"window is not defined" Error When Deploying Remix Project to Cloudflare Workers

[tepid star]

What

I'm trying to deploy my Remix project to Cloudflare Workers, but I'm encountering the following error:

Failed to publish your Function. Got error: Uncaught ReferenceError: window is not defined
  at functionsWorker-0.38350223454284715.js:28168:5 in
../node_modules/.pnpm/[email protected][email protected]/node_modules/styletron-react/dist-browser-cjs/index.js

Expectation

The goal is to deploy the project successfully to Cloudflare Workers without any issues.

Environment

Remix: v2.15.2
styletron-react: v6.1.1
Cloudflare Workers
Vite: v6.0.7
TypeScript: v5.7.2

Code

https://github.com/eiei114/im-ts-frontend-template

[tepid star]

https://github.com/remix-run/examples/tree/main/styletron