Bump Yarn to v3

.gitattributes

@@ -1,5 +1,8 @@
 * text=auto
 
-# Reviewing the lockfile contents is an important step in verifying that
-# we're using the dependencies we expect to be using
 yarn.lock linguist-generated=false
+
+# yarn v3
+# See: https://yarnpkg.com/getting-started/qa#which-files-should-be-gitignored
+/.yarn/releases/** binary
+/.yarn/plugins/** binary

.github/workflows/lint-test.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: Get Yarn cache directory
-        run: echo "::set-output name=YARN_CACHE_DIR::$(yarn cache dir)"
+        run: echo "::set-output name=YARN_CACHE_DIR::$(yarn config get cacheFolder)"
         id: yarn-cache-dir
       - name: Get Yarn version
         run: echo "::set-output name=YARN_VERSION::$(yarn --version)"
@@ -29,16 +29,14 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir.outputs.YARN_CACHE_DIR }}
           key: yarn-cache-${{ runner.os }}-${{ steps.yarn-version.outputs.YARN_VERSION }}-${{ hashFiles('yarn.lock') }}
-      - run: yarn --frozen-lockfile
-      - run: yarn allow-scripts
-      - run: yarn patch-package
+      - run: yarn --immutable
       - run: yarn lint # "Testing" (i.e. config validation) is also done here
       - name: Validate RC changelog
         if: ${{ startsWith(github.ref, 'release/') }}
-        run: yarn workspaces run auto-changelog validate --rc
+        run: yarn workspaces foreach --exclude root run auto-changelog validate --rc
       - name: Validate changelog
         if: ${{ !startsWith(github.ref, 'release/') }}
-        run: yarn workspaces run auto-changelog validate
+        run: yarn workspaces foreach --exclude root run auto-changelog validate
       - name: Require clean working directory
         shell: bash
         run: |

.gitignore

@@ -68,9 +68,12 @@ node_modules/
 # Stores VSCode versions used for testing VSCode extensions
 .vscode-test
 
-# yarn v2
-.yarn/cache
-.yarn/unplugged
-.yarn/build-state.yml
-.yarn/install-state.gz
+# yarn v3 (w/o zero-install)
+# See: https://yarnpkg.com/getting-started/qa#which-files-should-be-gitignored
 .pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

patches/eslint+8.21.0.patch → .yarn/patches/eslint-npm-8.21.0-b57f835038.patch

@@ -1,7 +1,7 @@
-diff --git a/node_modules/eslint/lib/api.js b/node_modules/eslint/lib/api.js
-index 3dde098..2118593 100644
---- a/node_modules/eslint/lib/api.js
-+++ b/node_modules/eslint/lib/api.js
+diff --git a/lib/api.js b/lib/api.js
+index 3dde0985505a07ed8b64250bb96f470a0b17ace1..2118593ccb1326c25d4d500a9ecdaccc1e00e2e3 100644
+--- a/lib/api.js
++++ b/lib/api.js
 @@ -13,6 +13,7 @@ const { ESLint } = require("./eslint");
  const { Linter } = require("./linter");
  const { RuleTester } = require("./rule-tester");

.yarn/plugins/@yarnpkg/plugin-allow-scripts.cjs

@@ -0,0 +1,9 @@
+/* eslint-disable */
+//prettier-ignore
+module.exports = {
+name: "@yarnpkg/plugin-allow-scripts",
+factory: function (require) {
+var plugin=(()=>{var a=Object.create,l=Object.defineProperty;var i=Object.getOwnPropertyDescriptor;var s=Object.getOwnPropertyNames;var p=Object.getPrototypeOf,c=Object.prototype.hasOwnProperty;var u=e=>l(e,"__esModule",{value:!0});var f=e=>{if(typeof require!="undefined")return require(e);throw new Error('Dynamic require of "'+e+'" is not supported')};var g=(e,o)=>{for(var r in o)l(e,r,{get:o[r],enumerable:!0})},m=(e,o,r)=>{if(o&&typeof o=="object"||typeof o=="function")for(let t of s(o))!c.call(e,t)&&t!=="default"&&l(e,t,{get:()=>o[t],enumerable:!(r=i(o,t))||r.enumerable});return e},x=e=>m(u(l(e!=null?a(p(e)):{},"default",e&&e.__esModule&&"default"in e?{get:()=>e.default,enumerable:!0}:{value:e,enumerable:!0})),e);var k={};g(k,{default:()=>d});var n=x(f("@yarnpkg/shell")),y={hooks:{afterAllInstalled:async()=>{let e=await(0,n.execute)("yarn run allow-scripts");e!==0&&process.exit(e)}}},d=y;return k;})();
+return plugin;
+}
+};

.yarnrc.yml

@@ -0,0 +1,17 @@
+enableScripts: false
+
+enableTelemetry: 0
+
+logFilters:
+  - code: YN0004
+    level: discard
+
+nodeLinker: node-modules
+
+plugins:
+  - path: .yarn/plugins/@yarnpkg/plugin-allow-scripts.cjs
+    spec: 'https://raw.githubusercontent.com/LavaMoat/LavaMoat/main/packages/yarn-plugin-allow-scripts/bundles/@yarnpkg/plugin-allow-scripts.js'
+  - path: .yarn/plugins/@yarnpkg/plugin-workspace-tools.cjs
+    spec: '@yarnpkg/plugin-workspace-tools'
+
+yarnPath: .yarn/releases/yarn-3.2.4.cjs

package.json

@@ -6,7 +6,6 @@
     "node": ">=14.0.0"
   },
   "scripts": {
-    "setup": "yarn install && yarn allow-scripts && yarn patch-package",
     "lint:eslint": "yarn eslint . --ext ts,js",
     "lint:config-validation": "node ./scripts/validate-configs.js",
     "lint:misc": "prettier '**/*.json' '!**/rules-snapshot.json' '**/*.md' '!**/CHANGELOG.md' '**/*.yml' --ignore-path .gitignore",
@@ -30,12 +29,15 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.2.1",
     "fast-deep-equal": "^3.1.3",
-    "patch-package": "^6.4.7",
     "prettier": "^2.2.1"
   },
   "lavamoat": {
     "allowScripts": {
       "@lavamoat/preinstall-always-fail": false
     }
+  },
+  "packageManager": "yarn@3.2.4",
+  "resolutions": {
+    "eslint@^8.21.0": "patch:eslint@npm%3A8.21.0#./.yarn/patches/eslint-npm-8.21.0-b57f835038.patch"
   }
 }