recursively get files with certain data type from NSBundle

recursive-bundle.swift

extension NSBundle {
    
    func recursivePathsForResources(type type: String) -> [NSURL] {
        
        // Enumerators are recursive
        let enumerator = NSFileManager.defaultManager().enumeratorAtPath(bundlePath)
        var filePaths = [NSURL]()
        
        while let filePath = enumerator?.nextObject() as? String {
        
            if NSURL(fileURLWithPath: filePath).pathExtension == type {
                filePaths.append(bundleURL.URLByAppendingPathComponent(filePath))
            }
        }
        
        return filePaths
    }
}