chore: Enfore consistent file-name casing on all backend packages (#15755)

packages/workflow/src/metadata-utils.ts

@@ -0,0 +1,34 @@
+import type { ITaskMetadata } from '.';
+import { hasKey } from './utils';
+
+function responseHasSubworkflowData(
+	response: unknown,
+): response is { executionId: string; workflowId: string } {
+	return ['executionId', 'workflowId'].every(
+		(x) => hasKey(response, x) && typeof response[x] === 'string',
+	);
+}
+
+type ISubWorkflowMetadata = Required<Pick<ITaskMetadata, 'subExecution' | 'subExecutionsCount'>>;
+
+function parseErrorResponseWorkflowMetadata(response: unknown): ISubWorkflowMetadata | undefined {
+	if (!responseHasSubworkflowData(response)) return undefined;
+
+	return {
+		subExecution: {
+			executionId: response.executionId,
+			workflowId: response.workflowId,
+		},
+		subExecutionsCount: 1,
+	};
+}
+
+export function parseErrorMetadata(error: unknown): ISubWorkflowMetadata | undefined {
+	if (hasKey(error, 'errorResponse')) {
+		return parseErrorResponseWorkflowMetadata(error.errorResponse);
+	}
+
+	// This accounts for cases where the backend attaches the properties on plain errors
+	// e.g. from custom nodes throwing literal `Error` or `ApplicationError` objects directly
+	return parseErrorResponseWorkflowMetadata(error);
+}