that.keydownHandler = function()

in document/legacy/3.x/community/js/auto-complete.js [130:159]

• 27 lines of code
• 14 McCabe index (conditional complexity)

            that.keydownHandler = function(e){
                var key = window.event ? e.keyCode : e.which;
                // down (40), up (38)
                if ((key == 40 || key == 38) && that.sc.innerHTML) {
                    var next, sel = that.sc.querySelector('.autocomplete-suggestion.selected');
                    if (!sel) {
                        next = (key == 40) ? that.sc.querySelector('.autocomplete-suggestion') : that.sc.childNodes[that.sc.childNodes.length - 1]; // first : last
                        next.className += ' selected';
                        console.log(next);
                        that.value = next.getAttribute('data-val');
                    } else {
                        next = (key == 40) ? sel.nextSibling : sel.previousSibling;
                        if (next) {
                            sel.className = sel.className.replace('selected', '');
                            next.className += ' selected';
                            that.value = next.getAttribute('data-val');
                        }
                        else { sel.className = sel.className.replace('selected', ''); that.value = that.last_val; next = 0; }
                    }
                    that.updateSC(0, next);
                    return false;
                }
                // esc
                else if (key == 27) { that.value = that.last_val; that.sc.style.display = 'none'; }
                // enter
                else if (key == 13 || key == 9) {
                    var sel = that.sc.querySelector('.autocomplete-suggestion.selected');
                    if (sel && that.sc.style.display != 'none') { o.onSelect(e, sel.getAttribute('data-val'), sel); setTimeout(function(){ that.sc.style.display = 'none'; }, 20); }
                }
            };