transform.js

function transform(payload) {
  if (payload.data.body.trace) {
    payload.data.body.trace.frames.forEach(function(frame) {
      frame.orig_filename = frame.filename;
      frame.filename = "www.mysite.com/js/" + frame.filename.split("/").pop();
    });
  }
  payload.data.client[is_ios ? "iOS" : "javascript"] = "Cordova";
}