source: imaps-frontend/node_modules/p-locate/index.d.ts

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Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

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1declare namespace pLocate {
2 interface Options {
3 /**
4 Number of concurrently pending promises returned by `tester`. Minimum: `1`.
5
6 @default Infinity
7 */
8 readonly concurrency?: number;
9
10 /**
11 Preserve `input` order when searching.
12
13 Disable this to improve performance if you don't care about the order.
14
15 @default true
16 */
17 readonly preserveOrder?: boolean;
18 }
19}
20
21/**
22Get the first fulfilled promise that satisfies the provided testing function.
23
24@param input - An iterable of promises/values to test.
25@param tester - This function will receive resolved values from `input` and is expected to return a `Promise<boolean>` or `boolean`.
26@returns A `Promise` that is fulfilled when `tester` resolves to `true` or the iterable is done, or rejects if any of the promises reject. The fulfilled value is the current iterable value or `undefined` if `tester` never resolved to `true`.
27
28@example
29```
30import pathExists = require('path-exists');
31import pLocate = require('p-locate');
32
33const files = [
34 'unicorn.png',
35 'rainbow.png', // Only this one actually exists on disk
36 'pony.png'
37];
38
39(async () => {
40 const foundPath = await pLocate(files, file => pathExists(file));
41
42 console.log(foundPath);
43 //=> 'rainbow'
44})();
45```
46*/
47declare function pLocate<ValueType>(
48 input: Iterable<PromiseLike<ValueType> | ValueType>,
49 tester: (element: ValueType) => PromiseLike<boolean> | boolean,
50 options?: pLocate.Options
51): Promise<ValueType | undefined>;
52
53export = pLocate;
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