chore: migrate to Yarn v4

.github/workflows/lint.yml

@@ -5,8 +5,6 @@ on:
     branches:
       - main
   pull_request:
-    branches:
-      - main
 
 permissions:
   contents: read
@@ -22,5 +20,5 @@ jobs:
         node-version: 20.x
     - name: Lint
       run: |
-        npm install
-        npm run lint
+        yarn install --immutable
+        yarn lint

.github/workflows/test.yml

@@ -5,22 +5,20 @@ on:
     branches:
       - main
   pull_request:
-    branches:
-      - main
 
 permissions:
   contents: read
 
 jobs:
   build:
-    runs-on: macOS-latest
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # tag: v4.1.1
     - name: Setup Node.js
       uses: actions/setup-node@b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8  # tag: v4.0.1
       with:
         node-version: 20.x
-    - name: npm install, build, and test
+    - name: Run tests
       run: |
-        npm install
-        npm test
+        yarn install --immutable
+        yarn test

.gitignore

@@ -5,4 +5,5 @@ lib
 .vscode
 .envrc
 coverage
-.DS_Store
+.DS_Store
+.yarn/install-state.gz

.prettierrc.json

@@ -2,7 +2,6 @@
   "trailingComma": "all",
   "tabWidth": 2,
   "singleQuote": true,
-  "printWidth": 100,
-  "parser": "typescript"
+  "printWidth": 100
 }
 

.yarnrc.yml

@@ -0,0 +1,9 @@
+enableScripts: false
+
+nodeLinker: node-modules
+
+npmMinimalAgeGate: 10080
+
+npmPreapprovedPackages: "-'@electron/*'"
+
+yarnPath: .yarn/releases/yarn-4.11.0.cjs