mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-13 16:14:07 -08:00
543 lines
12 KiB
TypeScript
543 lines
12 KiB
TypeScript
import { IExecuteFunctions } from 'n8n-core';
|
|
import {
|
|
INodeExecutionData,
|
|
INodeParameters,
|
|
INodeType,
|
|
INodeTypeDescription,
|
|
NodeParameterValue,
|
|
} from 'n8n-workflow';
|
|
|
|
|
|
export class Switch implements INodeType {
|
|
description: INodeTypeDescription = {
|
|
displayName: 'Switch',
|
|
name: 'switch',
|
|
icon: 'fa:map-signs',
|
|
group: ['transform'],
|
|
version: 1,
|
|
description: 'Route items depending on defined expression or rules.',
|
|
defaults: {
|
|
name: 'Switch',
|
|
color: '#506000',
|
|
},
|
|
inputs: ['main'],
|
|
outputs: ['main', 'main', 'main', 'main'],
|
|
outputNames: ['0', '1', '2', '3'],
|
|
properties: [
|
|
{
|
|
displayName: 'Mode',
|
|
name: 'mode',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Expression',
|
|
value: 'expression',
|
|
description: 'Expression decides how to route data.',
|
|
},
|
|
{
|
|
name: 'Rules',
|
|
value: 'rules',
|
|
description: 'Rules decide how to route data.',
|
|
},
|
|
],
|
|
default: 'rules',
|
|
description: 'How data should be routed.',
|
|
},
|
|
|
|
|
|
// ----------------------------------
|
|
// mode:expression
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Output',
|
|
name: 'output',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: 0,
|
|
maxValue: 3,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
mode: [
|
|
'expression',
|
|
],
|
|
},
|
|
},
|
|
default: 0,
|
|
description: 'The index of output to which to send data to.',
|
|
},
|
|
|
|
|
|
// ----------------------------------
|
|
// mode:rules
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Data Type',
|
|
name: 'dataType',
|
|
type: 'options',
|
|
displayOptions: {
|
|
show: {
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
options: [
|
|
{
|
|
name: 'Boolean',
|
|
value: 'boolean',
|
|
},
|
|
{
|
|
name: 'Number',
|
|
value: 'number',
|
|
},
|
|
{
|
|
name: 'String',
|
|
value: 'string',
|
|
},
|
|
],
|
|
default: 'number',
|
|
description: 'The type of data to route on.',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// dataType:boolean
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Value 1',
|
|
name: 'value1',
|
|
type: 'boolean',
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'boolean',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
default: false,
|
|
description: 'The value to compare with the second one.',
|
|
},
|
|
{
|
|
displayName: 'Routing Rules',
|
|
name: 'rules',
|
|
placeholder: 'Add Routing Rule',
|
|
type: 'fixedCollection',
|
|
typeOptions: {
|
|
multipleValues: true,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'boolean',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
description: 'The routing rules.',
|
|
default: {},
|
|
options: [
|
|
{
|
|
name: 'rules',
|
|
displayName: 'Boolean',
|
|
values: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Equal',
|
|
value: 'equal',
|
|
},
|
|
{
|
|
name: 'Not Equal',
|
|
value: 'notEqual',
|
|
},
|
|
],
|
|
default: 'equal',
|
|
description: 'Operation to decide where the the data should be mapped to.',
|
|
},
|
|
{
|
|
displayName: 'Value 2',
|
|
name: 'value2',
|
|
type: 'boolean',
|
|
default: false,
|
|
description: 'The value to compare with the first one.',
|
|
},
|
|
{
|
|
displayName: 'Output',
|
|
name: 'output',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: 0,
|
|
maxValue: 3,
|
|
},
|
|
default: 0,
|
|
description: 'The index of output to which to send data to if rule matches.',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
|
|
// ----------------------------------
|
|
// dataType:number
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Value 1',
|
|
name: 'value1',
|
|
type: 'number',
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'number',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
default: 0,
|
|
description: 'The value to compare with the second one.',
|
|
},
|
|
{
|
|
displayName: 'Routing Rules',
|
|
name: 'rules',
|
|
placeholder: 'Add Routing Rule',
|
|
type: 'fixedCollection',
|
|
typeOptions: {
|
|
multipleValues: true,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'number',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
description: 'The routing rules.',
|
|
default: {},
|
|
options: [
|
|
{
|
|
name: 'rules',
|
|
displayName: 'Numbers',
|
|
values: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Smaller',
|
|
value: 'smaller',
|
|
},
|
|
{
|
|
name: 'Smaller Equal',
|
|
value: 'smallerEqual',
|
|
},
|
|
{
|
|
name: 'Equal',
|
|
value: 'equal',
|
|
},
|
|
{
|
|
name: 'Not Equal',
|
|
value: 'notEqual',
|
|
},
|
|
{
|
|
name: 'Larger',
|
|
value: 'larger',
|
|
},
|
|
{
|
|
name: 'Larger Equal',
|
|
value: 'largerEqual',
|
|
},
|
|
],
|
|
default: 'smaller',
|
|
description: 'Operation to decide where the the data should be mapped to.',
|
|
},
|
|
{
|
|
displayName: 'Value 2',
|
|
name: 'value2',
|
|
type: 'number',
|
|
default: 0,
|
|
description: 'The value to compare with the first one.',
|
|
},
|
|
{
|
|
displayName: 'Output',
|
|
name: 'output',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: 0,
|
|
maxValue: 3,
|
|
},
|
|
default: 0,
|
|
description: 'The index of output to which to send data to if rule matches.',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
|
|
// ----------------------------------
|
|
// dataType:string
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Value 1',
|
|
name: 'value1',
|
|
type: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'string',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
default: '',
|
|
description: 'The value to compare with the second one.',
|
|
},
|
|
{
|
|
displayName: 'Routing Rules',
|
|
name: 'rules',
|
|
placeholder: 'Add Routing Rule',
|
|
type: 'fixedCollection',
|
|
typeOptions: {
|
|
multipleValues: true,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
dataType: [
|
|
'string',
|
|
],
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
description: 'The routing rules.',
|
|
default: {},
|
|
options: [
|
|
{
|
|
name: 'rules',
|
|
displayName: 'Strings',
|
|
values: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Contains',
|
|
value: 'contains',
|
|
},
|
|
{
|
|
name: 'Equal',
|
|
value: 'equal',
|
|
},
|
|
{
|
|
name: 'Not Contains',
|
|
value: 'notContains',
|
|
},
|
|
{
|
|
name: 'Not Equal',
|
|
value: 'notEqual',
|
|
},
|
|
{
|
|
name: 'Regex',
|
|
value: 'regex',
|
|
},
|
|
],
|
|
default: 'equal',
|
|
description: 'Operation to decide where the the data should be mapped to.',
|
|
},
|
|
{
|
|
displayName: 'Value 2',
|
|
name: 'value2',
|
|
type: 'string',
|
|
displayOptions: {
|
|
hide: {
|
|
operation: [
|
|
'regex',
|
|
],
|
|
},
|
|
},
|
|
default: '',
|
|
description: 'The value to compare with the first one.',
|
|
},
|
|
{
|
|
displayName: 'Regex',
|
|
name: 'value2',
|
|
type: 'string',
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'regex',
|
|
],
|
|
},
|
|
},
|
|
default: '',
|
|
placeholder: '/text/i',
|
|
description: 'The regex which has to match.',
|
|
},
|
|
{
|
|
displayName: 'Output',
|
|
name: 'output',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: 0,
|
|
maxValue: 3,
|
|
},
|
|
default: 0,
|
|
description: 'The index of output to which to send data to if rule matches.',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
|
|
|
|
{
|
|
displayName: 'Fallback Output',
|
|
name: 'fallbackOutput',
|
|
type: 'options',
|
|
displayOptions: {
|
|
show: {
|
|
mode: [
|
|
'rules',
|
|
],
|
|
},
|
|
},
|
|
options: [
|
|
{
|
|
name: 'None',
|
|
value: -1,
|
|
},
|
|
{
|
|
name: '0',
|
|
value: 0,
|
|
},
|
|
{
|
|
name: '1',
|
|
value: 1,
|
|
},
|
|
{
|
|
name: '2',
|
|
value: 2,
|
|
},
|
|
{
|
|
name: '3',
|
|
value: 3,
|
|
},
|
|
],
|
|
default: -1,
|
|
description: 'The output to which to route all items which do not match any of the rules.',
|
|
},
|
|
|
|
],
|
|
};
|
|
|
|
|
|
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
|
const returnData: INodeExecutionData[][] = [
|
|
[],
|
|
[],
|
|
[],
|
|
[],
|
|
];
|
|
|
|
const items = this.getInputData();
|
|
|
|
let compareOperationResult: boolean;
|
|
let item: INodeExecutionData;
|
|
let mode: string;
|
|
let outputIndex: number;
|
|
let ruleData: INodeParameters;
|
|
let value1: NodeParameterValue;
|
|
|
|
// The compare operations
|
|
const compareOperationFunctions: {
|
|
[key: string]: (value1: NodeParameterValue, value2: NodeParameterValue) => boolean;
|
|
} = {
|
|
contains: (value1: NodeParameterValue, value2: NodeParameterValue) => (value1 || '').toString().includes((value2 || '').toString()),
|
|
notContains: (value1: NodeParameterValue, value2: NodeParameterValue) => !(value1 || '').toString().includes((value2 || '').toString()),
|
|
equal: (value1: NodeParameterValue, value2: NodeParameterValue) => value1 === value2,
|
|
notEqual: (value1: NodeParameterValue, value2: NodeParameterValue) => value1 !== value2,
|
|
larger: (value1: NodeParameterValue, value2: NodeParameterValue) => (value1 || 0) > (value2 || 0),
|
|
largerEqual: (value1: NodeParameterValue, value2: NodeParameterValue) => (value1 || 0) >= (value2 || 0),
|
|
smaller: (value1: NodeParameterValue, value2: NodeParameterValue) => (value1 || 0) < (value2 || 0),
|
|
smallerEqual: (value1: NodeParameterValue, value2: NodeParameterValue) => (value1 || 0) <= (value2 || 0),
|
|
regex: (value1: NodeParameterValue, value2: NodeParameterValue) => {
|
|
const regexMatch = (value2 || '').toString().match(new RegExp('^/(.*?)/([gimy]*)$'));
|
|
|
|
let regex: RegExp;
|
|
if (!regexMatch) {
|
|
regex = new RegExp((value2 || '').toString());
|
|
} else if (regexMatch.length === 1) {
|
|
regex = new RegExp(regexMatch[1]);
|
|
} else {
|
|
regex = new RegExp(regexMatch[1], regexMatch[2]);
|
|
}
|
|
|
|
return !!(value1 || '').toString().match(regex);
|
|
},
|
|
};
|
|
|
|
function checkIndexRange(index: number) {
|
|
if (index < 0 || index >= returnData.length) {
|
|
throw new Error(`The ouput ${index} is not allowed. It has to be between 0 and ${returnData.length - 1}!`);
|
|
}
|
|
}
|
|
|
|
// Itterate over all items to check to which output they should be routed to
|
|
itemLoop:
|
|
for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
|
|
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
|
|
|
|
value1 = this.getNodeParameter('value1', itemIndex) as NodeParameterValue;
|
|
|
|
for (ruleData of this.getNodeParameter('rules.rules', itemIndex, []) as INodeParameters[]) {
|
|
// Check if the values passes
|
|
compareOperationResult = compareOperationFunctions[ruleData.operation as string](value1, ruleData.value2 as NodeParameterValue);
|
|
|
|
if (compareOperationResult === true) {
|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
return returnData;
|
|
}
|
|
}
|