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//
// NavigationRouter.swift
// suixinkan
//
// Created by Codex on 2026/6/18.
//
import Observation
import SwiftUI
/// Tab
enum AppRoute: Hashable {
case placeholder(title: String)
case home(HomeRoute)
/// NavigationStack push TabBar
var hidesTabBarWhenPushed: Bool {
true
}
///
@ViewBuilder
var destinationView: some View {
switch self {
case .placeholder(let title):
PlaceholderDetailView(title: title)
case .home(let route):
route.destinationView
}
}
}
@MainActor
@Observable
/// NavigationStack Tab
final class RouterPath {
var path: [AppRoute] = []
/// Tab
func navigate(to route: AppRoute) {
path.append(route)
}
/// Tab
func reset() {
path = []
}
}
@MainActor
@Observable
/// Tab Tab NavigationStack
final class AppRouter {
var selectedTab: AppTab = .home
private var routers: [AppTab: RouterPath] = [:]
/// Tab
func router(for tab: AppTab) -> RouterPath {
if let router = routers[tab] {
return router
}
let router = RouterPath()
routers[tab] = router
return router
}
/// SwiftUI NavigationStack 使
func binding(for tab: AppTab) -> Binding<[AppRoute]> {
let router = router(for: tab)
return Binding(
get: { router.path },
set: { router.path = $0 }
)
}
/// Tab
func select(_ tab: AppTab) {
selectedTab = tab
}
/// Tab Tab
func reset() {
selectedTab = .home
routers.values.forEach { $0.reset() }
}
}