scrollto

/*-----------------------
  @SCROLLTO

  required: http://demos.flesler.com/jquery/scrollTo/
  optional: https://github.com/gdsmith/jquery.easing
------------------------*/
ww.scrollto = (function(){
    var settings = {
        $trigger: $(".btn--scroll"),
        scroll_rate: 200,
        $offset_el: $(".off-canvas"),
        $navbar: $(".navbar"),
        my_offset: 0,
    };
    return {
        init: function() {
            settings.$trigger.on("click", function(e){
                e.preventDefault();
                hash = $(this).attr("href").replace("#", "");
                $scroll_target = $("[name='"+hash+"']");

                if (settings.$offset_el.css("position") == "fixed") {
                    settings.my_offset = settings.$navbar.outerHeight();
                } else {
                    settings.my_offset = 0;
                }
                $.scrollTo($scroll_target, settings.scroll_rate, {
                    offset: -settings.my_offset,
                });
            });
        },
    };
})();