Method onChildrenChange

packages/designer/src/document/node/node.ts:1163–1166

(fn: (param?: { type: string; node: INode }) => void)

  }

  onChildrenChange(fn: (param?: { type: string; node: INode }) => void): IPublicTypeDisposable | undefined {
    const wrappedFunc = wrapWithEventSwitch(fn);
    return this.children?.onChange(wrappedFunc);
  }

  mergeChildren(
    remover: (node: INode, idx: number) => any,