sanitize data within an Express application

const express = require('express');
const bodyParser = require('body-parser');
const { sanitize } = require('express-validator');

const app = express();

// Middleware to parse incoming JSON data
app.use(bodyParser.json());

// Middleware to sanitize data using express-validator
app.use(sanitize({
  // Specify the fields to sanitize
  body: ['field1', 'field2'],
}));

// Define your routes here
app.post('/your-route', (req, res) => {
  // Your route logic here

  // Sanitized data is available in req.body.field1 and req.body.field2
});

// Start the Express server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}`);
});