Linting & TypeCheck

.github/workflows/ci.yml

@@ -24,6 +24,14 @@ jobs:
         working-directory: ./src
         run: npm install --no-audit --no-fund
 
+      - name: Run linting
+        working-directory: ./src
+        run: npm run lint
+
+      - name: Run type check
+        working-directory: ./src
+        run: npm run type-check
+
       - name: Run test suite
         working-directory: ./src
         run: npm test

src/eslint.config.mjs

@@ -0,0 +1,33 @@
+import js from "@eslint/js";
+import globals from "globals";
+
+export default [
+  js.configs.recommended,
+  {
+    files: ["**/*.js"],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: "commonjs",
+      globals: {
+        ...globals.node,
+        ...globals.es2022,
+      },
+    },
+    rules: {
+      "no-var": "error",
+      "prefer-const": "warn",
+      "eqeqeq": ["error", "always"],
+      "no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
+      "no-console": "off",
+      "no-undef": "error",
+    },
+  },
+  {
+    files: ["test/**/*.js"],
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+    },
+  },
+];