n8n/packages/nodes-base/nodes/FunctionItem.node.ts

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import { IExecuteFunctions } from 'n8n-core';
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import {
IBinaryKeyData,
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
:sparkles: Improve node error handling (#1309) * Add path mapping and response error interfaces * Add error handling and throwing functionality * Refactor error handling into a single function * Re-implement error handling in Hacker News node * Fix linting details * Re-implement error handling in Spotify node * Re-implement error handling in G Suite Admin node * :construction: create basic setup NodeError * :construction: add httpCodes * :construction: add path priolist * :construction: handle statusCode in error, adjust interfaces * :construction: fixing type issues w/Ivan * :construction: add error exploration * 👔 fix linter issues * :wrench: improve object check * :construction: remove path passing from NodeApiError * :construction: add multi error + refactor findProperty method * 👔 allow any * :wrench: handle multi error message callback * :zap: change return type of callback * :zap: add customCallback to MultiError * :construction: refactor to use INode * :hammer: handle arrays, continue search after first null property found * 🚫 refactor method access * :construction: setup NodeErrorView * :zap: change timestamp to Date.now * :books: Add documentation for methods and constants * :construction: change message setting * 🚚 move NodeErrors to workflow * :sparkles: add new ErrorView for Nodes * :art: improve error notification * :art: refactor interfaces * :zap: add WorkflowOperationError, refactor error throwing * 👕 fix linter issues * :art: rename param * :bug: fix handling normal errors * :zap: add usage of NodeApiError * :art: fix throw new error instead of constructor * :art: remove unnecessary code/comments * :art: adjusted spacing + updated status messages * :art: fix tab indentation * ✨ Replace current errors with custom errors (#1576) * :zap: Introduce NodeApiError in catch blocks * :zap: Introduce NodeOperationError in nodes * :zap: Add missing errors and remove incompatible * :zap: Fix NodeOperationError in incompatible nodes * :wrench: Adjust error handling in missed nodes PayPal, FileMaker, Reddit, Taiga and Facebook Graph API nodes * :hammer: Adjust Strava Trigger node error handling * :hammer: Adjust AWS nodes error handling * :hammer: Remove duplicate instantiation of NodeApiError * :bug: fix strava trigger node error handling * Add XML parsing to NodeApiError constructor (#1633) * :bug: Remove type annotation from catch variable * :sparkles: Add XML parsing to NodeApiError * :zap: Simplify error handling in Rekognition node * :zap: Pass in XML flag in generic functions * :fire: Remove try/catch wrappers at call sites * :hammer: Refactor setting description from XML * :hammer: Refactor let to const in resource loaders * :zap: Find property in parsed XML * :zap: Change let to const * :fire: Remove unneeded try/catch block * :shirt: Fix linting issues * :bug: Fix errors from merge conflict resolution * :zap: Add custom errors to latest contributions * :shirt: Fix linting issues * :zap: Refactor MongoDB helpers for custom errors * :bug: Correct custom error type * :zap: Apply feedback to A nodes * :zap: Apply feedback to missed A node * :zap: Apply feedback to B-D nodes * :zap: Apply feedback to E-F nodes * :zap: Apply feedback to G nodes * :zap: Apply feedback to H-L nodes * :zap: Apply feedback to M nodes * :zap: Apply feedback to P nodes * :zap: Apply feedback to R nodes * :zap: Apply feedback to S nodes * :zap: Apply feedback to T nodes * :zap: Apply feedback to V-Z nodes * :zap: Add HTTP code to iterable node error * :hammer: Standardize e as error * :hammer: Standardize err as error * :zap: Fix error handling for non-standard nodes Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
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NodeOperationError,
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} from 'n8n-workflow';
const { NodeVM } = require('vm2');
export class FunctionItem implements INodeType {
description: INodeTypeDescription = {
displayName: 'Function Item',
name: 'functionItem',
icon: 'fa:code',
group: ['transform'],
version: 1,
description: 'Run custom function code which gets executed once per item',
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defaults: {
name: 'FunctionItem',
color: '#ddbb33',
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},
inputs: ['main'],
outputs: ['main'],
properties: [
{
displayName: 'JavaScript Code',
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name: 'functionCode',
typeOptions: {
alwaysOpenEditWindow: true,
editor: 'code',
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rows: 10,
},
type: 'string',
default: `// Code here will run once per input item.
// More info and help: https://docs.n8n.io/nodes/n8n-nodes-base.functionItem
// Add a new field called 'myNewField' to the JSON of the item
item.myNewField = 1;
// You can write logs to the browser console
console.log('Done!');
return item;`,
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description: 'The JavaScript code to execute for each item.',
noDataExpression: true,
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},
],
};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: INodeExecutionData[] = [];
const length = items.length as unknown as number;
let item: INodeExecutionData;
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for (let itemIndex = 0; itemIndex < length; itemIndex++) {
try {
:zap: Add full continue-on-fail support to all nodes (#1996) * Update Compression node * Update Crypto node * Update DateTime node * Update EditImage node * Update EmailSend node * Update ExecuteWorkflow node * Update FTP node * Update Function node * Update FunctionItem node * Update ExecuteCommand node * Update OpenWeatherMap node * Update ReadBinaryFile node * Update ReadPdf node * Update RssFeedRead node & add URL validation * Update SpreadsheetFile node * Update Switch node * Update WriteBinaryFile node * Update Xml node * Update ActiveCampaign node * Update Airtable node * Update ApiTemplateIo node * Update Asana node * Update AwsLambda node * Update AwsSns node * Update AwsComprehend node * Update AwsRekognition node * Update AwsS3 node * Fix Error item * Update AwsSes node * Update AwsSqs node * Update Amqp node * Update Bitly node * Update Box node * Update Brandfetch node * Update CircleCi node * Update Clearbit node * Update ClickUp node * Update Cockpit node * Update CoinGecko node * Update Contentful node * Update ConvertKit node * Update Cortex node * Update CustomerIo node * Update DeepL node * Update Demio node * Update Disqus node * Update Drift node * Update Dropbox node * Update GetResponse node * Refactor & Update Ghost node * Update Github node * Update Gitlab node * Update GoogleAnalytics node * Update GoogleBooks node * Update GoogleCalendar node * Update GoogleDrive node * Update Gmail node * Update GoogleSheets node * Update GoogleSlides node * Update GoogleTasks node * Update Gotify node * Update GraphQL node * Update HackerNews node * Update Harvest node * Update HtmlExtract node * Update Hubspot node * Update Hunter node * Update Intercom node * Update Kafka node * Refactor & update Line node * Update LinkedIn node * Update Mailchimp node * Update Mandrill node * Update Matrix node * Update Mautic node * Update Medium node * Update MessageBird node * Update Mindee node * Update Mocean node * Update MondayCom node * Update MicrosoftExcel node * Update MicrosoftOneDrive node * Update MicrosoftOutlook node * Update Affinity node * Update Chargebee node * Update Discourse node * Update Freshdesk node * Update YouTube node * Update InvoiceNinja node * Update MailerLite node * Update Mailgun node * Update Mailjet node * Update Mattermost node * Update Nasa node * Update NextCloud node * Update OpenThesaurus node * Update Orbit node * Update PagerDuty node * Update PayPal node * Update Peekalink node * Update Phantombuster node * Update PostHog node * Update ProfitWell node * Refactor & Update Pushbullet node * Update QuickBooks node * Update Raindrop node * Update Reddit node * Update Rocketchat node * Update S3 node * Update Salesforce node * Update SendGrid node * Update SentryIo node * Update Shopify node * Update Signl4 node * Update Slack node * Update Spontit node * Update Spotify node * Update Storyblok node * Refactor & Update Strapi node * Refactor & Update Strava node * Update Taiga node * Refactor & update Tapfiliate node * Update Telegram node * Update TheHive node * Update Todoist node * Update TravisCi node * Update Trello node * Update Twilio node * Update Twist node * Update Twitter node * Update Uplead node * Update UProc node * Update Vero node * Update Webflow node * Update Wekan node * Update Wordpress node * Update Xero node * Update Yourls node * Update Zendesk node * Update ZohoCrm node * Refactor & Update Zoom node * Update Zulip node * Update Clockify node * Update MongoDb node * Update MySql node * Update MicrosoftTeams node * Update Stackby node * Refactor Discourse node * Support corner-case in Github node update * Support corner-case in Gitlab node update * Refactor & Update GoogleContacts node * Refactor Mindee node * Update Coda node * Lint fixes * Update Beeminder node * Update Google Firebase RealtimeDatabase node * Update HelpScout node * Update Mailcheck node * Update Paddle node * Update Pipedrive node * Update Pushover node * Update Segment node * Refactor & Update Vonage node * Added new conditions to warnings on execute batch cmd * Added keep only properties flag * Fixed code for keep only props * Added dependencies for image editing Co-authored-by: dali <servfrdali@yahoo.fr>
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item = items[itemIndex];
// Copy the items as they may get changed in the functions
item = JSON.parse(JSON.stringify(item));
// Define the global objects for the custom function
const sandbox = {
getBinaryData: (): IBinaryKeyData | undefined => {
return item.binary;
},
getNodeParameter: this.getNodeParameter,
getWorkflowStaticData: this.getWorkflowStaticData,
helpers: this.helpers,
item: item.json,
setBinaryData: (data: IBinaryKeyData) => {
item.binary = data;
},
};
// Make it possible to access data via $node, $parameter, ...
const dataProxy = this.getWorkflowDataProxy(itemIndex);
Object.assign(sandbox, dataProxy);
const mode = this.getMode();
const options = {
console: (mode === 'manual') ? 'redirect' : 'inherit',
sandbox,
require: {
external: false as boolean | { modules: string[] },
builtin: [] as string[],
},
};
if (process.env.NODE_FUNCTION_ALLOW_BUILTIN) {
options.require.builtin = process.env.NODE_FUNCTION_ALLOW_BUILTIN.split(',');
}
if (process.env.NODE_FUNCTION_ALLOW_EXTERNAL) {
options.require.external = { modules: process.env.NODE_FUNCTION_ALLOW_EXTERNAL.split(',') };
}
const vm = new NodeVM(options);
if (mode === 'manual') {
vm.on('console.log', this.sendMessageToUI);
}
// Get the code to execute
const functionCode = this.getNodeParameter('functionCode', itemIndex) as string;
let jsonData: IDataObject;
try {
// Execute the function code
jsonData = await vm.run(`module.exports = async function() {${functionCode}}()`, __dirname);
} catch (error) {
if (this.continueOnFail()) {
returnData.push({json:{ error: error.message }});
continue;
} else {
return Promise.reject(error);
}
}
// Do very basic validation of the data
if (jsonData === undefined) {
throw new NodeOperationError(this.getNode(), 'No data got returned. Always an object has to be returned!');
}
const returnItem: INodeExecutionData = {
json: jsonData,
};
if (item.binary) {
returnItem.binary = item.binary;
}
returnData.push(returnItem);
:sparkles: Improve node error handling (#1309) * Add path mapping and response error interfaces * Add error handling and throwing functionality * Refactor error handling into a single function * Re-implement error handling in Hacker News node * Fix linting details * Re-implement error handling in Spotify node * Re-implement error handling in G Suite Admin node * :construction: create basic setup NodeError * :construction: add httpCodes * :construction: add path priolist * :construction: handle statusCode in error, adjust interfaces * :construction: fixing type issues w/Ivan * :construction: add error exploration * 👔 fix linter issues * :wrench: improve object check * :construction: remove path passing from NodeApiError * :construction: add multi error + refactor findProperty method * 👔 allow any * :wrench: handle multi error message callback * :zap: change return type of callback * :zap: add customCallback to MultiError * :construction: refactor to use INode * :hammer: handle arrays, continue search after first null property found * 🚫 refactor method access * :construction: setup NodeErrorView * :zap: change timestamp to Date.now * :books: Add documentation for methods and constants * :construction: change message setting * 🚚 move NodeErrors to workflow * :sparkles: add new ErrorView for Nodes * :art: improve error notification * :art: refactor interfaces * :zap: add WorkflowOperationError, refactor error throwing * 👕 fix linter issues * :art: rename param * :bug: fix handling normal errors * :zap: add usage of NodeApiError * :art: fix throw new error instead of constructor * :art: remove unnecessary code/comments * :art: adjusted spacing + updated status messages * :art: fix tab indentation * ✨ Replace current errors with custom errors (#1576) * :zap: Introduce NodeApiError in catch blocks * :zap: Introduce NodeOperationError in nodes * :zap: Add missing errors and remove incompatible * :zap: Fix NodeOperationError in incompatible nodes * :wrench: Adjust error handling in missed nodes PayPal, FileMaker, Reddit, Taiga and Facebook Graph API nodes * :hammer: Adjust Strava Trigger node error handling * :hammer: Adjust AWS nodes error handling * :hammer: Remove duplicate instantiation of NodeApiError * :bug: fix strava trigger node error handling * Add XML parsing to NodeApiError constructor (#1633) * :bug: Remove type annotation from catch variable * :sparkles: Add XML parsing to NodeApiError * :zap: Simplify error handling in Rekognition node * :zap: Pass in XML flag in generic functions * :fire: Remove try/catch wrappers at call sites * :hammer: Refactor setting description from XML * :hammer: Refactor let to const in resource loaders * :zap: Find property in parsed XML * :zap: Change let to const * :fire: Remove unneeded try/catch block * :shirt: Fix linting issues * :bug: Fix errors from merge conflict resolution * :zap: Add custom errors to latest contributions * :shirt: Fix linting issues * :zap: Refactor MongoDB helpers for custom errors * :bug: Correct custom error type * :zap: Apply feedback to A nodes * :zap: Apply feedback to missed A node * :zap: Apply feedback to B-D nodes * :zap: Apply feedback to E-F nodes * :zap: Apply feedback to G nodes * :zap: Apply feedback to H-L nodes * :zap: Apply feedback to M nodes * :zap: Apply feedback to P nodes * :zap: Apply feedback to R nodes * :zap: Apply feedback to S nodes * :zap: Apply feedback to T nodes * :zap: Apply feedback to V-Z nodes * :zap: Add HTTP code to iterable node error * :hammer: Standardize e as error * :hammer: Standardize err as error * :zap: Fix error handling for non-standard nodes Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
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} catch (error) {
:zap: Add full continue-on-fail support to all nodes (#1996) * Update Compression node * Update Crypto node * Update DateTime node * Update EditImage node * Update EmailSend node * Update ExecuteWorkflow node * Update FTP node * Update Function node * Update FunctionItem node * Update ExecuteCommand node * Update OpenWeatherMap node * Update ReadBinaryFile node * Update ReadPdf node * Update RssFeedRead node & add URL validation * Update SpreadsheetFile node * Update Switch node * Update WriteBinaryFile node * Update Xml node * Update ActiveCampaign node * Update Airtable node * Update ApiTemplateIo node * Update Asana node * Update AwsLambda node * Update AwsSns node * Update AwsComprehend node * Update AwsRekognition node * Update AwsS3 node * Fix Error item * Update AwsSes node * Update AwsSqs node * Update Amqp node * Update Bitly node * Update Box node * Update Brandfetch node * Update CircleCi node * Update Clearbit node * Update ClickUp node * Update Cockpit node * Update CoinGecko node * Update Contentful node * Update ConvertKit node * Update Cortex node * Update CustomerIo node * Update DeepL node * Update Demio node * Update Disqus node * Update Drift node * Update Dropbox node * Update GetResponse node * Refactor & Update Ghost node * Update Github node * Update Gitlab node * Update GoogleAnalytics node * Update GoogleBooks node * Update GoogleCalendar node * Update GoogleDrive node * Update Gmail node * Update GoogleSheets node * Update GoogleSlides node * Update GoogleTasks node * Update Gotify node * Update GraphQL node * Update HackerNews node * Update Harvest node * Update HtmlExtract node * Update Hubspot node * Update Hunter node * Update Intercom node * Update Kafka node * Refactor & update Line node * Update LinkedIn node * Update Mailchimp node * Update Mandrill node * Update Matrix node * Update Mautic node * Update Medium node * Update MessageBird node * Update Mindee node * Update Mocean node * Update MondayCom node * Update MicrosoftExcel node * Update MicrosoftOneDrive node * Update MicrosoftOutlook node * Update Affinity node * Update Chargebee node * Update Discourse node * Update Freshdesk node * Update YouTube node * Update InvoiceNinja node * Update MailerLite node * Update Mailgun node * Update Mailjet node * Update Mattermost node * Update Nasa node * Update NextCloud node * Update OpenThesaurus node * Update Orbit node * Update PagerDuty node * Update PayPal node * Update Peekalink node * Update Phantombuster node * Update PostHog node * Update ProfitWell node * Refactor & Update Pushbullet node * Update QuickBooks node * Update Raindrop node * Update Reddit node * Update Rocketchat node * Update S3 node * Update Salesforce node * Update SendGrid node * Update SentryIo node * Update Shopify node * Update Signl4 node * Update Slack node * Update Spontit node * Update Spotify node * Update Storyblok node * Refactor & Update Strapi node * Refactor & Update Strava node * Update Taiga node * Refactor & update Tapfiliate node * Update Telegram node * Update TheHive node * Update Todoist node * Update TravisCi node * Update Trello node * Update Twilio node * Update Twist node * Update Twitter node * Update Uplead node * Update UProc node * Update Vero node * Update Webflow node * Update Wekan node * Update Wordpress node * Update Xero node * Update Yourls node * Update Zendesk node * Update ZohoCrm node * Refactor & Update Zoom node * Update Zulip node * Update Clockify node * Update MongoDb node * Update MySql node * Update MicrosoftTeams node * Update Stackby node * Refactor Discourse node * Support corner-case in Github node update * Support corner-case in Gitlab node update * Refactor & Update GoogleContacts node * Refactor Mindee node * Update Coda node * Lint fixes * Update Beeminder node * Update Google Firebase RealtimeDatabase node * Update HelpScout node * Update Mailcheck node * Update Paddle node * Update Pipedrive node * Update Pushover node * Update Segment node * Refactor & Update Vonage node * Added new conditions to warnings on execute batch cmd * Added keep only properties flag * Fixed code for keep only props * Added dependencies for image editing Co-authored-by: dali <servfrdali@yahoo.fr>
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if (this.continueOnFail()) {
returnData.push({json:{ error: error.message }});
continue;
}
throw error;
}
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}
return this.prepareOutputData(returnData);
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}
}