fix: map gitignore to ini for Shiki syntax highlighting

ranvier2d2 · claude · ranvier2d2 · commit 81507039de2b · 2026-03-10T18:18:37.000-03:00
Shiki doesn't bundle a gitignore grammar, causing a resolveLanguage
error. Map gitignore to ini (close syntax match) in extractFenceLanguage.

Co-Authored-By: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/apps/web/src/components/ChatMarkdown.tsx b/apps/web/src/components/ChatMarkdown.tsx
@@ -66,7 +66,9 @@ const highlighterPromiseCache = new Map<string, Promise<DiffsHighlighter>>();
 
 function extractFenceLanguage(className: string | undefined): string {
   const match = className?.match(CODE_FENCE_LANGUAGE_REGEX);
-  return match?.[1] ?? "text";
+  const raw = match?.[1] ?? "text";
+  // Shiki doesn't bundle a gitignore grammar; ini is a close match (#685)
+  return raw === "gitignore" ? "ini" : raw;
 }
 
 function nodeToPlainText(node: ReactNode): string {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,9 @@ const highlighterPromiseCache = new Map<string, Promise<DiffsHighlighter>>();`
`66`	`66`
`67`	`67`	`function extractFenceLanguage(className: string \| undefined): string {`
`68`	`68`	`const match = className?.match(CODE_FENCE_LANGUAGE_REGEX);`
`69`		`- return match?.[1] ?? "text";`
	`69`	`+ const raw = match?.[1] ?? "text";`
	`70`	`+ // Shiki doesn't bundle a gitignore grammar; ini is a close match (#685)`
	`71`	`+ return raw === "gitignore" ? "ini" : raw;`
`70`	`72`	`}`
`71`	`73`
`72`	`74`	`function nodeToPlainText(node: ReactNode): string {`