Merge pull request #2 from teufelaudio/UpdateFromUIExtensions

Update from UI extensions

Sources/CombineRextensions/StoreSheet.swift

@@ -23,8 +23,49 @@ extension View {
         path: KeyPath<State, Context?>,
         dismissAction: Action,
         producer: ViewProducer<Context, ContentView>) -> some View {
-        return sheet(item: store.binding[path],
-                     onDismiss: { store.dispatch(dismissAction) },
-                     content: producer.view)
+        return sheet(
+            item: store.binding[path],
+            onDismiss: { store.dispatch(dismissAction) },
+            content: producer.view
+        )
+    }
+}
+
+// MARK: - Sheets from Store
+extension View {
+    /// Presents a sheet  when the given `Context` key path is non-nil. The view that will be shown
+    /// is created by the given `ViewProducer`.
+    ///
+    /// - Parameters:
+    ///   - store: The view model containing the state.
+    ///   - path: The key path pointing to the element to show as sheet.
+    ///   - dismissAction: Action that should be dispatched to the store when a modal is dismissed.
+    ///   - producer: The ViewProducer that transforms the given `Context` into a View.
+    public func storeSheet<Action, State, Context: Identifiable, ContentView: View>(
+        _ store: ObservableViewModel<Action, State>,
+        path: KeyPath<State, Context?>,
+        dismissAction: Action,
+        producer: ViewProducer<Context, ContentView>,
+        file: String = #file,
+        function: String = #function,
+        line: UInt = #line,
+        info: String? = nil) -> some View {
+        return sheet(
+            item: store.binding[path],
+            onDismiss: {
+                withAnimation {
+                    store.dispatch(
+                        dismissAction,
+                        from: ActionSource(
+                            file: file,
+                            function: function,
+                            line: line,
+                            info: (info.map { $0 + " -> " } ?? "") + "View+StoreSheet.swift onDismiss closure"
+                        )
+                    )
+                }
+            },
+            content: producer.view
+        )
     }
 }

Sources/CombineRextensions/ViewProducer.swift

@@ -47,3 +47,17 @@ extension ViewProducer where ProducedView == EmptyView {
         .init { _ in EmptyView() }
     }
 }
+
+extension ViewProducer where ProducedView == AnyView {
+    public static func pure() -> ViewProducer {
+        .init { _ in AnyView(EmptyView()) }
+    }
+}
+
+#if DEBUG
+extension ViewProducer {
+    public static var crash: ViewProducer {
+        . init { _ in fatalError("Debug ViewProducer crash") }
+    }
+}
+#endif