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eslint.config.ts

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+import js from '@eslint/js'
+import globals from 'globals'
+import tseslint from 'typescript-eslint'
+import stylistic from '@stylistic/eslint-plugin'
+import { defineConfig } from 'eslint/config'
+
+export default defineConfig([
+  {
+    files: ['**/*.ts'],
+    plugins: { js, stylistic },
+    extends: ['js/recommended'],
+    languageOptions: { globals: globals.node },
+  },
+  tseslint.configs.recommended,
+  tseslint.configs.stylistic,
+  stylistic.configs.customize({
+    indent: 2,
+    quotes: 'single',
+    semi: false,
+    arrowParens: true,
+    braceStyle: '1tbs',
+    // 'linebreakStyle': ['error', 'unix'],
+    // 'keyword-spacing': ['error', { before: true, after: true }],
+  }),
+  {
+    files: ['tests/**/*.test.ts'],
+    rules: {
+      '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+    },
+  },
+])