tanstack builder example SaaS dashboard fail to build

[MarvinXu]

Which project does this relate to?

Create Tanstack App

Describe the bug

Cloudflare build log:

2026-05-06T09:35:17.854Z	Initializing build environment...
2026-05-06T09:35:21.111Z	Success: Finished initializing build environment
2026-05-06T09:35:21.643Z	Cloning repository...
2026-05-06T09:35:22.810Z	No build output detected to cache. Skipping.
2026-05-06T09:35:22.810Z	No dependencies detected to cache. Skipping.
2026-05-06T09:35:22.813Z	Detected the following tools from environment: bun@1.2.15, nodejs@22.16.0
2026-05-06T09:35:22.815Z	Installing project dependencies: bun install
2026-05-06T09:35:22.985Z	[1.26ms] ".env.local"
2026-05-06T09:35:23.000Z	bun install v1.2.15 (df017990)
2026-05-06T09:35:23.028Z	Resolving dependencies
2026-05-06T09:35:28.002Z	Resolved, downloaded and extracted [2232]
2026-05-06T09:35:29.646Z	Saved lockfile
2026-05-06T09:35:29.647Z	
2026-05-06T09:35:29.647Z	+ @tailwindcss/typography@0.5.19
2026-05-06T09:35:29.647Z	+ @tanstack/devtools-vite@0.6.0
2026-05-06T09:35:29.648Z	+ @testing-library/dom@10.4.1
2026-05-06T09:35:29.648Z	+ @testing-library/react@16.3.2
2026-05-06T09:35:29.649Z	+ @types/node@22.19.17 (v25.6.0 available)
2026-05-06T09:35:29.649Z	+ @types/pg@8.20.0
2026-05-06T09:35:29.649Z	+ @types/react@19.2.14
2026-05-06T09:35:29.649Z	+ @types/react-dom@19.2.3
2026-05-06T09:35:29.649Z	+ @vitejs/plugin-react@6.0.1
2026-05-06T09:35:29.649Z	+ dotenv@17.4.2
2026-05-06T09:35:29.649Z	+ jsdom@28.1.0 (v29.1.1 available)
2026-05-06T09:35:29.649Z	+ tsx@4.21.0
2026-05-06T09:35:29.649Z	+ typescript@5.9.3 (v6.0.3 available)
2026-05-06T09:35:29.649Z	+ vite@8.0.10
2026-05-06T09:35:29.649Z	+ vitest@3.2.4 (v4.1.5 available)
2026-05-06T09:35:29.649Z	+ wrangler@4.88.0
2026-05-06T09:35:29.649Z	+ @cloudflare/vite-plugin@1.36.0
2026-05-06T09:35:29.650Z	+ @neondatabase/serverless@1.1.0
2026-05-06T09:35:29.650Z	+ @sentry/tanstackstart-react@10.51.0
2026-05-06T09:35:29.650Z	+ @tailwindcss/vite@4.2.4
2026-05-06T09:35:29.650Z	+ @tanstack/react-devtools@0.10.2
2026-05-06T09:35:29.650Z	+ @tanstack/react-form@1.29.1
2026-05-06T09:35:29.650Z	+ @tanstack/react-query@5.100.9
2026-05-06T09:35:29.650Z	+ @tanstack/react-query-devtools@5.100.9
2026-05-06T09:35:29.650Z	+ @tanstack/react-router@1.169.2
2026-05-06T09:35:29.650Z	+ @tanstack/react-router-devtools@1.166.13
2026-05-06T09:35:29.656Z	+ @tanstack/react-router-ssr-query@1.166.12
2026-05-06T09:35:29.656Z	+ @tanstack/react-start@1.167.64
2026-05-06T09:35:29.656Z	+ @tanstack/router-plugin@1.167.34
2026-05-06T09:35:29.656Z	+ better-auth@1.6.9
2026-05-06T09:35:29.657Z	+ class-variance-authority@0.7.1
2026-05-06T09:35:29.657Z	+ clsx@2.1.1
2026-05-06T09:35:29.657Z	+ dotenv-cli@11.0.0
2026-05-06T09:35:29.657Z	+ drizzle-kit@0.31.10
2026-05-06T09:35:29.657Z	+ drizzle-orm@0.45.2
2026-05-06T09:35:29.657Z	+ lucide-react@0.577.0 (v1.14.0 available)
2026-05-06T09:35:29.657Z	+ pg@8.20.0
2026-05-06T09:35:29.657Z	+ react@19.2.5
2026-05-06T09:35:29.657Z	+ react-dom@19.2.5
2026-05-06T09:35:29.657Z	+ tailwind-merge@3.5.0
2026-05-06T09:35:29.657Z	+ tailwindcss@4.2.4
2026-05-06T09:35:29.657Z	+ tw-animate-css@1.4.0
2026-05-06T09:35:29.657Z	+ vite-plugin-neon-new@0.8.0
2026-05-06T09:35:29.658Z	+ zod@4.4.3
2026-05-06T09:35:29.658Z	
2026-05-06T09:35:29.658Z	516 packages installed [6.69s]
2026-05-06T09:35:29.658Z	
2026-05-06T09:35:29.658Z	Blocked 1 postinstall. Run `bun pm untrusted` for details.
2026-05-06T09:35:29.858Z	Executing user build command: npm run build
2026-05-06T09:35:30.251Z	
2026-05-06T09:35:30.251Z	> build
2026-05-06T09:35:30.251Z	> vite build && cp instrument.server.mjs .output/server
2026-05-06T09:35:30.251Z	
2026-05-06T09:35:34.072Z	vite v8.0.10 building client environment for production...
2026-05-06T09:35:34.300Z	
transforming...
2026-05-06T09:35:34.301Z	[@tanstack/devtools-vite] Removed devtools code from: /src/routes/__root.tsx
2026-05-06T09:35:34.301Z	
2026-05-06T09:35:35.592Z	✓ 683 modules transformed.
2026-05-06T09:35:35.708Z	rendering chunks...
2026-05-06T09:35:35.866Z	computing gzip size...
2026-05-06T09:35:35.876Z	dist/client/.assetsignore                        0.02 kB
2026-05-06T09:35:35.876Z	dist/client/assets/styles-on7c4OiS.css          52.87 kB │ gzip:  10.15 kB
2026-05-06T09:35:35.876Z	dist/client/assets/sentry.testing-CoZXhRfG.js    0.57 kB │ gzip:   0.36 kB
2026-05-06T09:35:35.877Z	dist/client/assets/about-CXZvQOV5.js             0.72 kB │ gzip:   0.43 kB
2026-05-06T09:35:35.877Z	dist/client/assets/jsx-runtime-BOY_dY-B.js       0.93 kB │ gzip:   0.55 kB
2026-05-06T09:35:35.877Z	dist/client/assets/form.address-BbeUGzib.js      3.12 kB │ gzip:   1.13 kB
2026-05-06T09:35:35.877Z	dist/client/assets/routes-Cr0AXDSD.js            3.31 kB │ gzip:   1.35 kB
2026-05-06T09:35:35.877Z	dist/client/assets/neon-CGbQfoVh.js              4.45 kB │ gzip:   1.71 kB
2026-05-06T09:35:35.877Z	dist/client/assets/drizzle-BaHgodff.js           4.68 kB │ gzip:   1.69 kB
2026-05-06T09:35:35.877Z	dist/client/assets/better-auth-CX7ujLX7.js       5.92 kB │ gzip:   1.58 kB
2026-05-06T09:35:35.877Z	dist/client/assets/tanstack-query-Wl0hHEW4.js    9.67 kB │ gzip:   3.66 kB
2026-05-06T09:35:35.877Z	dist/client/assets/sentry.testing-BZpUoqin.js   12.23 kB │ gzip:   3.67 kB
2026-05-06T09:35:35.877Z	dist/client/assets/exports-2JvrqLsc.js          28.61 kB │ gzip:   9.94 kB
2026-05-06T09:35:35.877Z	dist/client/assets/createServerFn-CLrdMGtT.js   36.13 kB │ gzip:  11.76 kB
2026-05-06T09:35:35.877Z	dist/client/assets/demo.form-DxlDYG5l.js        47.06 kB │ gzip:  12.30 kB
2026-05-06T09:35:35.877Z	dist/client/assets/form.simple-0ihJ51U2.js      59.94 kB │ gzip:  16.48 kB
2026-05-06T09:35:35.878Z	dist/client/assets/index-GS-FPlBn.js           349.99 kB │ gzip: 110.59 kB
2026-05-06T09:35:35.878Z	
2026-05-06T09:35:35.878Z	✗ Build failed in 1.80s
2026-05-06T09:35:35.879Z	error during build:
2026-05-06T09:35:35.879Z	Build failed with 1 error:
2026-05-06T09:35:35.879Z	
2026-05-06T09:35:35.879Z	Error: [vite]: Rolldown failed to resolve import "#/components/ui/button" from "/opt/buildhome/repo/src/components/demo.FormComponents.tsx".
2026-05-06T09:35:35.879Z	This is most likely unintended because it can break your application at runtime.
2026-05-06T09:35:35.879Z	If you do want to externalize this module explicitly add it to
2026-05-06T09:35:35.880Z	`build.rollupOptions.external`
2026-05-06T09:35:35.880Z	    at viteLog (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33111:57)
2026-05-06T09:35:35.880Z	    at file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33147:71
2026-05-06T09:35:35.880Z	    at onwarn (file:///opt/buildhome/repo/node_modules/@vitejs/plugin-react/dist/index.js:40:7)
2026-05-06T09:35:35.880Z	    at file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33147:28
2026-05-06T09:35:35.880Z	    at onRollupLog (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33142:63)
2026-05-06T09:35:35.883Z	    at onLog (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:32911:4)
2026-05-06T09:35:35.883Z	    at file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/rolldown-build-DSxL8qiP.mjs:50:26
2026-05-06T09:35:35.884Z	    at logger (file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/rolldown-build-DSxL8qiP.mjs:41:3)
2026-05-06T09:35:35.884Z	    at onLog (file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/bindingify-input-options-DbbBhzky.mjs:1991:32)
2026-05-06T09:35:35.884Z	    at aggregateBindingErrorsIntoJsError (file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/error-DL-e8-oE.mjs:48:18)
2026-05-06T09:35:35.884Z	    at unwrapBindingResult (file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/error-DL-e8-oE.mjs:18:128)
2026-05-06T09:35:35.884Z	    at #build (file:///opt/buildhome/repo/node_modules/rolldown/dist/shared/rolldown-build-DSxL8qiP.mjs:3317:34)
2026-05-06T09:35:35.884Z	    at async buildEnvironment (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33018:64)
2026-05-06T09:35:35.885Z	    at async Object.build (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33440:19)
2026-05-06T09:35:35.886Z	    at async buildStartViteEnvironments (file:///opt/buildhome/repo/node_modules/@tanstack/start-plugin-core/dist/esm/vite/planning.js:94:23)
2026-05-06T09:35:35.886Z	    at async Object.buildApp (file:///opt/buildhome/repo/node_modules/@tanstack/start-plugin-core/dist/esm/vite/plugin.js:111:8)
2026-05-06T09:35:35.886Z	    at async Object.buildApp (file:///opt/buildhome/repo/node_modules/vite/dist/node/chunks/node.js:33432:6)
2026-05-06T09:35:35.886Z	    at async CAC.<anonymous> (file:///opt/buildhome/repo/node_modules/vite/dist/node/cli.js:778:3) {
2026-05-06T09:35:35.886Z	  errors: [Getter/Setter]
2026-05-06T09:35:35.886Z	}
2026-05-06T09:35:36.058Z	Failed: error occurred while running build command

Your Example Website or App

https://github.com/MarvinXu/tanstack-dashboard

Steps to Reproduce the Bug or Issue

1. Go to https://tanstack.com/builder
2. Click SaaS dashboard and Analyze
3. Click Deploy to Cloudflare

Expected behavior

build success

Screenshots or Videos

No response

Platform

• OS: Windows
• Browser: Chrome
• Version: [e.g. 91.1]

Additional context

No response