Function directiveNormalize

test/angular/1.7/angular.js:11469–11475

* Converts all accepted directives format into proper directive name. * @param name Name to normalize

(name)

 * @param name Name to normalize
 */
function directiveNormalize(name) {
  return name
    .replace(PREFIX_REGEXP, '')
    .replace(SPECIAL_CHARS_REGEXP, function(_, letter, offset) {
      return offset ? letter.toUpperCase() : letter;
    });
}

/**
 * @ngdoc type