const TOKEN_KEY = 'token'; const isLogin = () => { return !!localStorage.getItem(TOKEN_KEY); }; const getToken = () => { return localStorage.getItem(TOKEN_KEY); }; const setToken = (token: string) => { localStorage.setItem(TOKEN_KEY, token); }; const clearToken = () => { localStorage.removeItem(TOKEN_KEY); }; export { isLogin, getToken, setToken, clearToken };