Error.captureStackTrace = Error.captureStackTrace || function (obj) { if (Error.prepareStackTrace) { var frame = { isEval: function () { return false; }, getFileName: function () { return "filename"; }, getLineNumber: function () { return 1; }, getColumnNumber: function () { return 1; }, getFunctionName: function () { return "functionName" } }; obj.stack = Error.prepareStackTrace(obj, [frame, frame, frame]); } else { obj.stack = obj.stack || obj.name || "Error"; } }; console.log("omg hi"); exports.generate = require("./generator"); exports.transform = require("./transform");