refactor: add eslint

tests/eslint.config.js

@@ -0,0 +1,21 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+
+export default [
+  {
+    files: ["./src/**/*.{js,mjs,cjs,ts}"],
+  },
+  { languageOptions: { globals: globals.node } },
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    rules: {
+      "@typescript-eslint/no-namespace": "off",
+      "@typescript-eslint/no-explicit-any": "off",
+      "@typescript-eslint/no-empty-object-type": "off",
+      "indent": ["error", 2]
+    }
+  }
+];

tests/jest.config.js

@@ -1,5 +1,5 @@
 export default {
-    preset: 'ts-jest',
-    testEnvironment: 'node',
-    maxWorkers: 1
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  maxWorkers: 1
 };