Adding functions to a loaded node.js module -

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about 2 years ago, wrote node.js module loads existing module (jsts) , adds functions it. here minimal example:

global.jsts = require("jsts"); global.jsts.algorithm.test = function() {console.log("hi")} global.jsts.algorithm.test();

i ran in node (v0.10.18) , printed 

hi

now, run same code in nodejs (v4.2.6) , prints:

typeerror: global.jsts.algorithm.test not function

is there way make work current version of nodejs?

edit: did:

global.jsts.algorithm.x = 1 console.log(global.jsts.algorithm)

and here output:

{ centroid:     { [function: ge]      area2: [function],      centroid3: [function],      getcentroid: [function] },   cgalgorithms:     { [function: he]      orientationindex: [function],      signedarea: [function],      distancelineline: [function],      ispointinring: [function],      computelength: [function],      isccw: [function],      locatepointinring: [function],      distancepointlineperpendicular: [function],      computeorientation: [function],      distancepointline: [function],      isonline: [function],      clockwise: -1,      right: -1,      counterclockwise: 1,      left: 1,      collinear: 0,      straight: 0 },   convexhull:     { [function: me]      extractcoordinates: [function],      radialcomparator: { [function: ye] polarcompare: [function] } },   interiorpointarea:     { [function: oi]      centre: [function],      avg: [function],      safebisectorfinder: { [function: ai] getbisectory: [function] } },   interiorpointline: [function: ui],   interiorpointpoint: [function: li],   robustlineintersector: { [function: ae] nearestendpoint: [function] },   mcpointinring: { [function: ii] mcselecter: [function: ni] },   minimumboundingcircle:     { [function: wi]      pointwitminanglewithx: [function],      lowestpoint: [function],      pointwithminanglewithsegment: [function] },   minimumdiameter:     { [function: li]      nextindex: [function],      computec: [function],      getminimumdiameter: [function],      getminimumrectangle: [function],      computesegmentforline: [function] } }


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