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When to do a redirect in NodeJS?
When you create web applications using NodeJS, you will eventually need to perform a URL redirect for two common reasons: The previous URL has been moved to another URL (301 or 302 redirect) The request is unknown (404) This tutorial will help you do both redirects using native NodeJS http module and Express framework.
Can a NodeJS native module redirect to express?
Both NodeJS native module and Express framework are able to perform a response redirection, so you don’t have to use Express just for its redirect feature.
How to create 301 redirects in Node.js?
We are going to use Node.js HTTP module to 301 redirects. require HTTP module using. . write header status 301 using res.writeHead () function. define the server.listen port and you’ve successfully created your 301 redirects in node. That was really easy. isn’t it? yes if have any queries, please comment below.
How to perform a redirect in Express Framework?
To perform a redirect using Express framework, you simply need to send a response using the redirect () method provided by the framework. For example, here’s how you perform a 302 redirect with Express framework: To perform a 404 response, you need to create an Express middleware.
Do you need to redirect to 404 page in NodeJS?
To indicate a missing file/resource and serve a 404 page, you need not redirect. In the same request you must generate the response with the status code set to 404 and the content of your 404 HTML page as response body. Here is the sample code to demonstrate this in Node.js.
How to redirect a request to a file?
First added file system module using const fs = require (‘fs’); File system fs module gives us writeFile and writeFileSync method to write content to file. As of now we are only writing a test value to file. Later we will see how to write value from request. Http redirect status code is 302.
How to create an HTTP server in NodeJS?
The http module is a built-in NodeJS module that allows you to create an HTTP server to receive HTTP requests and write responses. To use the module, you can require () it on your JavaScript file: const http = require(“http”); Then, create a server using the createServer () method that receives a request (req) and response (res) listener: