registerServiceWorker.js

export default function register() {
    if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
        window.addEventListener('load', () => {
            const swUrl = 'service-worker.js';
            navigator.serviceWorker
                .register(swUrl)
                .then(registration => {
                    registration.onupdatefound = () => {
                        const installingWorker = registration.installing;
                        installingWorker.onstatechange = () => {
                            if (installingWorker.state === 'installed') {
                                if (navigator.serviceWorker.controller) {
                                    console.log('New content is available; please refresh.');
                                } else {
                                    console.log('Content is cached for offline use.');
                                }
                            }
                        };
                    };
                })
                .catch(error => {
                    console.error('Error during service worker registration:', error);
                });
        });
    }
}

export function unregister() {
    if ('serviceWorker' in navigator) {
        navigator.serviceWorker.ready.then(registration => {
            registration.unregister();
        });
    }
}