parse url params in swift with an extension

url-params-extension.swift

extension URL {

  // Usage:
  // URL(string:"http://.../?x=1&y=2").params()
  func params() -> [String:Any] {
    var dict = [String:Any]()
    
    if let components = URLComponents(url: self, resolvingAgainstBaseURL: false) {
      if let queryItems = components.queryItems {
        for item in queryItems {
          dict[item.name] = item.value!
        }
      }
      return dict
    } else {
      return [:]
    }
  }
}