Add Webhook response node (#2254)

* ✨ Add Webhook-Response-Node

* ⚡ Replace callback function with promise

* ✨ Add support for Bull and binary-data

* ✨ Add string response option

* ⚡ Remove some comments

* ✨ Make more generically possible & fix issue multi call in
queue mode

* ⚡ Fix startup and eslint issues

* ⚡ Improvements to webhook response node and functionality

* ⚡ Replace data with more generic type

* ⚡ Make statusMessage optional

* ⚡ Change parameter order

* ⚡ Move Response Code underneath options

* ⚡ Hide Response Code on Webhook node if mode responseNode got selected

* ⚡ Minor improvements

* ⚡ Add missing file and fix lint issue

* ⚡ Fix some node linting issues

* ⚡ Apply feedback

* ⚡ Minor improvements

packages/cli/src/WorkflowRunnerProcess.ts

@@ -10,6 +10,7 @@ import { IProcessMessage, UserSettings, WorkflowExecute } from 'n8n-core';
 import {
 	ExecutionError,
 	IDataObject,
+	IExecuteResponsePromiseData,
 	IExecuteWorkflowInfo,
 	ILogger,
 	INodeExecutionData,
@@ -33,6 +34,7 @@ import {
 	IWorkflowExecuteProcess,
 	IWorkflowExecutionDataProcessWithExecution,
 	NodeTypes,
+	WebhookHelpers,
 	WorkflowExecuteAdditionalData,
 	WorkflowHelpers,
 } from '.';
@@ -200,6 +202,15 @@ export class WorkflowRunnerProcess {
 			workflowTimeout <= 0 ? undefined : Date.now() + workflowTimeout * 1000,
 		);
 		additionalData.hooks = this.getProcessForwardHooks();
+
+		additionalData.hooks.hookFunctions.sendResponse = [
+			async (response: IExecuteResponsePromiseData): Promise<void> => {
+				await sendToParentProcess('sendResponse', {
+					response: WebhookHelpers.encodeWebhookResponse(response),
+				});
+			},
+		];
+
 		additionalData.executionId = inputData.executionId;
 
 		// eslint-disable-next-line @typescript-eslint/no-explicit-any