Function getOwnerWindow

packages/react-aria/src/utils/domHelpers.ts:5–14

(
  el: (Window & typeof globalThis) | Element | null | undefined
)

};

export const getOwnerWindow = (
  el: (Window & typeof globalThis) | Element | null | undefined
): Window & typeof globalThis => {
  if (el && 'window' in el && el.window === el) {
    return el;
  }

  const doc = getOwnerDocument(el as Element | null | undefined);
  return doc.defaultView || window;
};

/**
 * Type guard that checks if a value is a Node. Verifies the presence and type of the nodeType