A few TypeScript files on Sandbox

import { Rectangle } from "./Rectangle";
 
export class Program
{
    public static Main(): void
    {
        // Create a rectangle
        let rectangle = new Rectangle();
 
        // Draw the rectangle
        rectangle.Draw();
    }
}
Program.Main();

export class Rectangle
{
    public x: number;
    public y: number;
 
    public constructor(x: number = 0, y: number = 0)
    {
        /* ... */
        console.log("Rectangle was created");
    }
 
    public Draw(): void
    {
        /* ... */
        console.log("Rectangle was drawn");
    }
}

requirejs.config({
    baseUrl: "."
});
 
requirejs(["Program"], (Program) =>
{
 
});