class-validate

package using async-validator is Validator Schema

Example:

import {
  getValidateDescriptor,
  IsNumber,
  IsPhoneNumber,
  IsString,
  validate,
} from "../dist";

class User {
  @IsString()
  name: string;

  @IsNumber()
  age: number;

  @IsPhoneNumber()
  phone: string;
}

const descriptor = getValidateDescriptor(User);
// ===> descriptor
{
  name: [{ required: true, type: "string" }],
  age: [{ required: true, type: "number" }],
  phone: [
    {
      required: true,
      pattern: /^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$/,
      message: "phone must be phone number",
    },
  ],
};

Validate params with User class

import { IsString, Parse, parseClassParams, validate } from "../dist";

const params = {
  name: "Join he",
  age: "10",
  phone: "[phone]",
};

validate(User, params)
  .then(() => {
    console.log("validate success");
  })
  .catch(({ errors }) => {
    console.log(errors);
    // [ { message: 'age is not a number', field: 'age' } ]
  });

Parse params before validate

class User {
    ...

    @IsNumber()
    @Parse("number")
    age: number;

    ...
}

validate(User, parseClassParams(User, params)).then(() => {
  console.log("validate success");
});

All decorator

Validator IsNumber IsString IsBoolean IsArray IsEmail IsDate IsRegeExp IsObject IsEnum IsAny IsMethod IsInteger IsFloat IsUrl IsHex IsPhoneNumber IsOptional Parse

Methods

validate parseClassParams getValidateDescriptor getValidator