chore: Add eslint

.github/workflows/ci.yaml

@@ -0,0 +1,36 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set NodeJS
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.12.0'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run build
+  eslint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set NodeJS
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.12.0'
+          cache: 'npm'
+      - run: npm ci
+      - name: Run ESLint
+        run: npx eslint

eslint.config.mjs

@@ -0,0 +1,10 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  tseslint.configs.strict,
+  tseslint.configs.stylistic,
+);