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packages/testing/playwright/janitor.config.mjs

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+/**
+ * n8n Playwright Janitor Configuration
+ *
+ * This configures the janitor for the n8n Playwright test suite.
+ */
+import { dirname } from 'path';
+import { fileURLToPath } from 'url';
+import { defineConfig } from '@n8n/playwright-janitor';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+export default defineConfig({
+	rootDir: __dirname,
+
+	patterns: {
+		pages: ['pages/**/*.ts'],
+		components: ['pages/components/**/*.ts'],
+		flows: ['composables/**/*.ts'],
+		tests: ['tests/**/*.spec.ts'],
+		services: ['services/**/*.ts'],
+		fixtures: ['fixtures/**/*.ts'],
+		helpers: [
+			'helpers/**/*.ts',
+			'utils/**/*.ts',
+			'config/**/*.ts',
+			'tests/**/fixtures.ts',
+		],
+		factories: ['test-data/**/*.ts', 'factories/**/*.ts'],
+		testData: ['workflows/**/*'],
+	},
+
+	excludeFromPages: [
+		'n8nPage.ts', // Facade
+		'BasePage.ts', // Base class
+		'BaseModal.ts',
+		'BaseComponent.ts',
+	],
+
+	facade: {
+		file: 'pages/n8nPage.ts',
+		className: 'n8nPage',
+		excludeTypes: ['Page', 'ApiHelpers'],
+	},
+
+	fixtureObjectName: 'n8n',
+
+	apiFixtureName: 'api',
+
+	rawApiPatterns: [
+		/\brequest\.(get|post|put|patch|delete|head)\s*\(/i,
+		/\bfetch\s*\(/,
+		/\.request\(\s*['"`]/,
+	],
+
+	flowLayerName: 'Composable',
+
+	architectureLayers: ['Tests', 'Composables', 'Pages', 'BasePage'],
+
+	rules: {
+		'boundary-protection': { enabled: true, severity: 'error' },
+		'scope-lockdown': { enabled: true, severity: 'error' },
+		'selector-purity': { enabled: true, severity: 'error' },
+		deduplication: { enabled: true, severity: 'warning' },
+		'dead-code': { enabled: true, severity: 'warning' },
+		'no-page-in-flow': {
+			enabled: true,
+			severity: 'warning',
+			allowPatterns: [
+				/\.page\.keyboard/,
+				/\.page\.evaluate/,
+				/\.page\.waitForLoadState/,
+				/\.page\.waitForURL/,
+				/\.page\.reload/,
+			],
+		},
+		'api-purity': { enabled: true, severity: 'warning' },
+		// Enforce facade pattern - access pages through n8n.* instead of new *Page()
+		'no-direct-page-instantiation': { enabled: true, severity: 'error' },
+	},
+
+	orchestration: {
+		metricsPath: '../../../.github/test-metrics/playwright.json',
+		specFilter: 'tests/e2e/',
+	},
+
+	tcr: {
+		testCommand: 'pnpm test:local',
+		workerCount: 1,
+		allowedTestCommands: [
+			'pnpm test:local',
+			'pnpm test:container:sqlite',
+		],
+	},
+});