unmount function
void
unmount(
- dynamic instanceOrContainerNode
Unmounts a React component.
instanceOrContainerNode
can be a ReactComponent
/Element React instance,
or an Element container node (argument to react_dom.render
).
For convenience, this method does nothing if instanceOrContainerNode
is null,
or if it's a non-mounted React instance.
Implementation
void unmount(dynamic instanceOrContainerNode) {
if (instanceOrContainerNode == null) return;
final Element? containerNode;
if (instanceOrContainerNode is Element) {
containerNode = instanceOrContainerNode;
} else if (
react_test_utils.isCompositeComponent(instanceOrContainerNode) ||
react_test_utils.isDOMComponent(instanceOrContainerNode)
) {
try {
containerNode = findDomNode(instanceOrContainerNode)?.parent;
} catch (e) {
return;
}
} else {
throw ArgumentError(
'`instanceOrNode` must be null, a ReactComponent instance, or an Element. Was: $instanceOrContainerNode.'
);
}
if (containerNode != null) react_dom.unmountComponentAtNode(containerNode);
}