Chore-update-yarn

.eslintrc.json

@@ -1,4 +1,5 @@
 {
+  "root": true,
   "env": {
     "browser": true,
     "es6": true,

.github/workflows/test.yml

@@ -25,16 +25,19 @@ jobs:
         with:
           node-version: 22
 
+      - name: Enable Corepack (for Yarn 4)
+        run: corepack enable
+
       - name: Cache node_modules and Yarn cache
         uses: actions/cache@v4
         with:
           path: |
             **/node_modules
-            .yarn/cache
+            ~/.yarn/berry/cache
           key: >
-            ${{ runner.os }}-node22-react-${{ matrix.react-version }}-${{ hashFiles('**/yarn.lock') }}
+            ${{ runner.os }}-yarn4-node22-react-${{ matrix.react-version }}-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
-            ${{ runner.os }}-node22-react-${{ matrix.react-version }}-
+            ${{ runner.os }}-yarn4-node22-react-${{ matrix.react-version }}-
 
       - name: Install deps and build (with cache)
         uses: bahmutov/npm-install@v1
@@ -43,7 +46,7 @@ jobs:
 
       - name: Override React version (${{ matrix.react-version }})
         run: |
-          yarn add @types/react@${{ matrix.react-version }} react@${{ matrix.react-version }} @types/react-dom@${{ matrix.react-version }} react-dom@${{ matrix.react-version }} --dev -W
+          yarn add @types/react@${{ matrix.react-version }} react@${{ matrix.react-version }} @types/react-dom@${{ matrix.react-version }} react-dom@${{ matrix.react-version }} -D
 
       - name: Build
         run: yarn run build

.gitignore

@@ -16,3 +16,13 @@ coverage/
 yarn-error.log
 .size-snapshot.json
 __tests__/__image_snapshots__/__diff_output__
+
+# Yarn 4 (Berry) - using nodeLinker: node-modules
+# We commit .yarn/releases for version pinning via packageManager field
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+.pnp.*

.yarnrc.yml

@@ -0,0 +1,15 @@
+enableHardenedMode: false
+
+httpTimeout: 60000
+
+logFilters:
+  - code: YN0002
+    level: discard
+  - code: YN0060
+    level: discard
+  - code: YN0006
+    level: discard
+
+networkConcurrency: 16
+
+nodeLinker: node-modules