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fix: add error logging for code highlighting failures #951

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fix: add error logging for code highlighting failures #951

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8 changes: 6 additions & 2 deletions apps/web/src/components/ChatMarkdown.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,8 @@
import {
// Log highlighting failures for debugging while falling back to plain text
console.warn(
`Code highlighting failed for language "${language}", falling back to plain text.`,
error instanceof Error ? error.message : error,
);
getSharedHighlighter,
type DiffsHighlighter,
type SupportedLanguages,
Expand Down Expand Up @@ -213,7 +217,7 @@ function SuspenseShikiCodeBlock({
const highlightedHtml = useMemo(() => {
try {
return highlighter.codeToHtml(code, { lang: language, theme: themeName });
} catch {
} catch (error) {
// If highlighting fails for this language, render as plain text
return highlighter.codeToHtml(code, { lang: "text", theme: themeName });
}
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