goog.debug.normalizeErrorObject = function()

in asdoc/library/closure/goog/debug/debug.js [245:296]

• 38 lines of code
• 19 McCabe index (conditional complexity)

goog.debug.normalizeErrorObject = function(err) {
  var href = goog.getObjectByName('window.location.href');
  if (goog.isString(err)) {
    return {
      'message': err,
      'name': 'Unknown error',
      'lineNumber': 'Not available',
      'fileName': href,
      'stack': 'Not available'
    };
  }

  var lineNumber, fileName;
  var threwError = false;

  try {
    lineNumber = err.lineNumber || err.line || 'Not available';
  } catch (e) {
    // Firefox 2 sometimes throws an error when accessing 'lineNumber':
    // Message: Permission denied to get property UnnamedClass.lineNumber
    lineNumber = 'Not available';
    threwError = true;
  }

  try {
    fileName = err.fileName || err.filename || err.sourceURL ||
        // $googDebugFname may be set before a call to eval to set the filename
        // that the eval is supposed to present.
        goog.global['$googDebugFname'] || href;
  } catch (e) {
    // Firefox 2 may also throw an error when accessing 'filename'.
    fileName = 'Not available';
    threwError = true;
  }

  // The IE Error object contains only the name and the message.
  // The Safari Error object uses the line and sourceURL fields.
  if (threwError || !err.lineNumber || !err.fileName || !err.stack ||
      !err.message || !err.name) {
    return {
      'message': err.message || 'Not available',
      'name': err.name || 'UnknownError',
      'lineNumber': lineNumber,
      'fileName': fileName,
      'stack': err.stack || 'Not available'
    };
  }

  // Standards error object
  // Typed !Object. Should be a subtype of the return type, but it's not.
  return /** @type {?} */ (err);
};