breeds_final.enum.ts

class EBreeds {
  private static map = new Map<string, EBreeds>();

  public static readonly AKITA = EBreeds.build('AKITA', 'Cão grande branco e peludo');
  public static readonly SCOTTISH_TERRIER = EBreeds.build('SCOTTISH_TERRIER', 'Cão pequeno');

  private constructor(
      public readonly code: string, 
      public readonly desc: string
  ) {}

  public toString(): string {
    return this.code;
  }

  public static  getEnumByCode(code: string) {
    return this.map.get(code);
  }
  
  public equals(breed: EBreeds): boolean {
    return this.code === breed.code;
  }
 
  public equalsCode(code: string): boolean {
    return this.code === code;
  }

  public static build(code: string, desc: string): EBreeds {
    const breed = new EBreeds(code, desc);
    this.map.set(breed.code, breed);
    return breed;
  }
}