Update to yarn berry

.github/dependabot.yml

@@ -16,3 +16,23 @@ updates:
     ignore:
       - dependency-name: "peek-readable"
         versions: ["4.x"]
+    groups:
+      eslint:
+        dependency-type: "development"
+        patterns:
+          - "eslint"
+          - "@eslint/compat"
+          - "@eslint/eslintrc"
+          - "@eslint/js"
+          - "eslint-config-prettier"
+          - "eslint-import-resolver-typescript"
+          - "eslint-plugin-*"
+          - "@typescript-eslint/*"
+      remark:
+        dependency-type: "development"
+        patterns:
+          - "remark*"
+      types:
+        dependency-type: "development"
+        patterns:
+          - "@types/*"

.github/workflows/nodejs-ci.yml

@@ -2,6 +2,8 @@ name: Node.js CI
 on:
   pull_request:
     branches: [ "master" ]
+  push:
+    branches: [ "master" ]
 
 jobs:
 
@@ -15,13 +17,13 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 22.x
+          node-version: 20.x
 
-      - name: Install production dependencies, check node engine compatiblity
-        run: yarn install --production=true
+      - name: Enable Corepack
+        run: corepack enable
 
-      - name: Install development dependencies
-        run: yarn install --production=false --ignore-engines
+      - name: Install dependencies
+        run: yarn install
 
       - name: Build & Code analysis
         run: yarn run lint
@@ -45,6 +47,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
 
+    env:
+      YARN_IGNORE_NODE: 1
+
     strategy:
       matrix:
         node-version: [16.x, 18.x, 20.x, 22.x]
@@ -59,8 +64,11 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
+      - name: Enable Corepack
+        run: corepack enable
+
       - name: Install dependencies
-        run: yarn install --ignore-engines
+        run: yarn install
 
       - name: Download build
         uses: actions/download-artifact@v4

.gitignore

@@ -1,11 +1,25 @@
-*.iml
+# Node module
 node_modules
+
+#IntelliJ IDEA:
+.idea
+*.iml
+
+# Yarn:
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+# Project
 lib/**/*.js
 lib/**/*.js.map
 lib/**/*.d.ts
 test/**/*.js
 test/**/*.js.map
 test/**/*.d.ts
 test/resources/tmp.dat
-coverage
-.idea
+coverage

.yarnrc.yml

@@ -0,0 +1,3 @@
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-4.3.1.cjs

package.json

@@ -91,5 +91,6 @@
     "uint",
     "stream",
     "streaming"
-  ]
+  ],
+  "packageManager": "yarn@4.3.1"
 }