function draw(t, e) {
  let n = t.getContext("2d"),
    o = [];
  var a = 0;
  e.forEach(t => {
    let l = new Image();
    l.src = t;
    l.onload = () => {
      (a += 1) === e.length && function t() {
        let canvasWidth = t.width;
        let canvasHeight = t.height;
        let totalImageHeight = 0;

        for (let e = 0; e < o.length; e++) {
          totalImageHeight += o[e].height;
        }

        let startY = (canvasHeight - totalImageHeight) / 2;

        for (let e = 0; e < o.length; e++) {
          n.drawImage(o[e], 0, startY);
          startY += o[e].height;
        }
      }();
    };
    o.push(l);
  });
}