Add github action to lint and test

.github/workflows/test.yml

@@ -0,0 +1,34 @@
+name: test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Setup Node.js environment
+      uses: actions/setup-node@v4
+      with:
+        # Use the same Node.js version as specified in your .nvmrc file
+        node-version-file: '.nvmrc'
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Run linters
+      run: npm run lint
+
+    - name: Run tests
+      run: npm test

eslint.config.js

@@ -0,0 +1,18 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default [
+  { files: ['**/*.{js,mjs,cjs,ts}'] },
+  {
+    files: ['web-test-runner.config.js', 'web-dev-server.config.js'],
+    languageOptions: { globals: globals.node },
+  },
+  { ignores: ['dist/**'] },
+  { languageOptions: { globals: globals.browser } },
+
+  pluginJs.configs.recommended,
+  ...tseslint.configs.strict,
+  ...tseslint.configs.stylistic,
+  ...tseslint.configs.recommended,
+];