NodeServer/native-async/server.js at master · HowProgrammingWorks/NodeServer · GitHub

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'use strict';

const http = require('node:http');

const PORT = 8000;

const HANDLER_LENGTH = 3;

const user = { name: 'jura', age: 22 };

const routing = {

'/': '<h1>welcome to homepage</h1><hr>',

'/user': user,

'/user/name': () => user.name.toUpperCase(),

'/user/age': () => user.age,

'/hello': { hello: 'world', andArray: [1, 2, 3, 4, 5, 6, 7] },

'/api/method1': (req, res, callback) => {

console.log(req.url + ' ' + res.statusCode);

callback({ status: res.statusCode });

'/api/method2': (req) => ({

user,

url: req.url,

cookie: req.headers.cookie,

}),

};

const types = {

object: ([data], callback) => callback(JSON.stringify(data)),

undefined: (args, callback) => callback('not found'),

function: ([fn, req, res], callback) => {

if (fn.length === HANDLER_LENGTH) fn(req, res, callback);

else callback(JSON.stringify(fn(req, res)));

};

const serve = (data, req, res) => {

const type = typeof data;

if (type === 'string') return void res.end(data);

const serializer = types[type];

serializer([data, req, res], (ser) => serve(ser, req, res));

};

http

.createServer((req, res) => {

const data = routing[req.url];

serve(data, req, res);

})

.listen(PORT);

setInterval(() => user.age++, 2000);

NodeServer/native-async/server.js at master · HowProgrammingWorks/NodeServer · GitHub

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