openedx / openedx/frontend-base

`sass --embedded is unavailable in pure JS mode.` when using node `24.9` (but not `24.12` or `24.13`)

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Dominant language
TypeScript
Stars
4
Forks
13
Avg merge
3h 21m
Merged PRs (30d)
10

Description

When testing https://github.com/openedx/frontend-app-authn/pull/1611 I encountered an error

sass --embedded is unavailable in pure JS mode.

after running

nvm use
npm ci
npm run dev

@arbrandes wasn't able to reproduce this error, so we started looking into differences in our dev environments.

I found I was using node 24.9 and he was using 24.12.

I ran

nvm install

which installed node 24.13, then I re-ran nvm use, npm ci, and npm run dev and things worked as expected.

On that PR, I suggested adding an engines block to the package.json so we get warnings until we figure out the root cause of this.

Contributor guide

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with package.json and the development commands nvm use, npm ci, and npm run dev. Compare behavior under Node 24.9, 24.12, and 24.13, then determine the supported Node version range and whether the package should declare it in an engines block.

Written by the indexing model from the issue text.

Assessment

Tech stack
node.js
Domain
build-system, frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
45/100

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