function bindSearch()

in content/references/java-chassis/1.x/gitbook/gitbook-plugin-search/search.js [104:153]
27 lines of code
4 McCabe index (conditional complexity)

    function bindSearch() {
        // Bind DOM
        $searchInput        = $('#book-search-input input');
        $bookSearchResults  = $('#book-search-results');
        $searchList         = $bookSearchResults.find('.search-results-list');
        $searchTitle        = $bookSearchResults.find('.search-results-title');
        $searchResultsCount = $searchTitle.find('.search-results-count');
        $searchQuery        = $searchTitle.find('.search-query');

        // Launch query based on input content
        function handleUpdate() {
            var q = $searchInput.val();

            if (q.length == 0) {
                closeSearch();
            }
            else {
                launchSearch(q);
            }
        }

        // Detect true content change in search input
        // Workaround for IE < 9
        var propertyChangeUnbound = false;
        $searchInput.on('propertychange', function(e) {
            if (e.originalEvent.propertyName == 'value') {
                handleUpdate();
            }
        });

        // HTML5 (IE9 & others)
        $searchInput.on('input', function(e) {
            // Unbind propertychange event for IE9+
            if (!propertyChangeUnbound) {
                $(this).unbind('propertychange');
                propertyChangeUnbound = true;
            }

            handleUpdate();
        });

        // Push to history on blur
        $searchInput.on('blur', function(e) {
            // Update history state
            if (usePushState) {
                var uri = updateQueryString('q', $(this).val());
                history.pushState({ path: uri }, null, uri);
            }
        });
    }