Function clampToViewport

src/hooks/useModalDrag.ts:42–55

Clamp a modal position so it stays within the viewport

(
  x: number,
  y: number,
  width: number,
  height: number,
)

/** Clamp a modal position so it stays within the viewport */
function clampToViewport(
  x: number,
  y: number,
  width: number,
  height: number,
): { x: number; y: number } {
  const vw = typeof window !== 'undefined' ? window.innerWidth : VIEWPORT_FALLBACK.width;
  const vh = typeof window !== 'undefined' ? window.innerHeight : VIEWPORT_FALLBACK.height;
  const padding = MODAL_POSITION.viewportPadding;
  return {
    x: Math.max(padding, Math.min(x, vw - width - padding)),
    y: Math.max(padding, Math.min(y, vh - height - padding)),
  };
}

function getViewportSize(): { width: number; height: number } {
  return typeof window !== 'undefined'