Function findMdxFileContainingText

packages/cli/src/batch-transform.ts:26–70

* Search for .mdx/.md files in the project that contain the given text. * Used as a fallback when a text edit targets a JSX wrapper but the actual * content lives in a compiled MDX file.

(projectRoot: string, text: string)

 * content lives in a compiled MDX file.
 */
function findMdxFileContainingText(projectRoot: string, text: string): string | null {
  const normalizedText = text.replace(/\s+/g, " ").trim();
  if (!normalizedText) return null;

  const candidates: string[] = [];
  const searchDirs = [projectRoot];
  const visited = new Set<string>();

  while (searchDirs.length > 0) {
    const dir = searchDirs.pop()!;
    if (visited.has(dir)) continue;
    visited.add(dir);

    let entries: fs.Dirent[];
    try {
      entries = fs.readdirSync(dir, { withFileTypes: true });
    } catch {
      continue;
    }

    for (const entry of entries) {
      if (entry.name.startsWith(".") || entry.name === "node_modules" || entry.name === "dist" || entry.name === "build") continue;
      const fullPath = path.join(dir, entry.name);
      if (entry.isDirectory()) {
        searchDirs.push(fullPath);
      } else if (entry.name.endsWith(".mdx") || entry.name.endsWith(".md")) {
        candidates.push(fullPath);
      }
    }
  }

  for (const filePath of candidates) {
    try {
      const content = fs.readFileSync(filePath, "utf-8");
      const normalizedContent = content.replace(/\s+/g, " ");
      if (normalizedContent.includes(normalizedText)) {
        return filePath;
      }
    } catch {
      continue;
    }
  }

  return null;
}

/** Get the primary line number from any BatchOperation variant. */
function getOpLine(op: BatchOperation): number {