const ID_TOKEN_KEY = "id_token";

/**
 * 获得token
 * @return {string|null} token
 */
export const getToken = () => {
  const token = window.localStorage.getItem(ID_TOKEN_KEY);
  if (token === "undefined") {
    return null;
  } else {
    return token;
  }
};

export const saveToken = token =>
  token && window.localStorage.setItem(ID_TOKEN_KEY, token);

export const destroyToken = () => window.localStorage.removeItem(ID_TOKEN_KEY);