Cannot find module when in monorepo/yarn workspace

[rtablada]

When creating a new project I found that there is an error

'tailwindcss/plugins/container' is imported by ../../../../../../var/folders/64/0sk2_z6n3js7b93cj47tlpxw0000gn/T/broccoli-90368eONv5LidytFA/cache-003-rollup/build/config/tailwind.js, but could not be resolved – treating it as an external dependency
Build Error (BuildTailwindPlugin)

Cannot find module 'tailwindcss/plugins/container'

This is a new application and the only issue I can find is that the project is in a yarn workspace instead of the root node project so paths are different.

This could be an issue with the build tree including relative paths to the project instead of doing a lookup to find the project/node_module root?

[rtablada]

To recreate this this is the repo with the error shown: https://github.com/rtablada/upcoming-games/tree/tailwind

It is a pretty simple workspace project with a brand new ember application

[samselikoff]

Yikes! Thanks for reporting

[samselikoff]

You might be able to get unstuck for now by commenting out this line and these lines in your default generated tailwind/config/tailwind.js config file

[rtablada]

Will have to check this out. Looks like there are a few other addons that are impacted too :( so while there needs to be addon level fixes there may be a need for a helper function to find the node_modules directory since relative path is a common pattern in addons.

[timiyay]

We're starting to adopt ember-cli-tailwind, and are also trying to adopt Yarn workspaces, and have this issue.

Has the understanding of it changed since Oct 2018? We'll be investigating it sometime soon, so it'd be handy to hear any additional thoughts on causes and possible solutions.

[samselikoff]

Not exactly but we do want to move to using ember-cli-postcss in the future. But we'll make sure folks can upgrade.

I haven't used yarn workspaces so I don't know the details there