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bake: the universal selector adds nothing to the anchor

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`:scope > *` and `:scope > *.card` describe the accepted element like any
other child compound, but `*` was carried into the merged selector and
produced `div.pricing-grid*`, which no browser matches. The universal
type is dropped on merge, so those rules land on the anchor itself.
Pinned in the rewrite tests.

Written with AI assistance (Claude).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Abdul Wahab
2026-09-15 05:45:49 +05:00
committed by Abdul Wahab
co-authored by Claude Fable 5
parent 4b3a0e932d
commit 0603f54a27
1 changed files with 13 additions and 3 deletions
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crates/live/src/bake.rs
+13 -3
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@@ -147,9 +147,15 @@ fn compound_parts(compound: &str) -> (Option<String>, Vec<String>) {
let chars: Vec<char> = compound.chars().collect();
let mut i = 0;
let mut tag = String::new();
while i < chars.len() && (chars[i].is_ascii_alphanumeric() || chars[i] == '-' || chars[i] == '_') {
tag.push(chars[i]);
i += 1;
// The universal selector is a type that matches anything, so it adds
// nothing to an anchor and is dropped here (`*`, `*.card`).
if chars.first() == Some(&'*') {
i = 1;
} else {
while i < chars.len() && (chars[i].is_ascii_alphanumeric() || chars[i] == '-' || chars[i] == '_') {
tag.push(chars[i]);
i += 1;
}
}
let mut tokens: Vec<String> = Vec::new();
let mut cur = String::new();
@@ -556,6 +562,10 @@ mod tests {
assert!(rewrite_selector(":scope > section.pricing-grid", a).is_err());
assert_eq!(rewrite_selector(":scope > section.pricing", "#pricing").unwrap(), "#pricing.pricing");
assert_eq!(rewrite_selector(":scope > .card:not([hidden])", a).unwrap(), "div.pricing-grid.card:not([hidden])");
// The universal selector adds nothing to the anchor.
assert_eq!(rewrite_selector(":scope > *", a).unwrap(), "div.pricing-grid");
assert_eq!(rewrite_selector(":scope > *.card", a).unwrap(), "div.pricing-grid.card");
assert_eq!(rewrite_selector(":scope:hover > * .x", a).unwrap(), "div.pricing-grid:hover .x");
assert!(rewrite_selector(":scope + .x", a).is_err());
assert!(rewrite_selector(".a :scope", a).is_err());
}