function promote()

in js/libs/purl-2.3.1/purl.js [67:73]

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

    function promote(parent, key) {
        if (parent[key].length === 0) return parent[key] = {};
        var t = {};
        for (var i in parent[key]) t[i] = parent[key][i];
        parent[key] = t;
        return t;
    }