reblend-ui/src/getScrollbarWidth.ts

Utilities for creating robust overlay components

/**
 * Get the width of the vertical window scrollbar if it's visible
 */
export default function getBodyScrollbarWidth(ownerDocument = document) {
  const window = ownerDocument.defaultView!;

  return Math.abs(
    window.innerWidth - ownerDocument.documentElement.clientWidth,
  );
}