Get Started

Welcome to Bun Installation Quickstart TypeScript TypeScript 6 and 7

Watch Mode Debugging REPL bunfig.toml File Types Module Resolution JSX Auto-install Plugins File System Router

Cookies File I/O Streams Binary Data Archive SQL SQLite S3 Redis Workers Environment Variables Shell Spawn WebView Cron Node-API FFI C Compiler Transpiler CSRF Protection Secrets Console TOML YAML Markdown JSON5 JSONL HTMLRewriter Image Hashing Glob Semver Color Utils Globals Bun APIs Web APIs Node.js Compatibility

Standards & Compatibility

Module Resolution

How Bun resolves modules and handles imports in JavaScript and TypeScript

File Types

File types and loaders supported by Bun's bundler and runtime

JSX

Built-in JSX and TSX support in Bun with configurable transpilation options

On this page

Syntax Module systems Using require()Using import Using import and require() together Top level await Importing packages NODE_PATH Custom conditions Path re-mapping import.meta