getContent method

String getContent([
  1. int start = 0,
  2. int? end
])

Build a page from html, CollectionStyle.all is defined CSS inside html _data will collect all generated tag from model ReceiptText, ReceiptTextLeftRight and ReceiptLine

Implementation

String getContent([int start = 0, int? end]) {
  final String data =
      _data.isNotEmpty ? _data.sublist(start, end).join() : '';
  return data;
}