Babel

1. Usage Guide

   Setting up Babel with CLI, config and presets.

2. Configuration

   babel.config.json, .babelrc and overrides.

3. Config Files

   Project-wide, file-relative configs and monorepos.

4. Presets

   Preset concept and ordering.

5. preset-env

   Targets, browserslist and polyfill injection.

6. React and TypeScript Presets

   JSX and TypeScript transforms.

7. Plugins

   Syntax and transform plugins and ordering.

8. transform-runtime and Polyfills

   Helper reuse and core-js polyfilling.

9. Options

   Full option reference.

10. Babel CLI

    Command-line compile options.

11. Core API

    transform, parse and programmatic APIs.

12. Plugin Development

    Writing plugins with visitors and AST traversal.

13. Parser and Traverse

    AST generation and traversal.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.