Facade Pattern in TypeScript

shape.ts

interface Shape {
  draw(): void;
}

class Circle implements Shape {
  draw(): void {
    console.log("Draw circle");
  }
}

class Rectangle implements Shape {
  draw(): void {
    console.log("Draw rectangle");
  }
}

class Triangle implements Shape {
  draw(): void {
    console.log("Draw triangle");
  }
}