Hello Bun 1.3

1.txt

$bun upgrade

Bun v1.3.0 is out! You're on v1.2.4
[6.15s] Upgraded.

Welcome to Bun v1.3.0!

What's new in Bun v1.3.0:

    https://bun.sh/blog/release-notes/bun-v1.3.0

Report any bugs:

    https://github.com/oven-sh/bun/issues

Commit log:

    https://github.com/oven-sh/bun/compare/bun-v1.2.4...bun-v1.3.0

2.txt

$bun init

✓ Select a project template: React
✓ Select a React template: Default (blank)

 + CLAUDE.md
 + .cursor/rules/use-bun-instead-of-node-vite-npm-pnpm.mdc -> CLAUDE.md
 + bunfig.toml
 + package.json
 + tsconfig.json
 + bun-env.d.ts
 + README.md
 + .gitignore
 + src/index.tsx
 + src/App.tsx
 + src/index.html
 + src/index.css
 + src/APITester.tsx
 + src/react.svg
 + src/frontend.tsx
 + src/logo.svg

bun install v1.3.0 (b0a6feca)

+ @types/[email protected]
+ @types/[email protected]
+ @types/[email protected]
+ [email protected]
+ [email protected]

10 packages installed [1.52s]

✨ New project configured!

Development - full-stack dev server with hot reload

    bun dev

Static Site - build optimized assets to disk (no backend)

    bun run build

Production - serve a full-stack production build

    bun start

Happy bunning! 🐇

3.txt

# 1. Build
$bun build --compile ./src/index.tsx   --outfile demo01 
  [29ms]  bundle  19 modules
 [105ms] compile  demo01

# 2. Start server จาก Single-file executable
$./demo01 
🚀 Server running at http://localhost:3000/

index.tsx

import { serve } from "bun";
import index from "./index.html";

const server = serve({
  routes: {
    // Serve index.html for all unmatched routes.
    "/*": index,

    "/api/hello": {
      async GET(req) {
        return Response.json({
          message: "Hello, world!",
          method: "GET",
        });
      },
      async PUT(req) {
        return Response.json({
          message: "Hello, world!",
          method: "PUT",
        });
      },
    },

    "/api/hello/:name": async req => {
      const name = req.params.name;
      return Response.json({
        message: `Hello, ${name}!`,
      });
    },
  },

  development: process.env.NODE_ENV !== "production" && {
    // Enable browser hot reloading in development
    hmr: true,

    // Echo console logs from the browser to the server
    console: true,
  },
});

console.log(`🚀 Server running at ${server.url}`);