Nested node_modules generated under esm/script which breaks module resolution

[LiamAttClarke]

Issue

dnt is outputting dependencies under npm/esm/node_modules and npm/script/node_modules in addition to the root npm/node_modules. The nested node_modules only contain an incomplete set of files from the ya-svg-transform package which is installed correctly in the root node_modules folder.

This results in the tests failing with the following error:

Temporary Workaround

I found that deleting the extra node_modules directories resolved the issue so I added the following to my postBuild hook:
build_npm.ts

...
await build({
  postBuild() {
    ...
    // Delete unwanted node_modules outputs
    // Deno.removeSync("npm/esm/node_modules", { recursive: true });
    // Deno.removeSync("npm/script/node_modules", { recursive: true });
  },
});

Notes

Not sure why these extra files are being emitted but it seems to me it may be an issue with the ts-morph package.

[dsherret]

Could you provide a reproduction? Do you by chance have a node_modules directory in your main directory?

[LiamAttClarke]

Hey @dsherret, sorry for the late response.

I setup a minimal reproduction here.

I also confirmed that I had no stray node_modules directories.