list method

List<String>? list(
  1. String key
)

comma separated: a, b,c is ['a', 'b', 'c']. Empty items are dropped.

Implementation

List<String>? list(String key) {
  String? value = raw(key);
  if (value == null) return null;
  List<String> result = <String>[];
  for (String item in value.split(',')) {
    String text = item.trim();
    if (text.isNotEmpty) result.add(text);
  }
  return result;
}