function normalizePathArray()

in zh/builder/build.js [280:303]

• 20 lines of code
• 8 McCabe index (conditional complexity)

    function normalizePathArray(parts, allowAboveRoot) {
        var res = [];
        for (var i = 0; i < parts.length; i++) {
            var p = parts[i];

            // ignore empty parts
            if (!p || p === '.') {
                continue;
            }

            if (p === '..') {
                if (res.length && res[res.length - 1] !== '..') {
                    res.pop();
                }
                else if (allowAboveRoot) {
                    res.push('..');
                }
            } else {
                res.push(p);
            }
        }

        return res;
    }