Google Spreadsheet get osm lat lon from node or way id

Coe.js

function getLatLong(osm_node) {
  // Takes an open street map url and returns lat long as a comma separated string
  // eg. osm_node = https://www.openstreetmap.org/way/95010444
  // Returns 56.4563803,-3.069582
  overpass_url = "http://overpass-api.de/api/interpreter?data=";
  
  // TODO - handle this better;
  var node_type = osm_node.split('/')[3]
  var node_id = osm_node.split('/')[4]
  
  
  overpass_query = "[out:json];" // Base query.
  
  switch(node_type)
  {case "node":
      // query for node
      //http://overpass-api.de/api/interpreter?data=[out:json];node(5412454861);out skel;
      overpass_query += "node(" + node_id + ");out skel;";
      var response = UrlFetchApp.fetch(overpass_url + overpass_query);
      var json = response.getContentText();
      obj = JSON.parse(json);
      lat = obj.elements[0].lat
      lon = obj.elements[0].lon
      
      return lat + "," + lon;      
      break;
    case "way":
      // http://overpass-api.de/api/interpreter?data=[out:json];way(126902635);out center;
      // query for way centroid (todo - return geojson). 
      overpass_query += "way(" + node_id + ");out center;";
      var response = UrlFetchApp.fetch(overpass_url + overpass_query);
      var json = response.getContentText();
      obj = JSON.parse(json);
      lat = obj.elements[0].center.lat
      lon = obj.elements[0].center.lon
      return lat + "," + lon;
      break;    
  }
  return "";
}