How to use the rc-tree/lib/util.conductExpandParent function in rc-tree
To help you get started, we’ve selected a few rc-tree examples, based on popular ways it is used in public projects.
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ant-design / ant-design / components / tree / DirectoryTree.tsx View on Github 
expandedKeys,
defaultExpandedKeys,
children,
} = props;
const { keyEntities } = convertTreeToEntities(children);
// Selected keys
this.state = {
selectedKeys: props.selectedKeys || props.defaultSelectedKeys || [],
};
// Expanded keys
if (defaultExpandAll) {
this.state.expandedKeys = getFullKeyList(props.children);
} else if (defaultExpandParent) {
this.state.expandedKeys = conductExpandParent(
expandedKeys || defaultExpandedKeys,
keyEntities,
);
} else {
this.state.expandedKeys = expandedKeys || defaultExpandedKeys;
}
this.onDebounceExpand = debounce(this.expandFolderNode, 200, {
leading: true,
});
}
