message: Log when empty files are skipped
diff: @@ -56,6 +56,7 @@ export default class Writer {
  async savePage(page: Page): Promise<boolean> {
  // Ignore empty files or with url === false
  if (!page.content || page.data.url === false) {
  + this.logger.warn(`Skipped page ${page.data.url} (source file is empty)`);
  return false;
  }
  