Move into constructor

src/vector/init.tsx

@@ -49,8 +49,6 @@ export function preparePlatform() {
         console.log("Using Web platform");
         PlatformPeg.set(new WebPlatform());
     }
-    // Register service worker if available on this platform
-    PlatformPeg.get().registerServiceWorker();
 }
 
 export async function loadConfig() {

src/vector/platform/WebPlatform.ts

@@ -34,16 +34,18 @@ const POKE_RATE_MS = 10 * 60 * 1000; // 10 min
 export default class WebPlatform extends VectorBasePlatform {
     private runningVersion: string = null;
 
-    getHumanReadableName(): string {
-        return 'Web Platform'; // no translation required: only used for analytics
-    }
-
-    registerServiceWorker(): void {
+    constructor() {
+        super();
+        // Register service worker if available on this platform
         if ('serviceWorker' in navigator) {
             navigator.serviceWorker.register('sw.js');
         }
     }
 
+    getHumanReadableName(): string {
+        return 'Web Platform'; // no translation required: only used for analytics
+    }
+
     /**
      * Returns true if the platform supports displaying
      * notifications, otherwise false.