Microsoft/vscode

[css] Wrong selector hover when using :has()

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#191,897 opened on Aug 31, 2023

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 (1 comment) (0 reactions) (1 assignee)TypeScript (10,221 forks)batch import
bugcss-less-scsshelp wanted

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Description

Type: Bug

Set language to CSS.

Put this code:

article:has(.alert) {
	color: crimson;
}

Hover over article:has(.alert).

This dialog shows a wrong HTML example:

<article :has>

Instead, it could be:

<article>
  <div class="alert"></div>
</article>

VS Code version: Code 1.80.1 (74f6148eb9ea00507ec113ec51c489d6ffb4b771, 2023-07-12T17:20:58.115Z) OS version: Darwin arm64 21.6.0 Modes: Restricted

Contributor guide

Research direction
Investigate the CSS hover provider in VS Code to understand why `:has()` pseudo class is incorrectly parsed and suggest a fix.
Tech stack
css
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75