【SwiftUI】シンプルに HTTPリクエスト でお天気情報取得 👉 https://android.benigumo.com/20240109/url-lines/

WeatherButton.swift

import SwiftUI

struct WeatherButton: View {
  @State private var text = "GET"

  private let url = URL(string: "https://wttr.in/?format=3")!

  var body: some View {
    Button(text) {
      text = "Loading ..."
      Task {
        for try await line in url.lines {
          text = line
        }
        // let (data, _) = try await URLSession.shared.data(from: url)
        // text = String(data: data, encoding: .utf8)?.trim(.whitespacesAndNewlines) ?? "ERROR"
      }
    }
    .buttonStyle(.borderedProminent)
  }
}

#Preview {
  WeatherButton()
}