ふぁぼstateをトップ階層に移動し各コンポーネントで共有化

components/FavoriteList.js

@@ -8,20 +8,14 @@ import { AS } from "../storageControl";
 import { news } from "../config/newsUpdate";
 import { getStationList, lineList } from "../lib/getStationList";
 var Status = StatusbarDetect();
-export default function FavoriteList({ navigation, webview, stationData }) {
+export default function FavoriteList({
+  navigation,
+  webview,
+  stationData,
+  favoriteStation,
+  setFavoriteStation,
+}) {
   const { navigate } = navigation;
-  const [favoriteStation, setFavoriteStation] = useState([]);
-
-  useEffect(() => {
-    AS.getItem("favoriteStation")
-      .then((d) => {
-        console.log(d);
-        const returnData = JSON.parse(d);
-        console.log(returnData);
-        setFavoriteStation(returnData);
-      })
-      .catch((d) => console.log(d));
-  }, []);
 
   return (
     <View style={{ height: "100%", backgroundColor: "#0099CC" }}>