Middleware that handles validation errors coming from express-validator
npm install express-validator-on-validation-errorIt's a middleware that handles validation errors.
An express.js middleware for
express-validator.
- Dependencies
- Installation
- Usage
- Lisence
npm install express express-validator
Installation
npm install express-validator-on-validation-error
Usage
javascript
const { param, query, body } = require('express-validator/check');
const { onValidationError, redirectOnValidationError } = require('express-validator-on-validation-error');app.get('/validate', [
query('testInt').isInt(),
// Set validation error handler
// It must be after all validators from express-validator
onValidationError((validationErrors, req, res, next) => {
res.sendStatus(400);
})
], (req, res) => {
res.sendStatus(200);
});
app.get('/passToNextRequestHandler', [
query('testInt').isInt(),
// Call next() to pass the request to the next request handler
onValidationError((validationErrors, req, res, next) => {
// process for validationErrors
res.locals = {
valuePassed: req.query.testInt
};
// pass this request to the next request handler
next();
})
], (req, res) => {
res.status(200).send(res.locals.valuePassed);
});
app.get('/redirectOnValidationError', [
query('testInt').isInt(),
// Redirect to Google on validation error for finding a solution :)
redirectOnValidationError('https://google.com')
], (req, res) => {
res.sendStatus(200);
});
``