URLComponentsExample.swift

import Foundation


let sampleURL = URL(string: "https://example.com/auth-callback#access_token=mytoken&expires_in=36000&scope=zap+profile")

var sampleComponents = URLComponents()
sampleComponents.query = sampleURL?.fragment

for item in sampleComponents.queryItems! {
  print("\(item.name): \(item.value)")
}

//host - The host subcomponent.
//var host: String? { get set }

var url = URL(string: "https://sabapathy7.medium.com")
url = url?.appending(component: "users")
print(url)
var components = URLComponents()
components.scheme = "https"
components.host = "sabapathy7.medium.com"
print(components.url)

let queryItemToken = URLQueryItem(name: "token", value: "12345")
let queryItemQuery = URLQueryItem(name: "query", value: "swift ios")

components.queryItems = [queryItemToken, queryItemQuery]
print(components.url)
components.fragment = "five"
components.user = "saba"
components.password = "password"
print(components.url)


let decodeURL = URL(string: "https://saba:password@sabapathy7.medium.com?token=12345&query=swift%20ios#five")
let decodeComponents = URLComponents(url: decodeURL!, resolvingAgainstBaseURL: false)
if let components = decodeComponents {
    print(components.host)
    print(components.query)
    print(components.percentEncodedQuery)
    if let queryItems = components.queryItems {
        for queryItem in queryItems {
            print("\(queryItem.name): \(queryItem.value)")
        }
    }
}