Bump eslint from 8.57.1 to 9.26.0 in the npm_and_yarn group across 1 directory

eslint.config.mjs

@@ -0,0 +1,70 @@
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import jestPlugin from 'eslint-plugin-jest';
+import prettierPlugin from 'eslint-plugin-prettier';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import globals from 'globals';
+
+export default tseslint.config(
+  {
+    ignores: ['dist', 'node_modules', '**/generated', 'jest-html-reporters-attach', 'coverage']
+  },
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  ...tseslint.configs.recommendedTypeChecked,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: './tsconfig.eslint.json',
+        tsconfigRootDir: import.meta.dirname
+      },
+      globals: {
+        ...globals.node,
+        ...globals.jest
+      }
+    },
+    plugins: {
+      prettier: prettierPlugin,
+      jest: jestPlugin
+    },
+    rules: {
+      '@typescript-eslint/no-var-requires': 'off',
+      '@typescript-eslint/semi': 'warn',
+      '@typescript-eslint/quotes': ['error', 'single'],
+      '@typescript-eslint/no-floating-promises': 'error',
+      'no-return-await': 'error',
+
+      'prettier/prettier': [
+        'warn',
+        {
+          printWidth: 120,
+          tabWidth: 2,
+          tabs: false,
+          semi: true,
+          singleQuote: true,
+          quoteProps: 'as-needed',
+          trailingComma: 'none',
+          bracketSpacing: true,
+          arrowParens: 'avoid'
+        }
+      ]
+    }
+  },
+  {
+    files: ['test/**/*.spec.ts', 'test/**/*.ts'],
+    ...jestPlugin.configs['flat/recommended'],
+    rules: {
+      ...jestPlugin.configs['flat/recommended'].rules,
+      'jest/no-disabled-tests': 'warn',
+      'jest/no-focused-tests': 'error',
+      'jest/no-identical-title': 'error',
+      'jest/prefer-to-have-length': 'warn',
+      'jest/valid-expect': 'error'
+    }
+  },
+  {
+    files: ['**/*.js', '**/*.mjs'],
+    ...tseslint.configs.disableTypeChecked
+  },
+  eslintConfigPrettier
+);

index.ts

@@ -26,7 +26,10 @@ interface TraversalState<T> {
 type DAGVisitor<T, C> = (node: T, state: TraversalState<T>, context: C) => void;
 
 class Node<T extends Identifiable> {
-  constructor(readonly data: T, readonly dependencies = new Set<string>()) {}
+  constructor(
+    readonly data: T,
+    readonly dependencies = new Set<string>()
+  ) {}
 
   get id(): string {
     return this.data.id;

package.json

@@ -21,31 +21,30 @@
     "clean": "rm -rf ./dist",
     "build": "tsc",
     "test": "DEBUG='error:*' jest --coverage && pnpm lint",
-    "lint": "eslint --fix --ext .js,.ts .",
+    "lint": "eslint --fix .",
     "prepare": "pnpm run build"
   },
   "devDependencies": {
+    "@eslint/js": "^9.39.2",
     "@types/jest": "^27.0.2",
     "@types/node": "^24.0.0",
     "@types/uuid": "^8.3.4",
-    "@typescript-eslint/eslint-plugin": "^5.59.0",
-    "@typescript-eslint/parser": "^5.59.0",
-    "eslint": "^8.38.0",
-    "eslint-config-prettier": "^8.5.0",
-    "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-jest": "^26.1.4",
-    "eslint-plugin-no-floating-promise": "^1.0.2",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^4.0.0",
-    "eslint-plugin-unused-imports": "^2.0.0",
+    "@typescript-eslint/eslint-plugin": "^8.54.0",
+    "@typescript-eslint/parser": "^8.54.0",
+    "eslint": "^9.26.0",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-jest": "^29.12.1",
+    "eslint-plugin-prettier": "^5.5.5",
+    "globals": "^17.2.0",
     "jest": "^27.5.1",
     "jest-extended": "^2.0.0",
     "jest-html-reporters": "^3.0.6",
     "jest-summary-reporter": "^0.0.2",
-    "prettier": "^2.6.2",
+    "prettier": "^3.8.1",
     "ts-jest": "^27.1.4",
     "ts-node": "^10.7.0",
     "typescript": "^4.9.5",
+    "typescript-eslint": "^8.54.0",
     "uuid": "^8.3.2"
   },
   "packageManager": "pnpm@10.28.0",