Validating input in Express using express-validator
In this blog post, we will learn how to validate input data in your Express endpoints using the express-validator package. Specifically, we will look at how to validate the name, email, and age parameters in a POST endpoint. Let’s start by setting up our Express server and configuring it to parse incoming JSON data: const express = require('express'); const { check, validationResult } = require('express-validator'); const app = express(); app.use(express.json()); Next, let’s define our POST endpoint and perform validation on the input data:...