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Variable: mapAsync()

const mapAsync: {<From, To>(fn): (asyncIterable) => AsyncIterable<To>; <From, To>(fn, asyncIterable): AsyncIterable<To>; <From, To>(fn): (asyncIterable) => AsyncIterable<To>; <From, To>(fn, asyncIterable): AsyncIterable<To>; }

Defined in: transforms.d.ts:71

Returns an async iterable containing the values of asyncIterable transformed by fn in iteration order.

Like Array.prototype.map, but for async iterables.

Call Signature

<From, To>(fn): (asyncIterable) => AsyncIterable<To>

Type Parameters

From

From

To

To extends [] | unknown[]

Parameters

fn

(value) => MaybePromiseLike<To>

Returns

(asyncIterable): AsyncIterable<To>

Parameters

asyncIterable

AsyncIterable<From>

Returns

AsyncIterable<To>

Call Signature

<From, To>(fn, asyncIterable): AsyncIterable<To>

Type Parameters

From

From

To

To extends [] | unknown[]

Parameters

fn

(value) => MaybePromiseLike<To>

asyncIterable

AsyncIterable<From>

Returns

AsyncIterable<To>

Call Signature

<From, To>(fn): (asyncIterable) => AsyncIterable<To>

Type Parameters

From

From

To

To

Parameters

fn

(value) => MaybePromiseLike<To>

Returns

(asyncIterable): AsyncIterable<To>

Parameters

asyncIterable

AsyncIterable<From>

Returns

AsyncIterable<To>

Call Signature

<From, To>(fn, asyncIterable): AsyncIterable<To>

Type Parameters

From

From

To

To

Parameters

fn

(value) => MaybePromiseLike<To>

asyncIterable

AsyncIterable<From>

Returns

AsyncIterable<To>

Example

import { asAsync, mapAsync, pipe, reduceAsync, toArray } from 'lfi'

const API_URL = `https://api.dictionaryapi.dev/api/v2/entries/en`

console.log(
await pipe(
asAsync([`sloth`, `lazy`, `sleep`]),
mapAsync(async word => {
const response = await fetch(`${API_URL}/${word}`)
return (await response.json())[0].phonetic
}),
reduceAsync(toArray()),
),
)
//=> [ '/slɑθ/', '/ˈleɪzi/', '/sliːp/' ]
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Since

v0.0.1