benigumocom

import SwiftUI
import SwiftData

struct PreviewOneModelView<Model: PersistentModel, Content: View>: View {
  var content: (Model) -> Content

  var body: some View {
    PreviewOneModelContent(content: content)
      .modelContainer(for: Item.self)
      //.modelContainer(for: [Item.self], inMemory: false) // OK

benigumocom

import SwiftUI

// 【SwiftUI】TextField の角を丸くして背景色を付けるもっとも簡単な方法は
//  https://android.benigumo.com/20240507/rounded-text-field/

struct TestTextField: View {
  @State private var text = ""

  // style
  // background

benigumocom

import SwiftUI
import SwiftData

// https://forums.developer.apple.com/forums/thread/736226

struct TestModelActorView: View {

  @Environment(\.modelContext) private var modelContext

//  private var dataSource: DataSource {

benigumocom

import SwiftUI
import SwiftData

@ModelActor
actor LocalData {
  nonisolated(unsafe) private(set) static var shared: LocalData! // *

  private var task: Task<Void, Never>?

  static func createInstance(modelContainer: ModelContainer) { // *

benigumocom

import SwiftUI

struct TestView: View {
  @State private var text = "-"
  private let url = URL(string: "https://wttr.in/?format=3")!
  //private let url = URL(string: "https://httpbin.org/get")!

  var body: some View {
    Text(text)
      .task {

benigumocom

import SwiftUI

struct TestObservable: View {
  private var requester =  Requester()

  var body: some View {
    VStack {
      Text("\(requester.responseCode)")
      Text("\(requester.responseBody)")
    }

benigumocom

import SwiftUI
import SwiftData

@MainActor @Observable
final class LargeData {
  var loadedItems: [Item] = []
  var count = 0

  private var modelContext: ModelContext!
  private var predicate: Predicate<Item>!

benigumocom

import SwiftUI
import SwiftData

@Model
final class Item {
  var i: Int
  var s: String

  init(i: Int, s: String) {
    self.i = i

benigumocom

let url = URL(string: "https://httpbin.org/anything/{anything}")!
let session = URLSession.shared
  
Task {

      let (data, response) = try await URLSession.shared.data(from: url)
      print((response as! HTTPURLResponse).statusCode)
      print(String(data: data, encoding: .utf8)!)

//      200

benigumocom

// with: 
// FileManageExtensions.swift 
// https://gist.github.com/benigumocom/6a8e4506438b5260469c12b1c12c0fb7

do {
  let documents = URL.documentsDirectory
  let text = "あいうえお"

  // convert to data bytes
  print(