resizeObserver property

ResizeObserver resizeObserver

Implementation

late final resizeObserver = ResizeObserver((entries, observer) {
  for (final entry in entries) {
    if (entry.contentRect is DomRectReadOnly) {
      final cr = entry.contentRect;
      final height = cr.height;
      setState(() {
        this.height = height;
        _divElement.style.height = '${height}px';
      });
    }
  }
});