feat(Simulate Node): New node (no-changelog) (#9109)

packages/nodes-base/nodes/Simulate/SimulateTrigger.node.ts

@@ -0,0 +1,79 @@
+import { sleep, NodeOperationError, jsonParse } from 'n8n-workflow';
+import type {
+	IDataObject,
+	ITriggerFunctions,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+	ITriggerResponse,
+} from 'n8n-workflow';
+import {
+	executionDurationProperty,
+	iconSelector,
+	jsonOutputProperty,
+	subtitleProperty,
+} from './descriptions';
+import { loadOptions } from './methods';
+
+export class SimulateTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		hidden: true,
+		displayName: 'Simulate Trigger',
+		name: 'simulateTrigger',
+		subtitle: '={{$parameter.subtitle || undefined}}',
+		icon: 'fa:arrow-right',
+		group: ['trigger'],
+		version: 1,
+		description: 'Simulate a trigger node',
+		defaults: {
+			name: 'Simulate Trigger',
+			color: '#b0b0b0',
+		},
+		inputs: [],
+		outputs: ['main'],
+		properties: [
+			{ ...iconSelector, default: 'n8n-nodes-base.manualTrigger' },
+			subtitleProperty,
+			{ ...jsonOutputProperty, displayName: 'Output (JSON)' },
+			executionDurationProperty,
+		],
+	};
+
+	methods = { loadOptions };
+
+	async trigger(this: ITriggerFunctions): Promise<ITriggerResponse> {
+		const returnItems: INodeExecutionData[] = [];
+
+		let jsonOutput = this.getNodeParameter('jsonOutput', 0);
+
+		if (typeof jsonOutput === 'string') {
+			try {
+				jsonOutput = jsonParse<IDataObject>(jsonOutput);
+			} catch (error) {
+				throw new NodeOperationError(this.getNode(), 'Invalid JSON');
+			}
+		}
+
+		if (!Array.isArray(jsonOutput)) {
+			jsonOutput = [jsonOutput];
+		}
+
+		for (const item of jsonOutput as IDataObject[]) {
+			returnItems.push({ json: item });
+		}
+
+		const executionDuration = this.getNodeParameter('executionDuration', 0) as number;
+
+		if (executionDuration > 0) {
+			await sleep(executionDuration);
+		}
+
+		const manualTriggerFunction = async () => {
+			this.emit([returnItems]);
+		};
+
+		return {
+			manualTriggerFunction,
+		};
+	}
+}