first commit

packages/nodes-base/nodes/WorkflowTrigger/WorkflowTrigger.node.ts

@@ -0,0 +1,102 @@
+import type {
+	ITriggerFunctions,
+	INodeType,
+	INodeTypeDescription,
+	ITriggerResponse,
+} from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+type eventType = 'Workflow activated' | 'Workflow updated' | undefined;
+type activationType = 'activate' | 'update';
+
+export class WorkflowTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Workflow Trigger',
+		hidden: true,
+		name: 'workflowTrigger',
+		icon: 'fa:network-wired',
+		iconColor: 'orange-red',
+		group: ['trigger'],
+		version: 1,
+		description: 'Triggers based on various lifecycle events, like when a workflow is activated',
+		eventTriggerDescription: '',
+		mockManualExecution: true,
+		activationMessage: 'Your workflow will now trigger executions on the event you have defined.',
+		defaults: {
+			name: 'Workflow Trigger',
+			color: '#ff6d5a',
+		},
+		inputs: [],
+		outputs: [NodeConnectionTypes.Main],
+		properties: [
+			{
+				displayName:
+					"This node is deprecated and would not be updated in the future. Please use 'n8n Trigger' node instead.",
+				name: 'oldVersionNotice',
+				type: 'notice',
+				default: '',
+			},
+			{
+				displayName: 'Events',
+				name: 'events',
+				type: 'multiOptions',
+				required: true,
+				default: [],
+				description: `Specifies under which conditions an execution should happen:
+					<ul>
+						<li><b>Active Workflow Updated</b>: Triggers when this workflow is updated</li>
+						<li><b>Workflow Activated</b>: Triggers when this workflow is activated</li>
+					</ul>`,
+				options: [
+					{
+						name: 'Active Workflow Updated',
+						value: 'update',
+						description: 'Triggers when this workflow is updated',
+					},
+					{
+						name: 'Workflow Activated',
+						value: 'activate',
+						description: 'Triggers when this workflow is activated',
+					},
+				],
+			},
+		],
+	};
+
+	async trigger(this: ITriggerFunctions): Promise<ITriggerResponse> {
+		const events = this.getNodeParameter('events', []) as activationType[];
+
+		const activationMode = this.getActivationMode() as activationType;
+
+		if (events.includes(activationMode)) {
+			let event: eventType;
+			if (activationMode === 'activate') {
+				event = 'Workflow activated';
+			}
+			if (activationMode === 'update') {
+				event = 'Workflow updated';
+			}
+			this.emit([
+				this.helpers.returnJsonArray([
+					{ event, timestamp: new Date().toISOString(), workflow_id: this.getWorkflow().id },
+				]),
+			]);
+		}
+
+		const manualTriggerFunction = async () => {
+			this.emit([
+				this.helpers.returnJsonArray([
+					{
+						event: 'Manual execution',
+						timestamp: new Date().toISOString(),
+						workflow_id: this.getWorkflow().id,
+					},
+				]),
+			]);
+		};
+
+		return {
+			manualTriggerFunction,
+		};
+	}
+}