ci: add prettier and eslint

.github/workflows/lint.yaml

@@ -0,0 +1,31 @@
+name: Lint
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        run: npm run lint
+
+      - name: Run prettier
+        run: npm run fmt:check
+
+      - name: Build project
+        run: npm run build

.prettierignore

@@ -0,0 +1,27 @@
+# Dependencies and build artifacts
+.yarn/
+.pnp.*
+node_modules/
+dist/
+build/
+
+# Public assets
+public/
+index.html
+
+# GitHub workflows
+.github/
+
+# Documentation
+README.md
+
+# Config files
+*.config.js
+*.config.ts
+vite.config.ts
+eslint.config.js
+tsconfig.*
+
+# Lock files
+yarn.lock
+package-lock.json

.prettierrc

@@ -10,6 +10,5 @@
   "bracketSpacing": true,
   "bracketSameLine": false,
   "endOfLine": "auto",
-  "singleAttributePerLine": true,
-  "insertFinalNewline": true
+  "singleAttributePerLine": true
 }

package.json

@@ -7,6 +7,8 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
+    "fmt": "prettier --write .",
+    "fmt:check": "prettier --check .",
     "preview": "vite preview"
   },
   "dependencies": {
@@ -40,6 +42,7 @@
     "eslint-plugin-react-hooks": "^5.1.0",
     "eslint-plugin-react-refresh": "^0.4.19",
     "globals": "^15.15.0",
+    "prettier": "^3.4.2",
     "typescript": "~5.7.2",
     "typescript-eslint": "^8.24.1",
     "vite": "^6.2.0",