nav.init = function()

in js/theme.js [72:123]
17 lines of code
1 McCabe index (conditional complexity)

    nav.init = function ($) {
        var doc = $(document),
            self = this;

        this.navBar = $('div.pytorch-side-scroll:first');
        this.win = $(window);

        // Set up javascript UX bits
        $(document)
            // Shift nav in mobile when clicking the menu.
            .on('click', "[data-toggle='pytorch-left-menu-nav-top']", function() {
                $("[data-toggle='wy-nav-shift']").toggleClass("shift");
                $("[data-toggle='rst-versions']").toggleClass("shift");
            })

            // Nav menu link click operations
            .on('click', ".pytorch-menu-vertical .current ul li a", function() {
                var target = $(this);
                // Close menu when you click a link.
                $("[data-toggle='wy-nav-shift']").removeClass("shift");
                $("[data-toggle='rst-versions']").toggleClass("shift");
                // Handle dynamic display of l3 and l4 nav lists
                self.toggleCurrent(target);
                self.hashChange();
            })
            .on('click', "[data-toggle='rst-current-version']", function() {
                $("[data-toggle='rst-versions']").toggleClass("shift-up");
            })

        // Make tables responsive
        $("table.docutils:not(.field-list,.footnote,.citation)")
            .wrap("<div class='wy-table-responsive'></div>");

        // Add extra class to responsive tables that contain
        // footnotes or citations so that we can target them for styling
        $("table.docutils.footnote")
            .wrap("<div class='wy-table-responsive footnote'></div>");
        $("table.docutils.citation")
            .wrap("<div class='wy-table-responsive citation'></div>");

        // Add expand links to all parents of nested ul
        $('.pytorch-menu-vertical ul').not('.simple').siblings('a').each(function () {
            var link = $(this);
                expand = $('<span class="toctree-expand"></span>');
            expand.on('click', function (ev) {
                self.toggleCurrent(link);
                ev.stopPropagation();
                return false;
            });
            link.prepend(expand);
        });
    };