add empty view generator for wrapped cells

Author: NullIsOne

Components/Sources/Collection/CollectionWrappedCell.swift

@@ -9,14 +9,13 @@ import UIKit
 import ReactiveDataDisplayManager
 
 /// Empty collection cell with `View`. Configuration is implemented within `ViewWrapper`.
-public final class CollectionWrappedCell<View: ConfigurableItem>: UICollectionViewCell, ViewWrapper {
+public final class CollectionWrappedCell<View: ConfigurableItem & RegistrationTypeProvider>: UICollectionViewCell, ViewWrapper {
 
     public typealias Model = View.Model
 
     // MARK: - Properties
 
-    // TODO: - Add way to construct nested view from nib (like in BaseViewGenerator)
-    public let nestedView: View = .init(frame: .zero)
+    public let nestedView: View = EmptyViewGenerator().generate()
 
     public var cachedInsets: UIEdgeInsets?
 

Components/Sources/Collection/Extensions/CollectionWrappedCell+RDDM.swift

@@ -8,7 +8,7 @@
 import ReactiveDataDisplayManager
 import UIKit
 
-public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem {
+public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & RegistrationTypeProvider {
 
     func collectionGenerator(with model: Base.Model,
                              and registerType: RegistrationType = .nib) -> BaseCollectionCellGenerator<CollectionWrappedCell<Base>> {
@@ -20,7 +20,7 @@ public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem
 
 // MARK: - CalculatableHeightItem
 
-public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableHeightItem {
+public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableHeightItem & RegistrationTypeProvider {
 
     func tableCalculatableHightGenerator(
         with model: Base.Model,
@@ -37,7 +37,7 @@ public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem
 
 // MARK: - CalculatableWidthItem
 
-public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableWidthItem {
+public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableWidthItem & RegistrationTypeProvider {
 
     func tableCalculatableWidthGenerator(
         with model: Base.Model,

Components/Sources/Common/Extensions/ConfigurableItem+BuilderContext.swift

@@ -9,7 +9,7 @@ import UIKit
 import ReactiveDataDisplayManager
 
 public extension ConfigurableItem where Self: RegistrationTypeProvider {
-    
+
     static func build<Context: BuilderContext>(in ctx: Context.Type, with model: Model) -> Context.GeneratorType {
         ctx.gen(Self.self, model: model)
     }

Components/Sources/Table/Extensions/TableWrappedCell+RDDM.swift

@@ -8,7 +8,7 @@
 import ReactiveDataDisplayManager
 import UIKit
 
-public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem {
+public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & RegistrationTypeProvider {
 
     func tableGenerator(with model: Base.Model,
                         and registerType: RegistrationType = .nib) -> BaseCellGenerator<TableWrappedCell<Base>> {
@@ -20,7 +20,7 @@ public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem
 
 // MARK: - CalculatableHeightItem
 
-public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableHeightItem {
+public extension StaticDataDisplayWrapper where Base: UIView & ConfigurableItem & CalculatableHeightItem & RegistrationTypeProvider {
 
     func tableCalculatableHightGenerator(
         with model: Base.Model,

Components/Sources/Table/TableWrappedCell.swift

@@ -9,14 +9,13 @@ import UIKit
 import ReactiveDataDisplayManager
 
 /// Empty table cell with `View`. Configuration is implemented within `ViewWrapper`.
-public final class TableWrappedCell<View: ConfigurableItem>: UITableViewCell, ViewWrapper {
+public final class TableWrappedCell<View: ConfigurableItem & RegistrationTypeProvider>: UITableViewCell, ViewWrapper {
 
     public typealias Model = View.Model
 
     // MARK: - Properties
 
-    // TODO: - Add way to construct nested view from nib (like in BaseViewGenerator)
-    public let nestedView: View = .init(frame: .zero)
+    public let nestedView: View = EmptyViewGenerator().generate()
 
     public var cachedInsets: UIEdgeInsets?
 

Source/Stack/Generators/BaseStackCellGenerator.swift renamed to Source/Stack/Generators/BaseViewGenerator.swift

@@ -7,6 +7,23 @@
 
 import UIKit
 
+final public class EmptyViewGenerator<View: ConfigurableItem & RegistrationTypeProvider>: AccessoryViewGenerator {
+
+    public typealias ViewType = View
+
+    public init() {}
+
+    public func generate() -> View {
+        switch View.prefferedRegistration {
+        case .nib:
+            return View.loadFromNib(bundle: ViewType.bundle() ?? .main)
+        case .class:
+            return View()
+        }
+    }
+
+}
+
 open class BaseViewGenerator<View: ConfigurableItem>: ViewGenerator, ViewBuilder {
 
     public let model: View.Model