build: upgrade yarn to 4.0.1

.github/workflows/e2e-test.yml

@@ -24,8 +24,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        node: ['18', '20']
         java: ['11', '17']
-        node: ['16', '18']
         runtime: ['springboot', 'quarkus']
         browser: ['firefox'] # 'chrome' tests are unstable: https://github.com/hawtio/hawtio-next/issues/478
     env:

.github/workflows/lint.yml

@@ -21,8 +21,8 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 16
-      - name: Enable Yarn v3
+          node-version: 18
+      - name: Enable Yarn v4
         run: |
           corepack enable
           yarn -v

.github/workflows/test.yml

@@ -18,15 +18,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['16', '18']
+        node: ['18', '20']
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-      - name: Enable yarn v3
+      - name: Enable yarn v4
         run: |
           corepack enable
           yarn -v

.yarnrc.yml

@@ -1,7 +1,7 @@
-nodeLinker: node-modules
+compressionLevel: mixed
+
+enableGlobalCache: false
 
-plugins:
-  - path: .yarn/plugins/@yarnpkg/plugin-workspace-tools.cjs
-    spec: '@yarnpkg/plugin-workspace-tools'
+nodeLinker: node-modules
 
-yarnPath: .yarn/releases/yarn-3.4.1.cjs
+yarnPath: .yarn/releases/yarn-4.0.1.cjs

package.json

@@ -16,12 +16,12 @@
     "start": "concurrently -n hawtio,app \"yarn build:hawtio:watch\" \"yarn start:app\"",
     "start:app": "yarn workspace app start",
     "build": "yarn build:hawtio",
-    "build:all": "yarn workspaces foreach -v -i -pt --exclude @hawtio/next-root run build",
+    "build:all": "yarn workspaces foreach -v -Aipt --exclude @hawtio/next-root run build",
     "build:app": "yarn workspace app build",
     "build:hawtio": "yarn workspace @hawtio/react build",
     "build:hawtio:watch": "yarn workspace @hawtio/react build:watch",
     "test": "yarn test:hawtio",
-    "test:all": "yarn workspaces foreach -v -i -pt --exclude @hawtio/next-root run test",
+    "test:all": "yarn workspaces foreach -v -Aipt --exclude @hawtio/next-root run test",
     "test:hawtio": "yarn workspace @hawtio/react test",
     "test:hawtio:watch": "yarn workspace @hawtio/react test:watch",
     "lint": "yarn eslint packages/hawtio/src/ packages/hawtio/scripts/ app/src/",
@@ -48,8 +48,8 @@
       "path": "cz-conventional-changelog"
     }
   },
-  "packageManager": "yarn@3.4.1",
+  "packageManager": "yarn@4.0.1",
   "engines": {
-    "yarn": ">=3.4.1"
+    "yarn": ">=4"
   }
 }