function nodeTreeWalkUp()

in tasks/generate-license-data.js [132:144]

• 12 lines of code
• 4 McCabe index (conditional complexity)

    function nodeTreeWalkUp(path, name) {
        // check if walk is needed
        if (nodePackageExists(path, name)) {
            return path;
        }
        while (path.lastIndexOf('/node_modules') != -1) {
            path = path.substr(0, path.lastIndexOf('/node_modules'));
            if (nodePackageExists(path, name)) {
                return path;
            }
        }
        return undefined;
    }