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💡 Codex Review
Here are some automated review suggestions for this pull request.
Reviewed commit: bc0bb55e25
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| return; | ||
| } | ||
| const result = highlightLines(normalizedLines, language); | ||
| if (!cancelled) { | ||
| setHighlightedLines(result); |
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The new effect always calls highlightLines(normalizedLines, language) without any size/line guard, so opening large text files (thousands of lines) will tokenize the entire file on the main thread and can freeze the UI even though the list rendering is virtualized. This is a performance regression for big files; consider reintroducing a line/size threshold or chunked/highlight-on-demand so large previews stay responsive.
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