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

Debugging

Debug your Bun code with an interactive debugger using WebKit Inspector Protocol

Watch Mode

Automatic reloading in Bun with --watch and --hot modes

REPL

An interactive JavaScript and TypeScript REPL with syntax highlighting, history, and tab completion

On this page

Debugging JavaScript and TypeScript --inspect --inspect-brk --inspect-wait Setting a port or URL for the debugger Debuggers debug.bun.sh Visual Studio Code Debugger Debugging Network Requests Print fetch & node:http requests as curl commands Stacktraces & sourcemaps Syntax-highlighted source code preview V8 Stack Traces V8 Stack Trace API Error.prepareStackTrace Error.captureStackTrace(error, startFn)