draw2d-types codes not working in angular? why could it be.

[reserturk]

ngOnInit(): void {

const canvas = new draw2d.Canvas('div');
const test = new draw2d.shape.basic.Circle({x: 40, y: 10, stroke: 3, color: '#3d3d3d', bgColor: '#3dff3d'});
canvas.add(test);

}