import { IDataObject, INodeExecutionData } from 'n8n-workflow'; /** * Returns of copy of the items which only contains the json data and * of that only the define properties * * @param {INodeExecutionData[]} items The items to copy * @param {string[]} properties The properties it should include */ export function copyInputItems(items: INodeExecutionData[], properties: string[]): IDataObject[] { // Prepare the data to insert and copy it to be returned let newItem: IDataObject; return items.map((item) => { newItem = {}; for (const property of properties) { if (item.json[property] === undefined) { newItem[property] = null; } else { newItem[property] = JSON.parse(JSON.stringify(item.json[property])); } } return newItem; }); }