Sync with main

.github/workflows/check.yml

@@ -0,0 +1,27 @@
+name: Check
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint-typecheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+          cache-dependency-path: app/package-lock.json
+      - run: npm ci
+        working-directory: app
+        env:
+          # react-devtools pulls in electron; its binary isn't needed here
+          ELECTRON_SKIP_BINARY_DOWNLOAD: '1'
+      - run: npm run lint
+        working-directory: app
+      - run: npm run typecheck
+        working-directory: app

app/eslint.config.js

@@ -0,0 +1,20 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  { ignores: ['dist', 'src-tauri', 'node_modules'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+    },
+    rules: reactHooks.configs.recommended.rules,
+  },
+)