-const receiveNodes = (nodes: Array<TreePickerNode>) => (parent: string) => (state: Tree<TreePickerNode>) =>
- nodes.reduce((tree, node) =>
- setNode(
- createTreeNode(parent)(node)
- )(tree), state);
+const receiveNodes = (nodes: Array<TreePickerNode>) => (parent: string) => (state: Tree<TreePickerNode>) => {
+ const parentNode = getNode(parent)(state);
+ let newState = state;
+ if (parentNode) {
+ newState = setNode({ ...parentNode, children: [] })(state);
+ }
+ return nodes.reduce((tree, node) => {
+ const oldNode = getNode(node.nodeId)(state) || { value: {} };
+ const newNode = createTreeNode(parent)(node);
+ const value = { ...oldNode.value, ...newNode.value };
+ return setNode({ ...newNode, value })(tree);
+ }, newState);
+};