Draw image rotated and scaled on html canvas element

drawImage.js

function drawImage(ctx, img, x, y, angle = 0, scale = 1){
  ctx.save();
  ctx.translate(x + img.width * scale / 2, y + img.height * scale / 2);
  ctx.rotate(angle);
  ctx.translate(- x - img.width * scale / 2, - y - img.height * scale / 2);
  ctx.drawImage(img, x, y, img.width * scale, img.height * scale);
  ctx.restore();
}