willDetachRenderer method
A render object previously associated with this Node will be / has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderer.
Implementation
@override
@mustCallSuper
void willDetachRenderer() {
// The node detach may affect the whitespace of the nextSibling and previousSibling text node so prev and next node require layout.
if (renderer is RenderBoxModel) {
(renderer as RenderBoxModel).markAdjacentRenderParagraphNeedsLayout();
}
}