Lint all the things

client/public/firebase-messaging-sw.js

@@ -1,5 +1,7 @@
 // Scripts for firebase and firebase messaging
+// eslint-disable-next-line no-undef
 importScripts("https://www.gstatic.com/firebasejs/10.14.1/firebase-app-compat.js");
+// eslint-disable-next-line no-undef
 importScripts("https://www.gstatic.com/firebasejs/10.14.1/firebase-messaging-compat.js");
 
 // Initialize the Firebase app in the service worker by passing the generated config
@@ -42,13 +44,16 @@ switch (this.location.hostname) {
     };
 }
 
+// eslint-disable-next-line no-undef
 firebase.initializeApp(firebaseConfig);
 
 // Retrieve firebase messaging
+// eslint-disable-next-line no-undef
 const messaging = firebase.messaging();
 
 messaging.onBackgroundMessage(function (payload) {
   // Customize notification here
   console.log("[firebase-messaging-sw.js] Received background message ", payload);
+  // eslint-disable-next-line no-undef
   self.registration.showNotification(notificationTitle, notificationOptions);
 });