quick-lint-js

quick-lint-js finds bugs in JavaScript programs.

200× faster than ESLint, quick-lint-js gives you instant feedback as you code. Find bugs in your JavaScript before your finger leaves the keyboard. Lint any JavaScript file with no configuration.

Try it out in your browser.

quick-lint-js running in Visual Studio Code

Install quick-lint-js

Latest version: 0.5.0 (beta) (released )

see all installation options

Features

feature quick-lint-js ESLint JSHint RSLint Deno
speed 🚀
quick
🐇
capable
🐢
slow
🐇
capable
🐢
slow
license free
GPLv3
open source
MIT
open source
MIT
open source
MIT
open source
MIT
easy npm install  *
easy setup
zero config

config or init

config

config optional

zero config
JSX  *  †  *
TypeScript  *    *
lint rules minimal zillions some some some
stable
feature quick-lint-js ESLint JSHint RSLint Deno
VS Code
Vim
WebStorm
Sublime Text  *
Notepad++
Atom
Emacs
Codespaces
LSP server

* feature is planned

feature requires a plugin