Angularjs - rota dinamica

route.js

function capitalize(value) {
  return value && value.charAt(0).toUpperCase() + value.substring(1);
}

$stateProvider.state('docs', {
  url: '/:module/:file',
  templateUrl: function ($stateParams){
    return '../../../views/' + $stateParams.module + '/' + $stateParams.file + '.html';
  },
  controllerProvider: function($stateParams, $controller) {
    return capitalize($stateParams.file) + 'Ctrl';
  }
});