Migrating RNTester to Packages Directory (#29567)

Summary:
## Changelog

<!-- Help reviewers and the release process by writing your own changelog entry. For an example, see:
https://github.com/facebook/react-native/wiki/Changelog
-->
This PR aims to migrate the RNTester App to `packages` directory. But is currently, open to inspect the CI issues and resolve the merge conflicts.

Currently done
 - Working on iOS
 - Working on Android
 - Detox Tests working on iOS

Need to work on
 - Errors generated by the CI builds

[General] [Changed] - Migrated the RNTester App to the packages directory.

Pull Request resolved: https://github.com/facebook/react-native/pull/29567

Test Plan: It runs on both ios and android for now and the detox iOS builds are working.

Reviewed By: cpojer

Differential Revision: D23034761

Pulled By: rickhanlonii

fbshipit-source-id: e04bb06e1c7ef15d340206090d1575a871b9e6f5

.circleci/config.yml

@@ -148,17 +148,17 @@ commands:
     steps:
       - run:
           name: Setup CocoaPods cache
-          # Copy RNTester/Podfile.lock since it can be changed by pod install
-          command: cp RNTester/Podfile.lock RNTester/Podfile.lock.bak
+          # Copy packages/rn-tester/Podfile.lock since it can be changed by pod install
+          command: cp packages/rn-tester/Podfile.lock packages/rn-tester/Podfile.lock.bak
       - restore_cache:
           keys:
-            - v1-pods-{{ .Environment.CIRCLE_JOB }}-{{ checksum "RNTester/Podfile.lock.bak" }}
+            - v1-pods-{{ .Environment.CIRCLE_JOB }}-{{ checksum "packages/rn-tester/Podfile.lock.bak" }}
             - v1-pods-{{ .Environment.CIRCLE_JOB }}-
       - steps: << parameters.steps >>
       - save_cache:
           paths:
-            - RNTester/Pods
-          key: v1-pods-{{ .Environment.CIRCLE_JOB }}-{{ checksum "RNTester/Podfile.lock.bak" }}
+            - packages/rn-tester/Pods
+          key: v1-pods-{{ .Environment.CIRCLE_JOB }}-{{ checksum "packages/rn-tester/Podfile.lock.bak" }}
 
   download_gradle_dependencies:
     steps:
@@ -372,7 +372,7 @@ jobs:
       - run_yarn
 
       - run: |
-          cd RNTester
+          cd packages/rn-tester
           bundle check || bundle install
       - run:
           name: Boot iPhone Simulator
@@ -419,11 +419,11 @@ jobs:
           steps:
             - run:
                 name: Generate RNTesterPods Workspace
-                command: cd RNTester && pod install --verbose
+                command: cd packages/rn-tester && pod install --verbose
 
       - run:
           name: Generate RNTesterPods Xcode Workspace
-          command: pushd RNTester && pod install --verbose && popd
+          command: pushd packages/rn-tester && pod install --verbose && popd
 
       # -------------------------
       # Runs iOS unit tests
@@ -535,7 +535,7 @@ jobs:
 
       - run:
           name: Assemble RNTester App
-          command: ./gradlew RNTester:android:app:assembleRelease
+          command: ./gradlew packages:rn-tester:android:app:assembleRelease
 
       # -------------------------
       # Run Android tests
@@ -668,7 +668,7 @@ jobs:
             - run: echo "Failing tests may be moved here temporarily."
             - run:
                 name: Android Build
-                command: ./gradlew.bat RNTester:android:app:assembleRelease
+                command: ./gradlew.bat packages:rn-tester:android:app:assembleRelease
 
   # -------------------------
   #      JOBS: Coverage

.eslintrc

@@ -22,7 +22,7 @@
         "**/__mocks__/**/*.js",
         "**/__tests__/**/*.js",
         "jest/**/*.js",
-        "RNTester/**/*.js",
+        "packages/rn-tester/**/*.js",
       ],
       "globals": {
         // Expose some Jest globals for test helpers

.gitignore

@@ -23,10 +23,10 @@ project.xcworkspace
 
 # Gradle
 /build/
-/RNTester/android/app/build/
-/RNTester/android/app/gradle/
-/RNTester/android/app/gradlew
-/RNTester/android/app/gradlew.bat
+/packages/rn-tester/android/app/build/
+/packages/rn-tester/android/app/gradle/
+/packages/rn-tester/android/app/gradlew
+/packages/rn-tester/android/app/gradlew.bat
 /ReactAndroid/build/
 /ReactAndroid/gradle/
 /ReactAndroid/gradlew
@@ -75,7 +75,8 @@ package-lock.json
 
 # ReactCommon subdir shouldn't have Xcode project
 /ReactCommon/**/*.xcodeproj
-RNTester/build
+/packages/rn-tester/build
+/packages/rn-tester/android/app/build/*
 
 # Libs that shouldn't have Xcode project
 /Libraries/FBLazyVector/**/*.xcodeproj
@@ -87,11 +88,11 @@ RNTester/build
 # CocoaPods
 /template/ios/Pods/
 /template/ios/Podfile.lock
-/RNTester/Gemfile.lock
+/packages/rn-tester/Gemfile.lock
 
 # Ignore RNTester specific Pods, but keep the __offline_mirrors__ here.
-RNTester/Pods/*
-!RNTester/Pods/__offline_mirrors
+/packages/rn-tester/Pods/*
+!/packages/rn-tester/Pods/__offline_mirrors__
 
 # react-native-codegen
 /packages/react-native-codegen/lib

bots/report-bundle-size.js

@@ -138,7 +138,7 @@ function getFileSize(path) {
  */
 function android_getApkSize(engine, arch) {
   return getFileSize(
-    `RNTester/android/app/build/outputs/apk/${engine}/release/app-${engine}-${arch}-release.apk`,
+    `packages/rn-tester/android/app/build/outputs/apk/${engine}/release/app-${engine}-${arch}-release.apk`,
   );
 }
 
@@ -171,7 +171,7 @@ function report(target) {
       reportSizeStats(
         {
           'ios-universal': getFileSize(
-            'RNTester/build/Build/Products/Release-iphonesimulator/RNTester.app/RNTester',
+            'packages/rn-tester/build/Build/Products/Release-iphonesimulator/RNTester.app/RNTester',
           ),
         },
         '\\| ios \\| - \\| universal \\|',

jest.config.js

@@ -22,7 +22,7 @@ module.exports = {
     '/node_modules/',
     '<rootDir>/template',
     'Libraries/Renderer',
-    'RNTester/e2e',
+    'packages/rn-tester/e2e',
   ],
   transformIgnorePatterns: ['node_modules/(?!@react-native/)'],
   haste: {

package.json

@@ -74,7 +74,7 @@
     "test-android-unit": "yarn run docker-build-android && yarn run test-android-run-unit",
     "test-android-e2e": "yarn run docker-build-android && yarn run test-android-run-e2e",
     "build-ios-e2e": "detox build -c ios.sim.release",
-    "test-ios-e2e": "detox test -c ios.sim.release RNTester/e2e",
+    "test-ios-e2e": "detox test -c ios.sim.release packages/rn-tester/e2e",
     "test-ios": "./scripts/objc-test.sh test"
   },
   "workspaces": [
@@ -119,36 +119,36 @@
   },
   "detox": {
     "test-runner": "jest",
-    "runner-config": "RNTester/e2e/config.json",
+    "runner-config": "packages/rn-tester/e2e/config.json",
     "specs": "",
     "configurations": {
       "android.emu.release": {
-        "binaryPath": "RNTester/android/app/build/outputs/apk/hermes/release/app-hermes-x86-release.apk",
-        "testBinaryPath": "RNTester/android/app/build/outputs/apk/androidTest/hermes/release/app-hermes-release-androidTest.apk",
-        "build": "./gradlew RNTester:android:app:assembleRelease RNTester:android:app:assembleAndroidTest -DtestBuildType=release",
+        "binaryPath": "packages/rn-tester/android/app/build/outputs/apk/hermes/release/app-hermes-x86-release.apk",
+        "testBinaryPath": "packages/rn-tester/android/app/build/outputs/apk/androidTest/hermes/release/app-hermes-release-androidTest.apk",
+        "build": "./gradlew :packages:rn-tester:android:app:assembleRelease RNTester:android:app:assembleAndroidTest -DtestBuildType=release",
         "type": "android.emulator",
         "device": {
           "avdName": "Nexus_6_API_29"
         }
       },
       "android.emu.debug": {
-        "binaryPath": "RNTester/android/app/build/outputs/apk/hermes/debug/app-hermes-x86-debug.apk",
-        "testBinaryPath": "RNTester/android/app/build/outputs/apk/androidTest/hermes/debug/app-hermes-debug-androidTest.apk",
-        "build": "./gradlew RNTester:android:app:assembleDebug RNTester:android:app:assembleAndroidTest -DtestBuildType=debug",
+        "binaryPath": "packages/rn-tester/android/app/build/outputs/apk/hermes/debug/app-hermes-x86-debug.apk",
+        "testBinaryPath": "packages/rn-tester/android/app/build/outputs/apk/androidTest/hermes/debug/app-hermes-debug-androidTest.apk",
+        "build": "./gradlew :packages:rn-tester:android:app:assembleDebug RNTester:android:app:assembleAndroidTest -DtestBuildType=debug",
         "type": "android.emulator",
         "device": {
           "avdName": "Nexus_6_API_29"
         }
       },
       "ios.sim.release": {
-        "binaryPath": "RNTester/build/Build/Products/Release-iphonesimulator/RNTester.app/",
-        "build": "xcodebuild -workspace RNTester/RNTesterPods.xcworkspace -scheme RNTester -configuration Release -sdk iphonesimulator -derivedDataPath RNTester/build -UseModernBuildSystem=NO -quiet",
+        "binaryPath": "packages/rn-tester/build/Build/Products/Release-iphonesimulator/RNTester.app/",
+        "build": "xcodebuild -workspace packages/rn-tester/RNTesterPods.xcworkspace -scheme RNTester -configuration Release -sdk iphonesimulator -derivedDataPath packages/rn-tester/build -UseModernBuildSystem=NO -quiet",
         "type": "ios.simulator",
         "name": "iPhone 8"
       },
       "ios.sim.debug": {
-        "binaryPath": "RNTester/build/Build/Products/Debug-iphonesimulator/RNTester.app/",
-        "build": "xcodebuild -workspace RNTester/RNTesterPods.xcworkspace -scheme RNTester -configuration Debug -sdk iphonesimulator -derivedDataPath RNTester/build -UseModernBuildSystem=NO -quiet",
+        "binaryPath": "packages/rn-tester/build/Build/Products/Debug-iphonesimulator/RNTester.app/",
+        "build": "xcodebuild -workspace packages/rn-tester/RNTesterPods.xcworkspace -scheme RNTester -configuration Debug -sdk iphonesimulator -derivedDataPath packages/rn-tester/build -UseModernBuildSystem=NO -quiet",
         "type": "ios.simulator",
         "name": "iPhone 8"
       }

packages/rn-tester/BUCK

@@ -0,0 +1,23 @@
+load("@fbsource//tools/build_defs/third_party:yarn_defs.bzl", "yarn_workspace")
+
+yarn_workspace(
+    name = "yarn-workspace",
+    srcs = glob(
+        ["**/*.js"],
+        exclude = [
+            "**/__fixtures__/**",
+            "**/__flowtests__/**",
+            "**/__mocks__/**",
+            "**/__server_snapshot_tests__/**",
+            "**/__tests__/**",
+            "**/node_modules/**",
+            "**/node_modules/.bin/**",
+            "**/.*",
+            "**/.*/**",
+            "**/.*/.*",
+            "**/*.xcodeproj/**",
+            "**/*.xcworkspace/**",
+        ],
+    ),
+    visibility = ["PUBLIC"],
+)

packages/rn-tester/NativeModuleExample/NativeScreenshotManager.js

@@ -10,8 +10,8 @@
 
 'use strict';
 
-import type {TurboModule} from '../../Libraries/TurboModule/RCTExport';
-import * as TurboModuleRegistry from '../../Libraries/TurboModule/TurboModuleRegistry';
+import type {TurboModule} from '../../../Libraries/TurboModule/RCTExport';
+import * as TurboModuleRegistry from '../../../Libraries/TurboModule/TurboModuleRegistry';
 
 export interface Spec extends TurboModule {
   +getConstants: () => {||};

packages/rn-tester/Podfile

@@ -1,4 +1,4 @@
-require_relative '../scripts/react_native_pods'
+require_relative '../../scripts/react_native_pods'
 
 source 'https://cdn.cocoapods.org/'
 platform :ios, '10.0'
@@ -12,12 +12,13 @@ def pods()
   project 'RNTesterPods.xcodeproj'
 
   # Enable TurboModule
-  use_react_native!(path: "..")
-  pod 'ReactCommon/turbomodule/samples', :path => '../ReactCommon'
+  prefix_path = "../.."
+  use_react_native!(path:prefix_path)
+  pod 'ReactCommon/turbomodule/samples', :path => "#{prefix_path}/ReactCommon"
 
   # Additional Pods which aren't included in the default Podfile
-  pod 'React-RCTPushNotification', :path => '../Libraries/PushNotificationIOS'
-  pod 'Yoga',:path => '../ReactCommon/yoga', :modular_headers => true
+  pod 'React-RCTPushNotification', :path => "#{prefix_path}/Libraries/PushNotificationIOS"
+  pod 'Yoga',:path => "#{prefix_path}/ReactCommon/yoga", :modular_headers => true
   # Additional Pods which are classed as unstable
   #
   # To use fabric: add `fabric_enabled` option to the use_react_native method above, like below
@@ -56,7 +57,7 @@ def frameworks_pre_install(installer)
 end
 
 def codegen_pre_install(installer)
-  system("../scripts/generate-native-modules-specs.sh")
+  system("../../scripts/generate-native-modules-specs.sh")
 end
 
 pre_install do |installer|

packages/rn-tester/Podfile.lock

@@ -354,9 +354,9 @@ PODS:
     - Yoga (~> 1.14)
 
 DEPENDENCIES:
-  - DoubleConversion (from `../third-party-podspecs/DoubleConversion.podspec`)
-  - FBLazyVector (from `../Libraries/FBLazyVector`)
-  - FBReactNativeSpec (from `../Libraries/FBReactNativeSpec`)
+  - DoubleConversion (from `../../third-party-podspecs/DoubleConversion.podspec`)
+  - FBLazyVector (from `../../Libraries/FBLazyVector`)
+  - FBReactNativeSpec (from `../../Libraries/FBReactNativeSpec`)
   - Flipper (~> 0.41.1)
   - Flipper-DoubleConversion (= 1.1.7)
   - Flipper-Folly (~> 2.2)
@@ -376,36 +376,36 @@ DEPENDENCIES:
   - FlipperKit/FlipperKitReactPlugin (~> 0.41.1)
   - FlipperKit/FlipperKitUserDefaultsPlugin (~> 0.41.1)
   - FlipperKit/SKIOSNetworkPlugin (~> 0.41.1)
-  - Folly (from `../third-party-podspecs/Folly.podspec`)
-  - glog (from `../third-party-podspecs/glog.podspec`)
-  - RCTRequired (from `../Libraries/RCTRequired`)
-  - RCTTypeSafety (from `../Libraries/TypeSafety`)
-  - React (from `../`)
-  - React-callinvoker (from `../ReactCommon/callinvoker`)
-  - React-Core (from `../`)
-  - React-Core/DevSupport (from `../`)
-  - React-Core/RCTWebSocket (from `../`)
-  - React-CoreModules (from `../React/CoreModules`)
-  - React-cxxreact (from `../ReactCommon/cxxreact`)
-  - React-jsi (from `../ReactCommon/jsi`)
-  - React-jsiexecutor (from `../ReactCommon/jsiexecutor`)
-  - React-jsinspector (from `../ReactCommon/jsinspector`)
-  - React-perflogger (from `../ReactCommon/reactperflogger`)
-  - React-RCTActionSheet (from `../Libraries/ActionSheetIOS`)
-  - React-RCTAnimation (from `../Libraries/NativeAnimation`)
-  - React-RCTBlob (from `../Libraries/Blob`)
-  - React-RCTImage (from `../Libraries/Image`)
-  - React-RCTLinking (from `../Libraries/LinkingIOS`)
-  - React-RCTNetwork (from `../Libraries/Network`)
-  - React-RCTPushNotification (from `../Libraries/PushNotificationIOS`)
-  - React-RCTSettings (from `../Libraries/Settings`)
+  - Folly (from `../../third-party-podspecs/Folly.podspec`)
+  - glog (from `../../third-party-podspecs/glog.podspec`)
+  - RCTRequired (from `../../Libraries/RCTRequired`)
+  - RCTTypeSafety (from `../../Libraries/TypeSafety`)
+  - React (from `../../`)
+  - React-callinvoker (from `../../ReactCommon/callinvoker`)
+  - React-Core (from `../../`)
+  - React-Core/DevSupport (from `../../`)
+  - React-Core/RCTWebSocket (from `../../`)
+  - React-CoreModules (from `../../React/CoreModules`)
+  - React-cxxreact (from `../../ReactCommon/cxxreact`)
+  - React-jsi (from `../../ReactCommon/jsi`)
+  - React-jsiexecutor (from `../../ReactCommon/jsiexecutor`)
+  - React-jsinspector (from `../../ReactCommon/jsinspector`)
+  - React-perflogger (from `../../ReactCommon/reactperflogger`)
+  - React-RCTActionSheet (from `../../Libraries/ActionSheetIOS`)
+  - React-RCTAnimation (from `../../Libraries/NativeAnimation`)
+  - React-RCTBlob (from `../../Libraries/Blob`)
+  - React-RCTImage (from `../../Libraries/Image`)
+  - React-RCTLinking (from `../../Libraries/LinkingIOS`)
+  - React-RCTNetwork (from `../../Libraries/Network`)
+  - React-RCTPushNotification (from `../../Libraries/PushNotificationIOS`)
+  - React-RCTSettings (from `../../Libraries/Settings`)
   - React-RCTTest (from `./RCTTest`)
-  - React-RCTText (from `../Libraries/Text`)
-  - React-RCTVibration (from `../Libraries/Vibration`)
-  - React-runtimeexecutor (from `../ReactCommon/runtimeexecutor`)
-  - ReactCommon/turbomodule/core (from `../ReactCommon`)
-  - ReactCommon/turbomodule/samples (from `../ReactCommon`)
-  - Yoga (from `../ReactCommon/yoga`)
+  - React-RCTText (from `../../Libraries/Text`)
+  - React-RCTVibration (from `../../Libraries/Vibration`)
+  - React-runtimeexecutor (from `../../ReactCommon/runtimeexecutor`)
+  - ReactCommon/turbomodule/core (from `../../ReactCommon`)
+  - ReactCommon/turbomodule/samples (from `../../ReactCommon`)
+  - Yoga (from `../../ReactCommon/yoga`)
 
 SPEC REPOS:
   trunk:
@@ -424,65 +424,65 @@ SPEC REPOS:
 
 EXTERNAL SOURCES:
   DoubleConversion:
-    :podspec: "../third-party-podspecs/DoubleConversion.podspec"
+    :podspec: "../../third-party-podspecs/DoubleConversion.podspec"
   FBLazyVector:
-    :path: "../Libraries/FBLazyVector"
+    :path: "../../Libraries/FBLazyVector"
   FBReactNativeSpec:
-    :path: "../Libraries/FBReactNativeSpec"
+    :path: "../../Libraries/FBReactNativeSpec"
   Folly:
-    :podspec: "../third-party-podspecs/Folly.podspec"
+    :podspec: "../../third-party-podspecs/Folly.podspec"
   glog:
-    :podspec: "../third-party-podspecs/glog.podspec"
+    :podspec: "../../third-party-podspecs/glog.podspec"
   RCTRequired:
-    :path: "../Libraries/RCTRequired"
+    :path: "../../Libraries/RCTRequired"
   RCTTypeSafety:
-    :path: "../Libraries/TypeSafety"
+    :path: "../../Libraries/TypeSafety"
   React:
-    :path: "../"
+    :path: "../../"
   React-callinvoker:
-    :path: "../ReactCommon/callinvoker"
+    :path: "../../ReactCommon/callinvoker"
   React-Core:
-    :path: "../"
+    :path: "../../"
   React-CoreModules:
-    :path: "../React/CoreModules"
+    :path: "../../React/CoreModules"
   React-cxxreact:
-    :path: "../ReactCommon/cxxreact"
+    :path: "../../ReactCommon/cxxreact"
   React-jsi:
-    :path: "../ReactCommon/jsi"
+    :path: "../../ReactCommon/jsi"
   React-jsiexecutor:
-    :path: "../ReactCommon/jsiexecutor"
+    :path: "../../ReactCommon/jsiexecutor"
   React-jsinspector:
-    :path: "../ReactCommon/jsinspector"
+    :path: "../../ReactCommon/jsinspector"
   React-perflogger:
-    :path: "../ReactCommon/reactperflogger"
+    :path: "../../ReactCommon/reactperflogger"
   React-RCTActionSheet:
-    :path: "../Libraries/ActionSheetIOS"
+    :path: "../../Libraries/ActionSheetIOS"
   React-RCTAnimation:
-    :path: "../Libraries/NativeAnimation"
+    :path: "../../Libraries/NativeAnimation"
   React-RCTBlob:
-    :path: "../Libraries/Blob"
+    :path: "../../Libraries/Blob"
   React-RCTImage:
-    :path: "../Libraries/Image"
+    :path: "../../Libraries/Image"
   React-RCTLinking:
-    :path: "../Libraries/LinkingIOS"
+    :path: "../../Libraries/LinkingIOS"
   React-RCTNetwork:
-    :path: "../Libraries/Network"
+    :path: "../../Libraries/Network"
   React-RCTPushNotification:
-    :path: "../Libraries/PushNotificationIOS"
+    :path: "../../Libraries/PushNotificationIOS"
   React-RCTSettings:
-    :path: "../Libraries/Settings"
+    :path: "../../Libraries/Settings"
   React-RCTTest:
     :path: "./RCTTest"
   React-RCTText:
-    :path: "../Libraries/Text"
+    :path: "../../Libraries/Text"
   React-RCTVibration:
-    :path: "../Libraries/Vibration"
+    :path: "../../Libraries/Vibration"
   React-runtimeexecutor:
-    :path: "../ReactCommon/runtimeexecutor"
+    :path: "../../ReactCommon/runtimeexecutor"
   ReactCommon:
-    :path: "../ReactCommon"
+    :path: "../../ReactCommon"
   Yoga:
-    :path: "../ReactCommon/yoga"
+    :path: "../../ReactCommon/yoga"
 
 SPEC CHECKSUMS:
   boost-for-react-native: 39c7adb57c4e60d6c5479dd8623128eb5b3f0f2c
@@ -528,6 +528,6 @@ SPEC CHECKSUMS:
   Yoga: f7fa200d8c49f97b54c9421079e781fb900b5cae
   YogaKit: f782866e155069a2cca2517aafea43200b01fd5a
 
-PODFILE CHECKSUM: b81a6d17037664baa1b98b1c4ff2ec7b04aa928d
+PODFILE CHECKSUM: 3045d3456f0f2268f15db9a527839e6a19e6071c
 
 COCOAPODS: 1.8.4

packages/rn-tester/RCTTest/RCTSnapshotNativeComponent.js

@@ -12,9 +12,9 @@
 
 const {requireNativeComponent} = require('react-native');
 
-import type {HostComponent} from '../../Libraries/Renderer/shims/ReactNativeTypes';
-import type {SyntheticEvent} from '../../Libraries/Types/CoreEventTypes';
-import type {ViewProps} from '../../Libraries/Components/View/ViewPropTypes';
+import type {HostComponent} from '../../../Libraries/Renderer/shims/ReactNativeTypes';
+import type {SyntheticEvent} from '../../../Libraries/Types/CoreEventTypes';
+import type {ViewProps} from '../../../Libraries/Components/View/ViewPropTypes';
 
 type SnapshotReadyEvent = SyntheticEvent<
   $ReadOnly<{testIdentifier: string, ...}>,

packages/rn-tester/RCTTest/React-RCTTest.podspec

@@ -5,7 +5,7 @@
 
 require "json"
 
-package = JSON.parse(File.read(File.join(__dir__, "..", "..", "package.json")))
+package = JSON.parse(File.read(File.join(__dir__, "..", "..", "..", "package.json")))
 version = package['version']
 
 source = { :git => 'https://github.com/facebook/react-native.git' }

packages/rn-tester/RNTester/AppDelegate.mm

@@ -109,7 +109,7 @@
 - (NSURL *)sourceURLForBridge:(__unused RCTBridge *)bridge
 {
   NSString *bundlePrefix = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"RN_BUNDLE_PREFIX"];
-  NSString *bundleRoot = [NSString stringWithFormat:@"%@RNTester/js/RNTesterApp.ios", bundlePrefix];
+  NSString *bundleRoot = [NSString stringWithFormat:@"%@packages/rn-tester/js/RNTesterApp.ios", bundlePrefix];
   return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:bundleRoot
                                                         fallbackResource:nil];
 }

packages/rn-tester/RNTesterIntegrationTests/RNTesterSnapshotTests.m

@@ -20,7 +20,7 @@
 
 - (void)setUp
 {
-  _runner = RCTInitRunnerForApp(@"RNTester/js/RNTesterApp.ios", nil, nil);
+  _runner = RCTInitRunnerForApp(@"packages/rn-tester/js/RNTesterApp.ios", nil, nil);
   if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 10) {
     _runner.testSuffix = [NSString stringWithFormat:@"-iOS%d", UIDevice.currentDevice.systemVersion.intValue];
   }

packages/rn-tester/RNTesterPods.xcodeproj/project.pbxproj

@@ -549,7 +549,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "export RCT_METRO_PORT=\"${RCT_METRO_PORT:=8081}\"\necho \"export RCT_METRO_PORT=${RCT_METRO_PORT}\" > \"${SRCROOT}/../scripts/.packager.env\"\nif [ -z \"${RCT_NO_LAUNCH_PACKAGER+xxx}\" ] ; then\n  if nc -w 5 -z localhost ${RCT_METRO_PORT} ; then\n    if ! curl -s \"http://localhost:${RCT_METRO_PORT}/status\" | grep -q \"packager-status:running\" ; then\n      echo \"Port ${RCT_METRO_PORT} already in use, packager is either not running or not running correctly\"\n      exit 2\n    fi\n  else\n    open \"$SRCROOT/../scripts/launchPackager.command\" || echo \"Can't start packager automatically\"\n  fi\nfi\n";
+			shellScript = "export RCT_METRO_PORT=\"${RCT_METRO_PORT:=8081}\"\necho \"export RCT_METRO_PORT=${RCT_METRO_PORT}\" > \"${SRCROOT}/../../scripts/.packager.env\"\nif [ -z \"${RCT_NO_LAUNCH_PACKAGER+xxx}\" ] ; then\n  if nc -w 5 -z localhost ${RCT_METRO_PORT} ; then\n    if ! curl -s \"http://localhost:${RCT_METRO_PORT}/status\" | grep -q \"packager-status:running\" ; then\n      echo \"Port ${RCT_METRO_PORT} already in use, packager is either not running or not running correctly\"\n      exit 2\n    fi\n  else\n    open \"$SRCROOT/../../scripts/launchPackager.command\" || echo \"Can't start packager automatically\"\n  fi\nfi\n";
 			showEnvVarsInLog = 0;
 		};
 		64C8C8D2305EEDFDE304A0E6 /* [CP] Check Pods Manifest.lock */ = {
@@ -586,7 +586,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "export NODE_BINARY=node\n\"$SRCROOT/../scripts/react-native-xcode.sh\" RNTester/js/RNTesterApp.ios.js\n";
+			shellScript = "export NODE_BINARY=node\n\"$SRCROOT/../../scripts/react-native-xcode.sh\" $SRCROOT/../../packages/rn-tester/js/RNTesterApp.ios.js\n";
 		};
 		C1C7A9D58CE1D09515F20577 /* [CP] Copy Pods Resources */ = {
 			isa = PBXShellScriptBuildPhase;