nodejs: redirect path to specific path

Node.js: Redirect Path to Specific Path

Redirecting a path to a specific path in Node.js can be achieved using the redirect() method of the response object. This method sends a 302 HTTP status code and a Location header to the client, which instructs the client to access the specified URL instead.

Using Express.js

If you are using the popular Express.js framework, you can simply use the redirect() method in your route handler function to redirect the path to a specific path. Here is an example:

const express = require('express');
const app = express();

// the route handler function
app.get('/old-path', (req, res) => {
  res.redirect('/new-path');
});

app.listen(3000, () => {
  console.log('Server listening on port 3000');
});

In this example, when someone accesses the URL /old-path, they will be redirected to /new-path.

Using Vanilla Node.js

If you are not using any framework and want to redirect a path to a specific path in plain Node.js, you can use the response.writeHead() and response.end() methods to send the necessary headers and end the response. Here is an example:

const http = require('http');

const server = http.createServer((request, response) => {
  if (request.url === '/old-path') {
    response.writeHead(302, { 'Location': '/new-path' });
    response.end();
  } else {
    response.writeHead(200, { 'Content-Type': 'text/plain' });
    response.end('Hello World!');
  }
});

server.listen(3000, () => {
  console.log('Server listening on port 3000');
});

In this example, when someone accesses the URL /old-path, they will receive a 302 status code and a Location header that instructs the client to access /new-path instead.