E>,
): void;
export function concatLimit<T, R, E = Error>(
arr: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, R[], E>,
): Promise<R[]>;
export const concatSeries: typeof concat;
export const flatMap: typeof concat;
export const flatMapLimit: typeof concatLimit;
export const flatMapSeries: typeof concatSeries;
export function groupBy<T, K, E = Error>(
iterable: IterableCollection<T>,
iterator: AsyncResultIterator<T, K, E>,
callback: AsyncResultCallback<Record<string, T[]>, E>,
): void;
export function groupBy<T, K, E = Error>(
iterable: IterableCollection<T>,
iterator: AsyncResultIterator<T, K, E>,
): Promise<Record<string, T[]>>;
export function groupByLimit<T, K, E = Error>(
iterable: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, K, E>,
callback: AsyncResultCallback<Record<string, T[]>, E>,
): void;
export function groupByLimit<T, K, E = Error>(
iterable: IterableCollection<T>,
limit: number,
iterator: AsyncResultIterator<T, K, E>,
): Promise<Record<string, T[]>>;
export const groupBySeries: typeof groupBy;
// Control Flow
export function series<T, E = Error>(tasks: Array<AsyncFunction<T, E>>, callback: AsyncResultArrayCallback<T, E>): void;
export function series<T, E = Error>(
tasks: Dictionary<AsyncFunction<T, E>>,
callback: AsyncResultObjectCallback<T, E>,
): void;
export function series<T, E = Error>(tasks: Array<AsyncFunction<T, E>>): Promise<T[]>;
export function series<T, E = Error>(tasks: Dictionary<AsyncFunction<T, E>>): Promise<Dictionary<T>>;
export function parallel<T, E = Error>(
tasks: Array<AsyncFunction<T, E>>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function parallel<T, E = Error>(
tasks: Dictionary<AsyncFunction<T, E>>,
callback: AsyncResultObjectCallback<T, E>,
): void;
export function parallel<T, R, E = Error>(
tasks: Array<AsyncFunction<T, E>> | Dictionary<AsyncFunction<T, E>>,
): Promise<R>;
export function parallelLimit<T, E = Error>(
tasks: Array<AsyncFunction<T, E>>,
limit: number,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function parallelLimit<T, E = Error>(
tasks: Dictionary<AsyncFunction<T, E>>,
limit: number,
callback: AsyncResultObjectCallback<T, E>,
): void;
export function parallelLimit<T, R, E = Error>(
tasks: Array<AsyncFunction<T, E>> | Dictionary<AsyncFunction<T, E>>,
limit: number,
): Promise<R>;
export function whilst<T, E = Error>(
test: (cb: AsyncBooleanResultCallback) => void,
fn: AsyncFunctionEx<T, E>,
callback: AsyncResultRestCallback<T, E>,
): void;
export function whilst<T, R, E = Error>(
test: (cb: AsyncBooleanResultCallback) => void,
fn: AsyncFunctionEx<T, E>,
): Promise<R>;
export function doWhilst<T, E = Error>(
fn: AsyncFunctionEx<T, E>,
test: (/* ...results: T[], */ cb: AsyncBooleanResultCallback) => void,
callback: AsyncResultRestCallback<T, E>,
): void;
export function doWhilst<T, R, E = Error>(
fn: AsyncFunctionEx<T, E>,
test: (/* ...results: T[], */ cb: AsyncBooleanResultCallback) => void,
): Promise<R>;
export function until<T, E = Error>(
test: (cb: AsyncBooleanResultCallback) => void,
fn: AsyncFunctionEx<T, E>,
callback: AsyncResultRestCallback<T, E>,
): void;
export function until<T, R, E = Error>(
test: (cb: AsyncBooleanResultCallback) => void,
fn: AsyncFunctionEx<T, E>,
): Promise<R>;
export function doUntil<T, E = Error>(
fn: AsyncFunctionEx<T, E>,
test: (/* ...results: T[], */ cb: AsyncBooleanResultCallback) => void,
callback: AsyncResultRestCallback<T, E>,
): void;
export function doUntil<T, R, E = Error>(
fn: AsyncFunctionEx<T, E>,
test: (/* ...results: T[], */ cb: AsyncBooleanResultCallback) => void,
): Promise<R>;
export function during<E = Error>(
test: (testCallback: AsyncBooleanResultCallback<E>) => void,
fn: AsyncVoidFunction<E>,
callback: ErrorCallback<E>,
): void;
export function doDuring<E = Error>(
fn: AsyncVoidFunction<E>,
test: (testCallback: AsyncBooleanResultCallback<E>) => void,
callback: ErrorCallback<E>,
): void;
export function forever<E = Error>(next: (next: ErrorCallback<E>) => void, errBack: ErrorCallback<E>): void;
export function waterfall<T>(tasks: Function[]): Promise<T>;
export function waterfall<T, E = Error>(tasks: Function[], callback: AsyncResultCallback<T, E>): void;
export function compose(...fns: Function[]): Function;
export function seq(...fns: Function[]): Function;
export function applyEach(fns: Function[], ...argsAndCallback: any[]): void; // applyEach(fns, args..., callback). TS does not support ... for a middle argument. Callback is optional.
export function applyEachSeries(fns: Function[], ...argsAndCallback: any[]): void; // applyEachSeries(fns, args..., callback). TS does not support ... for a middle argument. Callback is optional.
export function queue<T, E = Error>(worker: AsyncWorker<T, E>, concurrency?: number): QueueObject<T>;
export function queue<T, R, E = Error>(worker: AsyncResultIterator<T, R, E>, concurrency?: number): QueueObject<T>;
export function priorityQueue<T, E = Error>(worker: AsyncWorker<T, E>, concurrency?: number): AsyncPriorityQueue<T>;
export function cargo<T, E = Error>(worker: AsyncWorker<T[], E>, payload?: number): QueueObject<T>;
export function cargoQueue<T, E = Error>(
worker: AsyncWorker<T[], E>,
concurrency?: number,
payload?: number,
): QueueObject<T>;
export function auto<R extends Dictionary<any>, E = Error>(
tasks: AsyncAutoTasks<R, E>,
concurrency?: number,
): Promise<R>;
export function auto<R extends Dictionary<any>, E = Error>(
tasks: AsyncAutoTasks<R, E>,
concurrency: number,
callback: AsyncResultCallback<R, E>,
): void;
export function auto<R extends Dictionary<any>, E = Error>(
tasks: AsyncAutoTasks<R, E>,
callback: AsyncResultCallback<R, E>,
): void;
export function autoInject<E = Error>(tasks: any, callback?: AsyncResultCallback<any, E>): void;
export interface RetryOptions<E> {
times?: number | undefined;
interval?: number | ((retryCount: number) => number) | undefined;
errorFilter?: ((error: E) => boolean) | undefined;
}
export function retry<T, E = Error>(
task: (() => Promise<T>) | ((callback: AsyncResultCallback<T, E>) => void),
): Promise<T>;
export function retry<T, E = Error>(
opts: number | RetryOptions<E>,
task: (() => Promise<T>) | ((callback: AsyncResultCallback<T, E>) => void),
): Promise<T>;
export function retry<T, E = Error>(
task: (() => Promise<T>) | ((callback: AsyncResultCallback<T, E>) => void),
callback: AsyncResultCallback<T, E>,
): void;
export function retry<T, E = Error>(
opts: number | RetryOptions<E>,
task: (() => Promise<T>) | ((callback: AsyncResultCallback<T, E>) => void),
callback: AsyncResultCallback<T, E>,
): void;
export function retryable<T, E = Error>(task: AsyncFunction<T, E>): AsyncFunction<T, E>;
export function retryable<T, E = Error>(
opts: number | (RetryOptions<E> & { arity?: number | undefined }),
task: AsyncFunction<T, E>,
): AsyncFunction<T, E>;
export function apply<E = Error>(fn: Function, ...args: any[]): AsyncFunction<any, E>;
export function nextTick(callback: Function, ...args: any[]): void;
export const setImmediate: typeof nextTick;
export function reflect<T, E = Error>(
fn: AsyncFunction<T, E>,
): (callback: (err: null, result: { error?: E | undefined; value?: T | undefined }) => void) => void;
export function reflectAll<T, E = Error>(
tasks: Array<AsyncFunction<T, E>>,
): Array<(callback: (err: null, result: { error?: E | undefined; value?: T | undefined }) => void) => void>;
export function timeout<T, E = Error>(fn: AsyncFunction<T, E>, milliseconds: number, info?: any): AsyncFunction<T, E>;
export function timeout<T, R, E = Error>(
fn: AsyncResultIterator<T, R, E>,
milliseconds: number,
info?: any,
): AsyncResultIterator<T, R, E>;
export function times<T, E = Error>(
n: number,
iterator: AsyncResultIterator<number, T, E> | AsyncResultIteratorPromise<number, T>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function times<T, E = Error>(
n: number,
iterator: AsyncResultIterator<number, T, E> | AsyncResultIteratorPromise<number, T>,
): Promise<T>;
export const timesSeries: typeof times;
export function timesLimit<T, E = Error>(
n: number,
limit: number,
iterator: AsyncResultIterator<number, T, E> | AsyncResultIteratorPromise<number, T>,
callback: AsyncResultArrayCallback<T, E>,
): void;
export function timesLimit<T, E = Error>(
n: number,
limit: number,
iterator: AsyncResultIterator<number, T, E> | AsyncResultIteratorPromise<number, T>,
): Promise<T>;
export function transform<T, R, E = Error>(
arr: T[],
iteratee: (acc: R[], item: T, key: number, callback: (error?: E) => void) => void,
callback?: AsyncResultArrayCallback<T, E>,
): void;
export function transform<T, R, E = Error>(
arr: T[],
acc: R[],
iteratee: (acc: R[], item: T, key: number, callback: (error?: E) => void) => void,
callback?: AsyncResultArrayCallback<T, E>,
): void;
export function transform<T, R, E = Error>(
arr: { [key: string]: T },
iteratee: (acc: { [key: string]: R }, item: T, key: string, callback: (error?: E) => void) => void,
callback?: AsyncResultObjectCallback<T, E>,
): void;
export function transform<T, R, E = Error>(
arr: { [key: string]: T },
acc: { [key: string]: R },
iteratee: (acc: { [key: string]: R }, item: T, key: string, callback: (error?: E) => void) => void,
callback?: AsyncResultObjectCallback<T, E>,
): void;
export function race<T, E = Error>(tasks: Array<AsyncFunction<T, E>>, callback: AsyncResultCallback<T, E>): void;
export function tryEach<T, E = Error>(
tasks: IterableCollection<AsyncFunction<T>>,
callback: AsyncResultCallback<T, E>,
): void;
export function tryEach<T>(tasks: IterableCollection<AsyncFunction<T>>): Promise<T>;
// Utils
export function memoize(fn: Function, hasher?: Function): Function;
export function unmemoize(fn: Function): Function;
export function ensureAsync(fn: (...argsAndCallback: any[]) => void): Function;
export function constant(...values: any[]): AsyncFunction<any>;
export function asyncify(fn: Function): (...args: any[]) => any;
export function wrapSync(fn: Function): Function;
export function log(fn: Function, ...args: any[]): void;
export function dir(fn: Function, ...args: any[]): void;