Version

System:
OS: macOS 15.4
CPU: (8) arm64 Apple M3
Memory: 89.36 MB / 24.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 22.14.0 - ~/.nvm/versions/node/v22.14.0/bin/node
Yarn: 4.8.1 - ~/.nvm/versions/node/v22.14.0/bin/yarn
npm: 10.9.2 - ~/.nvm/versions/node/v22.14.0/bin/npm
Browsers:
Brave Browser: 134.1.76.82

Details

I have two entry points (app and report), and both endpoints instantiate a web worker executing the same script. In dev mode, I get the following runtime error:

src_common_worker_ts.js:168 Uncaught SyntaxError: Invalid or unexpected token (at src_common_worker_ts.js:168:20)

and this is what the culprit snippet looks like in the src_common_worker_ts.js file:

// webpack/runtime/get_main_filename/update manifest
(() => {
__webpack_require__.hmrF = function () {
            return "app
c0291249ad859a04." + __webpack_require__.h() + ".hot-update.json";
         };
        
})();

I suspect the issue is the new line after the app prefix, but I don't understand why this condition triggers it.

Reproduce link

https://github.com/user-attachments/files/19571728/repro-rsbuild-worker-issue.zip

Reproduce Steps

Download and unzip the reproduction project repro-rsbuild-worker-issue.zip

Inside the root folder run:

nvm use
yarn
yarn workspace @tsx-sandbox/main dev

Then, access either of the entry points and open the browser console to see the error.