class Matrix {
  agent = {
    name: 'Smith',
    damage: 10000,
  };
  human = {
    name: 'Cypher',
    damage: 100,
  };
  whoWin(): string {
    const result = this.agent.damage > this.human.damage
      ? this.agent.name
      : this.human.name;
    return result;
  }
}
const matrixV1 = new Matrix();
console.log(‘Побеждает ’, matrixV1.whoWin());

Побеждает  Smith

class Human {
  name;
  damage;
  constructor(name, damage) {
    this.name = name;
    this.damage = damage;
  }
  get name(): string {
    return this.name;
  }
  get damage(): number {
    return this.damage;
  }
}
class Matrix {
  agent = {
    name: 'Smith',
    damage: 10000,
  };
human;
  constructor(challenger) {
    this.human = challenger;
  }
  whoWin(): string {
    const result = this.agent.damage > this.human.damage
      ? this.agent.name
      : this.human.name;
    return result;
  }

const Trinity = new Human('Trinity', 500);
const matrixV1 = new Matrix(Trinity);
console.log('Побеждает ', matrixV1.whoWin());

Побеждает  Smith

class Human {
…
  get damage(): number {
    return this.damage * 1000;
  }
}

abstract class AbstractHuman {
  abstract get name(): string;
  abstract get damage(): number;
}
class Human implements AbstractHuman{
  name;
  damage;
  constructor(name, damage) {
    this.name = name;
    this.damage = damage;
  }
  get name(): string {
    return this.name;
  }
  get damage(): number {
    return this.damage;
  }
}
class Matrix {
  agent = {
    name: 'Smith',
    damage: 10000,
  };
human;
  constructor(challenger: AbstractHuman) {
    this.human = challenger;
  }
  whoWin(): string {
    const result = this.agent.damage > this.human.damage
      ? this.agent.name
      : this.human.name;
    return result;
  }
}
const Morpheus = new Human('Morpheus', 900);
const matrixV2 = new Matrix(Morpheus);
console.log('Побеждает ', matrixV2.whoWin());

Побеждает  Smith

В бою с Морфеусом побеждает  Smith
В бою с Тринити побеждает  Smith

...
class TheOne implements AbstractHuman{
  name;
  damage;
  constructor(name, damage) {
    this.name = name;
    this.damage = damage;
  }
  get name(): string {
    return this.name;
  }
  get damage(): number {
    return this.damage * 1000;
  }
}
…
const Neo = new TheOne('Neo, 500);
const matrixV5 = new Matrix(Neo);

В бою с Нео побеждает  Нео

@Injectable()
export class SomeService {}