Update checked-in dependencies
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node_modules/p-map/index.d.ts
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node_modules/p-map/index.d.ts
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declare namespace pMap {
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interface Options {
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/**
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Number of concurrently pending promises returned by `mapper`.
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export interface Options {
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/**
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Number of concurrently pending promises returned by `mapper`.
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Must be an integer from 1 and up or `Infinity`.
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Must be an integer from 1 and up or `Infinity`.
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@default Infinity
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*/
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readonly concurrency?: number;
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/**
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When set to `false`, instead of stopping when a promise rejects, it will wait for all the promises to settle and then reject with an [aggregated error](https://github.com/sindresorhus/aggregate-error) containing all the errors from the rejected promises.
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@default true
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*/
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readonly stopOnError?: boolean;
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}
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@default Infinity
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*/
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readonly concurrency?: number;
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/**
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Function which is called for every item in `input`. Expected to return a `Promise` or value.
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When `true`, the first mapper rejection will be rejected back to the consumer.
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@param element - Iterated element.
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@param index - Index of the element in the source array.
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When `false`, instead of stopping when a promise rejects, it will wait for all the promises to settle and then reject with an [aggregated error](https://github.com/sindresorhus/aggregate-error) containing all the errors from the rejected promises.
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Caveat: When `true`, any already-started async mappers will continue to run until they resolve or reject. In the case of infinite concurrency with sync iterables, *all* mappers are invoked on startup and will continue after the first rejection. [Issue #51](https://github.com/sindresorhus/p-map/issues/51) can be implemented for abort control.
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@default true
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*/
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type Mapper<Element = any, NewElement = unknown> = (
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element: Element,
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index: number
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) => NewElement | Promise<NewElement>;
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readonly stopOnError?: boolean;
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/**
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You can abort the promises using [`AbortController`](https://developer.mozilla.org/en-US/docs/Web/API/AbortController).
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**Requires Node.js 16 or later.*
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@example
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```
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import pMap from 'p-map';
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import delay from 'delay';
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const abortController = new AbortController();
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setTimeout(() => {
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abortController.abort();
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}, 500);
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const mapper = async value => value;
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await pMap([delay(1000), delay(1000)], mapper, {signal: abortController.signal});
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// Throws AbortError (DOMException) after 500 ms.
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```
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*/
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readonly signal?: AbortSignal;
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}
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type MaybePromise<T> = T | Promise<T>;
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/**
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@param input - Iterated over concurrently in the `mapper` function.
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Function which is called for every item in `input`. Expected to return a `Promise` or value.
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@param element - Iterated element.
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@param index - Index of the element in the source array.
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*/
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export type Mapper<Element = any, NewElement = unknown> = (
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element: Element,
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index: number
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) => MaybePromise<NewElement | typeof pMapSkip>;
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/**
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@param input - Synchronous or asynchronous iterable that is iterated over concurrently, calling the `mapper` function for each element. Each iterated item is `await`'d before the `mapper` is invoked so the iterable may return a `Promise` that resolves to an item. Asynchronous iterables (different from synchronous iterables that return `Promise` that resolves to an item) can be used when the next item may not be ready without waiting for an asynchronous process to complete and/or the end of the iterable may be reached after the asynchronous process completes. For example, reading from a remote queue when the queue has reached empty, or reading lines from a stream.
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@param mapper - Function which is called for every item in `input`. Expected to return a `Promise` or value.
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@returns A `Promise` that is fulfilled when all promises in `input` and ones returned from `mapper` are fulfilled, or rejects if any of the promises reject. The fulfilled value is an `Array` of the fulfilled values returned from `mapper` in `input` order.
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@example
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```
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import pMap = require('p-map');
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import got = require('got');
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import pMap from 'p-map';
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import got from 'got';
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const sites = [
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getWebsiteFromUsername('https://sindresorhus'), //=> Promise
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'https://ava.li',
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getWebsiteFromUsername('sindresorhus'), //=> Promise
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'https://avajs.dev',
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'https://github.com'
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];
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(async () => {
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const mapper = async site => {
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const {requestUrl} = await got.head(site);
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return requestUrl;
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};
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const mapper = async site => {
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const {requestUrl} = await got.head(site);
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return requestUrl;
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};
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const result = await pMap(sites, mapper, {concurrency: 2});
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const result = await pMap(sites, mapper, {concurrency: 2});
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console.log(result);
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//=> ['https://sindresorhus.com/', 'https://ava.li/', 'https://github.com/']
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})();
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console.log(result);
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//=> ['https://sindresorhus.com/', 'https://avajs.dev/', 'https://github.com/']
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```
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*/
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declare function pMap<Element, NewElement>(
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input: Iterable<Element>,
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mapper: pMap.Mapper<Element, NewElement>,
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options?: pMap.Options
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): Promise<NewElement[]>;
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export default function pMap<Element, NewElement>(
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input: AsyncIterable<Element | Promise<Element>> | Iterable<Element | Promise<Element>>,
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mapper: Mapper<Element, NewElement>,
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options?: Options
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): Promise<Array<Exclude<NewElement, typeof pMapSkip>>>;
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export = pMap;
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/**
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Return this value from a `mapper` function to skip including the value in the returned array.
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@example
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```
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import pMap, {pMapSkip} from 'p-map';
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import got from 'got';
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const sites = [
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getWebsiteFromUsername('sindresorhus'), //=> Promise
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'https://avajs.dev',
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'https://example.invalid',
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'https://github.com'
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];
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const mapper = async site => {
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try {
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const {requestUrl} = await got.head(site);
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return requestUrl;
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} catch {
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return pMapSkip;
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}
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};
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const result = await pMap(sites, mapper, {concurrency: 2});
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console.log(result);
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//=> ['https://sindresorhus.com/', 'https://avajs.dev/', 'https://github.com/']
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```
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*/
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export const pMapSkip: unique symbol;
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