From da9d838b737e8e782896007cb106b1e63c927102 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arkadiusz=20Marsza=C5=82ek?=
 <arkadiuszmarszalek92@gmail.com>
Date: Wed, 8 Mar 2023 14:55:23 +0100
Subject: [PATCH] Expose coordinator's children in protocol

---
 Sources/XCoordinator/AnyCoordinator.swift  | 6 ++++++
 Sources/XCoordinator/BaseCoordinator.swift | 5 -----
 Sources/XCoordinator/Coordinator.swift     | 7 +++++++
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/Sources/XCoordinator/AnyCoordinator.swift b/Sources/XCoordinator/AnyCoordinator.swift
index 905ac917..53707cee 100755
--- a/Sources/XCoordinator/AnyCoordinator.swift
+++ b/Sources/XCoordinator/AnyCoordinator.swift
@@ -34,6 +34,7 @@ public class AnyCoordinator<RouteType: Route, TransitionType: TransitionProtocol
     private let _prepareTransition: (RouteType) -> TransitionType
     private let _viewController: () -> UIViewController?
     private let _rootViewController: () -> TransitionType.RootViewController
+    private let _children: () -> [Presentable]
     private let _presented: (Presentable?) -> Void
     private let _setRoot: (UIWindow) -> Void
     private let _addChild: (Presentable) -> Void
@@ -55,6 +56,7 @@ public class AnyCoordinator<RouteType: Route, TransitionType: TransitionProtocol
         self._prepareTransition = coordinator.prepareTransition
         self._viewController = { coordinator.viewController }
         self._rootViewController = { coordinator.rootViewController }
+        self._children = { coordinator.children }
         self._presented = coordinator.presented
         self._setRoot = coordinator.setRoot
         self._addChild = coordinator.addChild
@@ -72,6 +74,10 @@ public class AnyCoordinator<RouteType: Route, TransitionType: TransitionProtocol
     public var viewController: UIViewController! {
         _viewController()
     }
+    
+    public var children: [Presentable] {
+        _children()
+    }
 
     // MARK: Methods
 
diff --git a/Sources/XCoordinator/BaseCoordinator.swift b/Sources/XCoordinator/BaseCoordinator.swift
index 1ecacdc3..fcb634d9 100755
--- a/Sources/XCoordinator/BaseCoordinator.swift
+++ b/Sources/XCoordinator/BaseCoordinator.swift
@@ -27,11 +27,6 @@ open class BaseCoordinator<RouteType: Route, TransitionType: TransitionProtocol>
     private var removeParentChildren: () -> Void = {}
     private var gestureRecognizerTargets = [GestureRecognizerTarget]()
     
-    ///
-    /// The child coordinators that are currently in the view hierarchy.
-    /// When performing a transition, children are automatically added and removed from this array
-    /// depending on whether they are in the view hierarchy.
-    ///
     public private(set) var children = [Presentable]()
 
     // MARK: Computed properties
diff --git a/Sources/XCoordinator/Coordinator.swift b/Sources/XCoordinator/Coordinator.swift
index 59acc646..1ce76425 100755
--- a/Sources/XCoordinator/Coordinator.swift
+++ b/Sources/XCoordinator/Coordinator.swift
@@ -22,6 +22,13 @@ public typealias ContextPresentationHandler = (TransitionContext) -> Void
 ///
 public protocol Coordinator: Router, TransitionPerformer {
 
+    ///
+    /// The child coordinators that are currently in the view hierarchy.
+    /// When performing a transition, children are automatically added and removed from this array
+    /// depending on whether they are in the view hierarchy.
+    ///
+    var children: [Presentable] { get }
+    
     ///
     /// This method prepares transitions for routes.
     /// It especially decides, which transitions are performed for the triggered routes.