Assembly Line

es-toolkit

A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller, a major upgrade to lodash.

es-toolkit is an open-source libraries and runtimes project on GitHub under the MIT license (permissive), with 11k stars. It is built with TypeScript and V8. Its last push was today.

Stars
11k
License
MIT
Activity
Active
Latest release
v1.53.1

Code on GitHub Website

Replaces Lodash: why es-toolkit is the better choice, and when it is not.

Judgement

What it is
Building block
What it does
A TypeScript utility library from Toss with modern equivalents of Lodash functions that are smaller and faster, plus a compatibility layer for migrating from Lodash.
Adopt it when
You are starting a new JavaScript project or trimming bundle size and want Lodash-style helpers with built-in types.
Watch out
The Lodash compatibility layer does not match every edge case, so test before swapping it in.
Ready for
Production-ready
Runs as
Library
Built with
TypeScript
How established
Established: started 2 years ago, latest release v1.53.1.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

TypeScriptV8

Follow it down: es-toolkit → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.