upgrade deprecated packages for test and eslint

Author: xr0master

.eslintrc.js

@@ -0,0 +1,22 @@
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import stylistic from '@stylistic/eslint-plugin';
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommendedTypeChecked,
+  {
+    languageOptions: {
+      parserOptions: {
+        projectService: true,
+        project: './tsconfig.json',
+      },
+    },
+    plugins: {
+      '@stylistic': stylistic,
+    },
+    rules: {
+      '@typescript-eslint/no-non-null-assertion': 'off',
+    },
+  },
+);