echoAllStyleClass function

Implementation

String echoAllStyleClass(List<StyleElement> list) {
  var map = <int, List<_StyleElementWithPathName>>{};
  var resultList = _getAllStyleElementWithPathName(list);

  resultList
      .where((element) => element.styleElement.width != null)
      .toList()
      .forEach((element) {
        element.styleElement.width?.keys.forEach((width) {
          if (!map.containsKey(width)) {
            map[width] = <_StyleElementWithPathName>[];
          }

          map[width]!.add(element);
        });
      });

  var keys = map.keys.toList();
  keys.sort();
  // ,
  return [
    _mergeEchoStyle(
      resultList.where((e) => e.styleElement.style != null).toList(),
    ),
    keys.reversed
        .map(
          (width) => [
            '@media screen and (max-width: ${width}px) {\n',
            _mergeEchoStyle(map[width]!, width),
            '}\n',
          ].join(),
        )
        .toList()
        .join('\n'),
  ].join('\n');
}