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116 lines
2.7 KiB
TypeScript
116 lines
2.7 KiB
TypeScript
import type {
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ITriggerFunctions,
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INodeType,
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INodeTypeDescription,
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ITriggerResponse,
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} from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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export class Interval implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Interval',
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name: 'interval',
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icon: 'fa:hourglass',
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group: ['trigger', 'schedule'],
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version: 1,
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hidden: true,
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description: 'Triggers the workflow in a given interval',
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eventTriggerDescription: '',
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activationMessage:
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'Your interval trigger will now trigger executions on the schedule you have defined.',
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defaults: {
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name: 'Interval',
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color: '#00FF00',
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},
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// eslint-disable-next-line n8n-nodes-base/node-class-description-inputs-wrong-regular-node
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inputs: [],
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outputs: ['main'],
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properties: [
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{
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displayName:
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'This workflow will run on the schedule you define here once you <a data-key="activate">activate</a> it.<br><br>For testing, you can also trigger it manually: by going back to the canvas and clicking ‘execute workflow’',
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name: 'notice',
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type: 'notice',
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default: '',
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},
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{
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displayName: 'Interval',
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name: 'interval',
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type: 'number',
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typeOptions: {
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minValue: 1,
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},
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default: 1,
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description: 'Interval value',
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},
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{
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displayName: 'Unit',
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name: 'unit',
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type: 'options',
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options: [
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{
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name: 'Seconds',
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value: 'seconds',
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},
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{
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name: 'Minutes',
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value: 'minutes',
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},
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{
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name: 'Hours',
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value: 'hours',
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},
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],
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default: 'seconds',
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description: 'Unit of the interval value',
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},
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],
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};
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async trigger(this: ITriggerFunctions): Promise<ITriggerResponse> {
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const interval = this.getNodeParameter('interval') as number;
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const unit = this.getNodeParameter('unit') as string;
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if (interval <= 0) {
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throw new NodeOperationError(
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this.getNode(),
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'The interval has to be set to at least 1 or higher!',
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);
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}
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let intervalValue = interval;
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if (unit === 'minutes') {
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intervalValue *= 60;
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}
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if (unit === 'hours') {
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intervalValue *= 60 * 60;
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}
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const executeTrigger = () => {
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this.emit([this.helpers.returnJsonArray([{}])]);
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};
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intervalValue *= 1000;
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// Reference: https://nodejs.org/api/timers.html#timers_setinterval_callback_delay_args
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if (intervalValue > 2147483647) {
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throw new NodeOperationError(this.getNode(), 'The interval value is too large.');
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}
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const intervalObj = setInterval(executeTrigger, intervalValue);
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async function closeFunction() {
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clearInterval(intervalObj);
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}
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async function manualTriggerFunction() {
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executeTrigger();
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}
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return {
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closeFunction,
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manualTriggerFunction,
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};
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}
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}
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