fix(EmailReadImap Node): Fix issue that crashed process if node was configured wrong (#3079)

* 🐛 Fix issue that IMAP node can crash n8n

* 👕 Fix lint issue

packages/workflow/src/Interfaces.ts

@@ -683,6 +683,7 @@ export interface ITriggerFunctions {
 		data: INodeExecutionData[][],
 		responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>,
 	): void;
+	emitError(error: Error, responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>): void;
 	getCredentials(type: string): Promise<ICredentialDataDecryptedObject | undefined>;
 	getMode(): WorkflowExecuteMode;
 	getActivationMode(): WorkflowActivateMode;

packages/workflow/src/Workflow.ts

@@ -949,7 +949,7 @@ export class Workflow {
 			const triggerResponse = await nodeType.trigger.call(triggerFunctions);
 
 			// Add the manual trigger response which resolves when the first time data got emitted
-			triggerResponse!.manualTriggerResponse = new Promise((resolve) => {
+			triggerResponse!.manualTriggerResponse = new Promise((resolve, reject) => {
 				triggerFunctions.emit = (
 					(resolveEmit) =>
 					(
@@ -967,6 +967,20 @@ export class Workflow {
 						resolveEmit(data);
 					}
 				)(resolve);
+				triggerFunctions.emitError = (
+					(rejectEmit) =>
+					(error: Error, responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>) => {
+						additionalData.hooks!.hookFunctions.sendResponse = [
+							async (): Promise<void> => {
+								if (responsePromise) {
+									responsePromise.reject(error);
+								}
+							},
+						];
+
+						rejectEmit(error);
+					}
+				)(reject);
 			});
 
 			return triggerResponse;