feat: support ESLint 9 (#31)

* feat: support ESLint 9

* add new config

eslint-cjs-to-esm.js

@@ -12,7 +12,7 @@ import path from "node:path";
 const __filename__ = url.fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename__);
 
-const builtinConfig = path.join(__dirname, ".eslintrc.cjs");
+const builtinConfig = path.join(__dirname, "eslint.config.mjs");
 try {
     const args = process.argv.slice(2).map(arg => {
         // if arg is path like string, convert it absolute path
@@ -31,7 +31,7 @@ try {
         ...platformArguments,
         "--config",
         builtinConfig,
-        "--no-eslintrc",
+        "--no-config-lookup",
         "--no-inline-config",
         ...args], {
         env: {

eslint.config.mjs

@@ -0,0 +1,61 @@
+import node from "eslint-plugin-node";
+import _import from "eslint-plugin-import";
+import unicorn from "eslint-plugin-unicorn";
+import fileExtensionInImportTs from "eslint-plugin-file-extension-in-import-ts";
+import { fixupPluginRules } from "@eslint/compat";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+
+export default [{
+    files: ["**/*.ts", "**/*.tsx", "**/*.js", "**/*.jsx"],
+    plugins: {
+        node,
+        import: fixupPluginRules(_import),
+        unicorn,
+        "file-extension-in-import-ts": fileExtensionInImportTs
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.browser
+        },
+        parser: tsParser,
+        ecmaVersion: "latest",
+        sourceType: "module"
+    },
+
+    settings: {
+        "import/resolver": {
+            typescript: true,
+            node: true
+        },
+
+        node: {
+            resolvePaths: ["node_modules/@types"]
+        }
+    },
+
+    rules: {
+        "file-extension-in-import-ts/file-extension-in-import-ts": ["error", "always", {
+            extMapping: {
+                ".ts": ".js"
+            }
+        }],
+
+        "node/no-extraneous-import": "error",
+        "node/no-sync": "warn",
+        "node/file-extension-in-import": "error",
+        "import/extensions": "error",
+
+        "import/no-unresolved": ["error", {
+            ignore: ["\\.js$"]
+        }],
+
+        "import/no-useless-path-segments": "error",
+        "import/no-extraneous-dependencies": "error",
+        "import/no-commonjs": "error",
+        "unicorn/prefer-module": "error",
+        "unicorn/prefer-node-protocol": "error",
+        "unicorn/prefer-top-level-await": "error"
+    }
+}];