Function validateMouse

scripts/magnify_image.js:327–336

(x, y)

}

function validateMouse(x, y) {
  if (x == null || y == null) {
    let mouse = getMousePos();
    return {
      x: mouse.x ?? x ?? 0,
      y: mouse.y ?? y ?? 0,
    };
  }
  return { x, y };
}

function magnifyImage(x, y) {
  let mouse = validateMouse(x, y);