function doSearch()

in api/search.js [229:292]
18 lines of code
3 McCabe index (conditional complexity)

function doSearch(request, response) {
    var result = [];
    searchPattern = createSearchPattern(request.term);
    fallbackPattern = createSearchPattern(request.term.toLowerCase());
    if (searchPattern === "") {
        return this.close();
    }
    var camelCaseMatcher = createMatcher(searchPattern, "");
    var fallbackMatcher = new RegExp(fallbackPattern, "i");

    function searchIndexWithMatcher(indexArray, matcher, category, nameFunc) {
        if (indexArray) {
            var newResults = [];
            $.each(indexArray, function (i, item) {
                item.category = category;
                var ranking = rankMatch(matcher.exec(nameFunc(item)), category);
                if (ranking < RANKING_THRESHOLD) {
                    newResults.push({ranking: ranking, item: item});
                }
                return newResults.length <= MAX_RESULTS;
            });
            return newResults.sort(function(e1, e2) {
                return e1.ranking - e2.ranking;
            }).map(function(e) {
                return e.item;
            });
        }
        return [];
    }
    function searchIndex(indexArray, category, nameFunc) {
        var primaryResults = searchIndexWithMatcher(indexArray, camelCaseMatcher, category, nameFunc);
        result = result.concat(primaryResults);
        if (primaryResults.length <= MIN_RESULTS && !camelCaseMatcher.ignoreCase) {
            var secondaryResults = searchIndexWithMatcher(indexArray, fallbackMatcher, category, nameFunc);
            result = result.concat(secondaryResults.filter(function (item) {
                return primaryResults.indexOf(item) === -1;
            }));
        }
    }

    searchIndex(moduleSearchIndex, catModules, function(item) { return item.l; });
    searchIndex(packageSearchIndex, catPackages, function(item) {
        return (item.m && request.term.indexOf("/") > -1)
            ? (item.m + "/" + item.l) : item.l;
    });
    searchIndex(typeSearchIndex, catTypes, function(item) {
        return request.term.indexOf(".") > -1 ? item.p + "." + item.l : item.l;
    });
    searchIndex(memberSearchIndex, catMembers, function(item) {
        return request.term.indexOf(".") > -1
            ? item.p + "." + item.c + "." + item.l : item.l;
    });
    searchIndex(tagSearchIndex, catSearchTags, function(item) { return item.l; });

    if (!indexFilesLoaded()) {
        updateSearchResults = function() {
            doSearch(request, response);
        }
        result.unshift(loading);
    } else {
        updateSearchResults = function() {};
    }
    response(result);
}