Publish ReactCore prebuilds to Maven central (#51923)

Summary:
Pull Request resolved: #51923

This diff publishes the Reactcore prebuilds to Maven central so that apps can use it when integrating with React Native

## Changelog:
[Internal] -

Reviewed By: cortinico

Differential Revision: D76338793

fbshipit-source-id: 777c91805573b90ef15209e196cd66801908a5ce

Author: cipolleschi

.github/actions/build-npm-package/action.yml

@@ -107,6 +107,12 @@ runs:
         pattern: ReactNativeDependencies*
         path: ./packages/react-native/ReactAndroid/external-artifacts/artifacts
         merge-multiple: true
+    - name: Download ReactCore artifacts
+      uses: actions/download-artifact@v4
+      with:
+        pattern: ReactCore*
+        path: ./packages/react-native/ReactAndroid/external-artifacts/artifacts
+        merge-multiple: true
     - name: Print Artifacts Directory
       shell: bash
       run: ls -lR ./packages/react-native/ReactAndroid/external-artifacts/artifacts/

.github/workflows/prebuild-ios-core.yml

@@ -182,12 +182,12 @@ jobs:
       - name: Upload XCFramework Artifact
         uses: actions/upload-artifact@v4
         with:
-          name: React${{ matrix.flavor }}.xcframework.tar.gz
+          name: ReactCore${{ matrix.flavor }}.xcframework.tar.gz
           path: packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.xcframework.tar.gz
       - name: Upload dSYM Artifact
         uses: actions/upload-artifact@v4
         with:
-          name: React${{ matrix.flavor }}.framework.dSYM.tar.gz
+          name: ReactCore${{ matrix.flavor }}.framework.dSYM.tar.gz
           path: packages/react-native/.build/output/xcframeworks/React${{matrix.flavor}}.framework.dSYM.tar.gz
       - name: Save cache if present
         if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode

packages/react-native/ReactAndroid/external-artifacts/build.gradle.kts

@@ -53,6 +53,7 @@ val hermesDSYMReleaseArtifact: PublishArtifact =
       classifier = "hermes-framework-dSYM-release"
     }
 
+// [iOS] React Native Dependencies
 val reactNativeDependenciesDebugArtifactFile: RegularFile =
     layout.projectDirectory.file("artifacts/ReactNativeDependenciesDebug.xcframework.tar.gz")
 val reactNativeDependenciesDebugArtifact: PublishArtifact =
@@ -88,6 +89,42 @@ val reactNativeDependenciesReleaseDSYMArtifact: PublishArtifact =
       classifier = "reactnative-dependencies-dSYM-release"
     }
 
+// [iOS] React Native Core
+val reactCoreDebugArtifactFile: RegularFile =
+    layout.projectDirectory.file("artifacts/ReactCoreDebug.xcframework.tar.gz")
+val reactCoreDebugArtifact: PublishArtifact =
+    artifacts.add("externalArtifacts", reactCoreDebugArtifactFile) {
+      type = "tgz"
+      extension = "tar.gz"
+      classifier = "reactnative-core-debug"
+    }
+
+val reactCoreReleaseArtifactFile: RegularFile =
+    layout.projectDirectory.file("artifacts/ReactCoreRelease.xcframework.tar.gz")
+val reactCoreReleaseArtifact: PublishArtifact =
+    artifacts.add("externalArtifacts", reactCoreReleaseArtifactFile) {
+      type = "tgz"
+      extension = "tar.gz"
+      classifier = "reactnative-core-release"
+    }
+val reactCoreDebugDSYMArtifactFile: RegularFile =
+    layout.projectDirectory.file("artifacts/ReactCoreDebug.framework.dSYM.tar.gz")
+val reactCoreDebugDSYMArtifact: PublishArtifact =
+    artifacts.add("externalArtifacts", reactCoreDebugDSYMArtifactFile) {
+      type = "tgz"
+      extension = "tar.gz"
+      classifier = "reactnative-core-dSYM-debug"
+    }
+
+val reactCoreReleaseDSYMArtifactFile: RegularFile =
+    layout.projectDirectory.file("artifacts/ReactCoreRelease.framework.dSYM.tar.gz")
+val reactCoreReleaseDSYMArtifact: PublishArtifact =
+    artifacts.add("externalArtifacts", reactCoreReleaseDSYMArtifactFile) {
+      type = "tgz"
+      extension = "tar.gz"
+      classifier = "reactnative-dependencies-dSYM-release"
+    }
+
 apply(from = "../publish.gradle")
 
 publishing {
@@ -102,6 +139,10 @@ publishing {
       artifact(reactNativeDependenciesReleaseArtifact)
       artifact(reactNativeDependenciesDebugDSYMArtifact)
       artifact(reactNativeDependenciesReleaseDSYMArtifact)
+      artifact(reactCoreDebugArtifact)
+      artifact(reactCoreReleaseArtifact)
+      artifact(reactCoreDebugDSYMArtifact)
+      artifact(reactCoreReleaseDSYMArtifact)
     }
   }
 }