Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/48734/

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 794e289:

It works: https://babeljs.io/repl/build/48734/#?browsers=ie%2011&build=&builtIns=false&corejs=false&spec=false&loose=false&code_lz=MYewdgzgLgBAhjAvDA9AHQA4G8AyBTKKPAJwF8UBXIA&debug=false&forceAllTransforms=false&shippedProposals=false&circleciRepo=&evaluate=true&fileSize=false&timeTravel=false&sourceType=module&lineWrap=false&presets=env&prettier=false&targets=&version=7.15.6%2Bpr.13767&externalPlugins=&assumptions=%7B%7D

Should we mock the require in this test?

Ideally I would like to propose a new @rollup/plugin-commonjs option that stops the final bundle from actually containing a require() call. Many people test their bundles in Node.js where require should be available, and then run them in browsers.