Release Healer Man 0.1.9

src/platform/useDocumentVisibility.ts

@@ -0,0 +1,28 @@
+import { useEffect, useState } from "react";
+
+export function documentIsVisible(): boolean {
+  return typeof document === "undefined" || document.visibilityState === "visible";
+}
+
+/**
+ * Tracks whether rendering work can produce a visible frame. Page lifecycle
+ * events cover native/WebView transitions where visibilityState can lag.
+ */
+export function useDocumentVisibility(): boolean {
+  const [visible, setVisible] = useState(documentIsVisible);
+
+  useEffect(() => {
+    const refresh = () => setVisible(documentIsVisible());
+    const hide = () => setVisible(false);
+    document.addEventListener("visibilitychange", refresh);
+    window.addEventListener("pageshow", refresh);
+    window.addEventListener("pagehide", hide);
+    return () => {
+      document.removeEventListener("visibilitychange", refresh);
+      window.removeEventListener("pageshow", refresh);
+      window.removeEventListener("pagehide", hide);
+    };
+  }, []);
+
+  return visible;
+}