Upgrade to Yarn 4

.codesandbox/ci.json

@@ -1,6 +1,6 @@
 {
   "sandboxes": ["vanilla", "vanilla-ts"],
-  "node": "14",
+  "node": "18",
   "buildCommand": "build",
   "packages": ["."]
 }

.github/workflows/test.yml

@@ -12,14 +12,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['16.x']
+        node: ['20.x']
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use Node ${{ matrix.node }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           cache: 'yarn'
@@ -43,7 +43,7 @@ jobs:
       - name: Pack
         run: yarn pack
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: package
           path: ./package.tgz
@@ -56,15 +56,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['16.x']
+        node: ['20.x']
         ts: ['4.7', '4.8', '4.9', '5.0', '5.1', '5.2']
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use node ${{ matrix.node }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           cache: 'yarn'
@@ -88,14 +88,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['16.x']
+        node: ['20.x']
         example: ['cra4', 'cra5', 'next', 'vite', 'node-standard', 'node-esm']
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use node ${{ matrix.node }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           cache: 'yarn'
@@ -108,9 +108,11 @@ jobs:
 
       - name: Install deps
         working-directory: ./redux-toolkit/examples/publish-ci/${{ matrix.example }}
+        env:
+          YARN_ENABLE_IMMUTABLE_INSTALLS: false
         run: yarn install
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: package
           path: ./redux-toolkit/examples/publish-ci/${{ matrix.example }}
@@ -129,6 +131,8 @@ jobs:
 
       - name: Build example
         working-directory: ./redux-toolkit/examples/publish-ci/${{ matrix.example }}
+        env:
+          NODE_OPTIONS: --openssl-legacy-provider
         run: yarn build
 
       - name: Run test step
@@ -143,12 +147,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['16.x']
+        node: ['20.x']
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: package
           path: .

.yarnrc.yml

@@ -1,3 +1,7 @@
+compressionLevel: mixed
+
+enableGlobalCache: false
+
 nodeLinker: node-modules
 
-yarnPath: .yarn/releases/yarn-3.2.4.cjs
+yarnPath: .yarn/releases/yarn-4.1.0.cjs

package.json

@@ -58,5 +58,6 @@
     "tsup": "7.0.0",
     "typescript": "^5.0",
     "vitest": "^0.32.0"
-  }
+  },
+  "packageManager": "[email protected]"
 }