Sample for anysort error

index.js

var anysort = require('anysort');

var sortArr = [ 'js/vendor/angular/angular.js',
  'js/vendor/angular-bootstrap/ui-bootstrap-tpls.min.js',
  'js/vendor/angular-ui-router/release/angular-ui-router.js',
  'js/vendor/angular-ui-utils/modules/route/route.js',
  'js/vendor/firebase/firebase.js',
  'js/vendor/angularfire/angularfire.js',
  'js/common/**/*.js',
  'js/app/**/*.js',
  'js/**/*.js',
  'css/*.css' ];

var data = [ 'js/app/app.js' ,
  'js/app/about/about.js',
  'js/app/home/home.js',
  'js/app/list/list.js',
  'js/app/lists/lists.js',
  'js/common/directives/ActiveRoute.js',
  'js/common/services/ListsService.js',
  'js/templates/about/about.tpl.js',
  'js/templates/home/home.tpl.js',
  'js/templates/list/list.tpl.js',
  'js/templates/lists/lists.tpl.js',
  'js/vendor/angular/angular.js',
  'js/vendor/angular-bootstrap/ui-bootstrap-tpls.min.js',
  'js/vendor/angularfire/angularfire.js',
  'js/vendor/firebase/firebase.js',
  'js/vendor/angular-ui-router/release/angular-ui-router.js'];

// wrapped so we can tap into the sorting process
var as = anysort(sortArr);
var sorter = function(a,b){ console.log(a, '<=>', b); return as(a, b) };
data.sort(sorter);
console.log(data);

package.json

{
  "name": "anysort-error",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "anysort": "~0.1.2"
  }
}