Property does not exist error on container queries
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- Dominant language
- Java
- Stars
- 250
- Forks
- 123
- PR merge metrics
- No merged PRs in 30d
Description
The validator throws false positives for properties relating to container queries.
As an example, I get these errors for the following markup example:
-
Error: CSS: container-name: Property container-name doesn't exist.
From line 10, column 25; to line 10, column 38
ner-name: test-container;↩ -
Error: CSS: container-type: Property container-type doesn't exist.
From line 11, column 25; to line 11, column 35
ner-type: inline-size;↩ -
Error: CSS: Unrecognized at-rule @container
From line 16, column 7; to line 16, column 16
}↩ @container test-
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Test Container Queries</title>
<style>
.container {
container-name: test-container;
container-type: inline-size;
}
p {
font-size: 1rem;
}
@container test-container (max-width: 300px) {
p {
font-size: .5rem;
}
}
</style>
</head>
<body>
<div class="container">
<p>
Test if this is valid.
</p>
</div>
</body>
</html>
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file or test is named. Reproduce the supplied HTML, then locate the CSS validation rules for container-name, container-type, and @container; done means the example validates without false-positive property or at-rule errors.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100