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quick-lint-js: find JavaScript bugs
quick-lint-js
Find bugs in JavaScript programs.
Over 90× 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.
Your Cool App – Best IDE Ever
AwesomeApp.js
✕•
const occupation = language + " coder";
const language = "JavaScript";
occupation = "Senior " + occupation;
E0057 - use of undeclared variable: ocupationconsole.log(`Welcome, ${ocupationoccupation}!`);
2
10
JavaScript
Install quick-lint-js
Latest version: 3.2.0 (released )
Features
| feature | quick-lint-js | ESLint | JSHint | Biome | Deno |
|---|---|---|---|---|---|
| speed | 🚀 quick |
🐇 capable |
🐢 slow |
🚀 quick |
🐢 slow |
| easy setup |
✅ zero config |
❌ config or init
|
❌ config |
✅ config optional |
✅ zero config |
| easy npm install | ✅ | ✅ | ✅ | ✅ | ❌ |
| license | free GPLv3 |
open source MIT |
open source MIT |
open source MIT |
open source MIT |
| JSX |
✅ JSX |
✅ † JSX |
❌ |
✅ JSX |
✅ |
| TypeScript |
✅ TypeScript |
✅ † TypeScript |
❌ |
✅ TypeScript |
✅ |
| lint rules |
minimal lint rules |
zillions of lint rules |
some |
some lint rules |
some |
| stable | ✅ | ✅ | ✅ | ✅ | ✅ |
| feature | quick-lint-js | ESLint | JSHint | Biome | Deno |
VS Code
|
✅ | ✅ | ✅ | ✅ | ✅ |
Vim
|
✅ | ✅ | ✅ | ✅ | ✅ |
Neovim
|
✅ | ✅ | ✅ | ✅ | ✅ |
WebStorm
|
❌ | ✅ | ✅ | ✅ | ✅ |
Sublime Text
|
✅ | ✅ | ✅ | ❌ | ✅ |
| Notepad++ | ❌ | ✅ | ✅ | ❌ | ❌ |
Emacs
|
✅ | ✅ | ✅ | ❌ | ✅ |
Codespaces
|
❌ | ❌ | ❌ | ❌ | ❌ |
Kate
|
✅ | ❌ | ❌ | ❌ | ❌ |
| LSP server | ✅ | ✅ | ❌ | ✅ | ✅ |
† feature requires a plugin