// V09 redesign: the legacy side menu was removed. Keep this file
// shipped in case anything still references it, but no-op the click
// handler that used to wire up the burger menu so it does not throw
// "Cannot set properties of null" on the Settings tab.
(function (window, document) {
    var menuLink = document.getElementById("menuLink");
    if (!menuLink) {
        return;
    }

    var layout = document.getElementById("layout");
    var menu   = document.getElementById("menu");

    function toggleClass(element, className) {
        if (!element) return;
        var classes = element.className.split(/\s+/);
        var i;
        for (i = 0; i < classes.length; i++) {
            if (classes[i] === className) {
                classes.splice(i, 1);
                break;
            }
        }
        if (i === classes.length) {
            classes.push(className);
        }
        element.className = classes.join(" ");
    }

    menuLink.onclick = function (e) {
        var active = "active";
        e.preventDefault();
        toggleClass(layout, active);
        toggleClass(menu, active);
        toggleClass(menuLink, active);
    };
}(this, this.document));