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@bemedev/pipe

v0.1.0

Published

A utility for creating and managing pipelines in Typescript.

Readme

@bemedev/pipe

N.B : Open all links in a new tab to avoid losing your place in the documentation.

Une bibliothèque élégante pour composer des fonctions en TypeScript. Simplifiez votre code en créant des pipelines de traitement typés et performants.

Installation

pnpm

pnpm install @bemedev/pipe

npm

npm install @bemedev/pipe

bun

bun add @bemedev/pipe

Utilisation

import { pipe } from '@bemedev/pipeline';

// Exemple simple
const add1 = (x: number) => x + 1;
const double = (x: number) => x * 2;

const piped = pipe(add1, double);
console.log(piped(2)); // Affiche 6 (= (2+1)*2)

// Exemple plus complexe
const processData = pipe(
  (x: number) => x + 1, // Ajoute 1
  x => x * 2, // Multiplie par 2
  x => x - 3, // Soustrait 3
  x => x / 2, // Divise par 2
  x => x ** 2, // Élève au carré
);

console.log(processData(2)); // Affiche 2.25 (= ((((2+1)*2)-3)/2)^2)

API

pipe(...fns)

Crée un pipeline de fonctions, où chaque fonction reçoit le résultat de la précédente.

Caractéristiques

  • Entièrement typé (jusqu'à 20 fonctions)
  • Performances optimisées
  • Support de TypeScript avec inférence de types

Exemples d'utilisation avancée

// Transformation de chaînes
const formatText = pipe(
  (s: string) => s.trim(),
  s => s.toUpperCase(),
  s => s + '!',
);
console.log(formatText('  hello ')); // Affiche "HELLO!"

// Manipulation d'objets
const enrichObject = pipe(
  (obj: { a: number }) => ({ ...obj, b: obj.a + 1 }),
  obj => ({ ...obj, c: obj.b * 2 }),
);
console.log(enrichObject({ a: 1 })); // Affiche { a: 1, b: 2, c: 4 }

pipe.notTyped(...fns)

Version non typée de pipe pour les cas où vous avez besoin de chaîner plus de 20 fonctions.

// Chaîner un grand nombre de fonctions
const addMany = pipe.notTyped(
  ...Array.from({ length: 100 }, () => (x: number) => x + 1),
);
console.log(addMany(0)); // Affiche 100

Types utilitaires

La bibliothèque exporte plusieurs types utiles:

  • Fn1: Type de base pour une fonction à un argument
  • NextFn<T>: Fonction prenant comme argument le type de retour de T
  • TupleOfLength<T, N>: Tuple de longueur N contenant des éléments de type T

CHANGELOG

CHANGE_LOG.md

Licence

MIT

Auteur

chlbri ([email protected])

My github

Liens