javascript检测用户是否登录用wp的库（不用发送请求到/users/me断点）

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if (wp && wp.user && wp.user.isLoggedIn()) {
      // Show dropdown menu
      console.log('you are logged in');
      $('.header-dropdown').toggle();
    } else {
      // Open login modal
      console.log('you are not');
      $('#login-modal').show();
    }

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