Add better error handling to aero

public/sw.js

@@ -0,0 +1,51 @@
+// Example: aero with other proxies in a SW switcher design
+
+// Constants
+/**
+ * @type {string}
+ */
+const dirToAeroConfig = "/aero/";
+/**
+ * @type {string}
+ */
+const dirToUvConfigAndBundle = "/uv/";
+
+importScripts(`${dirToAeroConfig}config.aero.js`);
+importScripts(aeroConfig.bundle["bare-mux"]);
+importScripts(aeroConfig.bundle.handle);
+
+importScripts(`${dirToUvConfigAndBundle}uv.bundle.js`);
+importScripts(`${dirToUvConfigAndBundle}uv.config.js`);
+importScripts(__uv$config.sw);
+
+importScripts(`${dirToAeroConfig}/extras/aeroHandleSimple.js`);
+
+const aeroHandlerWithExtras = patchAeroHandler(handle);
+const uv = new UVServiceWorker();
+
+addEventListener("install", skipWaiting);
+
+// Switching
+let chosenProxy = defaultProxy;
+addEventListener("message", event => {
+	if ("type" in event.data && event.data.type === "changeDefault") {
+		const possibleChosenProxy = event.data.data;
+		if (isValidProxy(possibleChosenProxy))
+			chosenProxy = possibleChosenProxy;
+		else {
+			console.log(
+				`Fatal error: tried to set the default proxy, but the proxy to be set isn't supported: ${chosenProxy}`
+			);
+		}
+	}
+});
+
+addEventListener("fetch", ev => {
+	if (ev.request.url.startsWith(__uv$config.prefix))
+		return ev.respondWith(uv.fetch(ev));
+	if (routeAero(ev)) return ev.respondWith(aeroHandlerWithExtras(ev));
+});
+
+function isValidProxy(proxy) {
+	return ["aero", "uv"].includes(proxy);
+}