Express validator

npm install --save express-validator

check('Username', 'Username contains non-alphanumeric characters - not allowed.').isAlphanumeric()

// ...rest of the initial code omitted for simplicity.
const { body, validationResult } = require('express-validator');

app.post(
  '/user',
  // username must be an email
  body('username').isEmail(),
  // password must be at least 5 chars long
  body('password').isLength({ min: 5 }),
  (req, res) => {
    // Finds the validation errors in this request and wraps them in an object with handy functions
    const errors = validationResult(req);
    if (!errors.isEmpty()) {
      return res.status(400).json({ errors: errors.array() });
    }

    User.create({
      username: req.body.username,
      password: req.body.password,
    }).then(user => res.json(user));
  },
);

npm install --save express-validator

npm install express-validator

Similar codes

0 vote262 views1 answer
Express js boilerplate
Javascript Express
0 vote256 views1 answer
Express grpc example
Javascript Express
6 votes258 views6 answers
Express generator
Javascript Express
59 votes333 views2 answers
Express js sample project
Javascript Express
0 vote271 views1 answer
Ali express no ads apk latest
Javascript Express
2 votes268 views1 answer
What is template engine in express
Javascript Express
1 vote244 views1 answer
Express send image bufffer
Javascript Express
-1 vote258 views1 answer
Express hot reload
Javascript Express
28 votes309 views3 answers
Express get query parameters
Javascript Express
72 votes348 views6 answers
Express redirect
Javascript Express