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script: Add message to SyntaxError (#39056)

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Adding an optional message to be attached to a SyntaxError. Unblocks
#39050.

The enum definition of Syntax is now `Syntax(Option<String>)`. Future
PRs should probably add more appropriate messages to some of the
`Syntax(None)`s.

Testing: Just a refactor
Fixes: Partially #39053

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>
This commit is contained in:
Ashwin Naren 2025-09-01 22:51:36 -07:00 • committed by GitHub
parent d01bba4e50
commit 97c8c83cbb
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30 changed files with 82 additions and 70 deletions
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2
components/script/dom/customelementregistry.rs
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@ -360,7 +360,7 @@ impl CustomElementRegistryMethods<crate::DomTypeHolder> for CustomElementRegistr
// Step 2. If name is not a valid custom element name, then throw a "SyntaxError" DOMException.
if !is_valid_custom_element_name(&name) {
return Err(Error::Syntax);
return Err(Error::Syntax(None));
}
// Step 3. If this's custom element definition set contains an item with name name,