fix(core): Use AbortController to notify nodes to abort execution (#6141)

and add support for cancelling ongoing operations inside a node.

---------
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>

packages/workflow/src/Interfaces.ts

@@ -422,6 +422,7 @@ export interface IGetExecuteFunctions {
 		additionalData: IWorkflowExecuteAdditionalData,
 		executeData: IExecuteData,
 		mode: WorkflowExecuteMode,
+		abortSignal?: AbortSignal,
 	): IExecuteFunctions;
 }
 
@@ -437,6 +438,7 @@ export interface IGetExecuteSingleFunctions {
 		additionalData: IWorkflowExecuteAdditionalData,
 		executeData: IExecuteData,
 		mode: WorkflowExecuteMode,
+		abortSignal?: AbortSignal,
 	): IExecuteSingleFunctions;
 }
 
@@ -776,6 +778,8 @@ type BaseExecutionFunctions = FunctionsBaseWithRequiredKeys<'getMode'> & {
 	getExecuteData(): IExecuteData;
 	getWorkflowDataProxy(itemIndex: number): IWorkflowDataProxyData;
 	getInputSourceData(inputIndex?: number, inputName?: string): ISourceData;
+	getExecutionCancelSignal(): AbortSignal | undefined;
+	onExecutionCancellation(handler: () => unknown): void;
 };
 
 // TODO: Create later own type only for Config-Nodes

packages/workflow/src/RoutingNode.ts

@@ -79,6 +79,7 @@ export class RoutingNode {
 		executeData: IExecuteData,
 		nodeExecuteFunctions: INodeExecuteFunctions,
 		credentialsDecrypted?: ICredentialsDecrypted,
+		abortSignal?: AbortSignal,
 	): Promise<INodeExecutionData[][] | null | undefined> {
 		const items = inputData.main[0] as INodeExecutionData[];
 		const returnData: INodeExecutionData[] = [];
@@ -99,6 +100,7 @@ export class RoutingNode {
 			this.additionalData,
 			executeData,
 			this.mode,
+			abortSignal,
 		);
 
 		let credentials: ICredentialDataDecryptedObject | undefined;
@@ -136,6 +138,7 @@ export class RoutingNode {
 					this.additionalData,
 					executeData,
 					this.mode,
+					abortSignal,
 				);
 				const requestData: DeclarativeRestApiSettings.ResultOptions = {
 					options: {

packages/workflow/src/Workflow.ts

@@ -1216,6 +1216,7 @@ export class Workflow {
 		additionalData: IWorkflowExecuteAdditionalData,
 		nodeExecuteFunctions: INodeExecuteFunctions,
 		mode: WorkflowExecuteMode,
+		abortSignal?: AbortSignal,
 	): Promise<IRunNodeResponse> {
 		const { node } = executionData;
 		let inputData = executionData.data;
@@ -1303,6 +1304,7 @@ export class Workflow {
 				additionalData,
 				executionData,
 				mode,
+				abortSignal,
 			);
 			const data =
 				nodeType instanceof Node
@@ -1385,6 +1387,8 @@ export class Workflow {
 					nodeType,
 					executionData,
 					nodeExecuteFunctions,
+					undefined,
+					abortSignal,
 				),
 			};
 		}