function filterByPluginExists(pluginList) {
	    return function (plugin) {
	      return pluginList.indexOf(plugin) !== -1;
	    }
	  }
/**
	   * Filters a list of plugins by their validity
	   *
	   * @param  {Array<String>} pluginList   List of plugins to check against
	   * @return {Function}                   Filtering function based upon the given list
	   */
Filters a list of plugins by their validity
@param  {Array} pluginList   List of plugins to check against
@return {Function}                   Filtering function based upon the given list
Filters a list of plugins by their validity @param { Array } pluginList List of plugins to check against @return { Function } Filtering function based upon the given list
function filterByPluginExists(pluginList) {
	    return function (plugin) {
	      return pluginList.indexOf(plugin) !== -1;
	    }
	  }
function filterByPluginExists ( pluginList ) { return function ( plugin ) { return pluginList . indexOf ( plugin ) !== - 1 ; } }
Filters a list of plugins by their validity
 @param  {Array<String>} pluginList   List of plugins to check against
 @return {Function}                   Filtering function based upon the given list
Filters a list of plugins by their validity @param { Array<String > } pluginList List of plugins to check against @return { Function } Filtering function based upon the given list