RN: Move {packages => private}/helloworld (#51934)

Summary:
Pull Request resolved: #51934

Moves `packages/helloworld` to `private/helloworld`.

Changelog:
[Internal]

Reviewed By: huntie

Differential Revision: D76356557

fbshipit-source-id: 92b20d75a8f2badb3c685d4918fe692623d9c04d

Author: yungsters

.flowconfig

@@ -27,7 +27,7 @@
 <PROJECT_ROOT>/packages/.*/dist
 
 ; helloworld
-<PROJECT_ROOT>/packages/helloworld/ios/Pods/
+<PROJECT_ROOT>/private/helloworld/ios/Pods/
 
 ; Ignore rn-tester Pods
 <PROJECT_ROOT>/packages/rn-tester/Pods/

.github/actions/test-ios-helloworld/action.yml

@@ -51,7 +51,7 @@ runs:
     - name: Install iOS dependencies - Configuration ${{ inputs.flavor }};
       shell: bash
       run: |
-        cd packages/helloworld
+        cd private/helloworld
         args=()
 
         if [[ ${{ inputs.use-frameworks }} == "DynamicFrameworks" ]]; then
@@ -70,7 +70,7 @@ runs:
         fi
 
         BUILD_TYPE="${{ inputs.flavor }}"
-        TARBALL_FILENAME=$(node ../react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
+        TARBALL_FILENAME=$(node ../../packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
         export HERMES_ENGINE_TARBALL_PATH="$HERMES_WS_DIR/hermes-runtime-darwin/$TARBALL_FILENAME"
         export RCT_USE_LOCAL_RN_DEP="/tmp/third-party/ReactNativeDependencies${{ inputs.flavor }}.xcframework.tar.gz"
 
@@ -79,13 +79,13 @@ runs:
     - name: Run Helloworld tests
       shell: bash
       run: |
-        cd packages/helloworld
+        cd private/helloworld
         yarn test
 
     - name: Build HelloWorld project
       shell: bash
       run: |
-        cd packages/helloworld
+        cd private/helloworld
 
         args=()
         if [[ ${{ inputs.flavor }} == "Release" ]]; then

.github/workflows/test-all.yml

@@ -533,7 +533,7 @@ jobs:
       - name: Build the Helloworld application for ${{ matrix.flavor }} with Architecture set to New Architecture.
         shell: bash
         run: |
-          cd packages/helloworld/android
+          cd private/helloworld/android
           args=()
           if [[ ${{ matrix.flavor }} == "Release" ]]; then
             args+=(--prod)
@@ -543,7 +543,7 @@ jobs:
         uses: actions/upload-artifact@v4.3.4
         with:
           name: helloworld-apk-${{ matrix.flavor }}-NewArch-hermes
-          path: ./packages/helloworld/android/app/build/outputs/apk/
+          path: ./private/helloworld/android/app/build/outputs/apk/
           compression-level: 0
 
   test_ios_helloworld_with_ruby_3_2_0:

.gitignore

@@ -40,8 +40,8 @@ project.xcworkspace
 /packages/react-native/ReactAndroid/external-artifacts/artifacts/
 /packages/react-native/ReactAndroid/hermes-engine/build/
 /packages/react-native/ReactAndroid/hermes-engine/.cxx/
-/packages/helloworld/android/app/build/
-/packages/helloworld/android/build/
+/private/helloworld/android/app/build/
+/private/helloworld/android/build/
 /packages/react-native-popup-menu-android/android/build/
 /packages/react-native-test-library/android/build/
 
@@ -108,15 +108,15 @@ package-lock.json
 
 # Ruby Gems (Bundler)
 /packages/react-native/vendor
-/packages/helloworld/vendor
+/private/helloworld/vendor
 .ruby-version
 /**/.ruby-version
 vendor/
 
 # iOS / CocoaPods
-/packages/helloworld/ios/build/
-/packages/helloworld/ios/Pods/
-/packages/helloworld/ios/Podfile.lock
+/private/helloworld/ios/build/
+/private/helloworld/ios/Pods/
+/private/helloworld/ios/Podfile.lock
 /packages/rn-tester/bin/
 /packages/rn-tester/cache/
 /packages/rn-tester/extensions/

jest.config.js

@@ -16,7 +16,7 @@ const {defaults} = require('jest-config');
 
 const PODS_LOCATIONS = [
   'packages/rn-tester/Pods',
-  'packages/helloworld/ios/Pods',
+  'private/helloworld/ios/Pods',
 ];
 
 module.exports = {

package.json

@@ -40,7 +40,7 @@
   "workspaces": [
     "packages/*",
     "private/*",
-    "!packages/helloworld"
+    "!private/helloworld"
   ],
   "devDependencies": {
     "@babel/core": "^7.25.2",