getChapterDataByChapterId method Null safety

Result getChapterDataByChapterId(
  1. String chapterId,
  2. ChapterData chapters
)

Implementation

Result getChapterDataByChapterId(String chapterId, ChapterData chapters) {
  for (var i = 0; i < chapters.result.length; i++) {
    if (chapters.result[i].data.id == chapterId) {
      return chapters.result[i];
    } else {
      print('Chapter data using ID $chapterId not found');
    }
  }
  return chapters.result[0];
}