From dd5474f1e96e1c1e2f00ba3655ef86590d39b0fd Mon Sep 17 00:00:00 2001
From: Christoph Purrer <chpurrer@meta.com>
Date: Wed, 17 Jan 2024 08:53:58 -0800
Subject: [PATCH] Add util function to determine TurboModuleValueKind (#42271)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/42271

Changelog: [Internal]

Adds a util function to determine the `TurboModuleMethodValueKind` based on the `jsi:Value` type

Reviewed By: javache

Differential Revision: D52761045

fbshipit-source-id: de937cda67198aad962e63f41ccd42be6c00c0b8
---
 .../core/ReactCommon/TurboModule.cpp          | 25 +++++++++++++++++++
 .../core/ReactCommon/TurboModule.h            |  7 ++++++
 2 files changed, 32 insertions(+)

diff --git a/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.cpp b/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.cpp
index f3641afcb52..b0924be26e1 100644
--- a/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.cpp
+++ b/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.cpp
@@ -6,9 +6,34 @@
  */
 
 #include "TurboModule.h"
+#include <react/debug/react_native_assert.h>
 
 namespace facebook::react {
 
+TurboModuleMethodValueKind getTurboModuleMethodValueKind(
+    jsi::Runtime& rt,
+    const jsi::Value* value) {
+  if (!value || value->isUndefined() || value->isNull()) {
+    return VoidKind;
+  } else if (value->isBool()) {
+    return BooleanKind;
+  } else if (value->isNumber()) {
+    return NumberKind;
+  } else if (value->isString()) {
+    return StringKind;
+  } else if (value->isObject()) {
+    auto object = value->asObject(rt);
+    if (object.isArray(rt)) {
+      return ArrayKind;
+    } else if (object.isFunction(rt)) {
+      return FunctionKind;
+    }
+    return ObjectKind;
+  }
+  react_native_assert(false && "Unsupported jsi::Value kind");
+  return VoidKind;
+}
+
 TurboModule::TurboModule(
     std::string name,
     std::shared_ptr<CallInvoker> jsInvoker)
diff --git a/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.h b/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.h
index 4ecfe86f143..ccd9d1f8596 100644
--- a/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.h
+++ b/packages/react-native/ReactCommon/react/nativemodule/core/ReactCommon/TurboModule.h
@@ -31,6 +31,13 @@ enum TurboModuleMethodValueKind {
   PromiseKind,
 };
 
+/**
+ * Determines TurboModuleMethodValueKind based on the jsi::Value type.
+ */
+TurboModuleMethodValueKind getTurboModuleMethodValueKind(
+    jsi::Runtime& rt,
+    const jsi::Value* value);
+
 class TurboCxxModule;
 class TurboModuleBinding;