src/cm/media/js/lib/yui/yui_3.10.3/build/series-areaspline-stacked/series-areaspline-stacked-min.js
add some more custom config and put every thing in comment in the custom.yaml template
/*
YUI 3.10.3 (build 2fb5187)
Copyright 2013 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add("series-areaspline-stacked",function(e,t){e.StackedAreaSplineSeries=e.Base.create("stackedAreaSplineSeries",e.AreaSeries,[e.CurveUtil,e.StackingUtil],{drawSeries:function(){this._stackCoordinates(),this.drawStackedAreaSpline()}},{ATTRS:{type:{value:"stackedAreaSpline"}}})},"3.10.3",{requires:["series-stacked","series-areaspline"]});