window.onerror = function()

in stackdriver-errors.js [72:78]

• 7 lines of code
• 2 McCabe index (conditional complexity)

    window.onerror = function(message, source, lineno, colno, error) {
      if (error) {
        reporter.report(error).catch(noop);
      }
      oldErrorHandler(message, source, lineno, colno, error);
      return true;
    };