Function useBeforeUnload

useBeforeUnload(
callback: (event: BeforeUnloadEvent) => any,
options?: { capture?: boolean },
): void
Set up a callback to be fired on Window's beforeunload event.
Parameters
- callback: (event: BeforeUnloadEvent) => any
  The callback to be called when the beforeunload event is fired.
- Optionaloptions: { capture?: boolean }
  Options
  - Optionalcapture?: boolean
    If true, the event will be captured during the capture phase. Defaults to false.
Returns void
- Defined in packages/react-router/lib/dom/lib.tsx:3108