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Function: uniqueConcur()

uniqueConcur<Value>(concurIterable): ConcurIterable<Value>

Returns a concur iterable containing the values of concurIterable in iteration order, except values are deduplicated if they are equal using Object.is.

Type Parameters​

• Value

Parameters​

concurIterable​

ConcurIterable<Value>

Returns​

ConcurIterable<Value>

Example​

import { asConcur, flatMapConcur, map, pipe, reduceConcur, toArray, uniqueConcur } from 'lfi'

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

console.log(
  await pipe(
    asConcur([`sloth`, `lazy`, `sleep`]),
    flatMapConcur(async word => {
      const response = await fetch(`${API_URL}/${word}`)
      const [{ meanings }] = await response.json()
      return map(meaning => meaning.partOfSpeech, meanings)
    }),
    uniqueConcur,
    reduceConcur(toArray()),
  ),
)
// NOTE: This order may change between runs
//=> [ 'noun', 'verb', 'adjective' ]
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Since​

v0.0.2

Defined in​

filters.d.ts:610