initial: add login

utils/storage.ts

@@ -0,0 +1,30 @@
+import AsyncStorage from "@react-native-async-storage/async-storage";
+
+export async function setStorageItem(
+  key: string,
+  value: string
+): Promise<void> {
+  try {
+    await AsyncStorage.setItem(key, value);
+  } catch (error) {
+    console.error("Error setting storage item:", error);
+  }
+}
+
+export async function getStorageItem(key: string): Promise<string | null> {
+  try {
+    const value = await AsyncStorage.getItem(key);
+    return value;
+  } catch (error) {
+    console.error("Error getting storage item:", error);
+    return null;
+  }
+}
+
+export async function removeStorageItem(key: string): Promise<void> {
+  try {
+    await AsyncStorage.removeItem(key);
+  } catch (error) {
+    console.error("Error removing storage item:", error);
+  }
+}

utils/token.ts

@@ -0,0 +1,13 @@
+export function parseJwtToken(token: string) {
+  if (!token) return null;
+
+  const base64Url = token.split('.')[1];
+  const base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
+  const jsonPayload = decodeURIComponent(
+    atob(base64)
+      .split('')
+      .map((c) => '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2))
+      .join(''),
+  );
+  return JSON.parse(jsonPayload);
+}