Update to modern version of Yarn

.github/workflows/ci.yml

@@ -22,10 +22,12 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version: "24"
-          cache: yarn
+
+      - name: Install Corepack
+        run: npm install -g corepack
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn --immutable
 
       - name: Run lint
         run: yarn lint
@@ -42,10 +44,12 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version: "24"
-          cache: yarn
+
+      - name: Install Corepack
+        run: npm install -g corepack
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn --immutable
 
       - name: Run tests
         run: yarn test
@@ -62,10 +66,12 @@ jobs:
         uses: actions/setup-node@v6
         with:
           node-version: "24"
-          cache: yarn
+
+      - name: Install Corepack
+        run: npm install -g corepack
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn --immutable
 
       - name: Run build
         run: yarn build

.gitignore

@@ -1,3 +1,34 @@
+# OS
 .DS_Store
-/node_modules
+
+# Cache
+.cache
+.tmp
+.eslintcache
+
+# Yarn
+.pnp.*
+**/.yarn/*
+!**/.yarn/cache
+!**/.yarn/patches
+!**/.yarn/plugins
+!**/.yarn/releases
+!**/.yarn/sdks
+!**/.yarn/versions
+
+# Project-generated directories and files
+coverage
+dist
+node_modules
+playwright-report
+test-results
+package.tgz
+
+# Logs
+logs
+npm-debug.log
+yarn-error.log
+
+# Built files
 /index.js
+

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

CONTRIBUTING.md

@@ -0,0 +1,6 @@
+# Contributing to css-to-react-native
+
+## Prerequisites
+
+- [Node.js](https://nodejs.org) 20.0 or later
+- [Corepack](https://github.com/nodejs/corepack)

package.json

@@ -59,5 +59,6 @@
       "eslint --fix",
       "git add"
     ]
-  }
+  },
+  "packageManager": "yarn@4.13.0"
 }