first commit

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

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+import type {
+	ITriggerFunctions,
+	INodeType,
+	INodeTypeDescription,
+	ITriggerResponse,
+} from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+export class ManualTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Manual Trigger',
+		name: 'manualTrigger',
+		icon: 'fa:mouse-pointer',
+		group: ['trigger'],
+		version: 1,
+		description: 'Runs the flow on clicking a button in n8n',
+		eventTriggerDescription: '',
+		maxNodes: 1,
+		defaults: {
+			name: 'When clicking ‘Execute workflow’',
+			color: '#909298',
+		},
+
+		inputs: [],
+		outputs: [NodeConnectionTypes.Main],
+		builderHint: {
+			message: 'There can only be one manual trigger node per workflow',
+		},
+		properties: [
+			{
+				displayName:
+					'This node is where the workflow execution starts (when you click the ‘test’ button on the canvas).<br><br> <a data-action="showNodeCreator">Explore other ways to trigger your workflow</a> (e.g on a schedule, or a webhook)',
+				name: 'notice',
+				type: 'notice',
+				default: '',
+			},
+		],
+	};
+
+	async trigger(this: ITriggerFunctions): Promise<ITriggerResponse> {
+		const manualTriggerFunction = async () => {
+			this.emit([this.helpers.returnJsonArray([{}])]);
+		};
+
+		return {
+			manualTriggerFunction,
+		};
+	}
+}