getLastChapterNumber static method

int? getLastChapterNumber(
  1. dynamic book
)

Returns the number for the last chapter within a book.

Implementation

static int? getLastChapterNumber(dynamic book) {
  if (book is String) {
    book = findBookNumber(book);
  }
  if (book is! int) {
    return null;
  }
  if (book > BibleData.lastVerse.length) {
    return null;
  }
  return BibleData.lastVerse[book - 1].length;
}