Feat/swift pm

.gitignore

@@ -89,3 +89,15 @@ tsconfig.tsbuildinfo
 
 # Claude Code local settings
 .claude/settings.local.json
+
+# React Native SwiftPM
+# Build-time symlink to Xcode's generated Swift interop headers
+.spm-derived-headers
+.build/
+.swiftpm/
+**/*.xcodeproj/.spm-injected.json
+# Public-header trees staged (as symlinks) by the autolinking plugin at
+# `react-native spm add` time — machine-generated, never committed
+**/nitrogen/generated/include/
+**/nitrogen/generated/include-bridge/
+packages/react-native-nitro-modules/include/

example/ios/NitroExample.xcodeproj/project.pbxproj

@@ -532,7 +532,8 @@
 					"$(inherited)",
 					" ",
 				);
-				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../node_modules/react-native";
+				PODFILE_DIR = "$(SRCROOT)";
+				REACT_NATIVE_PATH = "${PODS_ROOT}/../../node_modules/react-native";
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";
 				SWIFT_ENABLE_EXPLICIT_MODULES = NO;
@@ -615,7 +616,8 @@
 					"$(inherited)",
 					" ",
 				);
-				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../node_modules/react-native";
+				PODFILE_DIR = "$(SRCROOT)";
+				REACT_NATIVE_PATH = "${PODS_ROOT}/../../node_modules/react-native";
 				SDKROOT = iphoneos;
 				SWIFT_ENABLE_EXPLICIT_MODULES = NO;
 				SWIFT_OBJC_INTEROP_MODE = objcxx;

example/package.json

@@ -24,24 +24,24 @@
     "@react-navigation/native": "^7.2.5",
     "deep-equal": "^2.2.3",
     "react": "19.2.3",
-    "react-native": "0.85.3",
+    "react-native": "0.87.0",
     "react-native-nitro-test": "*",
     "react-native-nitro-test-external": "*",
     "react-native-nitro-modules": "*",
     "react-native-safe-area-context": "^5.8.0",
-    "react-native-screens": "^4.25.2"
+    "react-native-screens": "^4.27.0"
   },
   "devDependencies": {
     "@babel/core": "^7.29.7",
     "@babel/preset-env": "^7.29.7",
     "@babel/runtime": "^7.29.7",
-    "@react-native-community/cli": "20.1.3",
-    "@react-native-community/cli-platform-android": "20.1.3",
-    "@react-native-community/cli-platform-ios": "20.1.3",
-    "@react-native/babel-preset": "0.85.3",
-    "@react-native/eslint-config": "0.85.3",
-    "@react-native/metro-config": "0.85.3",
-    "@react-native/typescript-config": "0.85.3",
+    "@react-native-community/cli": "20.2.0",
+    "@react-native-community/cli-platform-android": "20.2.0",
+    "@react-native-community/cli-platform-ios": "20.2.0",
+    "@react-native/babel-preset": "0.87.0",
+    "@react-native/eslint-config": "0.87.0",
+    "@react-native/metro-config": "0.87.0",
+    "@react-native/typescript-config": "0.87.0",
     "@react-native-harness/platform-android": "1.4.1",
     "@react-native-harness/platform-apple": "1.4.1",
     "@types/deep-equal": "^1.0.4",

example/src/screens/HybridObjectTestsScreen.tsx

@@ -17,13 +17,22 @@ import {
 } from 'react-native-nitro-test'
 import { getTests, type TestRunner } from '../getTests'
 import { logPrototypeChain } from '../logPrototypeChain'
-import SegmentedControl from '@react-native-segmented-control/segmented-control'
+import SegmentedControlNative, {
+  type SegmentedControlProps,
+} from '@react-native-segmented-control/segmented-control'
 import { NitroModules } from 'react-native-nitro-modules'
 import { useSafeAreaInsets } from 'react-native-safe-area-context'
 import { useColors } from '../useColors'
 import { TestCase, TestState } from '../components/TestCase'
 import { KeyboardDismissBackground } from '../components/KeyboardDismissBackground'
 
+// react-native 0.87 dropped `NativeMethods` from its public types, which breaks
+// this (unmaintained) package's `Constructor<NativeMethods> & typeof Component`
+// intersection — the resulting class loses its `props`. Its own props type is
+// unaffected, so re-type the default export as a plain component.
+const SegmentedControl =
+  SegmentedControlNative as unknown as React.ComponentType<SegmentedControlProps>
+
 logPrototypeChain(HybridChild)
 console.log(HybridBase.baseValue)
 console.log(HybridChild.baseValue)

package.json

@@ -39,8 +39,8 @@
     "@eslint/eslintrc": "^3.3.5",
     "@eslint/js": "^9.39.4",
     "@jamesacarr/eslint-formatter-github-actions": "^0.2.0",
-    "@react-native/eslint-config": "0.85.3",
-    "@react-native/jest-preset": "0.85.3",
+    "@react-native/eslint-config": "0.87.0",
+    "@react-native/jest-preset": "0.87.0",
     "@release-it-plugins/workspaces": "^5.0.3",
     "@release-it/bumper": "^7.0.5",
     "@release-it/conventional-changelog": "^10.0.6",
@@ -53,7 +53,7 @@
     "jest": "^29.7.0",
     "prettier": "^3.8.3",
     "react": "19.2.3",
-    "react-native": "0.85.3",
+    "react-native": "0.87.0",
     "release-it": "^19.2.4",
     "typescript": "~6.0.3",
     "typescript-eslint": "^8.60.0"

packages/nitrogen/src/autolinking/createIOSAutolinking.ts

@@ -1,16 +1,57 @@
+import fs from 'fs'
+import path from 'path'
 import type { Autolinking } from './Autolinking.js'
 import { createHybridObjectIntializer } from './ios/createHybridObjectInitializer.js'
+import { createPackageSwift } from './ios/createPackageSwift.js'
 import { createPodspecRubyExtension } from './ios/createPodspecRubyExtension.js'
 import { createSwiftCxxBridge } from './ios/createSwiftCxxBridge.js'
 import { createSwiftUmbrellaHeader } from './ios/createSwiftUmbrellaHeader.js'
+import { getSpmPackageName } from './ios/getSpmPackageName.js'
 
 interface IOSAutolinking extends Autolinking {}
 
-export function createIOSAutolinking(): IOSAutolinking {
+/**
+ * Deletes a previously generated `Package.swift` when one can no longer be
+ * generated (e.g. the package has no readable `package.json`).
+ *
+ * Nitrogen's own dangling-file cleanup only covers `nitrogen/generated/`, and
+ * `Package.swift` lives at the PACKAGE ROOT — so without this it would linger
+ * and keep React Native's SwiftPM autolinking treating the module as a
+ * self-managed package.
+ *
+ * Only removes files carrying nitrogen's generated-by marker: a hand-authored
+ * `Package.swift` (a library shipping its own SwiftPM support) is never
+ * touched.
+ */
+function removeGeneratedPackageSwift(): void {
+  const manifest = path.join(process.cwd(), 'Package.swift')
+  try {
+    if (!fs.existsSync(manifest)) return
+    const content = fs.readFileSync(manifest, 'utf8')
+    if (!content.includes('This file was generated by nitrogen')) return
+    fs.rmSync(manifest)
+  } catch {
+    // Best-effort: a stale manifest is not worth failing codegen over.
+  }
+}
+
+export function createIOSAutolinking(outputDirectory: string): IOSAutolinking {
   const podspecExtension = createPodspecRubyExtension()
   const swiftCxxBridge = createSwiftCxxBridge()
   const swiftUmbrellaHeader = createSwiftUmbrellaHeader()
   const hybridObjectInitializer = createHybridObjectIntializer()
+  // React Native SwiftPM (Preview) support. Purely additive — CocoaPods apps
+  // never read Package.swift — and needs no configuration: the package
+  // identity is derived from the npm package name exactly as React Native's
+  // autolinker derives it.
+  const spmPackageName = getSpmPackageName(process.cwd())
+  const packageSwift =
+    spmPackageName != null
+      ? createPackageSwift(spmPackageName, outputDirectory)
+      : []
+  // Also covers the case where a manifest cannot be expressed for this output
+  // directory - see `createPackageSwift`.
+  if (packageSwift.length === 0) removeGeneratedPackageSwift()
 
   return {
     platform: 'ios',
@@ -19,6 +60,7 @@ export function createIOSAutolinking(): IOSAutolinking {
       ...swiftCxxBridge,
       swiftUmbrellaHeader,
       ...hybridObjectInitializer,
+      ...packageSwift,
     ],
   }
 }