False bailout for require.

[jdalton]

I'm seeing

WARNING in global bailout from webpack-common-shake
Invalid use of `require` at [/path/to//esm/src/module/make-require-function.js:35:9]

Which looks like this. It's being babel transpiled back to cjs and scope hoisted with webpack. The plugin is bailing out because it's seeing the use of require without checking that it's a local reference and not the environment variable.