Add Biome config, lint script and lint CI job

.github/workflows/ci.yml

@@ -30,6 +30,23 @@ jobs:
       - name: Test packages
         run: pnpm -r test:coverage
 
+  lint:
+    name: Lint code
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v3
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: 'pnpm'
+      - run: pnpm i
+      - name: Generate types
+        working-directory: ./docs
+        run: pnpm astro sync
+      - name: Run linter
+        run: pnpm lint
+
   pa11y:
     name: Check for accessibility issues
     runs-on: ubuntu-20.04

biome.json

@@ -0,0 +1,33 @@
+{
+	"$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+	"formatter": {
+		"enabled": false
+	},
+	"linter": {
+		"rules": {
+			"complexity": {
+				"useLiteralKeys": "off",
+				"noForEach": "off"
+			},
+			"performance": {
+				"noDelete": "off"
+			},
+			"style": {
+				"noParameterAssign": "off",
+				"noUnusedTemplateLiteral": "off",
+				"noUselessElse": "off",
+				"useTemplate": "off"
+			},
+			"suspicious": {
+				"useAwait": "error"
+			}
+		}
+	},
+	"files": {
+		"ignore": [
+			"**/.astro/types.d.ts",
+			"**/__tests__/i18n/malformed-src/**",
+			"**/dist/**"
+		]
+	}
+}

package.json

@@ -5,12 +5,14 @@
   "description": "",
   "scripts": {
     "build:examples": "pnpm --no-bail --workspace-concurrency 1 --filter '@example/*' build",
+    "lint": "biome lint . --error-on-warnings --max-diagnostics=500",
     "size": "size-limit",
     "version": "pnpm changeset version && pnpm i --no-frozen-lockfile",
     "format": "prettier -w --cache --plugin prettier-plugin-astro ."
   },
   "license": "MIT",
   "devDependencies": {
+    "@biomejs/biome": "^1.6.1",
     "@changesets/changelog-github": "^0.4.8",
     "@changesets/cli": "^2.26.1",
     "@size-limit/file": "^8.2.4",