Service Worker: option to disable media cache by disabling worker outright

src/webpage/localuser.ts

@@ -2493,13 +2493,13 @@ class Localuser {
 			const sw = update.addSelect(
 				I18n.localuser.swSettings(),
 				() => {},
-				(["SWOff", "SWOffline", "SWOn"] as const).map((e) => I18n.localuser[e]()),
+				(["SWOff", "SWOffline", "SWOn", "SWUnregistered"] as const).map((e) => I18n.localuser[e]()),
 				{
 					defaultIndex: index,
 				},
 			);
 			sw.onchange = (e) => {
-				SW.setMode((["false", "offlineOnly", "true"] as const)[e]);
+				SW.setMode((["false", "offlineOnly", "true", "unregistered"] as const)[e]);
 			};
 			update.addButtonInput("", I18n.localuser.CheckUpdate(), async () => {
 				const update = await SW.checkUpdates();

src/webpage/utils/utils.ts

@@ -986,6 +986,9 @@ export class SW {
 	}
 	static async start() {
 		if (!("serviceWorker" in navigator)) return;
+
+		// If it's registered, it handles CDN caching regardless of settings.
+		if(localStorage.getItem("SWMode") === "unregistered") return;
 		return new Promise<void>((res) => {
 			navigator.serviceWorker
 				.register("/service.js", {
@@ -1016,7 +1019,7 @@ export class SW {
 				});
 		});
 	}
-	static setMode(mode: "false" | "offlineOnly" | "true") {
+	static setMode(mode: "false" | "offlineOnly" | "true" | "unregistered") {
 		localStorage.setItem("SWMode", mode);
 		if (this.worker) {
 			this.worker.postMessage({data: mode, code: "setMode"});

translations/en.json

@@ -516,6 +516,7 @@
 		"VoiceWarning": "Are you sure you want to enable this? It's very experimental and is likely to cause issues. (this feature is for devs, please don't enable if you don't know what you're doing)",
 		"updateSettings": "Update Settings",
 		"swSettings": "Service Worker setting",
+		"SWUnregistered": "Off (including media cache)",
 		"SWOff": "Off",
 		"SWOffline": "Offline only",
 		"SWOn": "On",