Function applyMarkdown

src/utils/markdown.ts:424–462

(
  content: string,
  theme: ThemeName,
  highlight: CliHighlight | null = null,
)

}

export function applyMarkdown(
  content: string,
  theme: ThemeName,
  highlight: CliHighlight | null = null,
): string {
  const stripped = stripPromptXMLTags(content)
  const shouldCache = stripped.length >= APPLY_MARKDOWN_CACHE_MIN_CONTENT_LENGTH
  const cacheKey = shouldCache
    ? `${hashContent(stripped)}|${theme}|${highlight ? 1 : 0}`
    : undefined

  if (cacheKey) {
    const hit = applyMarkdownCache.get(cacheKey)
    if (hit !== undefined) {
      applyMarkdownCache.delete(cacheKey)
      applyMarkdownCache.set(cacheKey, hit)
      return hit
    }
  }

  // String-only markdown preview paths (notably AskUserQuestion previews) do
  // not go through Markdown.tsx, so they bypass the block/token caches above.
  // Keep a tiny LRU here for large preview bodies to avoid repeatedly lexing
  // and re-highlighting the same rendered file/markdown payload on rerender.
  const rendered = lexMarkdownPreservingPreformattedDiagrams(stripped)
    .map(_ => formatToken(_, theme, 0, null, null, highlight))
    .join('')
    .trim()

  if (cacheKey) {
    if (applyMarkdownCache.size >= APPLY_MARKDOWN_CACHE_MAX) {
      const oldest = applyMarkdownCache.keys().next().value
      if (oldest !== undefined) applyMarkdownCache.delete(oldest)
    }
    applyMarkdownCache.set(cacheKey, rendered)
  }

  return rendered
}

export function formatToken(
  token: Token,