build: Update ESLint to v9 (#16639)

packages/@n8n/utils/.eslintrc.cjs

@@ -1,10 +0,0 @@
-const sharedOptions = require('@n8n/eslint-config/shared');
-
-/**
- * @type {import('@types/eslint').ESLint.ConfigData}
- */
-module.exports = {
-	extends: ['@n8n/eslint-config/node'],
-
-	...sharedOptions(__dirname),
-};

packages/@n8n/utils/eslint.config.mjs

@@ -0,0 +1,10 @@
+import { defineConfig } from 'eslint/config';
+import { nodeConfig } from '@n8n/eslint-config/node';
+
+export default defineConfig(nodeConfig, {
+	rules: {
+		// TODO: Remove this
+		'no-prototype-builtins': 'warn',
+		'@typescript-eslint/require-await': 'warn',
+	},
+});

packages/@n8n/utils/package.json

@@ -24,8 +24,8 @@
     "typecheck": "tsc --noEmit",
     "test": "vitest run",
     "test:dev": "vitest --silent=false",
-    "lint": "eslint src --ext .js,.ts,.vue --quiet",
-    "lintfix": "eslint src --ext .js,.ts,.vue --fix",
+    "lint": "eslint src --quiet",
+    "lintfix": "eslint src --fix",
     "format": "biome format --write . && prettier --write . --ignore-path ../../../.prettierignore",
     "format:check": "biome ci . && prettier --check . --ignore-path ../../../.prettierignore"
   },
@@ -36,9 +36,9 @@
     "@testing-library/jest-dom": "catalog:frontend",
     "@testing-library/user-event": "catalog:frontend",
     "tsup": "catalog:",
-    "typescript": "catalog:frontend",
-    "vite": "catalog:frontend",
-    "vitest": "catalog:frontend"
+    "typescript": "catalog:",
+    "vite": "catalog:",
+    "vitest": "catalog:"
   },
   "license": "See LICENSE.md file in the root of the repository"
 }

packages/@n8n/utils/src/event-bus.ts

@@ -1,5 +1,5 @@
-// eslint-disable-next-line @typescript-eslint/ban-types
-export type CallbackFn = Function;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type CallbackFn = (...args: any[]) => any;
 
 type Payloads<ListenerMap> = {
 	[E in keyof ListenerMap]: unknown;

packages/@n8n/utils/src/search/sublimeSearch.ts

@@ -221,7 +221,7 @@ function getValue<T extends object>(obj: T, prop: string): unknown {
 
 export function sublimeSearch<T extends object>(
 	filter: string,
-	data: Readonly<T[]>,
+	data: readonly T[],
 	keys: Array<{ key: string; weight: number }> = DEFAULT_KEYS,
 ): Array<{ score: number; item: T }> {
 	const results = data.reduce((accu: Array<{ score: number; item: T }>, item: T) => {