All files / xstate/editor/build/dist registerServiceWorker.js

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// tslint:disable:no-console
// In production, we register a service worker to serve assets from local cache.
// This lets the app load faster on subsequent visits in production, and gives
// it offline capabilities. However, it also means that developers (and users)
// will only see deployed updates on the 'N+1' visit to a page, since previously
// cached resources are updated in the background.
// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
// This link also includes instructions on opting out of this behavior.
var isLocalhost = Boolean(window.location.hostname === 'localhost' ||
    // [::1] is the IPv6 localhost address.
    window.location.hostname === '[::1]' ||
    // 127.0.0.1/8 is considered localhost for IPv4.
    window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/));
export default function register() {
    if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
        // The URL constructor is available in all browsers that support SW.
        var publicUrl = new URL(process.env.PUBLIC_URL, window.location.toString());
        if (publicUrl.origin !== window.location.origin) {
            // Our service worker won't work if PUBLIC_URL is on a different origin
            // from what our page is served on. This might happen if a CDN is used to
            // serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
            return;
        }
        window.addEventListener('load', function () {
            var swUrl = process.env.PUBLIC_URL + "/service-worker.js";
            if (!isLocalhost) {
                // Is not local host. Just register service worker
                registerValidSW(swUrl);
            }
            else {
                // This is running on localhost. Lets check if a service worker still exists or not.
                checkValidServiceWorker(swUrl);
            }
        });
    }
}
function registerValidSW(swUrl) {
    navigator.serviceWorker
        .register(swUrl)
        .then(function (registration) {
        registration.onupdatefound = function () {
            var installingWorker = registration.installing;
            if (installingWorker) {
                installingWorker.onstatechange = function () {
                    if (installingWorker.state === 'installed') {
                        if (navigator.serviceWorker.controller) {
                            // At this point, the old content will have been purged and
                            // the fresh content will have been added to the cache.
                            // It's the perfect time to display a 'New content is
                            // available; please refresh.' message in your web app.
                            console.log('New content is available; please refresh.');
                        }
                        else {
                            // At this point, everything has been precached.
                            // It's the perfect time to display a
                            // 'Content is cached for offline use.' message.
                            console.log('Content is cached for offline use.');
                        }
                    }
                };
            }
        };
    })
        .catch(function (error) {
        console.error('Error during service worker registration:', error);
    });
}
function checkValidServiceWorker(swUrl) {
    // Check if the service worker can be found. If it can't reload the page.
    fetch(swUrl)
        .then(function (response) {
        // Ensure service worker exists, and that we really are getting a JS file.
        if (response.status === 404 ||
            response.headers.get('content-type').indexOf('javascript') === -1) {
            // No service worker found. Probably a different app. Reload the page.
            navigator.serviceWorker.ready.then(function (registration) {
                registration.unregister().then(function () {
                    window.location.reload();
                });
            });
        }
        else {
            // Service worker found. Proceed as normal.
            registerValidSW(swUrl);
        }
    })
        .catch(function () {
        console.log('No internet connection found. App is running in offline mode.');
    });
}
export function unregister() {
    if ('serviceWorker' in navigator) {
        navigator.serviceWorker.ready.then(function (registration) {
            registration.unregister();
        });
    }
}
//# sourceMappingURL=registerServiceWorker.js.map