/**
* A node is "valid" if it is contained by a currently mounted container.
*
* This means that the node does not have to be contained by a document in
* order to be considered valid.
*
* @param {?DOMElement} node The candidate DOM node.
* @param {string} id The expected ID of the node.
* @return {boolean} Whether the node is contained by a mounted container.
*/
function isValid(node, id) {
if (node) {
invariant(
internalGetID(node) === id,
'ReactMount: Unexpected modification of `%s`',
ATTR_NAME
);
var container = ReactMount.findReactContainerForID(id);
if (container && nodeContains(container, node)) {
return true;
}
}
return false;
}
function isInDocument(node) {
return nodeContains(document.documentElement, node);
}