🚚 Directorize all nodes

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

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+import {
+	IExecuteFunctions,
+} from 'n8n-core';
+import {
+	IDataObject,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+	NodeOperationError,
+} from 'n8n-workflow';
+
+import {
+	writeFile as fsWriteFile,
+} from 'fs/promises';
+
+
+export class WriteBinaryFile implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Write Binary File',
+		name: 'writeBinaryFile',
+		icon: 'fa:file-export',
+		group: ['output'],
+		version: 1,
+		description: 'Writes a binary file to disk',
+		defaults: {
+			name: 'Write Binary File',
+			color: '#CC2233',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		properties: [
+			{
+				displayName: 'File Name',
+				name: 'fileName',
+				type: 'string',
+				default: '',
+				required: true,
+				placeholder: '/data/example.jpg',
+				description: 'Path to which the file should be written.',
+			},
+			{
+				displayName: 'Property Name',
+				name: 'dataPropertyName',
+				type: 'string',
+				default: 'data',
+				required: true,
+				description: 'Name of the binary property which contains the data for the file to be written.',
+			},
+		],
+	};
+
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+
+		const items = this.getInputData();
+
+		const returnData: INodeExecutionData[] = [];
+		const length = items.length as unknown as number;
+		let item: INodeExecutionData;
+
+		for (let itemIndex = 0; itemIndex < length; itemIndex++) {
+			try {
+				const dataPropertyName = this.getNodeParameter('dataPropertyName', itemIndex) as string;
+
+				const fileName = this.getNodeParameter('fileName', itemIndex) as string;
+
+				item = items[itemIndex];
+
+				if (item.binary === undefined) {
+					throw new NodeOperationError(this.getNode(), 'No binary data set. So file can not be written!');
+				}
+
+				if (item.binary[dataPropertyName] === undefined) {
+					throw new NodeOperationError(this.getNode(), `The binary property "${dataPropertyName}" does not exist. So no file can be written!`);
+				}
+
+				const newItem: INodeExecutionData = {
+					json: {},
+				};
+				Object.assign(newItem.json, item.json);
+
+				const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(itemIndex, dataPropertyName);
+
+				// Write the file to disk
+				await fsWriteFile(fileName, binaryDataBuffer, 'binary');
+
+				if (item.binary !== undefined) {
+					// Create a shallow copy of the binary data so that the old
+					// data references which do not get changed still stay behind
+					// but the incoming data does not get changed.
+					newItem.binary = {};
+					Object.assign(newItem.binary, item.binary);
+				}
+
+				// Add the file name to data
+
+				(newItem.json as IDataObject).fileName = fileName;
+
+				returnData.push(newItem);
+
+			} catch (error) {
+				if (this.continueOnFail()) {
+					returnData.push({ json: { error: error.message } });
+					continue;
+				}
+				throw error;
+			}
+		}
+		return this.prepareOutputData(returnData);
+	}
+
+}