chore: upgrade to Yarn 3 (#429)

.gitattributes

@@ -1,2 +1,3 @@
-* text=auto
-*.pbxproj -text
+*                  text=auto
+*.pbxproj          -text
+/.yarn/releases/*  binary

.github/dependabot.disabled.yml

@@ -18,8 +18,3 @@ updates:
     schedule:
       interval: "weekly"
     versioning-strategy: "lockfile-only"
-  - package-ecosystem: "npm"
-    directory: "/example"
-    schedule:
-      interval: "weekly"
-    versioning-strategy: "lockfile-only"

.github/workflows/build.yml

@@ -21,14 +21,14 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
       - name: Install
         run: |
-          yarn ci
+          yarn
       - name: Lint commit message
         run: |
           yarn lint:commit
@@ -45,21 +45,17 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 64
-      - name: Deduplicate packages /
+      - name: Deduplicate packages
         run: |
-          npx yarn-deduplicate --list --fail
-      - name: Deduplicate packages /example
-        run: |
-          npx yarn-deduplicate --list --fail
-        working-directory: example
-      - name: Cache /.yarn-offline-mirror
+          yarn dedupe --check
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
       - name: Install
         run: |
-          yarn ci
+          yarn
       - name: ClangFormat
         if: ${{ github.event_name == 'pull_request' }}
         env:
@@ -120,11 +116,11 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /example/.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: example/.yarn-offline-mirror
-          key: ${{ hashFiles('example/yarn.lock') }}
+          path: .yarn/cache
+          key: ${{ hashFiles('yarn.lock') }}
       - name: Set up react-native@nightly
         if: ${{ github.event_name == 'schedule' }}
         run: |
@@ -133,11 +129,10 @@ jobs:
           # https://github.com/facebook/react-native/issues/30036 and
           # https://github.com/microsoft/react-native-macos/issues/620 for more
           # details.
-          yarn set-react-version main
+          npm run set-react-version main
       - name: Install
         run: |
-          yarn ci
-        working-directory: example
+          yarn
       - name: Build
         run: |
           set -eo pipefail
@@ -167,22 +162,11 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
-      - name: npm pack
-        run: |
-          npm pack
-        shell: bash
-      - name: Cache /template-example/.yarn-offline-mirror
-        uses: actions/cache@v2
-        with:
-          path: |
-            template-example/.yarn-offline-mirror
-            template-example/yarn.lock
-          key: ${{ matrix.template }}-${{ hashFiles('react-native-test-app-0.0.1-dev.tgz') }}
       - name: Install
         run: |
           scripts/install-test-template.sh ${{ matrix.template }}
@@ -227,20 +211,19 @@ jobs:
         uses: actions/checkout@v2
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@v1
-      - name: Cache /example/.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: example/.yarn-offline-mirror
-          key: ${{ hashFiles('example/yarn.lock') }}
+          path: .yarn/cache
+          key: ${{ hashFiles('yarn.lock') }}
       - name: Set up react-native@nightly
         if: ${{ github.event_name == 'schedule' }}
         run: |
-          yarn set-react-version nightly
+          npm run set-react-version nightly
         shell: bash
-      - name: Install /example
+      - name: Install
         run: |
-          yarn ci
-        working-directory: example
+          yarn
       - name: Test `react-native config`
         run: |
           yarn jest
@@ -253,16 +236,6 @@ jobs:
           ./gradlew clean build check test
         shell: bash
         working-directory: example
-      - name: Cache /.yarn-offline-mirror
-        if: ${{ matrix.os == 'macos-11' }}
-        uses: actions/cache@v2
-        with:
-          path: .yarn-offline-mirror
-          key: ${{ hashFiles('yarn.lock') }}
-      - name: Install /
-        if: ${{ matrix.os == 'macos-11' }}
-        run: |
-          yarn ci
       - name: Run instrumented tests
         if: ${{ matrix.os == 'macos-11' }}
         uses: reactivecircus/android-emulator-runner@v2
@@ -292,22 +265,11 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
-      - name: npm pack
-        run: |
-          npm pack
-        shell: bash
-      - name: Cache /template-example/.yarn-offline-mirror
-        uses: actions/cache@v2
-        with:
-          path: |
-            template-example/.yarn-offline-mirror
-            template-example/yarn.lock
-          key: ${{ matrix.template }}-${{ hashFiles('react-native-test-app-0.0.1-dev.tgz') }}
       - name: Install
         run: |
           scripts/install-test-template.sh ${{ matrix.template }}
@@ -340,20 +302,19 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /example/.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: example/.yarn-offline-mirror
-          key: ${{ hashFiles('example/yarn.lock') }}
+          path: .yarn/cache
+          key: ${{ hashFiles('yarn.lock') }}
       - name: Set up react-native@canary
         if: ${{ github.event_name == 'schedule' }}
         run: |
-          yarn set-react-version canary-macos
+          npm run set-react-version canary-macos
         shell: bash
       - name: Install
         run: |
-          yarn ci
-        working-directory: example
+          yarn
       - name: Build
         run: |
           set -eo pipefail
@@ -389,22 +350,11 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
-      - name: npm pack
-        run: |
-          npm pack
-        shell: bash
-      - name: Cache /template-example/.yarn-offline-mirror
-        uses: actions/cache@v2
-        with:
-          path: |
-            template-example/.yarn-offline-mirror
-            template-example/yarn.lock
-          key: ${{ matrix.template }}-${{ hashFiles('react-native-test-app-0.0.1-dev.tgz') }}
       - name: Install
         run: |
           scripts/install-test-template.sh ${{ matrix.template }}
@@ -443,20 +393,19 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /example/.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: example/.yarn-offline-mirror
-          key: ${{ hashFiles('example/yarn.lock') }}
+          path: .yarn/cache
+          key: ${{ hashFiles('yarn.lock') }}
       - name: Set up react-native@canary
         if: ${{ github.event_name == 'schedule' }}
         run: |
-          yarn set-react-version canary-windows
+          npm run set-react-version canary-windows
         shell: bash
       - name: Install
         run: |
-          yarn ci
-        working-directory: example
+          yarn
       - name: Build bundle and create solution
         run: |
           yarn build:windows
@@ -496,22 +445,11 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
-      - name: npm pack
-        run: |
-          npm pack
-        shell: bash
-      - name: Cache /template-example/.yarn-offline-mirror
-        uses: actions/cache@v2
-        with:
-          path: |
-            template-example/.yarn-offline-mirror
-            template-example/yarn.lock
-          key: ${{ matrix.template }}-${{ hashFiles('react-native-test-app-0.0.1-dev.tgz') }}
       - name: Install
         run: |
           scripts/install-test-template.sh ${{ matrix.template }}
@@ -559,14 +497,14 @@ jobs:
           node-version: 14
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Cache /.yarn-offline-mirror
+      - name: Cache /.yarn/cache
         uses: actions/cache@v2
         with:
-          path: .yarn-offline-mirror
+          path: .yarn/cache
           key: ${{ hashFiles('yarn.lock') }}
       - name: Install
         run: |
-          yarn ci
+          yarn
       - name: Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -595,9 +533,3 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
         continue-on-error: true
-      - name: /example/yarn.lock changes
-        uses: Simek/yarn-lock-changes@main
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          path: example/yarn.lock
-        continue-on-error: true

.gitignore

@@ -6,7 +6,8 @@
 .idea/
 .vs/
 .watchman-*
-.yarn-offline-mirror/
+.yarn/*
+!.yarn/releases/
 Pods/
 android/**/build/
 clang-format-diff.py

.yarnrc

@@ -1 +0,0 @@
-registry "https://registry.npmjs.org"

.yarnrc-offline

@@ -1,2 +0,0 @@
-registry "https://registry.npmjs.org"
-yarn-offline-mirror ".yarn-offline-mirror"

.yarnrc.yml

@@ -0,0 +1,12 @@
+enableTelemetry: false
+logFilters:
+  - code: YN0007 # X must be built because it never has been before or the last one failed
+    level: discard
+  - code: YN0008 # X must be rebuilt because its dependency tree changed
+    level: discard
+  - code: YN0013 # X can't be found in the cache and will be fetched from the remote registry
+    level: discard
+nmHoistingLimits: workspaces
+nodeLinker: node-modules
+npmRegistryServer: "https://registry.npmjs.org"
+yarnPath: .yarn/releases/yarn-3.0.2.cjs

CONTRIBUTING.md

@@ -37,32 +37,19 @@ Open a terminal and navigate to your clone of this repository:
 cd react-native-test-app
 ```
 
-The first thing we have to do is to tell Yarn that we'd like to link this
-package in another project. This only needs to be done once.
+The first thing we have to do is to install the npm dependencies:
 
 ```sh
-yarn link
-```
-
-You can read more about the command in Yarn's
-[documentation](https://classic.yarnpkg.com/en/docs/cli/link/). Once the link is
-set up, we can go into the Example app folder and install npm dependencies:
-
-```sh
-cd example
 yarn
 ```
 
-Once Yarn is done installing dependencies, we need to tell Yarn to link in
-`react-native-test-app`:
+Once Yarn is done installing dependencies, we need to navigate to the `example`
+folder:
 
 ```sh
-yarn link "react-native-test-app"
+cd example
 ```
 
-Note that this step must be run _after_ having run `yarn`, otherwise it will be
-overwritten.
-
 Now we should be ready to start the app. Jump to the appropriate section below
 for further instructions.
 

example/.yarnrc

@@ -1 +0,0 @@
-registry "https://registry.npmjs.org"

example/.yarnrc-offline

@@ -1,2 +0,0 @@
-registry "https://registry.npmjs.org"
-yarn-offline-mirror ".yarn-offline-mirror"

example/ios/Podfile.lock

@@ -483,4 +483,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 192c89b7b9691a138c7ae651924b80cf83bccf1e
 
-COCOAPODS: 1.10.2
+COCOAPODS: 1.11.2

example/macos/Podfile.lock

@@ -389,4 +389,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 3c90d49455189425443ac97fd0ecb40d4f3b6b78
 
-COCOAPODS: 1.10.2
+COCOAPODS: 1.11.2

example/package.json

@@ -8,11 +8,10 @@
     "build:ios": "mkdirp dist && react-native bundle --entry-file index.js --platform ios --dev true --bundle-output dist/main.ios.jsbundle --assets-dest dist",
     "build:macos": "mkdirp dist && react-native bundle --entry-file index.js --platform macos --dev true --bundle-output dist/main.macos.jsbundle --assets-dest dist",
     "build:windows": "mkdirp dist && react-native bundle --entry-file index.js --platform windows --dev true --bundle-output dist/main.windows.bundle --assets-dest dist",
-    "ci": "yarn --use-yarnrc .yarnrc-offline --prefer-offline",
-    "clean": "yarn --cwd .. clean",
+    "clean": "yarn workspace react-native-test-app clean",
     "ios": "react-native run-ios",
     "macos": "react-native run-macos --scheme Example",
-    "set-react-version": "yarn --cwd .. set-react-version",
+    "set-react-version": "yarn workspace react-native-test-app set-react-version",
     "start": "react-native start",
     "windows": "react-native run-windows --sln windows/Example.sln"
   },
@@ -30,7 +29,7 @@
     "react": "16.13.1",
     "react-native": "^0.63.4",
     "react-native-macos": "^0.63.33",
-    "react-native-test-app": "../",
+    "react-native-test-app": "workspace:.",
     "react-native-windows": "^0.63.32"
   },
   "jest": {

package.json

@@ -45,9 +45,7 @@
     "url": "https://github.com/microsoft/react-native-test-app.git"
   },
   "scripts": {
-    "ci": "yarn --use-yarnrc .yarnrc-offline --prefer-offline --frozen-lockfile --non-interactive",
-    "clean": "npx --quiet rimraf example/node_modules/react-native-test-app && git clean -dfqx",
-    "deduplicate": "npx yarn-deduplicate --strategy fewer",
+    "clean": "git clean -dfqx --exclude=.yarn/cache",
     "format:c": "clang-format -i $(git ls-files '*.cpp' '*.h' '*.m' '*.mm')",
     "format:js": "prettier --write $(git ls-files '*.js' '*.yml' 'test/**/*.json')",
     "format:swift": "swiftformat --swiftversion 5.3 ios macos",
@@ -98,7 +96,7 @@
     "@types/jest": "^26.0.0",
     "@types/mustache": "^4.0.0",
     "@types/node": "^12.0.0",
-    "@types/prompts": "^2.0.0",
+    "@types/prompts": "~2.0.0",
     "@types/rimraf": "^3.0.0",
     "@types/semver": "^7.3.6",
     "eslint": "^7.10.0",
@@ -115,6 +113,10 @@
     "suggestion-bot": "^1.0.0",
     "typescript": "^4.0.0"
   },
+  "packageManager": "yarn@3.0.2",
+  "workspaces": [
+    "example"
+  ],
   "commitlint": {
     "extends": [
       "@commitlint/config-conventional"

scripts/install-test-template.sh

@@ -34,12 +34,16 @@ done
 # Use tarballs to ensure that published packages are consumable
 npm pack
 
-yarn ci
+yarn
 yarn react-native init-test-app --destination template-example --name TemplateExample --platform $platform
-cp .yarnrc-offline template-example/.yarnrc
 
 pushd template-example 1> /dev/null
 
+echo 'enableTelemetry: false' >> .yarnrc.yml
+echo 'nodeLinker: node-modules' >> .yarnrc.yml
+echo 'npmRegistryServer: "https://registry.npmjs.org"' >> .yarnrc.yml
+echo 'yarnPath: ../.yarn/releases/yarn-3.0.2.cjs' >> .yarnrc.yml
+
 script="s/\"react-native-test-app\": \".*\"/\"react-native-test-app\": \"..\/react-native-test-app-$version.tgz\"/"
 if sed --version &> /dev/null; then
   sed -i'' "$script" package.json
@@ -47,6 +51,7 @@ else
   sed -i '' "$script" package.json
 fi
 
+touch yarn.lock
 if $install; then
-  yarn --prefer-offline
+  yarn --no-immutable
 fi