docs: function getNodeFromFiles(scriptFile, mapFile) {
      if (fs.existsSync(scriptFile) && fs.existsSync(mapFile)) {
          try {
              return SourceNode.fromStringWithSourceMap(
                  getScriptFromFile(scriptFile),
                  new SourceMapConsumer(getMapFromMapFile(mapFile))
              );
          } catch (error) {
              console.error('getNodeFromFiles() error: ' + error);
              return new SourceNode();
          }
      } else {
          return new SourceNode();
      }
  }