Fullstack dev server Hot reloading HTML & static sites Standalone HTML CSS Loaders Single-file executable Plugins Macros Bytecode Caching Minifier esbuild

Macros

Run JavaScript functions at bundle-time with Bun macros

Plugins

Universal plugin API for extending Bun's runtime and bundler

Bytecode Caching

Speed up JavaScript execution with bytecode caching in Bun's bundler

On this page

When to use macros Import attributes Security considerations Export condition "macro"Execution Dead code elimination Serializability Arguments Examples Embed latest git commit hash Make fetch() requests at bundle-time