mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-13 16:14:07 -08:00
687 lines
18 KiB
TypeScript
687 lines
18 KiB
TypeScript
import type {
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IExecuteFunctions,
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INodeExecutionData,
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INodeParameters,
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INodeType,
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INodeTypeBaseDescription,
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INodeTypeDescription,
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NodeParameterValue,
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} from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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export class SwitchV1 implements INodeType {
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description: INodeTypeDescription;
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constructor(baseDescription: INodeTypeBaseDescription) {
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this.description = {
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...baseDescription,
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version: [1],
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defaults: {
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name: 'Switch',
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color: '#506000',
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},
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inputs: ['main'],
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outputs: ['main', 'main', 'main', 'main'],
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outputNames: ['0', '1', '2', '3'],
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properties: [
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{
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displayName: 'Mode',
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name: 'mode',
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type: 'options',
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options: [
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{
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name: 'Expression',
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value: 'expression',
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description: 'Expression decides how to route data',
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},
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{
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name: 'Rules',
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value: 'rules',
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description: 'Rules decide how to route data',
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},
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],
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default: 'rules',
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description: 'How data should be routed',
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},
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// ----------------------------------
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// mode:expression
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// ----------------------------------
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{
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displayName: 'Output',
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name: 'output',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 3,
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},
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displayOptions: {
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show: {
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mode: ['expression'],
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},
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},
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default: 0,
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description: 'The index of output to which to send data to',
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},
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// ----------------------------------
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// mode:rules
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// ----------------------------------
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{
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displayName: 'Data Type',
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name: 'dataType',
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type: 'options',
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displayOptions: {
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show: {
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mode: ['rules'],
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},
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},
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options: [
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{
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name: 'Boolean',
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value: 'boolean',
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},
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{
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name: 'Date & Time',
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value: 'dateTime',
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},
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{
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name: 'Number',
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value: 'number',
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},
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{
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name: 'String',
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value: 'string',
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},
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],
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default: 'number',
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description: 'The type of data to route on',
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},
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// ----------------------------------
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// dataType:boolean
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// ----------------------------------
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{
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displayName: 'Value 1',
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name: 'value1',
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type: 'boolean',
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displayOptions: {
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show: {
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dataType: ['boolean'],
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mode: ['rules'],
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},
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},
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default: false,
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// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
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description: 'The value to compare with the first one',
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},
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{
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displayName: 'Routing Rules',
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name: 'rules',
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placeholder: 'Add Routing Rule',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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displayOptions: {
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show: {
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dataType: ['boolean'],
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mode: ['rules'],
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},
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},
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default: {},
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options: [
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{
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name: 'rules',
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displayName: 'Boolean',
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values: [
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// eslint-disable-next-line n8n-nodes-base/node-param-operation-without-no-data-expression
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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options: [
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{
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name: 'Equal',
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value: 'equal',
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},
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{
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name: 'Not Equal',
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value: 'notEqual',
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},
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],
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default: 'equal',
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description: 'Operation to decide where the data should be mapped to',
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},
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{
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displayName: 'Value 2',
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name: 'value2',
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type: 'boolean',
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default: false,
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// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
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description: 'The value to compare with the first one',
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},
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{
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displayName: 'Output',
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name: 'output',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 3,
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},
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default: 0,
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description: 'The index of output to which to send data to if rule matches',
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},
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],
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},
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],
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},
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// ----------------------------------
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// dataType:dateTime
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// ----------------------------------
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{
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displayName: 'Value 1',
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name: 'value1',
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type: 'dateTime',
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displayOptions: {
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show: {
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dataType: ['dateTime'],
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mode: ['rules'],
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},
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},
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default: '',
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description: 'The value to compare with the second one',
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},
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{
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displayName: 'Routing Rules',
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name: 'rules',
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placeholder: 'Add Routing Rule',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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displayOptions: {
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show: {
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dataType: ['dateTime'],
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mode: ['rules'],
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},
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},
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default: {},
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options: [
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{
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name: 'rules',
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displayName: 'Dates',
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values: [
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// eslint-disable-next-line n8n-nodes-base/node-param-operation-without-no-data-expression
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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options: [
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{
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name: 'Occurred After',
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value: 'after',
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},
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{
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name: 'Occurred Before',
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value: 'before',
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},
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],
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default: 'after',
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description: 'Operation to decide where the data should be mapped to',
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},
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{
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displayName: 'Value 2',
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name: 'value2',
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type: 'dateTime',
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default: 0,
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description: 'The value to compare with the first one',
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},
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{
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displayName: 'Output',
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name: 'output',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 3,
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},
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default: 0,
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description: 'The index of output to which to send data to if rule matches',
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},
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],
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},
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],
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},
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// ----------------------------------
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// dataType:number
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// ----------------------------------
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{
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displayName: 'Value 1',
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name: 'value1',
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type: 'number',
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displayOptions: {
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show: {
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dataType: ['number'],
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mode: ['rules'],
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},
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},
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default: 0,
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description: 'The value to compare with the second one',
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},
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{
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displayName: 'Routing Rules',
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name: 'rules',
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placeholder: 'Add Routing Rule',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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displayOptions: {
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show: {
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dataType: ['number'],
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mode: ['rules'],
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},
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},
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default: {},
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options: [
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{
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name: 'rules',
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displayName: 'Numbers',
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values: [
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// eslint-disable-next-line n8n-nodes-base/node-param-operation-without-no-data-expression
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
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options: [
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{
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name: 'Smaller',
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value: 'smaller',
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},
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{
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name: 'Smaller Equal',
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value: 'smallerEqual',
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},
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{
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name: 'Equal',
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value: 'equal',
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},
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{
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name: 'Not Equal',
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value: 'notEqual',
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},
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{
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name: 'Larger',
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value: 'larger',
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},
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{
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name: 'Larger Equal',
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value: 'largerEqual',
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},
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],
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default: 'smaller',
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description: 'Operation to decide where the data should be mapped to',
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},
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{
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displayName: 'Value 2',
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name: 'value2',
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type: 'number',
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default: 0,
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description: 'The value to compare with the first one',
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},
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{
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displayName: 'Output',
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name: 'output',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 3,
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},
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default: 0,
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description: 'The index of output to which to send data to if rule matches',
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},
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],
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},
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],
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},
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// ----------------------------------
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// dataType:string
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// ----------------------------------
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{
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displayName: 'Value 1',
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name: 'value1',
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type: 'string',
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displayOptions: {
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show: {
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dataType: ['string'],
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mode: ['rules'],
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},
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},
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default: '',
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description: 'The value to compare with the second one',
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},
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{
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displayName: 'Routing Rules',
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name: 'rules',
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placeholder: 'Add Routing Rule',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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displayOptions: {
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show: {
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dataType: ['string'],
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mode: ['rules'],
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},
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},
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default: {},
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options: [
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{
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name: 'rules',
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displayName: 'Strings',
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values: [
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// eslint-disable-next-line n8n-nodes-base/node-param-operation-without-no-data-expression
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
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options: [
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{
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name: 'Contains',
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value: 'contains',
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},
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{
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name: 'Not Contains',
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value: 'notContains',
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},
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{
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name: 'Ends With',
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value: 'endsWith',
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},
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{
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name: 'Not Ends With',
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value: 'notEndsWith',
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},
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{
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name: 'Equal',
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value: 'equal',
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},
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{
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name: 'Not Equal',
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value: 'notEqual',
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},
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{
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name: 'Regex Match',
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value: 'regex',
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},
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{
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name: 'Regex Not Match',
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value: 'notRegex',
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},
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{
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name: 'Starts With',
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value: 'startsWith',
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},
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{
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name: 'Not Starts With',
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value: 'notStartsWith',
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},
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],
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default: 'equal',
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description: 'Operation to decide where the data should be mapped to',
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},
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{
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displayName: 'Value 2',
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name: 'value2',
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type: 'string',
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displayOptions: {
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hide: {
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operation: ['regex', 'notRegex'],
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},
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},
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default: '',
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description: 'The value to compare with the first one',
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},
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{
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displayName: 'Regex',
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name: 'value2',
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type: 'string',
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displayOptions: {
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show: {
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operation: ['regex', 'notRegex'],
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},
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},
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default: '',
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placeholder: '/text/i',
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description: 'The regex which has to match',
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},
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{
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displayName: 'Output',
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name: 'output',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 3,
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},
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default: 0,
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description: 'The index of output to which to send data to if rule matches',
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},
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],
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},
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],
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},
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{
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displayName: 'Fallback Output',
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name: 'fallbackOutput',
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type: 'options',
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displayOptions: {
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show: {
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mode: ['rules'],
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},
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},
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// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
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options: [
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{
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name: 'None',
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value: -1,
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},
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{
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name: '0',
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value: 0,
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},
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{
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name: '1',
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value: 1,
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},
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{
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name: '2',
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value: 2,
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},
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{
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name: '3',
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value: 3,
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},
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],
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default: -1,
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description: 'The output to which to route all items which do not match any of the rules',
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},
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],
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};
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}
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const returnData: INodeExecutionData[][] = [[], [], [], []];
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const items = this.getInputData();
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let compareOperationResult: boolean;
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let item: INodeExecutionData;
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let mode: string;
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let outputIndex: number;
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let ruleData: INodeParameters;
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// The compare operations
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const compareOperationFunctions: {
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[key: string]: (value1: NodeParameterValue, value2: NodeParameterValue) => boolean;
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} = {
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after: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) > (value2 || 0),
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before: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) < (value2 || 0),
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contains: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || '').toString().includes((value2 || '').toString()),
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notContains: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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!(value1 || '').toString().includes((value2 || '').toString()),
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endsWith: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 as string).endsWith(value2 as string),
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notEndsWith: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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!(value1 as string).endsWith(value2 as string),
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equal: (value1: NodeParameterValue, value2: NodeParameterValue) => value1 === value2,
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notEqual: (value1: NodeParameterValue, value2: NodeParameterValue) => value1 !== value2,
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larger: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) > (value2 || 0),
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largerEqual: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) >= (value2 || 0),
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smaller: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) < (value2 || 0),
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smallerEqual: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 || 0) <= (value2 || 0),
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startsWith: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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(value1 as string).startsWith(value2 as string),
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notStartsWith: (value1: NodeParameterValue, value2: NodeParameterValue) =>
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!(value1 as string).startsWith(value2 as string),
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regex: (value1: NodeParameterValue, value2: NodeParameterValue) => {
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const regexMatch = (value2 || '').toString().match(new RegExp('^/(.*?)/([gimusy]*)$'));
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let regex: RegExp;
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if (!regexMatch) {
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regex = new RegExp((value2 || '').toString());
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} else if (regexMatch.length === 1) {
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regex = new RegExp(regexMatch[1]);
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} else {
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regex = new RegExp(regexMatch[1], regexMatch[2]);
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}
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return !!(value1 || '').toString().match(regex);
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},
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notRegex: (value1: NodeParameterValue, value2: NodeParameterValue) => {
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const regexMatch = (value2 || '').toString().match(new RegExp('^/(.*?)/([gimusy]*)$'));
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let regex: RegExp;
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if (!regexMatch) {
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regex = new RegExp((value2 || '').toString());
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} else if (regexMatch.length === 1) {
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regex = new RegExp(regexMatch[1]);
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} else {
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regex = new RegExp(regexMatch[1], regexMatch[2]);
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}
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return !(value1 || '').toString().match(regex);
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},
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};
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// Converts the input data of a dateTime into a number for easy compare
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const convertDateTime = (value: NodeParameterValue): number => {
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let returnValue: number | undefined = undefined;
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if (typeof value === 'string') {
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returnValue = new Date(value).getTime();
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} else if (typeof value === 'number') {
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returnValue = value;
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}
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if ((value as unknown as object) instanceof Date) {
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returnValue = (value as unknown as Date).getTime();
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}
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if (returnValue === undefined || isNaN(returnValue)) {
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throw new NodeOperationError(
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this.getNode(),
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`The value "${value}" is not a valid DateTime.`,
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);
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}
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return returnValue;
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};
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|
|
const checkIndexRange = (index: number) => {
|
|
if (index < 0 || index >= returnData.length) {
|
|
throw new NodeOperationError(
|
|
this.getNode(),
|
|
`The ouput ${index} is not allowed. It has to be between 0 and ${returnData.length - 1}!`,
|
|
);
|
|
}
|
|
};
|
|
|
|
// Iterate over all items to check to which output they should be routed to
|
|
itemLoop: for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
|
|
try {
|
|
item = items[itemIndex];
|
|
mode = this.getNodeParameter('mode', itemIndex) as string;
|
|
|
|
if (mode === 'expression') {
|
|
// One expression decides how to route item
|
|
|
|
outputIndex = this.getNodeParameter('output', itemIndex) as number;
|
|
checkIndexRange(outputIndex);
|
|
|
|
returnData[outputIndex].push(item);
|
|
} else if (mode === 'rules') {
|
|
// Rules decide how to route item
|
|
|
|
const dataType = this.getNodeParameter('dataType', 0) as string;
|
|
|
|
let value1 = this.getNodeParameter('value1', itemIndex) as NodeParameterValue;
|
|
if (dataType === 'dateTime') {
|
|
value1 = convertDateTime(value1);
|
|
}
|
|
|
|
for (ruleData of this.getNodeParameter(
|
|
'rules.rules',
|
|
itemIndex,
|
|
[],
|
|
) as INodeParameters[]) {
|
|
// Check if the values passes
|
|
|
|
let value2 = ruleData.value2 as NodeParameterValue;
|
|
if (dataType === 'dateTime') {
|
|
value2 = convertDateTime(value2);
|
|
}
|
|
|
|
compareOperationResult = compareOperationFunctions[ruleData.operation as string](
|
|
value1,
|
|
value2,
|
|
);
|
|
|
|
if (compareOperationResult) {
|
|
// If rule matches add it to the correct output and continue with next item
|
|
checkIndexRange(ruleData.output as number);
|
|
returnData[ruleData.output as number].push(item);
|
|
continue itemLoop;
|
|
}
|
|
}
|
|
|
|
// Check if a fallback output got defined and route accordingly
|
|
outputIndex = this.getNodeParameter('fallbackOutput', itemIndex) as number;
|
|
if (outputIndex !== -1) {
|
|
checkIndexRange(outputIndex);
|
|
returnData[outputIndex].push(item);
|
|
}
|
|
}
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
returnData[0].push({ json: { error: error.message } });
|
|
continue;
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
return returnData;
|
|
}
|
|
}
|