mirror of
https://github.com/n8n-io/n8n.git
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🔀 Merge branch 'pestevez-feature/graph-api-request-node'
This commit is contained in:
Jan Oberhauser
commit
be5386efe7
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import {
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ICredentialType,
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NodePropertyTypes,
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} from 'n8n-workflow';
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export class FacebookGraphApi implements ICredentialType {
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name = 'facebookGraphApi';
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displayName = 'Facebook Graph API';
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properties = [
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{
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displayName: 'Access Token',
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name: 'accessToken',
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type: 'string' as NodePropertyTypes,
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default: '',
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},
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];
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}
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403
packages/nodes-base/nodes/Facebook/FacebookGraphApi.node.ts
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403
packages/nodes-base/nodes/Facebook/FacebookGraphApi.node.ts
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import {
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BINARY_ENCODING,
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IBinaryData,
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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} from 'n8n-workflow';
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import { OptionsWithUri } from 'request';
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export class FacebookGraphApi implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Facebook Graph API',
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name: 'facebookGraphApi',
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icon: 'file:facebook.png',
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group: ['transform'],
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version: 1,
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description: 'Interacts with Facebook using the Graph API',
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defaults: {
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name: 'Facebook Graph API',
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color: '#772244',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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name: 'facebookGraphApi',
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required: true,
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},
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],
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properties: [
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{
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displayName: 'Host URL',
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name: 'hostUrl',
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type: 'options',
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options: [
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{
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name: 'Default',
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value: 'graph.facebook.com',
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},
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{
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name: 'Video Uploads',
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value: 'graph-video.facebook.com',
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}
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],
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default: 'graph.facebook.com',
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description: 'The Host URL of the request. Almost all requests are passed to the graph.facebook.com host URL. The single exception is video uploads, which use graph-video.facebook.com.',
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required: true,
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},
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{
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displayName: 'HTTP Request Method',
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name: 'httpRequestMethod',
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type: 'options',
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options: [
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{
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name: 'GET',
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value: 'GET',
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},
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{
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name: 'POST',
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value: 'POST',
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},
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{
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name: 'DELETE',
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value: 'DELETE',
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},
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],
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default: 'GET',
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description: 'The HTTP Method to be used for the request.',
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required: true,
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},
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{
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displayName: 'Graph API Version',
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name: 'graphApiVersion',
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type: 'options',
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options: [
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{
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name: 'Latest',
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value: '',
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},
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{
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name: 'v6.0',
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value: 'v6.0',
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},
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{
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name: 'v5.0',
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value: 'v5.0',
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},
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{
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name: 'v4.0',
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value: 'v4.0',
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},
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{
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name: 'v3.3',
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value: 'v3.3',
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},
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{
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name: 'v3.2',
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value: 'v3.2',
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},
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{
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name: 'v3.1',
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value: 'v3.1',
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},
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{
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name: 'v3.0',
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value: 'v3.0',
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},
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{
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name: 'v2.12',
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value: 'v2.12',
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},
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],
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default: '',
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description: 'The version of the Graph API to be used in the request.',
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required: true,
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},
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{
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displayName: 'Node',
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name: 'node',
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type: 'string',
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default: '',
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description: 'The node on which to operate. A node is an individual object with a unique ID. For example, there are many User node objects, each with a unique ID representing a person on Facebook.',
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placeholder: 'me',
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required: true,
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},
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{
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displayName: 'Edge',
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name: 'edge',
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type: 'string',
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default: '',
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description: 'Edge of the node on which to operate. Edges represent collections of objects wich are attached to the node.',
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placeholder: 'videos',
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required: false,
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},
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{
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displayName: 'Send Binary Data',
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name: 'sendBinaryData',
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type: 'boolean',
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displayOptions: {
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show: {
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httpRequestMethod: [
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'POST',
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'PUT',
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],
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},
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},
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default: false,
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required: true,
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description: 'If binary data should be send as body.',
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},
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{
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displayName: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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required: false,
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default: '',
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placeholder: 'file:data',
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displayOptions: {
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hide: {
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sendBinaryData: [
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false,
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],
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},
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show: {
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httpRequestMethod: [
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'POST',
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'PUT',
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],
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},
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},
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description: `Name of the binary property which contains the data for the file to be uploaded.<br />
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For Form-Data Multipart, multiple can be provided in the format:<br />
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"sendKey1:binaryProperty1,sendKey2:binaryProperty2`,
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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options: [
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{
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displayName: 'Fields',
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name: 'fields',
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placeholder: 'Add Field',
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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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'/httpRequestMethod': [
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'GET',
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],
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},
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},
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description: 'The list of fields to request in the GET request.',
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default: {},
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options: [
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{
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name: 'field',
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displayName: 'Field',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: '',
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description: 'Name of the field.',
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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: 'Query Parameters',
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name: 'queryParameters',
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placeholder: 'Add Parameter',
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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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description: 'The query parameters to send',
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default: {},
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options: [
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{
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name: 'parameter',
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displayName: 'Parameter',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: '',
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description: 'Name of the parameter.',
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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'string',
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default: '',
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description: 'Value of the parameter.',
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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: 'Query Parameters JSON',
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name: 'queryParametersJson',
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type: 'json',
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default: '{}',
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placeholder: '{\"field_name\": \"field_value\"}',
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description: 'The query parameters to send, defined as a JSON object',
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required: false,
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}
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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 items = this.getInputData();
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let response: any; // tslint:disable-line:no-any
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const returnItems: INodeExecutionData[] = [];
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for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
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const graphApiCredentials = this.getCredentials('facebookGraphApi');
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const hostUrl = this.getNodeParameter('hostUrl', itemIndex) as string;
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const httpRequestMethod = this.getNodeParameter('httpRequestMethod', itemIndex) as string;
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let graphApiVersion = this.getNodeParameter('graphApiVersion', itemIndex) as string;
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const node = this.getNodeParameter('node', itemIndex) as string;
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const edge = this.getNodeParameter('edge', itemIndex) as string;
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const options = this.getNodeParameter('options', itemIndex, {}) as IDataObject;
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if (graphApiVersion !== '') {
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graphApiVersion += '/';
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}
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let uri = `https://${hostUrl}/${graphApiVersion}${node}`;
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if (edge) {
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uri = `${uri}/${edge}`;
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}
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const requestOptions : OptionsWithUri = {
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headers: {
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accept: 'application/json,text/*;q=0.99',
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},
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method: httpRequestMethod,
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uri,
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json: true,
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gzip: true,
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qs: {
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access_token: graphApiCredentials!.accessToken,
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},
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};
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if (options !== undefined) {
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// Build fields query parameter as a comma separated list
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if (options.fields !== undefined) {
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const fields = options.fields as IDataObject;
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if (fields.field !== undefined) {
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const fieldsCsv = (fields.field as IDataObject[]).map(field => field.name).join(',');
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requestOptions.qs.fields = fieldsCsv;
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}
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}
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// Add the query parameters defined in the UI
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if (options.queryParameters !== undefined) {
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const queryParameters = options.queryParameters as IDataObject;
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if (queryParameters.parameter !== undefined) {
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for (const queryParameter of queryParameters.parameter as IDataObject[]) {
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requestOptions.qs[queryParameter.name as string] = queryParameter.value;
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}
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}
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}
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// Add the query parameters defined as a JSON object
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if (options.queryParametersJson) {
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let queryParametersJsonObj = {};
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try
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{
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queryParametersJsonObj = JSON.parse(options.queryParametersJson as string);
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} catch { /* Do nothing, at least for now */}
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const qs = requestOptions.qs;
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requestOptions.qs = {
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...qs,
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...queryParametersJsonObj,
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};
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}
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}
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const sendBinaryData = this.getNodeParameter('sendBinaryData', itemIndex, false) as boolean;
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if (sendBinaryData) {
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const item = items[itemIndex];
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if (item.binary === undefined) {
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throw new Error('No binary data exists on item!');
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}
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const binaryPropertyNameFull = this.getNodeParameter('binaryPropertyName', itemIndex) as string;
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let propertyName = 'file';
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let binaryPropertyName = binaryPropertyNameFull;
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if (binaryPropertyNameFull.includes(':')) {
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const binaryPropertyNameParts = binaryPropertyNameFull.split(':');
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propertyName = binaryPropertyNameParts[0];
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binaryPropertyName = binaryPropertyNameParts[1];
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}
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if (item.binary[binaryPropertyName] === undefined) {
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throw new Error(`No binary data property "${binaryPropertyName}" does not exists on item!`);
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}
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const binaryProperty = item.binary[binaryPropertyName] as IBinaryData;
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requestOptions.formData = {
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[propertyName]: {
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value: Buffer.from(binaryProperty.data, BINARY_ENCODING),
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options: {
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filename: binaryProperty.fileName,
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contentType: binaryProperty.mimeType,
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},
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},
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};
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}
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try {
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// Now that the options are all set make the actual http request
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response = await this.helpers.request(requestOptions);
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} catch (error) {
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if (this.continueOnFail() === false) {
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throw error;
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}
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returnItems.push(items[itemIndex]);
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continue;
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}
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if (typeof response === 'string') {
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if (this.continueOnFail() === false) {
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throw new Error('Response body is not valid JSON.');
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}
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returnItems.push(items[itemIndex]);
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continue;
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}
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returnItems.push({json: response});
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}
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return [returnItems];
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}
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}
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BIN
packages/nodes-base/nodes/Facebook/facebook.png
Normal file
BIN
packages/nodes-base/nodes/Facebook/facebook.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 24 KiB |
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@ -48,6 +48,7 @@
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"dist/credentials/DriftApi.credentials.js",
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"dist/credentials/DropboxApi.credentials.js",
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"dist/credentials/EventbriteApi.credentials.js",
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"dist/credentials/FacebookGraphApi.credentials.js",
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"dist/credentials/FreshdeskApi.credentials.js",
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"dist/credentials/FileMaker.credentials.js",
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"dist/credentials/FlowApi.credentials.js",
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@ -154,6 +155,7 @@
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"dist/nodes/Eventbrite/EventbriteTrigger.node.js",
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"dist/nodes/ExecuteCommand.node.js",
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"dist/nodes/ExecuteWorkflow.node.js",
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"dist/nodes/Facebook/FacebookGraphApi.node.js",
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"dist/nodes/FileMaker/FileMaker.node.js",
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"dist/nodes/Freshdesk/Freshdesk.node.js",
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"dist/nodes/Flow/Flow.node.js",
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