リファクタリング

Apps.js

@@ -13,8 +13,6 @@ import AsyncStorage from "@react-native-async-storage/async-storage";
 import StatusbarDetect from './StatusbarDetect';
 var Status = StatusbarDetect(); */
 
-export var webview = null;
-
 export default function Apps(props) {
   const {
     navigation: { navigate },

UpdateAsync.js

@@ -1,19 +1,18 @@
 import { ToastAndroid } from "react-native";
 import * as Updates from "expo-updates";
 
-export function UpdateAsync() {
+export const UpdateAsync = () =>
   Updates.checkForUpdateAsync()
     .then((update) => {
-      if (update.isAvailable) {
-        ToastAndroid.showWithGravityAndOffset(
-          "アプリのデータを更新しています。",
-          ToastAndroid.LONG,
-          ToastAndroid.BOTTOM,
-          25,
-          50
-        );
-        Updates.fetchUpdateAsync().then(() => Updates.reloadAsync());
-      }
+      if (!update.isAvailable) return;
+      ToastAndroid.showWithGravityAndOffset(
+        "アプリのデータを更新しています。",
+        ToastAndroid.LONG,
+        ToastAndroid.BOTTOM,
+        25,
+        50
+      );
+      Updates.fetchUpdateAsync().then(() => Updates.reloadAsync());
     })
     .catch((e) =>
       ToastAndroid.showWithGravityAndOffset(
@@ -24,4 +23,3 @@ export function UpdateAsync() {
         50
       )
     );
-}

components/trainMenu.js

@@ -55,13 +55,7 @@ export default function trainMenu({
                   }}
                   onPress={() => {
                     webview.current?.injectJavaScript(
-                      "MoveDisplayStation('" +
-                        d +
-                        "_" +
-                        D.MyStation +
-                        "_" +
-                        D.Station_JP +
-                        "')"
+                      `MoveDisplayStation('${d}_${D.MyStation}_${D.Station_JP}')`
                     );
                     navigate("Apps");
                   }}