ES6 Repo + DI

repository.es6

class CoreRepository {
  static inject () {
    return [];
  }
  static instance () {
    var deps = this.inject();
    return new this(...deps);
  }
}

class Repository extends CoreRepository {
  constructor (http) {
    this.http = http;
  }
  
  static inject () {
    return [ 
      { get: function () {}  }
    ];
  }

}

console.log(Repository.instance());