cream.spec.js

import { Product } from './product.js';
import { Scent } from './scent.js';

export class Cream extends Product {

    #scent;

    static #minNameLength = 3;
    static #maxNameLength = 15;
    static #minBrandLength = 3;
    static #maxBrandLength = 15;

    /**
  * @param {string} name
  * @param {string} brand
  * @param {number} price
  * @param {Gender} gender
  * @param {number} milliliters
  * @param {Usage} usage
  */

    constructor(name, brand, price, gender, scent) {
      super(name, brand, price, gender);
      this.validateScent(scent);
      this.#scent = scent;
    }

    validateName(value) {
      if (!value) {
        throw new Error('Invalid name!');
      }

      if (value.length < Cream.#minNameLength || value.length > Cream.#maxNameLength) {
        throw new Error(`Product name length must be between ${Cream.#minNameLength} and ${Cream.#maxNameLength}`);
      }
    }

    validateBrand(value) {
      if (!value) {
        throw new Error('Invalid brand!');
      }

      if (value.length < Cream.#minBrandLength || value.length > Cream.#maxBrandLength) {
        throw new Error(`Product brand length must be between ${Cream.minBrandLength} and ${Cream.maxBrandLength}`);
      }
    }

    get scent() {
      return this.#scent;
    }

    validateScent(value) {
      if (!Scent.hasOwnProperty(value)) {
      // if (!Object.keys(Scent).some(key => Scent[key] === value))
        throw new Error('You should use rose, lavender or vanilla.');
      }
    }

    additionalInfo() {
      return ` #Scent: ${Scent[this.#scent]}`;
    }
}