migrate eslint config to new format required since 9.0.0

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

eslint.config.js

@@ -0,0 +1,58 @@
+/* eslint-disable @typescript-eslint/no-require-imports */
+const {defineConfig, globalIgnores} = require('eslint/config');
+const {fixupConfigRules, fixupPluginRules} = require('@eslint/compat');
+const typescriptEslint = require('@typescript-eslint/eslint-plugin');
+const jestPlugin = require('eslint-plugin-jest');
+const prettier = require('eslint-plugin-prettier');
+const globals = require('globals');
+const tsParser = require('@typescript-eslint/parser');
+const js = require('@eslint/js');
+const {FlatCompat} = require('@eslint/eslintrc');
+
+// __dirname and __filename exist natively in CommonJS
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all
+});
+
+module.exports = defineConfig([
+  globalIgnores(['dist/**/*', 'coverage/**/*', 'node_modules/**/*']),
+  {
+    // prettier-ignore
+    extends: fixupConfigRules(
+      compat.extends(
+        'eslint:recommended',
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:jest/recommended',
+        'plugin:prettier/recommended'
+      )
+    ),
+
+    plugins: {
+      '@typescript-eslint': fixupPluginRules(typescriptEslint),
+      jest: fixupPluginRules(jestPlugin),
+      prettier: fixupPluginRules(prettier)
+    },
+
+    languageOptions: {
+      globals: {
+        ...globals.node,
+        ...globals.jest
+      },
+      parser: tsParser,
+      ecmaVersion: 'latest',
+      sourceType: 'module'
+    },
+
+    rules: {
+      '@typescript-eslint/no-require-imports': [
+        'error',
+        {
+          allowAsImport: true
+        }
+      ]
+    }
+  }
+]);