Function isMarkdownFile

core/utils/markdownUtils.ts:27–34

(filepath?: string)

 * Determines if a file is a markdown file based on its filepath.
 */
export function isMarkdownFile(filepath?: string): boolean {
  if (!filepath) {
    return false;
  }

  const ext = filepath.split(".").pop()?.toLowerCase() || "";
  return ["md", "markdown", "gfm"].includes(ext);
}

/**
 * State tracker for markdown block analysis to avoid recomputing on each call.