Adding two new onStoreDidLoad methods which make it easier to be notified when a Store is loaded

Author: mergesort

Demo/Demo/Components/FavoritesCarouselView.swift

@@ -80,14 +80,13 @@ struct FavoritesCarouselView: View {
         })
         .frame(height: 200.0)
         .background(Color.palette.background)
-        .task({
-            do {
-                try await self.imagesController.$images.itemsHaveLoaded()
-                self.itemsHaveLoaded = true
-            } catch {
+        .onStoreDidLoad(
+            self.imagesController.$images,
+            update: $itemsHaveLoaded,
+            onError: { error in
                 print("Failed to load images", error)
             }
-        })
+        )
     }
 }
 

Sources/Boutique/Store+Observation.swift

@@ -0,0 +1,25 @@
+import SwiftUI
+
+public extension View {
+    func onStoreDidLoad<StorableItem: Codable & Sendable>(_ store: Store<StorableItem>, onLoad: @escaping () -> Void, onError: ((Error) -> Void)? = nil) -> some View {
+        self.task({
+            do {
+                try await store.itemsHaveLoaded()
+                onLoad()
+            } catch {
+                onError?(error)
+            }
+        })
+    }
+
+    func onStoreDidLoad<StorableItem: Codable & Sendable>(_ store: Store<StorableItem>, update hasLoadedState: Binding<Bool>, onError: ((Error) -> Void)? = nil) -> some View {
+        self.task({
+            do {
+                try await store.itemsHaveLoaded()
+                hasLoadedState.wrappedValue = true
+            } catch {
+                onError?(error)
+            }
+        })
+    }
+}