Regression: dynamic runtime `require` works in 0.38.1 but breaks in 0.38.2

[CatChen]

0.38.1

I have the following source code:

https://github.com/CatChen/eslint-suggestion-action/blob/930479a34a06bfa384291cc877f9d1ce21533ae1/src/getESLint.ts#L16-L19

The dynamic require is compiled into the following code:

https://github.com/CatChen/eslint-suggestion-action/blob/930479a34a06bfa384291cc877f9d1ce21533ae1/bundle/index.js#L37587

0.38.2

The same code is compiled into the following code since 0.38.2:

https://github.com/CatChen/eslint-suggestion-action/blob/bc0de7fa625de9daf56cca84b6084f4d6bcbaca4/bundle/index.js#L37702

Workaround

My current workaround is to use dynamic import inside a new Function() (because dynamic import isn't supported either). I have to change to code into this:

https://github.com/CatChen/eslint-suggestion-action/blob/927208b2e684b1a7c721f4a0e70d4f4e8c11c228/src/getESLint.ts#L15-L26

[styfle]

Looks like this is likely caused by the webpack upgrade in https://github.com/vercel/ncc/releases/tag/0.38.2

cc @theoludwig

[theoludwig]

Ah, so is that a Webpack bug?