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Express.js – app.route() Method
The app.route() method returns the instance of a single route. This single route can be used to handle the HTTP verbs with the optional middleware. This method is mainly used to avoid duplicate names.
Syntax
app.route( )
Example 1
Create a file with the name "appRoute.js" and copy the following code snippet. After creating the file, use the command "node appRoute.js" to run this code.
// app.route() Demo Example
// Importing the express module
var express = require('express');
// Initializing the express and port number
var app = express();
var PORT = 3000;
// Creating a get, post & other requests
app.route('/user')
.get((req, res, next) => {
res.send('GET is called');
console.log('GET is called');
})
.post((req, res, next) => {
res.send('POST is called');
console.log('POST is called')
})
.all((req, res, next) => {
res.send('All others are called');
console.log('All others are called')
})
app.listen(PORT, function(err){
if (err) console.log(err);
console.log("Server listening on PORT", PORT);
});Hit the below endpoints/API to call the above function −
Output
C:\home
ode>> node appRoute.js '' '/api' '/api/v1'
Example 2
Let’s take a look at one more example.
// app.route() Demo Example
// Importing the express module
var express = require('express');
// Initializing the express and port number
var app = express();
var PORT = 3000;
// Creating a get, post & other requests
app.route('/api/*')
.get((req, res, next) => {
res.send('GET is called');
console.log('GET is called');
})
.post((req, res, next) => {
res.send('POST is called');
console.log('POST is called')
})
.all((req, res, next) => {
res.send('All others are called');
console.log('All others are called')
})
app.listen(PORT, function(err){
if (err) console.log(err);
console.log("Server listening on PORT", PORT);
});For the above function, you can call any endpoint after /api/ and it will be passed through the above function only. For example,
http://localhost:3000/api/v1,
.http://localhost:3000/api/user/path, etc
Output
C:\home
ode>> node appRoute.js Server listening on PORT 3000 All others are called GET is called
Updated on: 30-Sep-2021
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