“Express Class Validator” Ответ

Express Class Validator

// using like this 
// this.router.post('/register', [validator(DTORegister)], this.registerUsersController)

import { validate, ValidationError } from 'class-validator'
import { StatusCodes as status } from 'http-status-codes'
import { Request, Response, NextFunction } from 'express'
import { OutgoingMessage } from 'http'

import { apiResponse } from '@helpers/helper.apiResponse'

export function validator(DataTransferObject: any) {
  return async function (req: Request, res: Response, next: NextFunction): Promise<OutgoingMessage> {
    const errors: ValidationError[] = await validate(Object.assign(new DataTransferObject(), req.body))
    const errorMessage = errors.map((val: ValidationError) => {
      return apiResponse(400, Object.values(val.constraints)[0])
    })

    if (errorMessage.length) {
      return res.status(status.BAD_REQUEST).json(errorMessage)
    }
    next()
  }
}
Restu Wahyu Saputra

Express Class Validator

import { validate, ValidationError } from 'class-validator'
import { ClassConstructor, plainToClass } from 'class-transformer'
import { StatusCodes as status } from 'http-status-codes'
import { Request, Response, NextFunction } from 'express'
import { OutgoingMessage } from 'http'

import { apiResponse } from '@helpers/helper.apiResponse'

export function validator(MetaType: ClassConstructor<any>) {
  return async function (req: Request, res: Response, next: NextFunction): Promise<OutgoingMessage> {
    let property: Record<string, any> = {}
    Object.assign(property, req.body, req.params, req.query)

    const object: Record<string, any> = plainToClass(MetaType, property)
    const errorsResponse: ValidationError[] = await validate(object)

    const errorMessage = errorsResponse.map((val: ValidationError) => apiResponse(400, Object.values(val.constraints)[0]))
    if (errorMessage.length) {
      return res.status(status.BAD_REQUEST).json({ errors: errorMessage })
    }
    next()
  }
}
Restu Wahyu Saputra

Express Class Validator

// using like this 
// this.router.post('/register', [validator([DTORegister])], this.registerUsersController)

export function validator(DataTransferObject: any) {
  return async function (req: Request, res: Response, next: NextFunction): Promise<OutgoingMessage> {
    let errors: any = []

    DataTransferObject.forEach(async (DTO: any) => {
      const property: Record<string, any> = {}
      Object.assign(property, req.body, req.params, req.query)
      const errorsResponse: ValidationError[] = await validate(Object.assign(new DTO(), property))
      errors.push(errorsResponse)
    })

    const errorMessage = errors.map((val: ValidationError) => apiResponse(400, Object.values(val.constraints)[0]))
    if (errorMessage.length) {
      return res.status(status.BAD_REQUEST).json(errorMessage)
    }
    next()
  }
}
Restu Wahyu Saputra

Ответы похожие на “Express Class Validator”

Вопросы похожие на “Express Class Validator”

Больше похожих ответов на “Express Class Validator” по TypeScript

Смотреть популярные ответы по языку

Смотреть другие языки программирования

Shell/Bash
C#
C++
C
CSS
HTML
Java
JavaScript
Objective-C
PHP
Python
Sql
Swift
Ruby
TypeScript
Go
Kotlin
Assembly
R
VBA
Scala
Rust
Dart
Elixir
Clojure
Haskell
Matlab
Erlang
Cobol
Fortran
Scheme
Perl
Groovy
Lua
Julia
Delphi
Abap
Lisp
Prolog
Pascal
ActionScript
Basic
Solidity
PowerShell
GDScript
Excel