useBeforeUnload

The useBeforeUnload hook is fired when the window, the document and its resources are about to be unloaded. This hook accept a boolean value that indicates when this functionality should be active.

Usage

import { useBeforeUnload } from from "@newfold/ui-component-library";

const Component = () => {
    let when = false;

    useBeforeUnload(when)

    setTimeOut(()=>{
        when = true;
        // in 5 seconds a generic message from the browser will
        // appear to warn of before window will upload.
    },5000);

    return (
        // JSX...
    );
};

BeforeUnloadEvent full documentation.