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[css-grid-2] Aspect ratio and the row axis #12964

@alisonmaher

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@alisonmaher

In the following test case:

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#auto-repeat">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<meta name="assert" content="Checks that the min-height is reflected through the aspect-ratio for determining auto repeat tracks.">
<p>Test passes if there is a filled green square.</p>
<div style="display: inline-grid; background: green; aspect-ratio: 1/1; min-height: 60px; grid-template-rows: repeat(auto-fill, 50px);"></div>

All browsers appear to render a 60x60 green square, as opposed to 100x100. In order to hit the min-height, though, you'd expect to produce 2 50px rows.

Image

In the column direction, however, this works as expected, and 2 50px columns are produced, resulting in a 100x100 square:

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#auto-repeat">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<meta name="assert" content="Checks that the min-height is reflected through the aspect-ratio for determining auto repeat tracks.">
<p>Test passes if there is a filled green square.</p>
<div style="display: inline-grid; background: green; aspect-ratio: 1/1; min-height: 60px; grid-template-columns: repeat(auto-fill, 50px);"></div>
Image

Is this expected to only work in the column direction? (Same question applies for masonry)

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