build: Upgrade Yarn Classic to Yarn Berry (#752)

Author: keeganwitt

.github/workflows/ci.yaml

@@ -24,7 +24,12 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: yarn
+      - uses: threeal/[email protected]
+        with:
+          version: berry
+          cache: true
+      - name: install
+        run: yarn install --immutable
       - name: install with jest@${{ matrix.jest-version }}
         run: yarn add --dev jest@${{ matrix.jest-version }} ts-jest@${{ matrix.jest-version }} @types/jest@${{ matrix.jest-version }}
       - run: yarn test:coverage
@@ -38,14 +43,16 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     runs-on: ${{ matrix.os }}
-
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: lts/*
-          cache: yarn
-      - run: yarn install
+      - uses: threeal/[email protected]
+        with:
+          version: berry
+          cache: true
+      - run: yarn install --immutable
       - run: yarn test:coverage
       - uses: codecov/codecov-action@v5
         if: ${{ always() }}
@@ -58,8 +65,11 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: lts/*
-          cache: yarn
-      - run: yarn install
+      - uses: threeal/[email protected]
+        with:
+          version: berry
+          cache: true
+      - run: yarn install --immutable
       - run: yarn build
       - run: yarn lint
       - run: yarn typecheck
@@ -85,10 +95,14 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: lts/*
-          cache: yarn
 
-      - name: Install Dependencies
-        run: yarn
+      - uses: threeal/[email protected]
+        with:
+          version: berry
+          cache: true
+
+      - name: install
+        run: yarn install --immutable
 
       - name: Create Release Pull Request or Publish to npm
         id: changesets

.gitignore

@@ -9,3 +9,4 @@ coverage
 .vscode
 package-lock.json
 *tsbuildinfo
+/.yarn/install-state.gz

.yarnrc.yml

@@ -0,0 +1,21 @@
+cacheFolder: .yarn/cache
+
+enableGlobalCache: true
+
+nodeLinker: node-modules
+
+packageExtensions:
+  "@typescript-eslint/project-service@*":
+    dependencies:
+      typescript: "*"
+  "@typescript-eslint/tsconfig-utils@*":
+    peerDependencies:
+      typescript: "*"
+  "@typescript-eslint/utils@*":
+    peerDependencies:
+      typescript: "*"
+  eslint-plugin-jest@*:
+    peerDependencies:
+      typescript: "*"
+
+pnpMode: loose

package.json

@@ -11,8 +11,7 @@
   ],
   "scripts": {
     "clean": "node clean.js",
-    "prebuild": "yarn clean",
-    "build": "tsc && tsc-alias",
+    "build": "yarn clean && tsc && tsc-alias",
     "lint": "eslint .",
     "lint:fix": "yarn lint --fix",
     "prepare": "husky",
@@ -128,12 +127,16 @@
     "trailingComma": "all"
   },
   "peerDependencies": {
-    "jest": ">=27.2.5"
+    "jest": ">=27.2.5",
+    "typescript": ">=5.0.0"
   },
   "peerDependenciesMeta": {
     "jest": {
       "optional": true
+    },
+    "typescript": {
+      "optional": false
     }
   },
-  "packageManager": "yarn@1.22.22"
+  "packageManager": "yarn@4.9.2"
 }