function resolveError()

in stackdriver-errors.js [144:169]

• 21 lines of code
• 3 McCabe index (conditional complexity)

function resolveError(err, firstFrameIndex) {
  // This will use sourcemaps and normalize the stack frames
  return StackTrace.fromError(err).then(function(stack) {
    var lines = [err.toString()];
    // Reconstruct to a JS stackframe as expected by Error Reporting parsers.
    for (var s = firstFrameIndex; s < stack.length; s++) {
      // Cannot use stack[s].source as it is not populated from source maps.
      lines.push([
        '    at ',
        // If a function name is not available '<anonymous>' will be used.
        stack[s].getFunctionName() || '<anonymous>', ' (',
        stack[s].getFileName(), ':',
        stack[s].getLineNumber(), ':',
        stack[s].getColumnNumber(), ')',
      ].join(''));
    }
    return lines.join('\n');
  }, function(reason) {
    // Failure to extract stacktrace
    return [
      'Error extracting stack trace: ', reason, '\n',
      err.toString(), '\n',
      '    (', err.file, ':', err.line, ':', err.column, ')',
    ].join('');
  });
}