upd: login

Deskripsi:
- login token
- logout

No Issues

providers/AuthProvider.tsx

@@ -0,0 +1,60 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import {router} from "expo-router";
+import {createContext, MutableRefObject, ReactNode, useCallback, useContext, useEffect, useRef, useState} from 'react';
+
+const AuthContext = createContext<{
+  signIn: (arg0: string) => void;
+  signOut: () => void
+  token: MutableRefObject<string | null> | null;
+  isLoading: boolean
+}>({
+  signIn: () => null,
+  signOut: () => null,
+  token: null,
+  isLoading: true
+});
+
+// This hook can be used to access the user info.
+export function useAuthSession() {
+  return useContext(AuthContext);
+}
+
+export default function AuthProvider  ({children}:{children: ReactNode}): ReactNode {
+  const tokenRef = useRef<string|null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    (async ():Promise<void> => {
+      const token = await AsyncStorage.getItem('@token');
+      tokenRef.current = token || '';
+      setIsLoading(false);
+    })()
+  }, []);
+
+  const signIn = useCallback(async (token: string) => {
+    await AsyncStorage.setItem('@token', token);
+    tokenRef.current = token;
+    router.replace('/home')
+  }, []);
+
+  const signOut = useCallback(async () => {
+    await AsyncStorage.setItem('@token', '');
+    tokenRef.current = null;
+    router.replace('/');
+  }, []);
+
+  console.log('token', tokenRef.current);
+
+  return (
+    <AuthContext.Provider
+      value={{
+        signIn,
+        signOut,
+        token: tokenRef,
+        isLoading
+      }}
+    >
+      {children}
+    </AuthContext.Provider>
+  );
+};