Class Validator

Validate body, Based on class-validator.

for complete doc, please visit class-validator.

Install

install external libs @nhttp/class-validator.

Deno

deno add @nhttp/class-validator

deno.land

import {...} from "https://deno.land/x/nhttp/lib/class-validator.ts";

npm

npx jsr add @nhttp/class-validator

Bun

bunx jsr add @nhttp/class-validator

Yarn

yarn dlx jsr add @nhttp/class-validator

pnpm

pnpm dlx jsr add @nhttp/class-validator

Usage

import {
  Controller,
  Post,
} from "@nhttp/nhttp/controller";
import {
  IsEmail,
  IsPhoneNumber,
  IsString,
  Validate,
} from "@nhttp/class-validator";

// Person Dto
class PersonDto {
  @IsString()
  name!: string;

  @IsEmail()
  email!: string;

  @IsPhoneNumber()
  phone!: string;
}

// Person Controller
@Controller("/person")
class PersonController {

  // validate
  @Validate(PersonDto)
  @Post("/")
  save(rev: RequestEvent) {
    return rev.body;
  }
}

Example Error Message

If not valid, will throw to status 422 (Unprocessable Entity).

{
  "status": 422,
  "message": [
    {
      "target": {},
      "property": "name",
      "children": [],
      "constraints": {
          "isString": "name must be a string"
      }
    },
    {
      "target": {},
      "property": "email",
      "children": [],
      "constraints": {
          "isEmail": "email must be an email"
      }
    },
    {
      "target": {},
      "property": "phone",
      "children": [],
      "constraints": {
          "isPhoneNumber": "phone must be a valid phone number"
      }
    }
  ],
  "name": "UnprocessableEntityError",
  "stack": [...]
}