Fix body's storage not initializing

Sources/Model/Extensions/Array.swift

@@ -76,7 +76,9 @@ extension Array: AnyView where Element == AnyView {
         modifiers: [(AnyView) -> AnyView],
         type: WidgetType.Type
     ) -> [ViewStorage] {
-        compactMap { $0.renderable(type: type, modifiers: modifiers) ? $0.storage(modifiers: [], type: type) : nil }
+        compactMap { view in
+            view.renderable(type: type, modifiers: modifiers) ? view.storage(modifiers: modifiers, type: type) : nil
+        }
     }
 
 }

Sources/Model/User Interface/View/AnyView.swift

@@ -83,6 +83,9 @@ extension AnyView {
         if let peer = modified as? Widget {
             return peer
         }
+        if let array = modified as? Body {
+            return Wrapper { array }
+        }
         return Wrapper { viewContent.map { $0.getModified(modifiers: modifiers) } }
     }
 

Sources/View/StateWrapper.swift

@@ -11,7 +11,7 @@ import Observation
 public struct StateWrapper: ConvenienceWidget {
 
     /// The content.
-    var content: () -> Body
+    var content: Body
     /// The state information (from properties with the `State` wrapper).
     var state: [String: StateProtocol] = [:]
 
@@ -24,7 +24,7 @@ public struct StateWrapper: ConvenienceWidget {
 
     /// The debug tree's content.
     public var debugTreeContent: [(String, body: Body)] {
-        [("content", body: content())]
+        [("content", body: content)]
     }
 
     /// The identifier of the field storing whether to update the wrapper's content.
@@ -33,7 +33,7 @@ public struct StateWrapper: ConvenienceWidget {
     /// Initialize a `StateWrapper`.
     /// - Parameter content: The view content.
     public init(@ViewBuilder content: @escaping () -> Body) {
-        self.content = content
+        self.content = content()
     }
 
     /// Initialize a `StateWrapper`.
@@ -41,7 +41,7 @@ public struct StateWrapper: ConvenienceWidget {
     ///   - content: The view content.
     ///   - state: The state information.
     init(content: @escaping () -> Body, state: [String: StateProtocol]) {
-        self.content = content
+        self.content = content()
         self.state = state
     }
 
@@ -68,11 +68,10 @@ public struct StateWrapper: ConvenienceWidget {
                 property.value.content.storage.update = false
             }
         }
-        if let storage = storage.content[.mainContent]?.first {
-            content()
-                .widget(modifiers: modifiers)
-                .update(storage, modifiers: modifiers, updateProperties: updateProperties, type: type)
+        guard let storages = storage.content[.mainContent] else {
+            return
         }
+        content.update(storages, modifiers: modifiers, updateProperties: updateProperties, type: type)
     }
 
     /// Get a view storage.
@@ -81,8 +80,8 @@ public struct StateWrapper: ConvenienceWidget {
     ///     - type: The type of the widgets.
     /// - Returns: The view storage.
     public func container<WidgetType>(modifiers: [(AnyView) -> AnyView], type: WidgetType.Type) -> ViewStorage {
-        let content = content().storage(modifiers: modifiers, type: type)
-        let storage = ViewStorage(content.pointer, content: [.mainContent: [content]])
+        let content = content.storages(modifiers: modifiers, type: type)
+        let storage = ViewStorage(nil, content: [.mainContent: content])
         storage.state = state
         observe(storage: storage)
         return storage
@@ -92,7 +91,7 @@ public struct StateWrapper: ConvenienceWidget {
     /// - Parameter storage: The view storage
     func observe(storage: ViewStorage) {
         withObservationTracking {
-            _ = content().getDebugTree(parameters: true, type: AnyView.self)
+            _ = content.getDebugTree(parameters: true, type: AnyView.self)
         } onChange: {
             storage.fields[updateID] = true
             UpdateManager.updateViews()

Tests/DemoApp/DemoApp.swift

@@ -4,9 +4,13 @@ import SampleBackends
 struct DemoView: SimpleView {
 
      var view: Body {
-        Backend1.TestWidget1()
-        TestView()
-        testContent
+        Wrapper {
+            Backend1.TestWidget1()
+            Backend1.Button("") {
+            }
+            TestView()
+            testContent
+        }
      }
 
      @ViewBuilder
@@ -20,7 +24,7 @@ struct DemoView: SimpleView {
 struct TestView: SimpleView {
 
     var view: Body {
-        []
+        Backend2.TestWidget4()
     }
 
 }

Tests/SampleBackends/Backend1.swift

@@ -54,6 +54,28 @@ public enum Backend1 {
 
     }
 
+    public struct Button: BackendWidget {
+
+        public init(_ label: String, action: @escaping () -> Void) {
+        }
+
+        public var debugTreeContent: [(String, body: Body)] {
+            []
+        }
+
+        public var debugTreeParameters: [(String, value: any CustomStringConvertible)] {
+            []
+        }
+
+        public func container<WidgetType>(modifiers: [(any AnyView) -> any AnyView], type: WidgetType.Type) -> ViewStorage {
+            .init(nil)
+        }
+
+        public func update<WidgetType>(_ storage: ViewStorage, modifiers: [(any AnyView) -> any AnyView], updateProperties: Bool, type: WidgetType.Type) {
+        }
+
+    }
+
     public protocol BackendWidget: Widget { }
 
 }