code: function (arg) {
        arg = arg.replace(/ /g, '').replace(/,,/g, ',');
  
        if (arg.indexOf('-modules') === 0) {
          customModules = arg.substring(9).split(',');
        } else if (arg.indexOf('-primary-colors') === 0) {
          customPrimaryColors = arg.substring(16).split(',');
        } else if (arg.indexOf('-accent-colors') === 0) {
          customAccentColors = arg.substring(15).split(',');
        } else if (arg.indexOf('-color-degrees') === 0) {
          customColorDegrees = arg.substring(15).split(',');
        } else if (arg.indexOf('-layout-dark') === 0) {
          customLayoutDark = true;
        }
      }
docs: 参数处理