performRebuild method

@override void performRebuild()

Cause the component to update itself.

Called by BuildOwner after the appropriate checks have been made.

Implementation

@override
void performRebuild() {
  assert(_debugSetAllowIgnoredCallsToMarkNeedsBuild(true));
  Component? built;
  try {
    assert(() {
      _debugDoingBuild = true;
      return true;
    }());
    built = build();
    assert(() {
      _debugDoingBuild = false;
      return true;
    }());
  } catch (e, st) {
    _debugDoingBuild = false;
    // TODO: implement actual error component
    built = DomComponent(
      tag: 'div',
      child: Text("Error on building component: $e"),
    );
    print('Error: $e $st');
  } finally {
    _dirty = false;
    assert(_debugSetAllowIgnoredCallsToMarkNeedsBuild(false));
  }

  _child = updateChild(_child, built, null);
}