versions.js

"use strict";

angular.module('versions', [])

.controller('DocsVersionsCtrl', ['$scope', '$location', '$window', 'NG_VERSIONS', function($scope, $location, $window, NG_VERSIONS) {
  $scope.docs_version  = NG_VERSIONS[0];
  $scope.docs_versions = NG_VERSIONS;

  for(var i=0, minor = NaN; i < NG_VERSIONS.length; i++) {
    var version = NG_VERSIONS[i];
    // NaN will give false here
    if (minor <= version.minor) {
      continue;
    }
    version.isLatest = true;
    minor = version.minor;
  }

  $scope.getGroupName = function(v) {
    return v.isLatest ? 'Latest' : ('v' + v.major + '.' + v.minor + '.x');
  };

  $scope.jumpToDocsVersion = function(version) {
    var currentPagePath = $location.path().replace(/\/$/, ''),
        url = '';
    if (version.isOldDocsUrl) {
      url = version.docsUrl;
    }else{
      url = version.docsUrl + currentPagePath;
    }
    $window.location = url;
  };
}]);