From 6b8bc5a1d02cb9bdbefaa07515f90270f1828073 Mon Sep 17 00:00:00 2001
From: Nick Lefever <lefever@meta.com>
Date: Thu, 10 Jul 2025 12:35:18 -0700
Subject: [PATCH] Move toDynamic conversion for FilterFunction (#52537)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52537

See title

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D78088447

fbshipit-source-id: 3f3a1e82e527cfe83de7a798b8b9ea2996dc8de1
---
 .../components/view/HostPlatformViewProps.cpp | 24 -------
 .../react/renderer/graphics/Filter.h          | 63 ++++++++++++++-----
 2 files changed, 47 insertions(+), 40 deletions(-)

diff --git a/packages/react-native/ReactCommon/react/renderer/components/view/platform/android/react/renderer/components/view/HostPlatformViewProps.cpp b/packages/react-native/ReactCommon/react/renderer/components/view/platform/android/react/renderer/components/view/HostPlatformViewProps.cpp
index d13bedd4fe4..297ace7f9c0 100644
--- a/packages/react-native/ReactCommon/react/renderer/components/view/platform/android/react/renderer/components/view/HostPlatformViewProps.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/components/view/platform/android/react/renderer/components/view/HostPlatformViewProps.cpp
@@ -491,30 +491,6 @@ inline static void updateAccessibilityStateProp(
   result["accessibilityState"] = resultState;
 }
 
-static folly::dynamic toDynamic(const std::vector<FilterFunction>& filter) {
-  folly::dynamic filterResult = folly::dynamic::array();
-  for (const auto& filterFunction : filter) {
-    folly::dynamic filterFunctionResult = folly::dynamic::object();
-    std::string typeKey = toString(filterFunction.type);
-    if (std::holds_alternative<Float>(filterFunction.parameters)) {
-      filterFunctionResult[typeKey] =
-          std::get<Float>(filterFunction.parameters);
-    } else if (std::holds_alternative<DropShadowParams>(
-                   filterFunction.parameters)) {
-      const auto& parameters =
-          std::get<DropShadowParams>(filterFunction.parameters);
-      folly::dynamic parametersResult = folly::dynamic::object();
-      parametersResult["offsetX"] = parameters.offsetX;
-      parametersResult["offsetY"] = parameters.offsetY;
-      parametersResult["standardDeviation"] = parameters.standardDeviation;
-      parametersResult["color"] = *parameters.color;
-      filterFunctionResult[typeKey] = parametersResult;
-    }
-    filterResult.push_back(filterFunctionResult);
-  }
-  return filterResult;
-}
-
 ComponentName HostPlatformViewProps::getDiffPropsImplementationTarget() const {
   return "View";
 }
diff --git a/packages/react-native/ReactCommon/react/renderer/graphics/Filter.h b/packages/react-native/ReactCommon/react/renderer/graphics/Filter.h
index 029536c8d4f..176d0e54475 100644
--- a/packages/react-native/ReactCommon/react/renderer/graphics/Filter.h
+++ b/packages/react-native/ReactCommon/react/renderer/graphics/Filter.h
@@ -29,22 +29,6 @@ enum class FilterType {
   DropShadow
 };
 
-struct DropShadowParams {
-  bool operator==(const DropShadowParams& other) const = default;
-
-  Float offsetX{};
-  Float offsetY{};
-  Float standardDeviation{};
-  SharedColor color{};
-};
-
-struct FilterFunction {
-  bool operator==(const FilterFunction& other) const = default;
-
-  FilterType type{};
-  std::variant<Float, DropShadowParams> parameters{};
-};
-
 inline FilterType filterTypeFromString(std::string_view filterName) {
   if (filterName == "blur") {
     return FilterType::Blur;
@@ -96,4 +80,51 @@ inline std::string toString(const FilterType& filterType) {
   }
 }
 
+struct DropShadowParams {
+  bool operator==(const DropShadowParams& other) const = default;
+
+  Float offsetX{};
+  Float offsetY{};
+  Float standardDeviation{};
+  SharedColor color{};
+
+#ifdef RN_SERIALIZABLE_STATE
+  folly::dynamic toDynamic() const {
+    folly::dynamic result = folly::dynamic::object();
+    result["offsetX"] = offsetX;
+    result["offsetY"] = offsetY;
+    result["standardDeviation"] = standardDeviation;
+    result["color"] = *color;
+    return result;
+  }
+#endif
+};
+
+struct FilterFunction {
+  bool operator==(const FilterFunction& other) const = default;
+
+  FilterType type{};
+  std::variant<Float, DropShadowParams> parameters{};
+
+#ifdef RN_SERIALIZABLE_STATE
+  folly::dynamic toDynamic() const {
+    folly::dynamic result = folly::dynamic::object();
+    std::string typeKey = toString(type);
+    if (std::holds_alternative<Float>(parameters)) {
+      result[typeKey] = std::get<Float>(parameters);
+    } else if (std::holds_alternative<DropShadowParams>(parameters)) {
+      const auto& dropShadowParams = std::get<DropShadowParams>(parameters);
+      result[typeKey] = dropShadowParams.toDynamic();
+    }
+    return result;
+  }
+#endif
+};
+
+#ifdef RN_SERIALIZABLE_STATE
+inline folly::dynamic toDynamic(const FilterFunction& filterFunction) {
+  return filterFunction.toDynamic();
+}
+#endif
+
 } // namespace facebook::react