Remeda
The first "data-first" and "data-last" utility library designed especially for TypeScript.
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
pipeandpiped. - 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
Installation
npm install remeda
pnpm add remeda
yarn add remeda
bun install remedaUsage
// 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 3Getting help
Questions, bug reports, and feature requests are tracked in GitHub issues.