How can I integrate express-validator with my React app?

How can I integrate express-validator with my React app?

To integrate express-validator with your React app, you typically use it on the server-side with Express. You can validate incoming requests before they reach your React components.

Can you show me a basic example of how to set it up?

Sure! First, install express-validator using npm. Then, in your Express route, you can use validation middleware like this:

const { body, validationResult } = require('express-validator');

app.post('/api/user', [
  body('email').isEmail(),
  body('password').isLength({ min: 5 })
], (req, res) => {
  const errors = validationResult(req);
  if (!errors.isEmpty()) {
    return res.status(400).json({ errors: errors.array() });
  }
  // Proceed with creating the user
});

What about handling errors in my React app?

In your React app, you can handle errors by checking the response from your API. If there are validation errors, display them to the user using state management.