Re: [csswg-drafts] [css-conditional] testing support of properties and values with partial implementations (#3559) from Simon Lawrence via GitHub on 2019-02-15 (public-css-archive@w3.org from February 2019)

From: Simon Lawrence via GitHub <sysbot+gh@w3.org>
Date: Fri, 15 Feb 2019 17:13:42 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-464127394-1550250821-sysbot+gh@w3.org>

Given, gap properties already exist for grid i.e. `grid-gap`, `grid-column-gap`, `grid-row-gap`, aliases for gap properties could also be added for Flexbox. This would enable detection for gap support specifically in Flexbox using the existing Feature Query syntax. For example:

```
@supports (flex-gap: 10px) {
  div {
    display: flex;
    gap: 10px;
  }
}

@supports not (flex-gap: 10px) {
  div {
    display: flex;
    margin: 10px;
  }
}
```

I'm not sure however, how scaleable this approach would be regarding other properties.

It certainly seams that as there is greater cross-pollination between specifications, this kind of issue is going to become more of a problem and a sustainable solution would be welcome.

-- 
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Received on Friday, 15 February 2019 17:13:44 UTC