chore: finish migrating eslint config files; bump unicorn (#17200)

cli/eslint.config.mjs

@@ -1,39 +1,29 @@
-import { FlatCompat } from '@eslint/eslintrc';
 import js from '@eslint/js';
-import typescriptEslint from '@typescript-eslint/eslint-plugin';
-import tsParser from '@typescript-eslint/parser';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+import eslintPluginUnicorn from 'eslint-plugin-unicorn';
 import globals from 'globals';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
+import typescriptEslint from 'typescript-eslint';
 
 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,
-});
 
-export default [
+export default typescriptEslint.config([
+  eslintPluginUnicorn.configs.recommended,
+  eslintPluginPrettierRecommended,
+  js.configs.recommended,
+  typescriptEslint.configs.recommended,
   {
     ignores: ['eslint.config.mjs', 'dist'],
   },
-  ...compat.extends(
-    'plugin:@typescript-eslint/recommended',
-    'plugin:prettier/recommended',
-    'plugin:unicorn/recommended',
-  ),
   {
-    plugins: {
-      '@typescript-eslint': typescriptEslint,
-    },
-
     languageOptions: {
       globals: {
         ...globals.node,
       },
 
-      parser: tsParser,
+      parser: typescriptEslint.parser,
       ecmaVersion: 5,
       sourceType: 'module',
 
@@ -58,4 +48,4 @@ export default [
       'object-shorthand': ['error', 'always'],
     },
   },
-];
+]);

cli/package.json

@@ -22,8 +22,6 @@
     "@types/micromatch": "^4.0.9",
     "@types/mock-fs": "^4.13.1",
     "@types/node": "^22.13.10",
-    "@typescript-eslint/eslint-plugin": "^8.15.0",
-    "@typescript-eslint/parser": "^8.15.0",
     "@vitest/coverage-v8": "^3.0.0",
     "byte-size": "^9.0.0",
     "cli-progress": "^3.12.0",
@@ -31,12 +29,13 @@
     "eslint": "^9.14.0",
     "eslint-config-prettier": "^10.0.0",
     "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-unicorn": "^56.0.1",
+    "eslint-plugin-unicorn": "^57.0.0",
     "globals": "^16.0.0",
     "mock-fs": "^5.2.0",
     "prettier": "^3.2.5",
     "prettier-plugin-organize-imports": "^4.0.0",
     "typescript": "^5.3.3",
+    "typescript-eslint": "^8.28.0",
     "vite": "^6.0.0",
     "vite-tsconfig-paths": "^5.0.0",
     "vitest": "^3.0.0",