refactor(core): Move copyInputItems to node helpers (no-changelog)

packages/core/src/NodeExecuteFunctions.ts

@@ -2709,6 +2709,24 @@ const getBinaryHelperFunctions = (
 	},
 });
 
+/**
+ * Returns a copy of the items which only contains the json data and
+ * of that only the defined properties
+ */
+export function copyInputItems(items: INodeExecutionData[], properties: string[]): IDataObject[] {
+	return items.map((item) => {
+		const newItem: IDataObject = {};
+		for (const property of properties) {
+			if (item.json[property] === undefined) {
+				newItem[property] = null;
+			} else {
+				newItem[property] = deepCopy(item.json[property]);
+			}
+		}
+		return newItem;
+	});
+}
+
 /**
  * Returns the execute functions the poll nodes have access to.
  */
@@ -3239,6 +3257,7 @@ export function getExecuteFunctions(
 			},
 			helpers: {
 				createDeferredPromise,
+				copyInputItems,
 				...getRequestHelperFunctions(workflow, node, additionalData),
 				...getFileSystemHelperFunctions(node),
 				...getBinaryHelperFunctions(additionalData, workflow.id),

packages/core/test/NodeExecuteFunctions.test.ts

@@ -1,4 +1,5 @@
 import {
+	copyInputItems,
 	getBinaryDataBuffer,
 	parseIncomingMessage,
 	proxyRequestToAxios,
@@ -297,4 +298,52 @@ describe('NodeExecuteFunctions', () => {
 			]);
 		});
 	});
+
+	describe('copyInputItems', () => {
+		it('should pick only selected properties', () => {
+			const output = copyInputItems(
+				[
+					{
+						json: {
+							a: 1,
+							b: true,
+							c: {},
+						},
+					},
+				],
+				['a'],
+			);
+			expect(output).toEqual([{ a: 1 }]);
+		});
+
+		it('should convert undefined to null', () => {
+			const output = copyInputItems(
+				[
+					{
+						json: {
+							a: undefined,
+						},
+					},
+				],
+				['a'],
+			);
+			expect(output).toEqual([{ a: null }]);
+		});
+
+		it('should clone objects', () => {
+			const input = {
+				a: { b: 5 },
+			};
+			const output = copyInputItems(
+				[
+					{
+						json: input,
+					},
+				],
+				['a'],
+			);
+			expect(output[0].a).toEqual(input.a);
+			expect(output[0].a === input.a).toEqual(false);
+		});
+	});
 });

packages/nodes-base/nodes/MySql/v1/GenericFunctions.ts

@@ -2,35 +2,10 @@ import type {
 	ICredentialDataDecryptedObject,
 	IDataObject,
 	ILoadOptionsFunctions,
-	INodeExecutionData,
 	INodeListSearchResult,
 } from 'n8n-workflow';
-import { deepCopy } from 'n8n-workflow';
 import mysql2 from 'mysql2/promise';
 
-/**
- * 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] = deepCopy(item.json[property]);
-			}
-		}
-		return newItem;
-	});
-}
-
 export async function createConnection(
 	credentials: ICredentialDataDecryptedObject,
 ): Promise<mysql2.Connection> {

packages/nodes-base/nodes/MySql/v1/MySqlV1.node.ts

@@ -15,7 +15,7 @@ import { NodeOperationError } from 'n8n-workflow';
 
 import type mysql2 from 'mysql2/promise';
 
-import { copyInputItems, createConnection, searchTables } from './GenericFunctions';
+import { createConnection, searchTables } from './GenericFunctions';
 
 import { oldVersionNotice } from '@utils/descriptions';
 
@@ -344,7 +344,7 @@ export class MySqlV1 implements INodeType {
 				const table = this.getNodeParameter('table', 0, '', { extractValue: true }) as string;
 				const columnString = this.getNodeParameter('columns', 0) as string;
 				const columns = columnString.split(',').map((column) => column.trim());
-				const insertItems = copyInputItems(items, columns);
+				const insertItems = this.helpers.copyInputItems(items, columns);
 				const insertPlaceholder = `(${columns.map((_column) => '?').join(',')})`;
 				const options = this.getNodeParameter('options', 0);
 				const insertIgnore = options.ignore as boolean;
@@ -387,7 +387,7 @@ export class MySqlV1 implements INodeType {
 					columns.unshift(updateKey);
 				}
 
-				const updateItems = copyInputItems(items, columns);
+				const updateItems = this.helpers.copyInputItems(items, columns);
 				const updateSQL = `UPDATE ${table} SET ${columns
 					.map((column) => `${column} = ?`)
 					.join(',')} WHERE ${updateKey} = ?;`;

packages/nodes-base/nodes/MySql/v2/actions/database/insert.operation.ts

@@ -16,7 +16,7 @@ import { AUTO_MAP, BATCH_MODE, DATA_MODE } from '../../helpers/interfaces';
 
 import { updateDisplayOptions } from '@utils/utilities';
 
-import { copyInputItems, replaceEmptyStringsByNulls } from '../../helpers/utils';
+import { replaceEmptyStringsByNulls } from '../../helpers/utils';
 
 import { optionsCollection } from '../common.descriptions';
 
@@ -146,7 +146,7 @@ export async function execute(
 					}, [] as string[]),
 				),
 			];
-			insertItems = copyInputItems(items, columns);
+			insertItems = this.helpers.copyInputItems(items, columns);
 		}
 
 		if (dataMode === DATA_MODE.MANUAL) {

packages/nodes-base/nodes/MySql/v2/helpers/utils.ts

@@ -7,7 +7,7 @@ import type {
 	NodeExecutionWithMetadata,
 } from 'n8n-workflow';
 
-import { NodeOperationError, deepCopy } from 'n8n-workflow';
+import { NodeOperationError } from 'n8n-workflow';
 
 import type {
 	Mysql2Pool,
@@ -20,22 +20,6 @@ import type {
 
 import { BATCH_MODE } from './interfaces';
 
-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] = deepCopy(item.json[property]);
-			}
-		}
-		return newItem;
-	});
-}
-
 export const prepareQueryAndReplacements = (rawQuery: string, replacements?: QueryValues) => {
 	if (replacements === undefined) {
 		return { query: rawQuery, values: [] };

packages/nodes-base/nodes/Snowflake/GenericFunctions.ts

@@ -1,31 +1,14 @@
-import type { IDataObject, INodeExecutionData } from 'n8n-workflow';
-import { deepCopy } from 'n8n-workflow';
-
 import type snowflake from 'snowflake-sdk';
 
 export async function connect(conn: snowflake.Connection) {
-	return new Promise((resolve, reject) => {
-		conn.connect((err, _conn) => {
-			if (!err) {
-				// @ts-ignore
-				resolve();
-			} else {
-				reject(err);
-			}
-		});
+	return new Promise<void>((resolve, reject) => {
+		conn.connect((error) => (error ? reject(error) : resolve()));
 	});
 }
 
 export async function destroy(conn: snowflake.Connection) {
-	return new Promise((resolve, reject) => {
-		conn.destroy((err, _conn) => {
-			if (!err) {
-				// @ts-ignore
-				resolve();
-			} else {
-				reject(err);
-			}
-		});
+	return new Promise<void>((resolve, reject) => {
+		conn.destroy((error) => (error ? reject(error) : resolve()));
 	});
 }
 
@@ -34,33 +17,11 @@ export async function execute(
 	sqlText: string,
 	binds: snowflake.InsertBinds,
 ) {
-	return new Promise((resolve, reject) => {
+	return new Promise<any[] | undefined>((resolve, reject) => {
 		conn.execute({
 			sqlText,
 			binds,
-			complete: (err, stmt, rows) => {
-				if (!err) {
-					resolve(rows);
-				} else {
-					reject(err);
-				}
-			},
+			complete: (error, stmt, rows) => (error ? reject(error) : resolve(rows)),
 		});
 	});
 }
-
-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] = deepCopy(item.json[property]);
-			}
-		}
-		return newItem;
-	});
-}

packages/nodes-base/nodes/Snowflake/Snowflake.node.ts

@@ -6,7 +6,7 @@ import type {
 	INodeTypeDescription,
 } from 'n8n-workflow';
 
-import { connect, copyInputItems, destroy, execute } from './GenericFunctions';
+import { connect, destroy, execute } from './GenericFunctions';
 
 import snowflake from 'snowflake-sdk';
 import { getResolvables } from '@utils/utilities';
@@ -207,7 +207,7 @@ export class Snowflake implements INodeType {
 			const query = `INSERT INTO ${table}(${columns.join(',')}) VALUES (${columns
 				.map((_column) => '?')
 				.join(',')})`;
-			const data = copyInputItems(items, columns);
+			const data = this.helpers.copyInputItems(items, columns);
 			const binds = data.map((element) => Object.values(element));
 			await execute(connection, query, binds as unknown as snowflake.InsertBinds);
 			data.forEach((d, i) => {
@@ -236,7 +236,7 @@ export class Snowflake implements INodeType {
 			const query = `UPDATE ${table} SET ${columns
 				.map((column) => `${column} = ?`)
 				.join(',')} WHERE ${updateKey} = ?;`;
-			const data = copyInputItems(items, columns);
+			const data = this.helpers.copyInputItems(items, columns);
 			const binds = data.map((element) => Object.values(element).concat(element[updateKey]));
 			for (let i = 0; i < binds.length; i++) {
 				await execute(connection, query, binds[i] as unknown as snowflake.InsertBinds);

packages/workflow/src/Interfaces.ts

@@ -806,6 +806,7 @@ export type IExecuteFunctions = ExecuteFunctions.GetNodeParameterFn &
 				): NodeExecutionWithMetadata[];
 				assertBinaryData(itemIndex: number, propertyName: string): IBinaryData;
 				getBinaryDataBuffer(itemIndex: number, propertyName: string): Promise<Buffer>;
+				copyInputItems(items: INodeExecutionData[], properties: string[]): IDataObject[];
 			};
 	};