Function swapNode

frontend/layout/lib/layoutTree.ts:323–352

(layoutState: LayoutTreeState, action: LayoutTreeSwapNodeAction)

}

export function swapNode(layoutState: LayoutTreeState, action: LayoutTreeSwapNodeAction) {
    if (!action.node1Id || !action.node2Id) {
        console.error("invalid swapNode action, both node1 and node2 must be defined");
        return;
    }

    if (action.node1Id === layoutState.rootNode.id || action.node2Id === layoutState.rootNode.id) {
        console.error("invalid swapNode action, the root node cannot be swapped");
        return;
    }
    if (action.node1Id === action.node2Id) {
        console.error("invalid swapNode action, node1 and node2 are equal");
        return;
    }

    const parentNode1 = findParent(layoutState.rootNode, action.node1Id);
    const parentNode2 = findParent(layoutState.rootNode, action.node2Id);
    const parentNode1Index = parentNode1.children!.findIndex((child) => child.id === action.node1Id);
    const parentNode2Index = parentNode2.children!.findIndex((child) => child.id === action.node2Id);

    const node1 = parentNode1.children![parentNode1Index];
    const node2 = parentNode2.children![parentNode2Index];

    const node1Size = node1.size;
    node1.size = node2.size;
    node2.size = node1Size;

    parentNode1.children[parentNode1Index] = node2;
    parentNode2.children[parentNode2Index] = node1;
}

export function deleteNode(layoutState: LayoutTreeState, action: LayoutTreeDeleteNodeAction) {
    if (!action?.nodeId) {