eslint move to flatconfig, remove run-script-os since unused

eslint.config.mjs

@@ -1,57 +1,41 @@
-import typescriptEslint from '@typescript-eslint/eslint-plugin'
-import stylistic from '@stylistic/eslint-plugin'
-import globals from 'globals'
-import tsParser from '@typescript-eslint/parser'
-import path from 'node:path'
-import { fileURLToPath } from 'node:url'
 import js from '@eslint/js'
-import { FlatCompat } from '@eslint/eslintrc'
-
-const __filename = fileURLToPath(import.meta.url)
-const __dirname = path.dirname(__filename)
-const compat = new FlatCompat({
-  baseDirectory: __dirname,
-  recommendedConfig: js.configs.recommended,
-  allConfig: js.configs.all
-})
+import globals from 'globals'
+import tseslint from 'typescript-eslint'
+import stylistic from '@stylistic/eslint-plugin'
+import prettier from 'eslint-config-prettier'
 
 export default [
-  ...compat.extends('eslint:recommended', 'plugin:@typescript-eslint/strict', 'plugin:@typescript-eslint/stylistic', 'prettier'),
   {
-    plugins: {
-      '@typescript-eslint': typescriptEslint,
-      '@stylistic': stylistic
-    },
+    ignores: ['tests/__data__/']
+  },
 
+  js.configs.recommended,
+  ...tseslint.configs.strict,
+  ...tseslint.configs.stylistic,
+  prettier,
+
+  {
+    files: ['**/*.{js,mjs,cjs,ts}'],
     languageOptions: {
+      parser: tseslint.parser,
+      ecmaVersion: 'latest',
+      sourceType: 'module',
       globals: {
         ...globals.node,
         ...globals.jest
-      },
-
-      parser: tsParser,
-      ecmaVersion: 'latest',
-      sourceType: 'module'
+      }
+    },
+    plugins: {
+      '@typescript-eslint': tseslint.plugin,
+      '@stylistic': stylistic
     },
-
     rules: {
       '@typescript-eslint/no-require-imports': 'off',
       '@typescript-eslint/no-var-requires': 'off',
       'no-case-declarations': 'off',
       '@stylistic/linebreak-style': ['error', 'windows'],
-
-      quotes: [
-        'error',
-        'single',
-        {
-          avoidEscape: true
-        }
-      ],
-
+      quotes: ['error', 'single', { avoidEscape: true }],
       semi: ['error', 'never']
     }
-  },
-  {
-    ignores: ['tests/__data__/']
   }
 ]