feat(core): Improvements/overhaul for nodes working with binary data (#7651)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/nodes/Files/ConvertToFile/actions/spreadsheet.operation.ts

@@ -0,0 +1,126 @@
+import {
+	NodeOperationError,
+	type IExecuteFunctions,
+	type INodeExecutionData,
+	type INodeProperties,
+} from 'n8n-workflow';
+
+import { generatePairedItemData, updateDisplayOptions } from '@utils/utilities';
+import type { JsonToSpreadsheetBinaryOptions, JsonToSpreadsheetBinaryFormat } from '@utils/binary';
+
+import { convertJsonToSpreadsheetBinary } from '@utils/binary';
+
+export const operations = ['csv', 'html', 'rtf', 'ods', 'xls', 'xlsx'];
+
+export const properties: INodeProperties[] = [
+	{
+		displayName: 'Put Output File in Field',
+		name: 'binaryPropertyName',
+		type: 'string',
+		default: 'data',
+		required: true,
+		placeholder: 'e.g data',
+		hint: 'The name of the output binary field to put the file in',
+	},
+	{
+		displayName: 'Options',
+		name: 'options',
+		type: 'collection',
+		placeholder: 'Add Option',
+		default: {},
+		options: [
+			{
+				displayName: 'Compression',
+				name: 'compression',
+				type: 'boolean',
+				displayOptions: {
+					show: {
+						'/operation': ['xlsx', 'ods'],
+					},
+				},
+				default: false,
+				description: 'Whether to reduce the output file size',
+			},
+			{
+				displayName: 'File Name',
+				name: 'fileName',
+				type: 'string',
+				default: '',
+				description: 'Name of the output file',
+			},
+			{
+				displayName: 'Header Row',
+				name: 'headerRow',
+				type: 'boolean',
+				default: true,
+				description: 'Whether the first row of the file contains the header names',
+			},
+			{
+				displayName: 'Sheet Name',
+				name: 'sheetName',
+				type: 'string',
+				displayOptions: {
+					show: {
+						'/operation': ['ods', 'xls', 'xlsx'],
+					},
+				},
+				default: 'Sheet',
+				description: 'Name of the sheet to create in the spreadsheet',
+				placeholder: 'e.g. mySheet',
+			},
+		],
+	},
+];
+
+const displayOptions = {
+	show: {
+		operation: operations,
+	},
+};
+
+export const description = updateDisplayOptions(displayOptions, properties);
+
+export async function execute(
+	this: IExecuteFunctions,
+	items: INodeExecutionData[],
+	operation: string,
+) {
+	let returnData: INodeExecutionData[] = [];
+
+	const pairedItem = generatePairedItemData(items.length);
+	try {
+		const options = this.getNodeParameter('options', 0, {}) as JsonToSpreadsheetBinaryOptions;
+		const binaryPropertyName = this.getNodeParameter('binaryPropertyName', 0, 'data');
+
+		const binaryData = await convertJsonToSpreadsheetBinary.call(
+			this,
+			items,
+			operation as JsonToSpreadsheetBinaryFormat,
+			options,
+			'File',
+		);
+
+		const newItem: INodeExecutionData = {
+			json: {},
+			binary: {
+				[binaryPropertyName]: binaryData,
+			},
+			pairedItem,
+		};
+
+		returnData = [newItem];
+	} catch (error) {
+		if (this.continueOnFail()) {
+			returnData.push({
+				json: {
+					error: error.message,
+				},
+				pairedItem,
+			});
+		} else {
+			throw new NodeOperationError(this.getNode(), error);
+		}
+	}
+
+	return returnData;
+}