Express - Érvényesség Yup-pal

• Szerző: Sallai András
• Copyright © 2024, Sallai András
• Licenc: CC BY-SA 4.0
• Web: https://szit.hu

Célunk a bejövő adatok ellenőrzése. A bejövő adatokat ellenőrizhetjük a kontrollerben, a modellben vagy írhatunk rá köztes szoftvert.

• https://www.npmjs.com/package/yup (2024)

npm install yup

app/middlewares/userValidator.js

import { object, string } from 'yup';
 
const userRegisterValidator = (req, res, next) => {
  const userSchema = object({
    name: string().required(),
    email: string().email().required(),
    password: string().required()
  })
 
  userSchema.validate(req.body)
    .then(() => next())
    .catch(err => {
      res.status(400)
      res.json({ 
        success: false, 
        message: err.message 
      })
    })
}
 
const userLoginValidator = (req, res, next) => {
  const userSchema = object({
    name: string().required(),
    password: string().required()
  })
 
  userSchema.validate(req.body)
    .then(() => next())
    .catch(err => {
      res.status(400)
      res.json({ 
        success: false, 
        message: err.message 
      })
    })
}
 
export { userRegisterValidator, userLoginValidator }

import { 
    userRegisterValidator, 
    userLoginValidator 
} from '../middlewares/userValidator.js'
 
//...
 
router.post('/register', [userRegisterValidator], AuthController.register)
router.post('/login', [userLoginValidator],AuthController.login)

app/middlewares/employeeValidator.js

import { object, string, number } from 'yup';
 
const employeeCreateValidator = (req, res, next) => {
  const employeeSchema = object({
    name: string().required(),
    city: string(),
    salary: number()
  })
 
  employeeSchema.validate(req.body)
    .then(() => next())
    .catch(err => {
      res.status(400)
      res.json({ 
        success: false, 
        message: err.message 
      })
    })
}
 
export { employeeCreateValidator }

router.post('/employees', 
  [employeeCreateValidator], 
  EmployeeController.store)