bun js http server cookie simple

README.md

Note that bun runtime js/ts have three types one is normal http fetch request base on https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API

The other is 'bun dev' and 'bun bun'. There is docs format for command line. Here for http server fetch request.

It is link from git bun readme.md

https://developer.mozilla.org/en-US/docs/Web/API/Headers

bun run dev (run on package.json as npm comand)

https://bun.sh/ <= bun

package.json

{
  "name": "bunpreact",
  "version": "1.0.0",
  "description": "",
  "main": "http.js",
  "scripts": {
    "dev": "bun run server.js"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "cookie": "^0.5.0",
    "preact-compat": "^3.19.0"
  }
}

server.js

import cookie from "cookie";

Bun.serve({
  //http server port
  port: 3000,
  // http handler request
  fetch(req) {
    console.log("URL",req.url)
    //get browser client
    for(const key of req.headers.keys()){
      console.log(key)
    }
    //get browser cookie
    console.log(req.headers.get('cookie'))
    //string cookie from header only string value
    const sCookie = req.headers.get('cookie')
    if(sCookie){
      console.log("Cookie Found!")
      //string to object json
      const dCookie = cookie.parse(sCookie)
      console.log(dCookie)
    }else{
      console.log("Cookie Not Found!")
    }
    // set up header to return to browser client
    const headers = new Headers();
    headers.set('Set-Cookie', cookie.serialize('test','testx'))

    return new Response("Bun, Hello world!", { 
      headers: headers, //must match param name
      status: 200 // good = 200, bad = 500 (error page request) 
     });
  },
  error(error) {
    return new Response("Uh oh!!\n" + error.toString(), { status: 500 });
  },
});