Add get env helper

app.config.js

@@ -38,6 +38,7 @@ export default {
       messagingSenderId: process.env.messagingSenderId,
       appId: process.env.appId,
       measurementId: process.env.measurementId,
+      env: process.env.env,
     },
   },
 };

src/helpers/getEnv.ts

+import Constants from "expo-constants";
+
+export const getEnv = (): "dev" | "stg" | "prod" => {
+  const env: string = Constants.manifest.extra?.env || process.env.env;
+
+  if (env === "dev" || env === "stg" || env === "prod") {
+    return env;
+  } else {
+    return "dev";
+  }
+};