openedx / openedx/frontend-app-learning

Electronic Sound Experiment (demo course) not working

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#939 4 comments 0 reactions 0 assignees View on GitHub

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Dominant language
JavaScript
Stars
70
Forks
335
Avg merge
1d 17h
Merged PRs (30d)
35

Description

The Electronic Sound Experiment (demo course - week 2 / lesson 2) gives an error:

TypeError: Cannot set properties of undefined (setting 'diagram') The tool is disabled.

The legacy view works without problems.

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

Reproduce the error in the Electronic Sound Experiment demo course, week 2 / lesson 2, and compare the failing view with the working legacy view. Start from the reported TypeError and determine which tool is disabled; done means the lesson works without the error while preserving the legacy view behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, react
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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