code: function normalizeViewPlugins(plugins, appType) {
      return plugins.map(pluginInfo => {
          let pluginItem = pluginInfo;
          let pluginOptions;
          if (Array.isArray(pluginInfo)) {
              pluginItem = pluginInfo[0];
              pluginOptions = pluginInfo[1];
          }
  
          if (typeof pluginItem === 'string') {
              let pluginPath = BUILTIN_PLUGINS[pluginItem];
              if (typeof pluginPath === 'function') {
                  pluginPath = pluginPath(appType);
              }
              else if (pluginPath && typeof pluginPath === 'object') {
                  pluginPath = pluginPath[appType] || pluginPath.default;
              }
  
              if (pluginPath && Array.isArray(pluginPath)) {
                  pluginOptions = pluginPath[1];
                  pluginPath = pluginPath[0];
              }
  
              pluginPath && (pluginItem = pluginPath);
          }
  
          if (typeof pluginItem === 'string') {
              pluginItem = require(pluginItem);
          }
  
          return pluginOptions ? [pluginItem, pluginOptions] : pluginItem;
      });
  }
docs: Normalize the view transformation plugins
  
  @inner
  @param {Array.<string|Object>} plugins the plugins to normalize
  @param {string} appType the appType to transform
  @return {Array.<Object>}