mirror of
https://github.com/n8n-io/n8n.git
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9a1e7b52f7
* WIP: Merge TriggerHelperPanel with MainPanel * WIP: Implement switching between views * Remove logging * WIP: Rework search * Fix category toggling and search results display * Fix node item description * Sort actions based on the root view * Adjust personalisation modal, make trigger canvas node round * Linting fixes * Fix filtering of API options * Fix types and no result state * Cleanup * Linting fixes * Adjust mode prop for node creator tracking * Fix merging of core nodes and filtering of single placeholder actions * Lint fixes * Implement actions override, fix node creator view item spacing and increase click radius of trigger node icon * Fix keyboard view navigation * WIP: E2E Tests * Address product review * Minor fixes & cleanup * Fix tests * Some more test fixes * Add specs to check actions and panels * Update personalisation survey snapshot
507 lines
13 KiB
TypeScript
507 lines
13 KiB
TypeScript
import type { IExecuteFunctions } from 'n8n-core';
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import type {
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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 { NodeOperationError } from 'n8n-workflow';
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import type { JSON2SheetOpts, Sheet2JSONOpts, WorkBook, WritingOptions } from 'xlsx';
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import { read as xlsxRead, utils as xlsxUtils, write as xlsxWrite } from 'xlsx';
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/**
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* Flattens an object with deep data
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*
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* @param {IDataObject} data The object to flatten
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*/
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function flattenObject(data: IDataObject) {
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const returnData: IDataObject = {};
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for (const key1 of Object.keys(data)) {
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if (data[key1] !== null && typeof data[key1] === 'object') {
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if (data[key1] instanceof Date) {
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returnData[key1] = data[key1]?.toString();
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continue;
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}
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const flatObject = flattenObject(data[key1] as IDataObject);
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for (const key2 in flatObject) {
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if (flatObject[key2] === undefined) {
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continue;
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}
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returnData[`${key1}.${key2}`] = flatObject[key2];
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}
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} else {
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returnData[key1] = data[key1];
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}
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}
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return returnData;
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}
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export class SpreadsheetFile implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Spreadsheet File',
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name: 'spreadsheetFile',
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icon: 'fa:table',
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group: ['transform'],
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version: 1,
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description: 'Reads and writes data from a spreadsheet file like CSV, XLS, ODS, etc',
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defaults: {
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name: 'Spreadsheet File',
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color: '#2244FF',
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},
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inputs: ['main'],
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outputs: ['main'],
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properties: [
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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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noDataExpression: true,
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options: [
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{
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name: 'Read From File',
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value: 'fromFile',
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description: 'Reads data from a spreadsheet file',
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action: 'Read data from a spreadsheet file',
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},
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{
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name: 'Write to File',
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value: 'toFile',
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description: 'Writes the workflow data to a spreadsheet file',
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action: 'Write data to a spreadsheet file',
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},
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],
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default: 'fromFile',
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},
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// ----------------------------------
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// fromFile
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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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default: 'data',
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required: true,
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displayOptions: {
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show: {
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operation: ['fromFile'],
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},
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},
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placeholder: '',
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description:
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'Name of the binary property from which to read the binary data of the spreadsheet file',
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},
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// ----------------------------------
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// toFile
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// ----------------------------------
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{
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displayName: 'File Format',
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name: 'fileFormat',
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type: 'options',
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options: [
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{
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name: 'CSV',
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value: 'csv',
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description: 'Comma-separated values',
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},
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{
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name: 'HTML',
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value: 'html',
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description: 'HTML Table',
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},
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{
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name: 'ODS',
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value: 'ods',
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description: 'OpenDocument Spreadsheet',
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},
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{
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name: 'RTF',
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value: 'rtf',
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description: 'Rich Text Format',
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},
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{
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name: 'XLS',
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value: 'xls',
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description: 'Excel',
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},
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{
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name: 'XLSX',
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value: 'xlsx',
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description: 'Excel',
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},
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],
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default: 'xls',
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displayOptions: {
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show: {
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operation: ['toFile'],
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},
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},
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description: 'The format of the file to save the data as',
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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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default: 'data',
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required: true,
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displayOptions: {
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show: {
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operation: ['toFile'],
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},
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},
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placeholder: '',
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description:
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'Name of the binary property in which to save the binary data of the spreadsheet file',
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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: 'Compression',
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name: 'compression',
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type: 'boolean',
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displayOptions: {
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show: {
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'/operation': ['toFile'],
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'/fileFormat': ['xlsx', 'ods'],
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},
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},
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default: false,
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description: 'Whether compression will be applied or not',
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},
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{
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displayName: 'File Name',
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name: 'fileName',
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type: 'string',
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displayOptions: {
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show: {
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'/operation': ['toFile'],
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},
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},
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default: '',
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description:
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'File name to set in binary data. By default will "spreadsheet.<fileFormat>" be used.',
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},
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{
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displayName: 'Header Row',
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name: 'headerRow',
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type: 'boolean',
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displayOptions: {
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show: {
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'/operation': ['fromFile', 'toFile'],
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},
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},
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default: true,
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description: 'Whether the first row of the file contains the header names',
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},
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{
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displayName: 'Include Empty Cells',
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name: 'includeEmptyCells',
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type: 'boolean',
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displayOptions: {
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show: {
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'/operation': ['fromFile'],
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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:
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'When reading from file the empty cells will be filled with an empty string in the JSON',
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},
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{
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displayName: 'RAW Data',
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name: 'rawData',
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type: 'boolean',
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displayOptions: {
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show: {
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'/operation': ['fromFile'],
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},
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},
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default: false,
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description: 'Whether the data should be returned RAW instead of parsed',
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},
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{
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displayName: 'Read As String',
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name: 'readAsString',
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type: 'boolean',
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displayOptions: {
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show: {
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'/operation': ['fromFile'],
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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:
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'In some cases and file formats, it is necessary to read specifically as string else some special character get interpreted wrong',
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},
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{
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displayName: 'Range',
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name: 'range',
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type: 'string',
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displayOptions: {
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show: {
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'/operation': ['fromFile'],
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},
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},
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default: '',
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description:
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'The range to read from the table. If set to a number it will be the starting row. If set to string it will be used as A1-style bounded range.',
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},
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{
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displayName: 'Sheet Name',
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name: 'sheetName',
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type: 'string',
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displayOptions: {
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show: {
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'/operation': ['fromFile'],
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},
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},
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default: 'Sheet',
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description:
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'Name of the sheet to read from in the spreadsheet (if supported). If not set, the first one gets chosen.',
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},
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{
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displayName: 'Sheet Name',
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name: 'sheetName',
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type: 'string',
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displayOptions: {
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show: {
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'/operation': ['toFile'],
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'/fileFormat': ['ods', 'xls', 'xlsx'],
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},
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},
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default: 'Sheet',
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description: 'Name of the sheet to create in the spreadsheet',
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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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const operation = this.getNodeParameter('operation', 0);
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const newItems: INodeExecutionData[] = [];
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if (operation === 'fromFile') {
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// Read data from spreadsheet file to workflow
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let item: INodeExecutionData;
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for (let i = 0; i < items.length; i++) {
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try {
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item = items[i];
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const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i);
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const options = this.getNodeParameter('options', i, {});
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if (item.binary === undefined || item.binary[binaryPropertyName] === undefined) {
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// Property did not get found on item
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continue;
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}
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// Read the binary spreadsheet data
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const binaryData = await this.helpers.getBinaryDataBuffer(i, binaryPropertyName);
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let workbook;
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if (options.readAsString === true) {
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workbook = xlsxRead(binaryData.toString(), {
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type: 'string',
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raw: options.rawData as boolean,
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});
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} else {
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workbook = xlsxRead(binaryData, { raw: options.rawData as boolean });
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}
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if (workbook.SheetNames.length === 0) {
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throw new NodeOperationError(this.getNode(), 'Spreadsheet does not have any sheets!', {
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itemIndex: i,
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});
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}
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let sheetName = workbook.SheetNames[0];
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if (options.sheetName) {
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if (!workbook.SheetNames.includes(options.sheetName as string)) {
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throw new NodeOperationError(
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this.getNode(),
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`Spreadsheet does not contain sheet called "${options.sheetName}"!`,
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{ itemIndex: i },
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);
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}
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sheetName = options.sheetName as string;
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}
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// Convert it to json
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const sheetToJsonOptions: Sheet2JSONOpts = {};
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if (options.range) {
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if (isNaN(options.range as number)) {
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sheetToJsonOptions.range = options.range;
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} else {
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sheetToJsonOptions.range = parseInt(options.range as string, 10);
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}
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}
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if (options.includeEmptyCells) {
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sheetToJsonOptions.defval = '';
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}
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if (options.headerRow === false) {
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sheetToJsonOptions.header = 1; // Consider the first row as a data row
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}
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const sheetJson = xlsxUtils.sheet_to_json(workbook.Sheets[sheetName], sheetToJsonOptions);
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// Check if data could be found in file
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if (sheetJson.length === 0) {
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continue;
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}
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// Add all the found data columns to the workflow data
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if (options.headerRow === false) {
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// Data was returned as an array - https://github.com/SheetJS/sheetjs#json
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for (const rowData of sheetJson) {
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newItems.push({
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json: {
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row: rowData,
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},
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pairedItem: {
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item: i,
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},
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} as INodeExecutionData);
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}
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} else {
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for (const rowData of sheetJson) {
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newItems.push({
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json: rowData,
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pairedItem: {
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item: i,
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},
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} as INodeExecutionData);
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}
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}
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} catch (error) {
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if (this.continueOnFail()) {
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newItems.push({
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json: {
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error: error.message,
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},
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pairedItem: {
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item: i,
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},
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});
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continue;
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}
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throw error;
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}
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}
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return this.prepareOutputData(newItems);
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} else if (operation === 'toFile') {
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try {
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// Write the workflow data to spreadsheet file
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const binaryPropertyName = this.getNodeParameter('binaryPropertyName', 0);
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const fileFormat = this.getNodeParameter('fileFormat', 0) as string;
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const options = this.getNodeParameter('options', 0, {});
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const sheetToJsonOptions: JSON2SheetOpts = {};
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if (options.headerRow === false) {
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sheetToJsonOptions.skipHeader = true;
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}
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// Get the json data of the items and flatten it
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let item: INodeExecutionData;
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const itemData: IDataObject[] = [];
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for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
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item = items[itemIndex];
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itemData.push(flattenObject(item.json));
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}
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const ws = xlsxUtils.json_to_sheet(itemData, sheetToJsonOptions);
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const wopts: WritingOptions = {
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bookSST: false,
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type: 'buffer',
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};
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if (fileFormat === 'csv') {
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wopts.bookType = 'csv';
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} else if (fileFormat === 'html') {
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wopts.bookType = 'html';
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} else if (fileFormat === 'rtf') {
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wopts.bookType = 'rtf';
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} else if (fileFormat === 'ods') {
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wopts.bookType = 'ods';
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if (options.compression) {
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wopts.compression = true;
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}
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} else if (fileFormat === 'xls') {
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wopts.bookType = 'xls';
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} else if (fileFormat === 'xlsx') {
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wopts.bookType = 'xlsx';
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if (options.compression) {
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wopts.compression = true;
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}
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}
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// Convert the data in the correct format
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const sheetName = (options.sheetName as string) || 'Sheet';
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const wb: WorkBook = {
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SheetNames: [sheetName],
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Sheets: {
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[sheetName]: ws,
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},
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};
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const wbout = xlsxWrite(wb, wopts);
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// Create a new item with only the binary spreadsheet data
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const newItem: INodeExecutionData = {
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json: {},
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binary: {},
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pairedItem: {
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item: 0,
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},
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};
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let fileName = `spreadsheet.${fileFormat}`;
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if (options.fileName !== undefined) {
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fileName = options.fileName as string;
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}
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newItem.binary![binaryPropertyName] = await this.helpers.prepareBinaryData(wbout, fileName);
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newItems.push(newItem);
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} catch (error) {
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if (this.continueOnFail()) {
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newItems.push({
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json: {
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error: error.message,
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},
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pairedItem: {
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item: 0,
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},
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});
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} else {
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throw error;
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}
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}
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} else {
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if (this.continueOnFail()) {
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return this.prepareOutputData([
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{ json: { error: `The operation "${operation}" is not supported!` } },
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]);
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} else {
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throw new NodeOperationError(
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this.getNode(),
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`The operation "${operation}" is not supported!`,
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);
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}
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}
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return this.prepareOutputData(newItems);
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}
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}
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