NewFieldForMe

import SwiftUI
import Combine

struct ContentView: View {
    @ObservedObject var vm = ContentViewModel()

    var body: some View {
        List {
            Section(header: Text("Check False")) {
                ForEach(vm.items.filter { $0.check == false }) { item in

NewFieldForMe

import SwiftUI

struct ContentView: View {
    @State var isOpenSideMenu: Bool = false
    @State var text = "Hello, World!"
    var body: some View {
        ZStack{
            NavigationView {
                Text(text)
                    .navigationBarTitle("メイン画面")

NewFieldForMe

class TodoListSideMenuViewModel: ObservableObject {
    @Published var darkModeModel = DarkModeModel()
    @Published var darkModeSystemName: String = ""
    private var bag = Set<AnyCancellable>()

    init() {
        self.darkModeModel.$isDark.sink(receiveValue: { [weak self] isDark in
            self?.darkModeSystemName = isDark ? "moon.fill" : "sun.max.fill"
        }).store(in: &bag)
    }

NewFieldForMe

import SwiftUI
import Combine

class KeyboardService: ObservableObject {
    @Published var keyboardHeight: CGFloat = 0.0
    let defaultNotification = NotificationCenter.default

    func start() {
        defaultNotification.addObserver(
            self,