Method closeNode

frontend/layout/lib/layoutModel.ts:1285–1312

* Close a given node and update the tree state. * @param nodeId The id of the node that is being closed.

(nodeId: string)

     * @param nodeId The id of the node that is being closed.
     */
    async closeNode(nodeId: string) {
        const nodeToDelete = findNode(this.treeState.rootNode, nodeId);
        if (!nodeToDelete) {
            // TODO: clean up the ephemeral node handling
            // The ephemeral node is not in the tree, so we need to handle it separately.
            const ephemeralNode = this.getter(this.ephemeralNode);
            if (ephemeralNode?.id === nodeId) {
                this.setter(this.ephemeralNode, undefined);
                this.treeState.focusedNodeId = undefined;
                this.updateTree(false);
                this.setter(this.localTreeStateAtom, { ...this.treeState });
                this.persistToBackend();
                await this.onNodeDelete?.(ephemeralNode.data);
                return;
            }
            console.error("unable to close node, cannot find it in tree", nodeId);
            return;
        }
        if (nodeId === this.magnifiedNodeId) {
            this.magnifyNodeToggle(nodeId);
        }
        const deleteAction: LayoutTreeDeleteNodeAction = {
            type: LayoutTreeActionType.DeleteNode,
            nodeId: nodeId,
        };
        this.treeReducer(deleteAction);
        await this.onNodeDelete?.(nodeToDelete.data);
    }

    /**
     * Shorthand function for closing the focused node in a layout.