Function isModifierEvent

packages/docsearch-react/src/utils/isModifierEvent.ts:5–9

(event: TEvent)

 * trigger its default behavior.
 */
export function isModifierEvent<TEvent extends KeyboardEvent | MouseEvent>(event: TEvent): boolean {
  const isMiddleClick = (event as MouseEvent).button === 1;

  return isMiddleClick || event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
}