pixi latest version test

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/5.1.3/pixi.min.js"></script>
<div id="root">
</div>

JavaScript

const width = window.innerWidth;
    const height = window.innerHeight;

    let app = new PIXI.Application({
      width,
      height,
      resolution: window.devicePixelRatio || 1,
      transparent: true,
    });
    
    const root = document.getElementById('root');

    root.appendChild(app.view);
    let stage = new PIXI.Container();
    app.stage.addChild(stage);
    
    this.controls = new PIXI.Graphics();
        this.controls.lineStyle(1, 0xd3d3d3);
    this.controls.beginFill(0xffffff);
    this.controls.drawRoundedRect(50,
      50, 28, 28, 5);
    this.controls.endFill();
      stage.addChild(this.controls);