feat: Migrate build system to rolldown in Front End packages (no-changelog) (#20717)

packages/@n8n/eslint-config/package.json

@@ -46,7 +46,6 @@
     "eslint-plugin-unused-imports": "^4.1.4",
     "eslint-plugin-vue": "^10.2.0",
     "globals": "^16.2.0",
-    "tsup": "catalog:",
     "typescript": "catalog:",
     "typescript-eslint": "^8.35.0",
     "vitest": "catalog:"

packages/@n8n/extension-sdk/package.json

@@ -31,11 +31,11 @@
   },
   "scripts": {
     "clean": "rimraf dist",
-    "dev": "tsup --watch",
+    "dev": "tsdown --watch",
     "lint": "eslint . --quiet",
     "typecheck:frontend": "vue-tsc --noEmit --project tsconfig.frontend.json",
     "typecheck:backend": "tsc --noEmit --project tsconfig.backend.json",
-    "build": "pnpm \"/^typecheck:.+/\" && pnpm clean && tsup && pnpm create-json-schema",
+    "build": "pnpm \"/^typecheck:.+/\" && pnpm clean && tsdown && pnpm create-json-schema",
     "create-json-schema": "tsx scripts/create-json-schema.ts",
     "preview": "vite preview"
   },
@@ -47,6 +47,7 @@
     "@n8n/typescript-config": "workspace:*",
     "@vitejs/plugin-vue": "catalog:frontend",
     "@vue/tsconfig": "catalog:frontend",
+    "tsdown": "catalog:",
     "rimraf": "catalog:",
     "vite": "catalog:",
     "vue": "catalog:frontend",

packages/@n8n/extension-sdk/tsconfig.backend.json

@@ -1,6 +1,8 @@
 {
 	"extends": "@n8n/typescript-config/tsconfig.common.json",
 	"compilerOptions": {
+		"composite": true,
+		"declaration": true,
 		"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.backend.tsbuildinfo"
 	},
 	"include": ["src/backend/**/*.ts"]

packages/@n8n/extension-sdk/tsconfig.common.json

@@ -1,6 +1,8 @@
 {
 	"extends": "@n8n/typescript-config/tsconfig.common.json",
 	"compilerOptions": {
+		"composite": true,
+		"declaration": true,
 		"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.backend.tsbuildinfo"
 	},
 	"include": ["src/*.ts"]

packages/@n8n/extension-sdk/tsconfig.frontend.json

@@ -1,6 +1,8 @@
 {
 	"extends": "@vue/tsconfig/tsconfig.dom.json",
 	"compilerOptions": {
+		"composite": true,
+		"declaration": true,
 		"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.frontend.tsbuildinfo"
 	},
 	"include": ["src/frontend/**/*.ts", "src/frontend/**/*.vue"]

packages/@n8n/extension-sdk/tsdown.config.ts

@@ -1,5 +1,6 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
+// eslint-disable-next-line import-x/no-default-export
 export default defineConfig([
 	{
 		clean: false,

packages/@n8n/nodes-langchain/package.json

@@ -164,7 +164,7 @@
     "fast-glob": "catalog:",
     "jest-mock-extended": "^3.0.4",
     "n8n-core": "workspace:*",
-    "tsup": "catalog:"
+    "tsup": "^8.5.0"
   },
   "dependencies": {
     "@aws-sdk/client-sso-oidc": "3.808.0",

packages/@n8n/utils/package.json

@@ -18,8 +18,8 @@
     }
   },
   "scripts": {
-    "dev": "vite",
-    "build": "tsup",
+    "dev": "tsdown --watch",
+    "build": "tsdown",
     "preview": "vite preview",
     "typecheck": "tsc --noEmit",
     "test": "vitest run",
@@ -35,7 +35,7 @@
     "@n8n/vitest-config": "workspace:*",
     "@testing-library/jest-dom": "catalog:frontend",
     "@testing-library/user-event": "catalog:frontend",
-    "tsup": "catalog:",
+    "tsdown": "catalog:",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vitest": "catalog:"

packages/@n8n/utils/tsconfig.json

@@ -7,5 +7,5 @@
 		"types": ["vite/client", "vitest/globals"],
 		"isolatedModules": true
 	},
-	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsup.config.ts"]
+	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsdown.config.ts"]
 }

packages/@n8n/utils/tsdown.config.ts

@@ -1,11 +1,9 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
 export default defineConfig({
 	entry: ['src/**/*.ts', '!src/**/*.test.ts', '!src/**/*.d.ts', '!src/__tests__**/*'],
 	format: ['cjs', 'esm'],
 	clean: true,
 	dts: true,
-	cjsInterop: true,
-	splitting: true,
 	sourcemap: true,
 });

packages/extensions/insights/package.json

@@ -29,7 +29,7 @@
   },
   "scripts": {
     "cleanup": "rimraf dist",
-    "dev": "vite",
+    "dev": "tsdown --watch",
     "lint": "eslint src --quiet",
     "lint:fix": "eslint src --fix",
     "lint:styles": "run-script-os",
@@ -39,7 +39,7 @@
     "lint:styles:fix:default": "stylelint \"src/**/*.{scss,sass,vue}\" --fix --cache --custom-formatter $(pwd)/../../../packages/@n8n/stylelint-config/dist/formatter-summary.js",
     "lint:styles:fix:windows": "stylelint \"src/**/*.{scss,sass,vue}\" --fix --cache --custom-formatter \"%cd%/../../../packages/@n8n/stylelint-config/dist/formatter-summary.js\"",
     "typecheck": "vue-tsc --noEmit",
-    "build:backend": "tsup",
+    "build:backend": "tsdown",
     "build:frontend": "vite build",
     "build": "pnpm cleanup && pnpm run \"/^build:.*/\"",
     "preview": "vite preview"
@@ -57,6 +57,7 @@
     "@n8n/typescript-config": "workspace:*",
     "@vitejs/plugin-vue": "catalog:frontend",
     "@vue/tsconfig": "catalog:frontend",
+    "tsdown": "catalog:",
     "rimraf": "catalog:",
     "vite": "catalog:",
     "vue": "catalog:frontend",

packages/extensions/insights/tsconfig.vite.json

@@ -7,7 +7,6 @@
 		"module": "ESNext",
 		"skipLibCheck": true,
 		"moduleResolution": "bundler",
-		"allowImportingTsExtensions": true,
 		"isolatedModules": true,
 		"moduleDetection": "force",
 		"strict": true,
@@ -16,5 +15,5 @@
 		"noFallthroughCasesInSwitch": true,
 		"noUncheckedSideEffectImports": true
 	},
-	"include": ["vite.config.ts"]
+	"include": ["vite.config.ts", "tsdown.config.ts"]
 }

packages/extensions/insights/tsdown.config.ts

@@ -1,4 +1,4 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
 export default defineConfig({
 	entry: [

packages/frontend/@n8n/composables/package.json

@@ -13,8 +13,8 @@
     }
   },
   "scripts": {
-    "dev": "vite",
-    "build": "tsup",
+    "dev": "tsdown --watch",
+    "build": "tsdown",
     "preview": "vite preview",
     "typecheck": "vue-tsc --noEmit",
     "test": "vitest run",
@@ -35,7 +35,7 @@
     "@vue/tsconfig": "catalog:frontend",
     "@vueuse/core": "catalog:frontend",
     "vue": "catalog:frontend",
-    "tsup": "catalog:",
+    "tsdown": "catalog:",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vitest": "catalog:",

packages/frontend/@n8n/composables/tsconfig.json

@@ -7,5 +7,5 @@
 		"types": ["vite/client", "vitest/globals"],
 		"isolatedModules": true
 	},
-	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsup.config.ts"]
+	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsdown.config.ts"]
 }

packages/frontend/@n8n/composables/tsdown.config.ts

@@ -1,11 +1,10 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
+// eslint-disable-next-line import-x/no-default-export
 export default defineConfig({
 	entry: ['src/**/*.ts', '!src/**/*.test.ts', '!src/**/*.d.ts', '!src/__tests__/**/*'],
 	format: ['cjs', 'esm'],
 	clean: true,
 	dts: true,
-	cjsInterop: true,
-	splitting: true,
 	sourcemap: true,
 });

packages/frontend/@n8n/i18n/package.json

@@ -21,8 +21,8 @@
     }
   },
   "scripts": {
-    "dev": "vite",
-    "build": "tsup",
+    "dev": "tsdown --watch",
+    "build": "tsdown",
     "preview": "vite preview",
     "typecheck": "vue-tsc --noEmit",
     "test": "vitest run",
@@ -47,7 +47,7 @@
     "@vue/tsconfig": "catalog:frontend",
     "@vueuse/core": "catalog:frontend",
     "vue": "catalog:frontend",
-    "tsup": "catalog:",
+    "tsdown": "catalog:",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vitest": "catalog:",

packages/frontend/@n8n/i18n/tsconfig.json

@@ -8,5 +8,5 @@
 		"isolatedModules": true,
 		"resolveJsonModule": true
 	},
-	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsup.config.ts"]
+	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsdown.config.ts"]
 }

packages/frontend/@n8n/i18n/tsdown.config.ts

@@ -1,11 +1,9 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
 export default defineConfig({
 	entry: ['src/**/*.ts', '!src/**/*.test.ts', '!src/**/*.d.ts', '!src/__tests__/**/*'],
 	format: ['cjs', 'esm'],
 	clean: true,
 	dts: true,
-	cjsInterop: true,
-	splitting: true,
 	sourcemap: true,
 });

packages/frontend/@n8n/rest-api-client/package.json

@@ -21,8 +21,8 @@
     }
   },
   "scripts": {
-    "dev": "vite",
-    "build": "tsup",
+    "dev": "tsdown --watch",
+    "build": "tsdown",
     "preview": "vite preview",
     "typecheck": "vue-tsc --noEmit",
     "test": "vitest run",
@@ -49,7 +49,7 @@
     "@n8n/vitest-config": "workspace:*",
     "@testing-library/jest-dom": "catalog:frontend",
     "@testing-library/user-event": "catalog:frontend",
-    "tsup": "catalog:",
+    "tsdown": "catalog:",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vitest": "catalog:"

packages/frontend/@n8n/rest-api-client/tsconfig.json

@@ -10,5 +10,5 @@
 			"@n8n/utils/*": ["../../../@n8n/utils/src/*"]
 		}
 	},
-	"include": ["src/**/*.ts", "vite.config.ts", "tsup.config.ts"]
+	"include": ["src/**/*.ts", "vite.config.ts", "tsdown.config.ts"]
 }

packages/frontend/@n8n/rest-api-client/tsdown.config.ts

@@ -1,11 +1,9 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
 export default defineConfig({
 	entry: ['src/**/*.ts', '!src/**/*.test.ts', '!src/**/*.d.ts', '!src/__tests__/**/*'],
 	format: ['cjs', 'esm'],
 	clean: true,
 	dts: true,
-	cjsInterop: true,
-	splitting: true,
 	sourcemap: true,
 });

packages/frontend/@n8n/stores/package.json

@@ -21,8 +21,8 @@
     }
   },
   "scripts": {
-    "dev": "vite",
-    "build": "tsup",
+    "dev": "tsdown --watch",
+    "build": "tsdown",
     "preview": "vite preview",
     "typecheck": "vue-tsc --noEmit",
     "test": "vitest run",
@@ -47,7 +47,7 @@
     "@vueuse/core": "catalog:frontend",
     "pinia": "catalog:frontend",
     "vue": "catalog:frontend",
-    "tsup": "catalog:",
+    "tsdown": "catalog:",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vitest": "catalog:",

packages/frontend/@n8n/stores/tsconfig.json

@@ -7,5 +7,5 @@
 		"types": ["vite/client", "vitest/globals"],
 		"isolatedModules": true
 	},
-	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsup.config.ts"]
+	"include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "tsdown.config.ts"]
 }

packages/frontend/@n8n/stores/tsdown.config.ts

@@ -1,11 +1,9 @@
-import { defineConfig } from 'tsup';
+import { defineConfig } from 'tsdown';
 
 export default defineConfig({
 	entry: ['src/**/*.ts', '!src/**/*.test.ts', '!src/**/*.d.ts', '!src/__tests__/**/*'],
 	format: ['cjs', 'esm'],
 	clean: true,
 	dts: true,
-	cjsInterop: true,
-	splitting: true,
 	sourcemap: true,
 });

pnpm-workspace.yaml

@@ -46,11 +46,11 @@ catalog:
   picocolors: 1.0.1
   reflect-metadata: 0.2.2
   rimraf: 6.0.1
-  tsup: ^8.5.0
+  tsdown: ^0.15.6
   tsx: ^4.19.3
   simple-git: 3.28.0
   uuid: 10.0.0
-  vite: ^6.3.5
+  vite: npm:rolldown-vite@latest
   vite-plugin-dts: ^4.5.4
   vitest: ^3.1.3
   vitest-mock-extended: ^3.1.0