prettier

src/serviceWorker.js

@@ -12,10 +12,10 @@
 
 const isLocalhost = Boolean(
   window.location.hostname === 'localhost' ||
-  // [::1] is the IPv6 localhost address.
+    // [::1] is the IPv6 localhost address.
-  window.location.hostname === '[::1]' ||
+    window.location.hostname === '[::1]' ||
-  // 127.0.0.1/8 is considered localhost for IPv4.
+    // 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}$/)
+    window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/)
 );
 
 export function register(config) {
@@ -41,7 +41,7 @@ export function register(config) {
         navigator.serviceWorker.ready.then(() => {
           console.log(
             'This web app is being served cache-first by a service ' +
-            'worker. To learn more, visit https://bit.ly/CRA-PWA'
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
           );
         });
       } else {
@@ -54,72 +54,72 @@ export function register(config) {
 
 function registerValidSW(swUrl, config) {
   navigator.serviceWorker
-  .register(swUrl)
+    .register(swUrl)
-  .then((registration) => {
+    .then((registration) => {
-    registration.onupdatefound = () => {
+      registration.onupdatefound = () => {
-      const installingWorker = registration.installing;
+        const installingWorker = registration.installing;
-      if (installingWorker == null) {
+        if (installingWorker == null) {
-        return;
+          return;
-      }
+        }
-      installingWorker.onstatechange = () => {
+        installingWorker.onstatechange = () => {
-        if (installingWorker.state === 'installed') {
+          if (installingWorker.state === 'installed') {
-          if (navigator.serviceWorker.controller) {
+            if (navigator.serviceWorker.controller) {
-            // At this point, the updated precached content has been fetched,
+              // At this point, the updated precached content has been fetched,
-            // but the previous service worker will still serve the older
+              // but the previous service worker will still serve the older
-            // content until all client tabs are closed.
+              // content until all client tabs are closed.
-            console.log(
+              console.log(
-              'New content is available and will be used when all ' +
+                'New content is available and will be used when all ' +
-              'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
-            );
+              );
 
-            // Execute callback
+              // Execute callback
-            if (config && config.onUpdate) {
+              if (config && config.onUpdate) {
-              config.onUpdate(registration);
+                config.onUpdate(registration);
-            }
+              }
-          } else {
+            } else {
-            // At this point, everything has been precached.
+              // At this point, everything has been precached.
-            // It's the perfect time to display a
+              // It's the perfect time to display a
-            // "Content is cached for offline use." message.
+              // "Content is cached for offline use." message.
-            console.log('Content is cached for offline use.');
+              console.log('Content is cached for offline use.');
 
-            // Execute callback
+              // Execute callback
-            if (config && config.onSuccess) {
+              if (config && config.onSuccess) {
-              config.onSuccess(registration);
+                config.onSuccess(registration);
+              }
             }
           }
-        }
+        };
       };
-    };
+    })
-  })
+    .catch((error) => {
-  .catch((error) => {
+      console.error('Error during service worker registration:', error);
-    console.error('Error during service worker registration:', error);
+    });
-  });
 }
 
 function checkValidServiceWorker(swUrl, config) {
   // Check if the service worker can be found. If it can't reload the page.
   fetch(swUrl)
-  .then((response) => {
+    .then((response) => {
-    // Ensure service worker exists, and that we really are getting a JS file.
+      // Ensure service worker exists, and that we really are getting a JS file.
-    const contentType = response.headers.get('content-type');
+      const contentType = response.headers.get('content-type');
-    if (
+      if (
-      response.status === 404 ||
+        response.status === 404 ||
-      (contentType != null && contentType.indexOf('javascript') === -1)
+        (contentType != null && contentType.indexOf('javascript') === -1)
-    ) {
+      ) {
-      // No service worker found. Probably a different app. Reload the page.
+        // No service worker found. Probably a different app. Reload the page.
-      navigator.serviceWorker.ready.then((registration) => {
+        navigator.serviceWorker.ready.then((registration) => {
-        registration.unregister().then(() => {
+          registration.unregister().then(() => {
-          window.location.reload();
+            window.location.reload();
+          });
         });
-      });
+      } else {
-    } else {
+        // Service worker found. Proceed as normal.
-      // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
-      registerValidSW(swUrl, config);
+      }
-    }
+    })
-  })
+    .catch(() => {
-  .catch(() => {
+      console.log('No internet connection found. App is running in offline mode.');
-    console.log('No internet connection found. App is running in offline mode.');
+    });
-  });
 }
 
 export function unregister() {