Remeda

The first "data-first" and "data-last" utility library designed especially for TypeScript.

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Documentation

Read the full docs and API reference on remedajs.com/docs.

Migrating from other libraries? Check out our migration guides for Lodash and Ramda!

Interested in contributing? Read the contributing guide.

Features

- First-class TypeScript support, with types that are as specific as possible.
- Supports data-first (R.filter(array, fn)) and data-last (R.filter(fn)(array)) approaches.
- Lazy evaluation support with pipe and piped.
- Runtime and types are both extensively tested, with full code coverage.
- Tree-shakable, supports CJS and ESM.
- Fully documented with JSDoc, supports in-editor function documentation.

Getting started

$3

``bash
npm install remeda
pnpm add remeda
yarn add remeda
bun install remeda
deno add jsr:@remeda/remeda
`

$3

`js
// Import everything:
import * as R from "remeda";

// Or import methods individually:
// import { pipe, tap, unique, take } from "remeda";

R.pipe(
[1, 2, 2, 3, 3, 4, 5, 6],
R.tap((value) => console.log(Got ${value})),
R.unique(),
R.take(3),
); // => [1, 2, 3]

// Console output:
// Got 1
// Got 2
// Got 2
// Got 3
``

$3

Questions, bug reports, and feature requests are tracked in GitHub issues.

Contributors

Made with contrib.rocks.