Better listening for path changes

src-web/lib/persistPathname.ts

@@ -0,0 +1,21 @@
+import { appWindow } from '@tauri-apps/api/window';
+import { NAMESPACE_NO_SYNC, getKeyValue, setKeyValue } from './keyValueStore';
+
+const key = ['window_pathname', appWindow.label];
+const namespace = NAMESPACE_NO_SYNC;
+const fallback = undefined;
+
+export async function setPathname(value: string) {
+  await setKeyValue<string | undefined>({ key, namespace, value });
+}
+
+export async function maybeRestorePathname() {
+  if (window.location.pathname !== '/') {
+    return;
+  }
+
+  const pathname = await getKeyValue<string | undefined>({ key, namespace, fallback });
+  if (pathname != null) {
+    window.location.replace(pathname);
+  }
+}