Variable: indexConcur()

const indexConcur: <Value>(concurIterable) => ConcurIterable<[number, Value]>

Defined in: transforms.d.ts:527

Returns a concur iterable equivalent to concurIterable except each value of concurIterable is placed in an entry containing the value's 0-based index in the iteration order followed by the value itself.

Type Parameters

Value

Value

Parameters

concurIterable

ConcurIterable<Value>

Returns

ConcurIterable<[number, Value]>

Example

import { asConcur, indexConcur, joinConcur, mapConcur, pipe } from 'lfi'

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

console.log(
  await pipe(
    asConcur([`sloth`, `lazy`, `sleep`]),
    mapConcur(async word => {
      const response = await fetch(`${API_URL}/${word}`)
      return (await response.json())[0].phonetic
    }),
    indexConcur,
    mapConcur(([index, word]) => `${index + 1}. ${word}`),
    joinConcur(`\n`),
  ),
)
// NOTE: This order may change between runs
//=> 1. /slɑθ/
//=> 2. /ˈleɪzi/
//=> 3. /sliːp/

Playground

Since

v2.0.0