Select based on enum in Angular2

Question

I have this enum (I\'m using TypeScript) :

export enum CountryCodeEnum {
    France = 1,
    Belgium = 2
}

I would like to build a

Answer 1

Another spin off of this answer, but this actually maps the values as numbers, instead of converting them to strings which is a bug. It also works with 0 based enums

@Component({
  selector: 'my-app',
  providers: [],
  template: `
  

  `,
  directives: []
})

export class App {
  countries = CountryCodeEnum;

  constructor() {
    this.keys = Object.keys(this.countries)
                      .filter(f => !isNaN(Number(f)))
                      .map(k => parseInt(k));;
  }
}