1 files changed, 14 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/hooks/useIsOnline.ts b/packages/taler-wallet-webextension/src/hooks/useIsOnline.ts
new file mode 100644
index 000000000..8d26bf3b6
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/hooks/useIsOnline.ts
@@ -0,0 +1,14 @@
+import { codecForBoolean } from "@gnu-taler/taler-util";
+import { buildStorageKey, useMemoryStorage } from "@gnu-taler/web-util/browser";
+import { platform } from "../platform/foreground.js";
+import { useEffect } from "preact/hooks";
+
+export function useIsOnline(): boolean {
+  const { value, update } = useMemoryStorage("online", true);
+  useEffect(() => {
+    return platform.listenNetworkConnectionState((state) => {
+      update(state === "on");
+    });
+  });
+  return value;
+}