prisma-generator-nestjs-swagger-validator

This packeges generates Dtos based in your prisma model, and optionally also can generate Nestjs modules with a basic CRUD code.

Setup

• Install

  javascript npm i prisma-generator-nestjs-swagger-validator

  
  

• add to prisma schema

  generator dto-generator {
    provider = "prisma-generator-nestjs-swagger-validator"
    output   = "../src/generated"
  }

Options

We can customize the code generation annotations.

• We can use annotations like this.

    /// crud
    model User {
      id    Int    @id @default(autoincrement())
      /// email
      email String @unique
      /// dateString
      dob   DateTime?
      /// positive
      age  Int?
      role Role
    }

  ✅ Annotations can be used on table level and field level

  
  
  • Table level annotations
    

  Annotation	Description
  skip	skips the table (doesn't generates it).
  crud	Generates a Nestjs Module with a basic CRUD.

  • check a datamodel example

Custom validations

Type	Usage	Result
Number
Divisible by	isDivisibleBy(num)	@IsDivisibleBy(num)
Positive number	isPositive()	@IsPositive()
Negative number	isNegative()	@IsNegative()
Greater than or equal	min(num)	@Min(num)
Less than or equal	max(num)	@Max(num)
Date
MinDate	minDate(YYYY-MM-DD)	@MinDate(date ISO)
MaxDate	maxDate(YYYY-MM-DD)	@MaxDate(date ISO)
Array
Object
isInstance	isInstance(JSON)	isInstance(Obj)
String
Length range	length(min,max)	@IsLength(min,max)
Boolean	booleanString	@IsBooleanString()
Date	dateString	@IsDateString()
Number	numberString	@IsNumberString()
Contains	contains(str)	@Contains("str")
Not contains	notContains(str)	@NotContains("seed")
Alphanumeric	alpha	@IsAlpha()
Base64	base64	@IsBase64()
Email	email	@IsEmail()
Credit card	creditCard	@IsCreditCard()
Json	Json	@IsJSON()
PhoneNumber	phoneNumber	@IsPhoneNumber()
MongoId	mongoId	@IsMongoId()
URL	url	@IsUrl()
UUID	uuid(version)	@IsUUID("version")
Matches	matches(/regexp/)	@Matches(/regex/)
Timezone	timezone	@IsTimeZone()