var updateHorizontalBarChart = function()

in source/web_site/js/dash.js [375:403]

• 23 lines of code
• 7 McCabe index (conditional complexity)

    var updateHorizontalBarChart = function(data, noOfTopItems, chartName, queryTime, labelFunc=identity) {
        var items = data.Items;
        var ipCountMap = {};

        // Merge the counts of each DDB item into a single map.
        for (var i=0; i<items.length; i++) {
            var entryMap = JSON.parse(items[i].Data);
            var mySet = new Set(Object.keys(entryMap));
            for (let key1 of mySet) ipCountMap[key1] = (ipCountMap[key1]||0) + entryMap[key1];
        }

        if (items.length > 0) {
            //console.log(items);
            queryTime = items[items.length-1].EventTime;

            var topIps = Object.keys(ipCountMap).sort(function(a,b) { return ipCountMap[b] - ipCountMap[a]}).slice(0,noOfTopItems);
            if (topIps.length < noOfTopItems) {
                ipCountMap[""] = 0;
                for (var i=topIps.length; i<noOfTopItems; i++) {
                    topIps.push("");
                }
            }

            var topIpCounts = topIps.map(function(ip) {return ipCountMap[ip]; })
            topIps = topIps.map(labelFunc);
            addData(chartName,topIps,topIpCounts);
        }
        return queryTime;
    };