Update index.ts

happykit · Feb 12, 2021 · bec2eb5 · bec2eb5
1 parent 6e3eb78
commit bec2eb5
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -364,6 +364,8 @@ function usePrimitiveFlags<F extends Flags>(
 
     let latestFetchId: number;
     const listener = async () => {
+      if (typeof document !== 'object' || document.visibilityState === 'hidden') return;
+
       const fetchId = (latestFetchId = Date.now());
 
       try {
@@ -390,9 +392,9 @@ function usePrimitiveFlags<F extends Flags>(
       }
     };
 
-    window.addEventListener('focus', listener);
+    window.addEventListener('visibilitychange', listener);
     return () => {
-      window.removeEventListener('focus', listener);
+      window.removeEventListener('visibilitychange', listener);
     };
   }, [revalidateOnFocus, setFlags, userAttributes]);