Load JSON FileManager Extension

gistfile1.txt

extension FileManager {
    
    class func loadJSON(from file : String) -> Any? {
        do {
            if let file = Bundle.main.url(forResource: file, withExtension: "json") {
                let data = try Data(contentsOf: file)
                let json = try JSONSerialization.jsonObject(with: data, options: [])
                if let dict = json as? [String: Any] {
                    return dict
                } else if let array = json as? [Any] {
                    return array
                } else {
                    print("JSON is invalid")
                }
            } else {
                print("no file")
            }
        } catch {
            print(error.localizedDescription)
        }
        
        return nil
    }
}