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

Hot reloading

Hot Module Replacement (HMR) for Bun's development server

Fullstack dev server

Build fullstack applications with Bun's integrated dev server that bundles frontend assets and handles API routes

HTML & static sites

Build static sites, landing pages, and web applications with Bun's bundler

On this page

import.meta.hot API Reference API Methods import.meta.hot.accept()With callback Accepting other modules With multiple dependencies import.meta.hot.data import.meta.hot.dispose()import.meta.hot.prune()import.meta.hot.on() and off()Built-in events