pages method

@override void pages(Book book)

parse pages in book and put them all in it

Implementation

@override
void pages(Book book) {
  final summary = book.summary;
  final all = <String, BookPage>{};
  summary.walk((article) {
    final path = article.path;
    if (path != null) {
      all[path] = BookPage(filename: path);
    } else {
      logger.w("path of article '${article.title}' is null!");
    }
  });
  book.pages
    ..clear()
    ..addAll(all);
}