of static method
从当前上下文访问 ElOverlayState 实例
Implementation
static ElOverlayState of(BuildContext context, {bool rootOverlay = false}) {
final result = rootOverlay
? state
: context
.getInheritedWidgetOfExactType<_ElOverlayInheritedWidget>()
?.state;
assert(result != null, '当前上下文 context 没有找到 ElOverlay 实例');
return result!;
}