Remove executeSingle from WriteBinaryFile node

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

@@ -1,6 +1,7 @@
 import {
 	BINARY_ENCODING,
-	IExecuteSingleFunctions,
+	IExecuteFunctions,
+	IExecuteSingleFunctions
 } from 'n8n-core';
 import {
 	IDataObject,
@@ -53,11 +54,21 @@ export class WriteBinaryFile implements INodeType {
 	};
 
 
-	async executeSingle(this: IExecuteSingleFunctions): Promise<INodeExecutionData> {
-		const item = this.getInputData();
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
 				
-		const dataPropertyName = this.getNodeParameter('dataPropertyName') as string;
-		const fileName = this.getNodeParameter('fileName') as string;
+		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++) {
+
+			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 Error('No binary data set. So file can not be written!');
@@ -84,8 +95,12 @@ export class WriteBinaryFile implements INodeType {
 			}
 
 			// Add the file name to data
+			
 			(newItem.json as IDataObject).fileName = fileName;
 
-		return newItem;
+			returnData.push(newItem);
 		}
+		return this.prepareOutputData(returnData);
+	}
+
 }