popcodeorg / popcodeorg/popcode

nth-child with empty parens gives unhelpful error

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hard ux
Dominant language
JavaScript
Stars
191
Forks
143
Avg merge
4d 11h
Merged PRs (30d)
5

Description

Input:

p:nth-child() {
}

Output:

image

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  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 provided p:nth-child() {} input in the Popcode editor and inspect the current error output. Trace the CSS parsing or validation entry point responsible for nth-child, then make the empty-argument case produce a useful error message. Done means the example no longer shows the unhelpful error and the relevant behavior is covered by an existing or added test.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, javascript
Domain
frontend, web-dev
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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