refactor(core): Introduce @n8n/constants package (#14825)

packages/@n8n/constants/.eslintrc.js

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

packages/@n8n/constants/package.json

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+{
+  "name": "@n8n/constants",
+  "version": "0.1.0",
+  "scripts": {
+    "clean": "rimraf dist .turbo",
+    "dev": "pnpm watch",
+    "typecheck": "tsc --noEmit",
+    "build": "tsc -p tsconfig.build.json",
+    "format": "biome format --write .",
+    "format:check": "biome ci .",
+    "lint": "eslint .",
+    "lintfix": "eslint . --fix",
+    "watch": "tsc -p tsconfig.build.json --watch"
+  },
+  "main": "dist/index.js",
+  "module": "src/index.ts",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist/**/*"
+  ],
+  "devDependencies": {
+    "@n8n/typescript-config": "workspace:*"
+  }
+}

packages/@n8n/constants/src/index.ts

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+export const LICENSE_FEATURES = {
+	SHARING: 'feat:sharing',
+	LDAP: 'feat:ldap',
+	SAML: 'feat:saml',
+	LOG_STREAMING: 'feat:logStreaming',
+	ADVANCED_EXECUTION_FILTERS: 'feat:advancedExecutionFilters',
+	VARIABLES: 'feat:variables',
+	SOURCE_CONTROL: 'feat:sourceControl',
+	API_DISABLED: 'feat:apiDisabled',
+	EXTERNAL_SECRETS: 'feat:externalSecrets',
+	SHOW_NON_PROD_BANNER: 'feat:showNonProdBanner',
+	WORKFLOW_HISTORY: 'feat:workflowHistory',
+	DEBUG_IN_EDITOR: 'feat:debugInEditor',
+	BINARY_DATA_S3: 'feat:binaryDataS3',
+	MULTIPLE_MAIN_INSTANCES: 'feat:multipleMainInstances',
+	WORKER_VIEW: 'feat:workerView',
+	ADVANCED_PERMISSIONS: 'feat:advancedPermissions',
+	PROJECT_ROLE_ADMIN: 'feat:projectRole:admin',
+	PROJECT_ROLE_EDITOR: 'feat:projectRole:editor',
+	PROJECT_ROLE_VIEWER: 'feat:projectRole:viewer',
+	AI_ASSISTANT: 'feat:aiAssistant',
+	ASK_AI: 'feat:askAi',
+	COMMUNITY_NODES_CUSTOM_REGISTRY: 'feat:communityNodes:customRegistry',
+	AI_CREDITS: 'feat:aiCredits',
+	FOLDERS: 'feat:folders',
+	INSIGHTS_VIEW_SUMMARY: 'feat:insights:viewSummary',
+	INSIGHTS_VIEW_DASHBOARD: 'feat:insights:viewDashboard',
+	INSIGHTS_VIEW_HOURLY_DATA: 'feat:insights:viewHourlyData',
+	API_KEY_SCOPES: 'feat:apiKeyScopes',
+} as const;
+
+export const LICENSE_QUOTAS = {
+	TRIGGER_LIMIT: 'quota:activeWorkflows',
+	VARIABLES_LIMIT: 'quota:maxVariables',
+	USERS_LIMIT: 'quota:users',
+	WORKFLOW_HISTORY_PRUNE_LIMIT: 'quota:workflowHistoryPrune',
+	TEAM_PROJECT_LIMIT: 'quota:maxTeamProjects',
+	AI_CREDITS: 'quota:aiCredits',
+	INSIGHTS_MAX_HISTORY_DAYS: 'quota:insights:maxHistoryDays',
+	INSIGHTS_RETENTION_MAX_AGE_DAYS: 'quota:insights:retention:maxAgeDays',
+	INSIGHTS_RETENTION_PRUNE_INTERVAL_DAYS: 'quota:insights:retention:pruneIntervalDays',
+} as const;
+
+export const UNLIMITED_LICENSE_QUOTA = -1;
+
+export type BooleanLicenseFeature = (typeof LICENSE_FEATURES)[keyof typeof LICENSE_FEATURES];
+export type NumericLicenseFeature = (typeof LICENSE_QUOTAS)[keyof typeof LICENSE_QUOTAS];

packages/@n8n/constants/tsconfig.build.json

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+{
+	"extends": ["./tsconfig.json", "@n8n/typescript-config/tsconfig.build.json"],
+	"compilerOptions": {
+		"composite": true,
+		"rootDir": "src",
+		"outDir": "dist",
+		"tsBuildInfoFile": "dist/build.tsbuildinfo"
+	},
+	"include": ["src/**/*.ts"]
+}

packages/@n8n/constants/tsconfig.json

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+{
+	"extends": "@n8n/typescript-config/tsconfig.common.json",
+	"compilerOptions": {
+		"rootDir": ".",
+		"types": ["node", "jest"],
+		"baseUrl": "src",
+		"tsBuildInfoFile": "dist/typecheck.tsbuildinfo",
+		"experimentalDecorators": true,
+		"emitDecoratorMetadata": true
+	},
+	"include": ["src/**/*.ts"]
+}