[build] Migrating to yarn 2

.eslintrc.js

@@ -1,33 +1,33 @@
 module.exports = {
-    "env": {
-        "browser": true,
-        "es2021": true
-    },
-    "extends": [
-        "next/core-web-vitals",
-        "eslint:recommended",
-        "plugin:react/recommended",
-        "plugin:react-hooks/recommended",
-        "plugin:@next/next/recommended",
-        "next",
-        "prettier"
+  env: {
+    browser: true,
+    es2021: true,
+  },
+  extends: [
+    "next/core-web-vitals",
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "plugin:react-hooks/recommended",
+    "plugin:@next/next/recommended",
+    "next",
+    "prettier",
+  ],
+  parserOptions: {
+    ecmaVersion: "latest",
+    sourceType: "module",
+  },
+  ignorePatterns: ["postcss.config.js"],
+  rules: {
+    "no-redeclare": "off",
+    "@next/next/no-html-link-for-pages": "off",
+    "no-undef": "off",
+    "react/jsx-no-undef": "off",
+    "no-unused-vars": [
+      "error",
+      {
+        varsIgnorePattern: "^_",
+        argsIgnorePattern: "^_",
+      },
     ],
-    "parserOptions": {
-        "ecmaVersion": "latest",
-        "sourceType": "module"
-    },
-    "ignorePatterns": ["postcss.config.js"],
-    "rules": {
-        "no-redeclare": "off",
-        "@next/next/no-html-link-for-pages": "off",
-        "no-undef": "off",
-        "react/jsx-no-undef": "off",
-        "no-unused-vars": [
-            "error",
-            {
-                "varsIgnorePattern": "^_",
-                "argsIgnorePattern": "^_"
-            }
-        ]
-    }
-}
+  },
+};

.github/workflows/main.yml

@@ -9,13 +9,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      # This is a workaround for: https://github.com/actions/setup-node/issues/899
+      - name: Enable Corepack before setting up Node
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
           node-version: 21
-          cache: 'yarn'
-          cache-dependency-path: 'yarn.lock'
+          cache: "yarn"
+          cache-dependency-path: "yarn.lock"
       - name: Install deps
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: Lint
         run: yarn eslint .
       - name: Format

.yarnrc.yml

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

package.json

@@ -22,5 +22,6 @@
     "eslint-config-next": "14.1.0",
     "prettier": "3.2.5",
     "typescript": "^5"
-  }
+  },
+  "packageManager": "yarn@4.1.0"
 }

packages/db/package.json

@@ -5,7 +5,7 @@
   "private": true,
   "main": "index.ts",
   "dependencies": {
-    "prisma": "^5.9.1",
-    "@prisma/client": "^5.9.1"
+    "@prisma/client": "^5.9.1",
+    "prisma": "^5.9.1"
   }
 }