public class TokenFactoryService
{
    private readonly JwtBearerOptions _jwtBearerOptions;

    public TokenFactoryService(IOptionsSnapshot<JwtBearerOptions> jwtBearerOptions)
    {
        if (jwtBearerOptions == null)
        {
            throw new ArgumentNullException(nameof(jwtBearerOptions));
        }

        _jwtBearerOptions = jwtBearerOptions.Value ?? throw new ArgumentNullException(nameof(jwtBearerOptions));
    }

    // From: https://github.com/dotnet/aspnetcore/blob/a450cb69b5e4549f5515cdb057a68771f56cefd7/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
    public bool ValidateJwt(string token)
    {
        foreach (var validator in _jwtBearerOptions.SecurityTokenValidators)
        {
            try
            {
                if (validator.CanReadToken(token))
                {
                    validator.ValidateToken(token, _jwtBearerOptions.TokenValidationParameters, out _);
                }
            }
            catch
            {
                return false;
            }
        }

        return true;
    }
}

$routeProvider.when('/about', {templateUrl:'views/about.html', resolve:{deps:function($q, $rootScope)
{
    var deferred = $q.defer();
    var dependencies =
    [
        'controllers/AboutViewController.js',
        'directives/some-directive.js'
    ];
  
    //*نکته اول 
    $script(dependencies, function()
    {
        // *نکته دوم
        $rootScope.$apply(function()
        {
            deferred.resolve();
        });
    });
  
    return deferred.promise;
}}})