build: Update ESLint to v9 (#16639)

packages/@n8n/decorators/.eslintrc.js

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

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

@@ -0,0 +1,28 @@
+import { defineConfig } from 'eslint/config';
+import { baseConfig } from '@n8n/eslint-config/base';
+
+export default defineConfig(
+	baseConfig,
+	{
+		rules: {
+			'unicorn/filename-case': ['error', { case: 'kebabCase' }],
+
+			// TODO: Remove this
+			'@typescript-eslint/require-await': 'warn',
+			'@typescript-eslint/no-unsafe-call': 'warn',
+			'@typescript-eslint/naming-convention': 'warn',
+			'@typescript-eslint/no-base-to-string': 'warn',
+			'@typescript-eslint/no-unsafe-function-type': 'warn',
+			'import-x/export': 'warn',
+		},
+	},
+	{
+		files: ['**/*.test.ts'],
+		rules: {
+			'@typescript-eslint/no-unused-expressions': 'warn',
+			'@typescript-eslint/no-unsafe-assignment': 'warn',
+			'@typescript-eslint/unbound-method': 'warn',
+			'import-x/no-duplicates': 'warn',
+		},
+	},
+);

packages/@n8n/decorators/package.json

@@ -8,7 +8,7 @@
     "build": "tsc -p tsconfig.build.json",
     "format": "biome format --write .",
     "format:check": "biome ci .",
-    "lint": "eslint .",
+    "lint": "eslint . --quiet",
     "lintfix": "eslint . --fix",
     "watch": "tsc -p tsconfig.build.json --watch",
     "test": "jest",

packages/@n8n/decorators/src/redactable.ts

@@ -43,7 +43,7 @@ type FieldName = 'user' | 'inviter' | 'invitee';
 export const Redactable =
 	(fieldName: FieldName = 'user'): MethodDecorator =>
 	(_target, _propertyName, propertyDescriptor: PropertyDescriptor) => {
-		// eslint-disable-next-line @typescript-eslint/ban-types
+		// eslint-disable-next-line @typescript-eslint/no-restricted-types
 		const originalMethod = propertyDescriptor.value as Function;
 
 		type MethodArgs = Array<{ [fieldName: string]: UserLike }>;