Sending picker size to shadow node

RNDateTimePicker.podspec

@@ -14,7 +14,7 @@ Pod::Spec.new do |s|
   s.homepage     = package['homepage']
   s.platform     = :ios, "11.0"
   s.source       = { :git => "https://github.com/react-native-community/datetimepicker", :tag => "v#{s.version}" }
-  s.source_files = "ios/**/*.{h,m,mm}"
+  s.source_files = "ios/**/*.{h,m,mm,cpp}"
   s.requires_arc = true
 
   if fabric_enabled
@@ -33,6 +33,13 @@ Pod::Spec.new do |s|
     s.dependency "RCTRequired"
     s.dependency "RCTTypeSafety"
     s.dependency "ReactCommon/turbomodule/core"
+
+    s.subspec "cpp" do |ss|
+      ss.source_files         = "cpp/**/*.{cpp,h}"
+      ss.header_dir           = "rndatetimepicker"
+      ss.pod_target_xcconfig  = { "HEADER_SEARCH_PATHS" => "\"$(PODS_TARGET_SRCROOT)/cpp\"" }
+    end
+
   else
     s.exclude_files = "ios/fabric"
 

cpp/react/renderer/components/RNDateTimePicker/ComponentDescriptors.h

@@ -0,0 +1,44 @@
+
+/**
+ * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
+ *
+ * Do not edit this file as changes may cause incorrect behavior and will be lost
+ * once the code is regenerated.
+ *
+ * @generated by codegen project: GenerateComponentDescriptorH.js
+ */
+
+#pragma once
+
+#include "ShadowNodes.h"
+#include <react/renderer/core/ConcreteComponentDescriptor.h>
+
+namespace facebook {
+namespace react {
+
+class RNDateTimePickerComponentDescriptor final : public ConcreteComponentDescriptor<RNDateTimePickerShadowNode> {
+  public:
+    using ConcreteComponentDescriptor::ConcreteComponentDescriptor;
+
+    void adopt(ShadowNode::Unshared const &shadowNode) const override {
+      react_native_assert(std::dynamic_pointer_cast<RNDateTimePickerShadowNode>(shadowNode));
+      auto pickerShadowNode = std::static_pointer_cast<RNDateTimePickerShadowNode>(shadowNode);
+
+      react_native_assert(
+        std::dynamic_pointer_cast<YogaLayoutableShadowNode>(pickerShadowNode));
+      auto layoutableShadowNode =
+        std::static_pointer_cast<YogaLayoutableShadowNode>(pickerShadowNode);
+
+      auto state = std::static_pointer_cast<const RNDateTimePickerShadowNode::ConcreteState>(shadowNode->getState());
+      auto stateData = state->getData();
+
+      if(stateData.frameSize.width != 0 && stateData.frameSize.height != 0) {
+        layoutableShadowNode->setSize(Size{stateData.frameSize.width, stateData.frameSize.height});
+      }
+
+      ConcreteComponentDescriptor::adopt(shadowNode);
+    }
+};
+
+} // namespace react
+} // namespace facebook

cpp/react/renderer/components/RNDateTimePicker/RNDateTimePickerState.cpp

@@ -0,0 +1,7 @@
+#include "RNDateTimePickerState.h"
+
+namespace facebook {
+namespace react {
+
+} // namespace react
+} // namespace facebook

cpp/react/renderer/components/RNDateTimePicker/RNDateTimePickerState.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <react/renderer/graphics/Geometry.h>
+
+namespace facebook {
+namespace react {
+
+class RNDateTimePickerState final {
+  public:
+    using Shared = std::shared_ptr<const RNDateTimePickerState>;
+    RNDateTimePickerState(){};
+    RNDateTimePickerState(Size frameSize_) : frameSize(frameSize_){};
+
+    Size frameSize{};
+};
+
+} // namespace react
+} // namespace facebook

cpp/react/renderer/components/RNDateTimePicker/ShadowNodes.cpp

@@ -0,0 +1,19 @@
+
+/**
+ * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
+ *
+ * Do not edit this file as changes may cause incorrect behavior and will be lost
+ * once the code is regenerated.
+ *
+ * @generated by codegen project: GenerateShadowNodeCpp.js
+ */
+
+#include "ShadowNodes.h"
+
+namespace facebook {
+namespace react {
+
+extern const char RNDateTimePickerComponentName[] = "RNDateTimePicker";
+
+} // namespace react
+} // namespace facebook

cpp/react/renderer/components/RNDateTimePicker/ShadowNodes.h

@@ -0,0 +1,41 @@
+
+/**
+ * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
+ *
+ * Do not edit this file as changes may cause incorrect behavior and will be lost
+ * once the code is regenerated.
+ *
+ * @generated by codegen project: GenerateShadowNodeH.js
+ */
+
+#pragma once
+
+#include "RNDateTimePickerState.h"
+#include <react/renderer/components/RNDAteTimePicker/EventEmitters.h>
+#include <react/renderer/components/RNDateTimePicker/Props.h>
+#include <react/renderer/components/view/ConcreteViewShadowNode.h>
+#include <jsi/jsi.h>
+#include <react/renderer/core/LayoutContext.h>
+
+namespace facebook {
+namespace react {
+
+JSI_EXPORT extern const char RNDateTimePickerComponentName[];
+
+/*
+ * `ShadowNode` for <RNDateTimePicker> component.
+ */
+class JSI_EXPORT RNDateTimePickerShadowNode final : public ConcreteViewShadowNode<RNDateTimePickerComponentName, RNDateTimePickerProps, RNDateTimePickerEventEmitter, RNDateTimePickerState> {
+
+public:
+    using ConcreteViewShadowNode::ConcreteViewShadowNode;
+
+    static ShadowNodeTraits BaseTraits() {
+        auto traits = ConcreteViewShadowNode::BaseTraits();
+        traits.set(ShadowNodeTraits::Trait::LeafYogaNode);
+        return traits;
+    }
+};
+
+} // namespace react
+} // namespace facebook