swiftui url update #swiftui #data #url

swiftui url update.swift

import Combine

class MyObserableObject: ObservableObject {
  @Published var myData: [Int] = []
  private var subscription: AnyCancellable?
  init() {
    subscription = Timer
      .TimerPublisher(interval: 1, runLoop: RunLoop.main, mode: .default)
      .map { _ -> AnyPublisher<[Int], Never> in
        URLSession
        .shared
        .dataTaskPublisher(for: URL(string: "somefakeurl.com")!)
        .map(\.data)
        .decode(type: [Int].self, decoder: JSONDecoder())
        .replaceError(with: [])
        .eraseToAnyPublisher()
      }
      .switchToLatest()
      .receive(on: RunLoop.main)
      .assign(to: \.myData, on: self)
  }
}