From b6c0703ebb9c0432acf6b87e894d6a33949017cc Mon Sep 17 00:00:00 2001
From: Alex Hunt <hello@alexhunt.io>
Date: Tue, 3 Oct 2023 11:56:51 -0400
Subject: [PATCH] Fix typings for ReactNativeVersion.js

This is an eager cherry pick of #39784 for `0.73-stable`.
---
 .../react-native/Libraries/Core/ReactNativeVersionCheck.js    | 3 +--
 .../Libraries/Utilities/NativePlatformConstantsAndroid.js     | 2 +-
 .../Libraries/Utilities/NativePlatformConstantsIOS.js         | 2 +-
 packages/react-native/Libraries/Utilities/Platform.android.js | 2 +-
 packages/react-native/Libraries/Utilities/Platform.flow.js    | 4 ++--
 packages/react-native/Libraries/Utilities/Platform.ios.js     | 2 +-
 6 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/packages/react-native/Libraries/Core/ReactNativeVersionCheck.js b/packages/react-native/Libraries/Core/ReactNativeVersionCheck.js
index 8b41988696d6b5..b3c437ac45d76d 100644
--- a/packages/react-native/Libraries/Core/ReactNativeVersionCheck.js
+++ b/packages/react-native/Libraries/Core/ReactNativeVersionCheck.js
@@ -44,7 +44,6 @@ function _formatVersion(
 ): string {
   return (
     `${version.major}.${version.minor}.${version.patch}` +
-    // eslint-disable-next-line eqeqeq
-    (version.prerelease != undefined ? `-${version.prerelease}` : '')
+    (version.prerelease != null ? `-${version.prerelease}` : '')
   );
 }
diff --git a/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js b/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
index 6eab28ff02f397..2d6e1faed90d7b 100644
--- a/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
+++ b/packages/react-native/Libraries/Utilities/NativePlatformConstantsAndroid.js
@@ -16,7 +16,7 @@ export type ReactNativeVersionAndroid = {|
   major: number,
   minor: number,
   patch: number,
-  prerelease: ?number,
+  prerelease: ?string,
 |};
 
 export type PlatformConstantsAndroid = {|
diff --git a/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js b/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
index 1a2cf4ad5069a0..e8769b1eb42fe7 100644
--- a/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
+++ b/packages/react-native/Libraries/Utilities/NativePlatformConstantsIOS.js
@@ -19,7 +19,7 @@ export type PlatformConstantsIOS = {|
     major: number,
     minor: number,
     patch: number,
-    prerelease: ?number,
+    prerelease: ?string,
   |},
   forceTouchAvailable: boolean,
   osVersion: string,
diff --git a/packages/react-native/Libraries/Utilities/Platform.android.js b/packages/react-native/Libraries/Utilities/Platform.android.js
index 95210a315a256a..4a10f33ab0ec47 100644
--- a/packages/react-native/Libraries/Utilities/Platform.android.js
+++ b/packages/react-native/Libraries/Utilities/Platform.android.js
@@ -31,7 +31,7 @@ const Platform: PlatformType = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?number,
+      prerelease: ?string,
     |},
     Version: number,
     Release: string,
diff --git a/packages/react-native/Libraries/Utilities/Platform.flow.js b/packages/react-native/Libraries/Utilities/Platform.flow.js
index d4bc8147249e36..19f4a68f7bd4c8 100644
--- a/packages/react-native/Libraries/Utilities/Platform.flow.js
+++ b/packages/react-native/Libraries/Utilities/Platform.flow.js
@@ -32,7 +32,7 @@ type IOSPlatform = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?number,
+      prerelease: ?string,
     |},
     systemName: string,
   |},
@@ -60,7 +60,7 @@ type AndroidPlatform = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?number,
+      prerelease: ?string,
     |},
     Version: number,
     Release: string,
diff --git a/packages/react-native/Libraries/Utilities/Platform.ios.js b/packages/react-native/Libraries/Utilities/Platform.ios.js
index 53371634e7d9f7..7ea9cb4f244d8f 100644
--- a/packages/react-native/Libraries/Utilities/Platform.ios.js
+++ b/packages/react-native/Libraries/Utilities/Platform.ios.js
@@ -34,7 +34,7 @@ const Platform: PlatformType = {
       major: number,
       minor: number,
       patch: number,
-      prerelease: ?number,
+      prerelease: ?string,
     |},
     systemName: string,
   |} {