Class-transformer: How to use nested objects and es6?

[braivre]

I have this classes:

class Book {
    constructor({
        name = ''
    } = {}) {
        this.name = name
    }

    get test() {
        return 8 * 8 
    }
}

class User {
    contructor({
        name = '',
        email = '',
        books = []
    } = {}) {
        this.name = name
        this.email = email
        this.books = plainToClass(Book, books)
    }

    get custom() {
        return this.name + this.email
    }
}

When I do:

let users = plainToClass(User, [{name: 'John', email: '[email protected]', books: [{name: 'Maths'}]}]);

users are transformed as expected but the books don't have test property.

What is the right way to do this?

[lucasklaassen]

class Book {
    name: string;

    constructor(args: Book) {
      Object.assign(this, args);
    }

    get test() {
        return 8 * 8 
    }
}

import { Type } from 'class-transformer';
import { Book } from './book';

class User {
  name: string;
  email: string

  @Type(() => Book)
  books: Book[];

   constructor(args: User) {
     Object.assign(this, args);
   }

   get custom() {
       return this.name + this.email
   }
}

Not sure if this is best practice but this is how I've done it.

[NoNameProvided]

@lucasklaassen answer is correct, you need to use the @Type decorator to define property type as user made classes.

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