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LibWeb: Clear grapheme segmenter when invalidating TextNode text

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We only set the grapheme segmenter's text once after creating a new
segmenter, so we also need to clear it whenever we invalidate the text.
This commit is contained in:
Jelle Raaijmakers 2024-10-09 18:53:50 +02:00
parent 4fcaeabe1a
commit 25516e351e
3 changed files with 12 additions and 0 deletions
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2
Tests/LibWeb/Ref/reference/textnode-segmenter-invalidation.html Normal file
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@ -0,0 +1,2 @@
<!DOCTYPE html><textarea>a
b</textarea>

9
Tests/LibWeb/Ref/textnode-segmenter-invalidation.html Normal file
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@ -0,0 +1,9 @@
<!DOCTYPE html>
<head><link rel="match" href="reference/textnode-segmenter-invalidation.html" /></head>
<textarea id="output"></textarea>
<script>
document.addEventListener('DOMContentLoaded', () => {
document.body.offsetWidth // Force layout
document.getElementById('output').value = 'a\nb';
});
</script>

1
Userland/Libraries/LibWeb/Layout/TextNode.cpp
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@ -304,6 +304,7 @@ static ErrorOr<String> apply_text_transform(String const& string, CSS::TextTrans
void TextNode::invalidate_text_for_rendering() void TextNode::invalidate_text_for_rendering()
{ {
m_text_for_rendering = {}; m_text_for_rendering = {};
m_grapheme_segmenter.clear();
} }
String const& TextNode::text_for_rendering() const String const& TextNode::text_for_rendering() const