Increase token max length to fix code not highlighted (GitbookIO#2629)

Author: gregberge

.changeset/ten-parrots-argue.md

@@ -0,0 +1,5 @@
+---
+'gitbook': patch
+---
+
+Increase token max length to fix code not highlighted

packages/gitbook/src/components/DocumentView/CodeBlock/highlight.ts

@@ -50,7 +50,7 @@ export async function highlight(block: DocumentBlockCode): Promise<HighlightLine
 
  const lines = highlighter.codeToTokensBase(code, {
  lang: langName,
- tokenizeMaxLineLength: 120,
+ tokenizeMaxLineLength: 400,
  });
 
  let currentIndex = 0;