diff --git a/packages/nodes-base/credentials/SendGridApi.credentials.ts b/packages/nodes-base/credentials/SendGridApi.credentials.ts new file mode 100644 index 0000000000..1ff2da8151 --- /dev/null +++ b/packages/nodes-base/credentials/SendGridApi.credentials.ts @@ -0,0 +1,18 @@ +import { + ICredentialType, + NodePropertyTypes, +} from 'n8n-workflow'; + +export class SendGridApi implements ICredentialType { + name = 'sendGridApi'; + displayName = 'SendGrid API'; + documentationUrl = 'sendgrid'; + properties = [ + { + displayName: 'API Key', + name: 'apiKey', + type: 'string' as NodePropertyTypes, + default: '', + }, + ]; +} diff --git a/packages/nodes-base/nodes/SendGrid/ContactDescription.ts b/packages/nodes-base/nodes/SendGrid/ContactDescription.ts new file mode 100644 index 0000000000..48e1052e6c --- /dev/null +++ b/packages/nodes-base/nodes/SendGrid/ContactDescription.ts @@ -0,0 +1,404 @@ +import { + INodeProperties, +} from 'n8n-workflow'; + +export const contactOperations = [ + { + displayName: 'Operation', + name: 'operation', + type: 'options', + displayOptions: { + show: { + resource: [ + 'contact', + ], + }, + }, + options: [ + { + name: 'Create/Update', + value: 'upsert', + description: 'Create/update a contact', + }, + { + name: 'Delete', + value: 'delete', + description: 'Delete a contact', + }, + { + name: 'Get', + value: 'get', + description: 'Get a contact by ID', + }, + { + name: 'Get All', + value: 'getAll', + description: 'Get all contacts', + }, + ], + default: 'upsert', + description: 'The operation to perform.', + }, +] as INodeProperties[]; + +export const contactFields = [ + /* -------------------------------------------------------------------------- */ + /* contact:getAll */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'Return All', + name: 'returnAll', + type: 'boolean', + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'getAll', + ], + }, + }, + default: false, + description: 'If set to true, all the results will be returned.', + }, + { + displayName: 'Limit', + name: 'limit', + type: 'number', + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'getAll', + ], + returnAll: [ + false, + ], + }, + }, + typeOptions: { + minValue: 1, + maxValue: 1000, + }, + default: 100, + description: 'How many results to return.', + }, + { + displayName: 'Filters', + name: 'filters', + type: 'collection', + placeholder: 'Add Field', + default: {}, + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'getAll', + ], + }, + }, + options: [ + { + displayName: 'Query', + name: 'query', + type: 'string', + default: '', + description: 'The query field accepts valid SGQL for searching for a contact.', + }, + ], + }, + + /* -------------------------------------------------------------------------- */ + /* contact:create */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'Email', + name: 'email', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'upsert', + ], + resource: [ + 'contact', + ], + }, + }, + default: '', + description: 'Primary email for the contact.', + }, + { + displayName: 'Additional Fields', + name: 'additionalFields', + type: 'collection', + placeholder: 'Add Field', + default: {}, + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'upsert', + ], + }, + }, + options: [ + { + displayName: 'Address', + name: 'addressUi', + placeholder: 'Address', + type: 'fixedCollection', + typeOptions: { + multipleValues: false, + }, + default: {}, + options: [ + { + name: 'addressValues', + displayName: 'Address', + values: [ + { + displayName: 'Address Line 1', + name: 'address1', + type: 'string', + default: '', + }, + { + displayName: 'Address Line 2', + name: 'address2', + type: 'string', + default: '', + }, + ], + }, + ], + }, + { + displayName: 'Alternate Emails', + name: 'alternateEmails', + type: 'string', + default: '', + }, + { + displayName: 'City', + name: 'city', + type: 'string', + default: '', + }, + { + displayName: 'Country', + name: 'country', + type: 'string', + default: '', + }, + { + displayName: 'First Name', + name: 'firstName', + type: 'string', + default: '', + }, + { + displayName: 'Last Name', + name: 'lastName', + type: 'string', + default: '', + }, + { + displayName: 'Postal Code', + name: 'postalCode', + type: 'string', + default: '', + }, + { + displayName: 'State/Province/Region', + name: 'stateProvinceRegion', + type: 'string', + default: '', + }, + { + displayName: 'List IDs', + name: 'listIdsUi', + placeholder: 'List IDs', + description: 'Adds a custom field to set also values which have not been predefined.', + type: 'fixedCollection', + default: {}, + options: [ + { + name: 'listIdValues', + displayName: 'List IDs', + values: [ + { + displayName: 'List IDs', + name: 'listIds', + type: 'multiOptions', + typeOptions: { + loadOptionsMethod: 'getListIds', + }, + default: '', + description: 'ID of the field to set.', + }, + ], + }, + ], + }, + { + displayName: 'Custom Fields', + name: 'customFieldsUi', + placeholder: 'Add Custom Fields', + description: 'Adds custom fields', + type: 'fixedCollection', + typeOptions: { + multipleValues: true, + }, + default: {}, + options: [ + { + name: 'customFieldValues', + displayName: 'Field', + values: [ + { + displayName: 'Field ID', + name: 'fieldId', + type: 'options', + typeOptions: { + loadOptionsMethod: 'getCustomFields', + }, + default: '', + description: 'ID of the field', + }, + { + displayName: 'Field Value', + name: 'fieldValue', + type: 'string', + default: '', + description: 'Value for the field', + }, + ], + }, + ], + }, + ], + }, + + /* -------------------------------------------------------------------------- */ + /* contact:delete */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'Contact IDs', + name: 'ids', + type: 'string', + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'delete', + ], + deleteAll: [ + false, + ], + }, + }, + description: 'ID of the contact. Multiple can be added separated by comma.', + }, + { + displayName: 'Delete All', + name: 'deleteAll', + type: 'boolean', + displayOptions: { + show: { + resource: [ + 'contact', + ], + operation: [ + 'delete', + ], + }, + }, + default: false, + description: 'If set to true, all contacts will be deleted.', + }, + + /* -------------------------------------------------------------------------- */ + /* contact:get */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'By', + name: 'by', + type: 'options', + options: [ + { + name: 'ID', + value: 'id', + }, + { + name: 'Email', + value: 'email', + }, + ], + required: true, + displayOptions: { + show: { + operation: [ + 'get', + ], + resource: [ + 'contact', + ], + }, + }, + default: 'id', + description: 'Search the user by ID or email.', + }, + { + displayName: 'Contact ID', + name: 'contactId', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'get', + ], + resource: [ + 'contact', + ], + by: [ + 'id', + ], + }, + }, + default: '', + description: 'ID of the contact.', + }, + { + displayName: 'Email', + name: 'email', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'get', + ], + resource: [ + 'contact', + ], + by: [ + 'email', + ], + }, + }, + default: '', + description: 'Email of the contact.', + }, +] as INodeProperties[]; diff --git a/packages/nodes-base/nodes/SendGrid/GenericFunctions.ts b/packages/nodes-base/nodes/SendGrid/GenericFunctions.ts new file mode 100644 index 0000000000..60612c7de8 --- /dev/null +++ b/packages/nodes-base/nodes/SendGrid/GenericFunctions.ts @@ -0,0 +1,74 @@ +import { + OptionsWithUri, +} from 'request'; + +import { + IExecuteFunctions, + IExecuteSingleFunctions, + IHookFunctions, + ILoadOptionsFunctions, +} from 'n8n-core'; + +import { + IDataObject, +} from 'n8n-workflow'; + +export async function sendGridApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, endpoint: string, method: string, body: any = {}, qs: IDataObject = {}, uri?: string | undefined): Promise { // tslint:disable-line:no-any + const credentials = this.getCredentials('sendGridApi') as IDataObject; + + const host = 'api.sendgrid.com/v3'; + + const options: OptionsWithUri = { + headers: { + Authorization: `Bearer ${credentials.apiKey}`, + }, + method, + qs, + body, + uri: uri || `https://${host}${endpoint}`, + json: true, + }; + + if (Object.keys(body).length === 0) { + delete options.body; + } + + try { + //@ts-ignore + return await this.helpers.request!(options); + } catch (error) { + if (error.response && error.response.body && error.response.body.errors) { + + let errors = error.response.body.errors; + + errors = errors.map((e: IDataObject) => e.message); + // Try to return the error prettier + throw new Error( + `SendGrid error response [${error.statusCode}]: ${errors.join('|')}`, + ); + } + throw error; + } +} + +export async function sendGridApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, endpoint: string, method: string, propertyName: string, body: any = {}, query: IDataObject = {}): Promise { // tslint:disable-line:no-any + + const returnData: IDataObject[] = []; + + let responseData; + + let uri; + + do { + responseData = await sendGridApiRequest.call(this, endpoint, method, body, query, uri); + uri = responseData._metadata.next; + returnData.push.apply(returnData, responseData[propertyName]); + if (query.limit && returnData.length >= query.limit) { + return returnData; + } + } while ( + responseData._metadata.next !== undefined + ); + + return returnData; +} diff --git a/packages/nodes-base/nodes/SendGrid/ListDescription.ts b/packages/nodes-base/nodes/SendGrid/ListDescription.ts new file mode 100644 index 0000000000..23da1e836e --- /dev/null +++ b/packages/nodes-base/nodes/SendGrid/ListDescription.ts @@ -0,0 +1,233 @@ +import { + INodeProperties, +} from 'n8n-workflow'; + +export const listOperations = [ + { + displayName: 'Operation', + name: 'operation', + type: 'options', + displayOptions: { + show: { + resource: [ + 'list', + ], + }, + }, + options: [ + { + name: 'Create', + value: 'create', + description: 'Create a list', + }, + { + name: 'Delete', + value: 'delete', + description: 'Delete a list', + }, + { + name: 'Get', + value: 'get', + description: 'Get a list', + }, + { + name: 'Get All', + value: 'getAll', + description: 'Get all lists', + }, + { + name: 'Update', + value: 'update', + description: 'Update a list', + }, + ], + default: 'create', + description: 'The operation to perform.', + }, +] as INodeProperties[]; + +export const listFields = [ + /* -------------------------------------------------------------------------- */ + /* list:getAll */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'Return All', + name: 'returnAll', + type: 'boolean', + displayOptions: { + show: { + resource: [ + 'list', + ], + operation: [ + 'getAll', + ], + }, + }, + default: false, + description: 'If set to true, all the results will be returned.', + }, + { + displayName: 'Limit', + name: 'limit', + type: 'number', + displayOptions: { + show: { + resource: [ + 'list', + ], + operation: [ + 'getAll', + ], + returnAll: [ + false, + ], + }, + }, + typeOptions: { + minValue: 1, + maxValue: 1000, + }, + default: 100, + description: 'How many results to return.', + }, + + /* -------------------------------------------------------------------------- */ + /* list:create */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'Name', + name: 'name', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'create', + ], + resource: [ + 'list', + ], + }, + }, + default: '', + description: 'Name of the list.', + }, + + /* -------------------------------------------------------------------------- */ + /* list:delete */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'List ID', + name: 'listId', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'delete', + ], + resource: [ + 'list', + ], + }, + }, + default: '', + description: 'ID of the list.', + }, + { + displayName: 'Delete Contacts', + name: 'deleteContacts', + type: 'boolean', + default: false, + displayOptions: { + show: { + operation: [ + 'delete', + ], + resource: [ + 'list', + ], + }, + }, + description: 'Delete all contacts on the list.', + }, + + /* -------------------------------------------------------------------------- */ + /* list:get */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'List ID', + name: 'listId', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'get', + ], + resource: [ + 'list', + ], + }, + }, + default: '', + description: 'ID of the list.', + }, + { + displayName: 'Contact Sample', + name: 'contactSample', + type: 'boolean', + default: false, + displayOptions: { + show: { + operation: [ + 'get', + ], + resource: [ + 'list', + ], + }, + }, + description: 'Return the contact sample.', + }, + /* -------------------------------------------------------------------------- */ + /* list:update */ + /* -------------------------------------------------------------------------- */ + { + displayName: 'List ID', + name: 'listId', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'update', + ], + resource: [ + 'list', + ], + }, + }, + default: '', + description: 'ID of the list.', + }, + { + displayName: 'Name', + name: 'name', + type: 'string', + required: true, + displayOptions: { + show: { + operation: [ + 'update', + ], + resource: [ + 'list', + ], + }, + }, + default: '', + description: 'Name of the list.', + }, +] as INodeProperties[]; diff --git a/packages/nodes-base/nodes/SendGrid/SendGrid.node.ts b/packages/nodes-base/nodes/SendGrid/SendGrid.node.ts new file mode 100644 index 0000000000..490039dd77 --- /dev/null +++ b/packages/nodes-base/nodes/SendGrid/SendGrid.node.ts @@ -0,0 +1,294 @@ +import { + IExecuteFunctions, +} from 'n8n-core'; + +import { + IDataObject, + ILoadOptionsFunctions, + INodeExecutionData, + INodePropertyOptions, + INodeType, + INodeTypeDescription +} from 'n8n-workflow'; + +import { + listFields, + listOperations, +} from './ListDescription'; + +import { + contactFields, + contactOperations +} from './ContactDescription'; + +import { + sendGridApiRequest, + sendGridApiRequestAllItems, +} from './GenericFunctions'; + +export class SendGrid implements INodeType { + description: INodeTypeDescription = { + displayName: 'SendGrid', + name: 'sendGrid', + icon: 'file:sendGrid.svg', + group: ['transform'], + version: 1, + subtitle: '={{$parameter["operation"] + ":" + $parameter["resource"]}}', + description: 'Consume SendGrid API', + defaults: { + name: 'SendGrid', + color: '#1A82E2', + }, + inputs: ['main'], + outputs: ['main'], + credentials: [ + { + name: 'sendGridApi', + required: true, + }, + ], + properties: [ + // Node properties which the user gets displayed and + // can change on the node. + { + displayName: 'Resource', + name: 'resource', + type: 'options', + options: [ + { + name: 'Contact', + value: 'contact', + }, + { + name: 'List', + value: 'list', + }, + ], + default: 'list', + required: true, + description: 'Resource to consume', + }, + ...listOperations, + ...listFields, + ...contactOperations, + ...contactFields, + ], + }; + + methods ={ + loadOptions: { + // Get custom fields to display to user so that they can select them easily + async getCustomFields(this: ILoadOptionsFunctions,):Promise{ + const returnData: INodePropertyOptions[] = []; + const { custom_fields } = await sendGridApiRequest.call(this, '/marketing/field_definitions', 'GET', {}, {}); + if (custom_fields !== undefined) { + for (const customField of custom_fields){ + returnData.push({ + name: customField.name, + value: customField.id, + }); + } + } + return returnData; + }, + // Get lists to display to user so that they can select them easily + async getListIds(this: ILoadOptionsFunctions): Promise { + const returnData: INodePropertyOptions[] = []; + const lists = await sendGridApiRequestAllItems.call(this, `/marketing/lists`, 'GET', 'result', {}, {}); + for (const list of lists) { + returnData.push({ + name: list.name, + value: list.id, + }); + } + return returnData; + }, + }, + }; + + async execute(this: IExecuteFunctions): Promise { + const items = this.getInputData(); + const length = (items.length as unknown) as number; + const qs: IDataObject = {}; + let responseData; + const returnData: IDataObject[] = []; + const resource = this.getNodeParameter('resource', 0) as string; + const operation = this.getNodeParameter('operation', 0) as string; + // https://sendgrid.com/docs/api-reference/ + if (resource === 'contact') { + if (operation === 'getAll') { + for (let i = 0; i < length; i++) { + const returnAll = this.getNodeParameter('returnAll', i) as boolean; + const filters = this.getNodeParameter('filters', i) as IDataObject; + let endpoint = '/marketing/contacts'; + let method = 'GET'; + const body: IDataObject = {}; + if (filters.query && filters.query !== '') { + endpoint = '/marketing/contacts/search'; + method = 'POST'; + Object.assign(body, { query: filters.query }); + } + responseData = await sendGridApiRequestAllItems.call(this, endpoint, method, 'result', body, qs); + if (returnAll === false) { + const limit = this.getNodeParameter('limit', i) as number; + responseData = responseData.splice(0, limit); + } + returnData.push.apply(returnData, responseData); + } + } + if (operation === 'get') { + const by = this.getNodeParameter('by', 0) as string; + let endpoint; + let method; + const body: IDataObject = {}; + for (let i = 0; i < length; i++) { + if (by === 'id') { + method = 'GET'; + const contactId = this.getNodeParameter('contactId', i) as string; + endpoint = `/marketing/contacts/${contactId}`; + } else { + const email = this.getNodeParameter('email', i) as string; + endpoint = '/marketing/contacts/search'; + method = 'POST'; + Object.assign(body, { query: `email LIKE '${email}' `}); + } + responseData = await sendGridApiRequest.call(this, endpoint, method, body, qs); + responseData = responseData.result || responseData; + if (Array.isArray(responseData)) { + responseData = responseData[0]; + } + returnData.push(responseData); + } + } + if (operation === 'upsert') { + const contacts = []; + for (let i = 0; i < length; i++) { + const email = this.getNodeParameter('email',i) as string; + const additionalFields = this.getNodeParameter( + 'additionalFields', + i, + ) as IDataObject; + const contact: IDataObject = { + email, + }; + if (additionalFields.addressUi) { + const addressValues = (additionalFields.addressUi as IDataObject).addressValues as IDataObject; + const addressLine1 = addressValues.address1 as string; + const addressLine2 = addressValues.address2 as string; + if (addressLine2){ + Object.assign(contact, { address_line_2: addressLine2 }); + } + Object.assign(contact, { address_line_1: addressLine1 }); + } + if (additionalFields.city) { + const city = additionalFields.city as string; + Object.assign(contact, { city }); + } + if (additionalFields.country) { + const country = additionalFields.country as string; + Object.assign(contact, { country }); + } + if (additionalFields.firstName) { + const firstName = additionalFields.firstName as string; + Object.assign(contact, { first_name: firstName }); + } + if (additionalFields.lastName) { + const lastName = additionalFields.lastName as string; + Object.assign(contact, { last_name:lastName}); + } + if (additionalFields.postalCode) { + const postalCode = additionalFields.postalCode as string; + Object.assign(contact, { postal_code: postalCode }); + } + if (additionalFields.stateProvinceRegion) { + const stateProvinceRegion = additionalFields.stateProvinceRegion as string; + Object.assign(contact, { state_province_region: stateProvinceRegion }); + } + if (additionalFields.alternateEmails) { + const alternateEmails = ((additionalFields.alternateEmails as string).split(',') as string[]).filter(email => !!email); + if (alternateEmails.length !== 0) { + Object.assign(contact, { alternate_emails: alternateEmails }); + } + } + if (additionalFields.listIdsUi) { + const listIdValues = (additionalFields.listIdsUi as IDataObject).listIdValues as IDataObject; + const listIds = listIdValues.listIds as IDataObject[]; + Object.assign(contact, { list_ids: listIds }); + } + if (additionalFields.customFieldsUi) { + const customFields = (additionalFields.customFieldsUi as IDataObject).customFieldValues as IDataObject[]; + if (customFields) { + const data = customFields.reduce((obj, value) => Object.assign(obj, { [`${value.fieldId}`]: value.fieldValue }), {}); + Object.assign(contact, { custom_fields: data }); + } + } + contacts.push(contact); + } + responseData = await sendGridApiRequest.call(this, '/marketing/contacts', 'PUT', { contacts }, qs); + + console.log('contacts'); + console.log(contacts); + console.log('responseData'); + console.log(responseData); + returnData.push(responseData); + } + if (operation === 'delete') { + for (let i = 0; i < length; i++) { + const deleteAll = this.getNodeParameter('deleteAll', i) as boolean; + if(deleteAll === true) { + qs.delete_all_contacts = 'true'; + } + qs.ids = (this.getNodeParameter('ids',i) as string).replace(/\s/g, ''); + responseData = await sendGridApiRequest.call(this, `/marketing/contacts`, 'DELETE', {}, qs); + returnData.push(responseData); + } + } + } + if (resource === 'list') { + if (operation === 'getAll'){ + for (let i = 0; i < length; i++) { + const returnAll = this.getNodeParameter('returnAll', i) as boolean; + responseData = await sendGridApiRequestAllItems.call(this, `/marketing/lists`, 'GET', 'result', {}, qs); + if (returnAll === false) { + const limit = this.getNodeParameter('limit', i) as number; + responseData = responseData.splice(0, limit); + } + returnData.push.apply(returnData, responseData); + } + } + if (operation === 'get') { + for (let i = 0; i < length; i++) { + const listId = this.getNodeParameter('listId',i) as string; + qs.contact_sample = this.getNodeParameter('contactSample', i) as boolean; + responseData = await sendGridApiRequest.call(this, `/marketing/lists/${listId}`, 'GET', {}, qs); + returnData.push(responseData); + } + } + if (operation === 'create') { + for (let i = 0; i < length; i++) { + const name = this.getNodeParameter('name',i) as string; + responseData = await sendGridApiRequest.call(this, '/marketing/lists', 'POST', { name }, qs); + returnData.push(responseData); + } + } + if (operation === 'delete') { + for (let i = 0; i < length; i++) { + const listId = this.getNodeParameter('listId',i) as string; + qs.delete_contacts = this.getNodeParameter('deleteContacts', i) as boolean; + responseData = await sendGridApiRequest.call(this, `/marketing/lists/${listId}`, 'DELETE', {}, qs); + responseData = { success: true }; + returnData.push(responseData); + } + } + if (operation=== 'update'){ + for (let i = 0; i < length; i++) { + const name = this.getNodeParameter('name',i) as string; + const listId = this.getNodeParameter('listId',i) as string; + responseData = await sendGridApiRequest.call(this, `/marketing/lists/${listId}`, 'PATCH', { name }, qs); + returnData.push(responseData); + } + } + } + return [this.helpers.returnJsonArray(returnData)]; + } +} diff --git a/packages/nodes-base/nodes/SendGrid/sendGrid.svg b/packages/nodes-base/nodes/SendGrid/sendGrid.svg new file mode 100644 index 0000000000..68fd38911a --- /dev/null +++ b/packages/nodes-base/nodes/SendGrid/sendGrid.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/packages/nodes-base/package.json b/packages/nodes-base/package.json index 30d8d8dba6..27faed7b6a 100644 --- a/packages/nodes-base/package.json +++ b/packages/nodes-base/package.json @@ -183,6 +183,7 @@ "dist/credentials/SalesforceOAuth2Api.credentials.js", "dist/credentials/SalesmateApi.credentials.js", "dist/credentials/SegmentApi.credentials.js", + "dist/credentials/SendGridApi.credentials.js", "dist/credentials/SendyApi.credentials.js", "dist/credentials/SentryIoApi.credentials.js", "dist/credentials/SentryIoServerApi.credentials.js", @@ -428,6 +429,7 @@ "dist/nodes/Salesforce/Salesforce.node.js", "dist/nodes/Set.node.js", "dist/nodes/SentryIo/SentryIo.node.js", + "dist/nodes/SendGrid/SendGrid.node.js", "dist/nodes/Shopify/Shopify.node.js", "dist/nodes/Shopify/ShopifyTrigger.node.js", "dist/nodes/Signl4/Signl4.node.js",