Reproduction link or steps

https://stackblitz.com/edit/p5a3vok2?file=rolldown.config.ts,index.mjs,dist%2Findex.js,react.cjs

What is expected?

[Function (anonymous)] { ...omit... } to be output when running node dist/index.js.
In other words, dist/index.js to contain var import_react = /* @__PURE__ */ __toESM(require_react(), 1);

What is actually happening?

[Function (anonymous)] undefined is output when running node dist/index.js.
In other words, dist/index.js contains var import_react = require_react();.

System Info

StackBlitz

  System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 20.19.1 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 10.8.2 - /usr/local/bin/npm
    pnpm: 8.15.6 - /usr/local/bin/pnpm
  npmPackages:
    @rolldown/browser:  1.0.0-beta.50

Any additional comments?

Probably related to #6850