diff --git a/assets/originData/between.js b/assets/originData/between.ts
similarity index 100%
rename from assets/originData/between.js
rename to assets/originData/between.ts
diff --git a/assets/originData/dosan.js b/assets/originData/dosan.ts
similarity index 100%
rename from assets/originData/dosan.js
rename to assets/originData/dosan.ts
diff --git a/assets/originData/dosan2.js b/assets/originData/dosan2.ts
similarity index 100%
rename from assets/originData/dosan2.js
rename to assets/originData/dosan2.ts
diff --git a/assets/originData/koutoku.js b/assets/originData/koutoku.ts
similarity index 100%
rename from assets/originData/koutoku.js
rename to assets/originData/koutoku.ts
diff --git a/assets/originData/lineColorList.js b/assets/originData/lineColorList.ts
similarity index 100%
rename from assets/originData/lineColorList.js
rename to assets/originData/lineColorList.ts
diff --git a/assets/originData/naruto.js b/assets/originData/naruto.ts
similarity index 100%
rename from assets/originData/naruto.js
rename to assets/originData/naruto.ts
diff --git a/assets/originData/seto.js b/assets/originData/seto.ts
similarity index 100%
rename from assets/originData/seto.js
rename to assets/originData/seto.ts
diff --git a/assets/originData/tokushima.js b/assets/originData/tokushima.ts
similarity index 100%
rename from assets/originData/tokushima.js
rename to assets/originData/tokushima.ts
diff --git a/assets/originData/trainList.js b/assets/originData/trainList.ts
similarity index 100%
rename from assets/originData/trainList.js
rename to assets/originData/trainList.ts
diff --git a/assets/originData/train_lang.js b/assets/originData/train_lang.ts
similarity index 100%
rename from assets/originData/train_lang.js
rename to assets/originData/train_lang.ts
diff --git a/assets/originData/uwajima.js b/assets/originData/uwajima.ts
similarity index 100%
rename from assets/originData/uwajima.js
rename to assets/originData/uwajima.ts
diff --git a/assets/originData/uwajima2.js b/assets/originData/uwajima2.ts
similarity index 100%
rename from assets/originData/uwajima2.js
rename to assets/originData/uwajima2.ts
diff --git a/assets/originData/yosan.js b/assets/originData/yosan.ts
similarity index 100%
rename from assets/originData/yosan.js
rename to assets/originData/yosan.ts
diff --git a/lib/getStationList2.js b/lib/getStationList2.ts
similarity index 96%
rename from lib/getStationList2.js
rename to lib/getStationList2.ts
index e554828..6d5bb5c 100644
--- a/lib/getStationList2.js
+++ b/lib/getStationList2.ts
@@ -7,7 +7,7 @@ import koutoku from "../assets/originData/koutoku";
 import tokushima from "../assets/originData/tokushima";
 import naruto from "../assets/originData/naruto";
 import seto from "../assets/originData/seto";
-export const getStationList2 = async (props) => {
+export const getStationList2 = async () => {
   return {
     yosan,
     uwajima,
diff --git a/lib/webViewInjectjavascript.js b/lib/webViewInjectjavascript.ts
similarity index 99%
rename from lib/webViewInjectjavascript.js
rename to lib/webViewInjectjavascript.ts
index e9feaf4..089405a 100644
--- a/lib/webViewInjectjavascript.js
+++ b/lib/webViewInjectjavascript.ts
@@ -1,6 +1,12 @@
 import { getJRF } from "../components/custom-train-data";
 
-export const injectJavascriptData = (
+type InjectJavascriptData = (
+  a: string,
+  b: string,
+  c: string,
+  d: string
+) => string;
+export const injectJavascriptData: InjectJavascriptData = (
   mapSwitch,
   iconSetting,
   stationMenu,