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Merge pull request #1852 from lightpanda-io/fix-domparser-error-doc

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Fix domparser error doc
This commit is contained in:
Karl Seguin
2026-03-16 07:35:50 +08:00
committed by GitHub
parent 92f7248a16 0eb43fb530
commit dc7c6984fb
2 changed files with 9 additions and 9 deletions
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4
src/browser/tests/domparser.html
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@@ -11,9 +11,9 @@
}
{
// Empty XML is a parse error (no root element)
const parser = new DOMParser();
testing.expectError('Error', () => parser.parseFromString('', 'text/xml'));
let d = parser.parseFromString('', 'text/xml');
testing.expectEqual('<parsererror>error</parsererror>', new XMLSerializer().serializeToString(d));
}
}
</script>

14
src/browser/webapi/DOMParser.zig
View File

@@ -86,15 +86,15 @@ pub fn parseFromString(
var parser = Parser.init(arena, doc_node, page);
parser.parseXML(html);
if (parser.err) |pe| {
return pe.err;
if (parser.err != null or doc_node.firstChild() == null) {
// Return a document with a <parsererror> element per spec.
const err_doc = try page._factory.document(XMLDocument{ ._proto = undefined });
var err_parser = Parser.init(arena, err_doc.asNode(), page);
err_parser.parseXML("<parsererror xmlns=\"http://www.mozilla.org/newlayout/xml/parsererror.xml\">error</parsererror>");
return err_doc.asDocument();
}
const first_child = doc_node.firstChild() orelse {
// Empty XML or no root element - this is a parse error.
// TODO: Return a document with a <parsererror> element per spec.
return error.JsException;
};
const first_child = doc_node.firstChild().?;
// If first node is a `ProcessingInstruction`, skip it.
if (first_child.getNodeType() == 7) {