Fix(ServiceWorker): Mitigate persistent TypeError by disabling auto-registration
- Mitigation: Disabled `serviceWorker.register` in `svelte.config.js` to stop the loop of `TypeError` during script evaluation. - Debug Tool: Preserved the `fix-sw` cache clearing utility by moving it to `src/routes/testing/fix-sw/+page.svelte` for future investigation. - Service Worker: Simplified `src/service-worker.js` to a minimal "Hello World" state and removed the problematic `.ts` version. - Cleanup: Minor formatting adjustment in `ae_events_functions.ts`. - Docs: Updated `TODO.md` and `GEMINI.md` to reflect the mitigation and planned follow-up.
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@@ -76,8 +76,7 @@ const export_obj = {
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// Event Files
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load_ae_obj_id__event_file: event_file.load_ae_obj_id__event_file,
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load_ae_obj_li__event_file: event_file.load_ae_obj_li__event_file,
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create_event_file_obj_from_hosted_file_async:
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event_file.create_event_file_obj_from_hosted_file_async,
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create_event_file_obj_from_hosted_file_async: event_file.create_event_file_obj_from_hosted_file_async,
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delete_ae_obj_id__event_file: event_file.delete_ae_obj_id__event_file,
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update_ae_obj__event_file: event_file.update_ae_obj__event_file,
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qry__event_file: event_file.qry__event_file,
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71
src/routes/testing/fix-sw/+page.svelte
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71
src/routes/testing/fix-sw/+page.svelte
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@@ -0,0 +1,71 @@
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<script>
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import { onMount } from 'svelte';
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let status = $state([]);
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function log(msg) {
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status = [...status, `${new Date().toLocaleTimeString()} - ${msg}`];
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console.log(`[FIX-SW] ${msg}`);
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}
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async function nukeServiceWorkers() {
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log('Starting Service Worker cleanup...');
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if (!('serviceWorker' in navigator)) {
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log('Service Workers not supported in this browser.');
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return;
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}
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try {
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const registrations = await navigator.serviceWorker.getRegistrations();
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log(`Found ${registrations.length} registrations.`);
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for (const registration of registrations) {
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const scope = registration.scope;
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log(`Unregistering SW at scope: ${scope}`);
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const success = await registration.unregister();
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log(`Unregister success: ${success}`);
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}
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if (registrations.length === 0) {
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log('No active Service Workers found.');
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}
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log('Clearing Cache Storage...');
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const cacheKeys = await caches.keys();
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for (const key of cacheKeys) {
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log(`Deleting cache: ${key}`);
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await caches.delete(key);
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}
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log('Cache storage cleared.');
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log('DONE. Please reload the application now.');
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} catch (err) {
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log(`ERROR: ${err.message}`);
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console.error(err);
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}
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}
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onMount(() => {
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nukeServiceWorkers();
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});
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</script>
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<div class="p-8 max-w-2xl mx-auto font-mono">
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<h1 class="text-2xl font-bold mb-4 text-red-600">Service Worker Reset Tool</h1>
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<p class="mb-4">Attempting to unregister all service workers and clear caches to fix the TypeError loop.</p>
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<div class="bg-gray-100 p-4 rounded border border-gray-300 min-h-[200px]">
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{#each status as line}
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<div class="border-b border-gray-200 last:border-0 py-1">{line}</div>
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{/each}
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</div>
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<button
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class="mt-4 px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700"
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onclick={() => window.location.reload()}
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>
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Reload Page
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</button>
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</div>
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@@ -1,77 +1,13 @@
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/// <reference types="@sveltejs/kit" />
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import { build, files, version } from '$service-worker';
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/// <reference lib="webworker" />
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// Create a unique cache name for this deployment
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const CACHE = `cache-${version}`;
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console.log('Service Worker: Hello from the simplified JS worker!');
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const ASSETS = [
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...build, // the app itself
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...files // everything in `static`
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];
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self.addEventListener('install', (event) => {
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// Create a new cache and add all files to it
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async function addFilesToCache() {
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const cache = await caches.open(CACHE);
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await cache.addAll(ASSETS);
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}
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event.waitUntil(addFilesToCache());
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self.addEventListener('install', () => {
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console.log('Service Worker: Installed');
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self.skipWaiting();
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});
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self.addEventListener('activate', (event) => {
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// Delete old caches
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async function deleteOldCaches() {
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for (const key of await caches.keys()) {
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if (key !== CACHE) await caches.delete(key);
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}
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}
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event.waitUntil(deleteOldCaches());
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self.addEventListener('activate', () => {
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console.log('Service Worker: Activated');
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});
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self.addEventListener('fetch', (event) => {
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// ignore POST requests etc
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if (event.request.method !== 'GET') return;
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async function respond() {
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const url = new URL(event.request.url);
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const cache = await caches.open(CACHE);
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// `build`/`files` can always be served from the cache
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if (ASSETS.includes(url.pathname)) {
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const response = await cache.match(url.pathname);
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if (response) {
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return response;
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}
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}
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// for everything else, try the network first, but fallback to the cache if we're offline
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try {
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const response = await fetch(event.request);
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// if we're offline, fetch can return a value that is not a response
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// instead of throwing - check it is a real response
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if (response instanceof Response) {
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if (response.status === 200) {
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cache.put(event.request, response.clone());
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}
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return response;
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}
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throw new Error('invalid response');
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} catch (err) {
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const response = await cache.match(event.request);
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if (response) {
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return response;
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}
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// if there is no match, the throw will propagate to the browser, which
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// will show its default offline page.
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throw err;
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}
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}
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event.respondWith(respond());
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});
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