express-request-validator-middlewares v1.0.0

express-request-validator-middlewares

An express middleware for validating request data using joi

• Installation

  npm install express-request-validator-middlewares
  yarn add express-request-validator-middlewares

• Queck start

  const express      = require('express');
  const Joi          = require('joi');
  const reqValidator = require('express-request-validator-middlewares');
  const app = express () ;
  const port = process.env.PORT || 4000 ;

// VLIDATE REQUEST HEADERS DATA app.get( '/validate-headers', reqValidator.headers( Joi.object().required().min(1).keys({ token : Joi.string().min(24).max(24).required() }) ) , ( req , res , next) => res.send ( 'Headers verifyed') )

// VLIDATE REQUEST PARAMS DATA app.get( '/validate-params', reqValidator.params( Joi.object().required().min(1).keys({ id : Joi.string().min(24).max(24).required() }) ) , ( req , res , next) => res.send ( 'Headers verifyed') )

// VLIDATE REQUEST QUERY DATA app.get( '/validate-params', reqValidator.query( Joi.object().required().min(1).keys({ serach : Joi.string().min(24).max(24).required() }) ) , ( req , res , next) => res.send ( 'Headers verifyed') )

// VLIDATE REQUEST BODY DATA app.get( '/validate-params', reqValidator.body( Joi.object().required().min(1).keys({ name : Joi.string().min(24).max(24).required(), email : Joi.string().email().required(), }) ) , ( req , res , next) => res.send ( 'Headers verifyed') )

app.listen(port , () => console.log(Lisning at port :- ${port}));

- # Request error response 
When validation failed user gets this response.
```js
{
  "statusCode": 400,
  "ErrorMessage": "Bad request",
  "ErrorType": "Request params validation failed",
  "message": "id is required"
}

• Change request response

  You can change statusCode or ErrorMessage or add more keys in response

reqValidator.config({
    statusCode:401 ,
    ErrorMessage:"Validation failed",
    ApiDoc:"check this API docs"
})

• Reference docs

• joi

• Author

  Mahender Rajput

• Let in touch

• Github
• Linked