style: run prettier

src/service-worker.js

@@ -20,7 +20,7 @@ registerRoute(
   // match index.html
   ({ url }) => url.pathname === '/',
   // serve cached index.html first but revalidate in background
-  new StaleWhileRevalidate()
+  new StaleWhileRevalidate(),
 );
 
 // Precache all of the assets generated by your build process.
@@ -51,7 +51,7 @@ registerRoute(
 
     return true;
   },
-  createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html')
+  createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html'),
 );
 
 // An example runtime caching route for requests that aren't handled by the
@@ -66,7 +66,7 @@ registerRoute(
       // least-recently used images are removed.
       new ExpirationPlugin({ maxEntries: 50 }),
     ],
-  })
+  }),
 );
 
 // This allows the web app to trigger skipWaiting via