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Documentation Index

Fetch the complete documentation index at: https://extension.js.org/llms.txt

Use this file to discover all available pages before exploring further.

Connect Extension.js with formatting, linting, CSS tooling, and UI component workflows used in modern web projects.

Choose by need

NeedStart here
Add custom transforms beyond SWC (Speedy Web Compiler)Babel
Enforce code-quality rulesESLint
Keep formatting consistentPrettier
Transform CSS with pluginsPostCSS
Lint stylesheets in continuous integration (CI)Stylelint
Build composable UI primitivesshadcn/ui
Utility-first styling systemTailwind CSS

Practical integration order

  1. Add baseline quality tools: ESLint + Prettier.
  2. Add style tooling: PostCSS + Stylelint (and Tailwind if needed).
  3. Add framework-specific tooling only when required.

Next steps

Video walkthrough