Nested documents will have a '.' appended between the keys.

It automatically generates column headings based on the keys of the JSON documents. This package converts an array of JSON documents into a CSV string. To do the JSON to CSV conversion, we'll be using the json-2-csv module from Node Package Manager (NPM). This article is the continuation of the previous article where you'll how to convert a JSON array into a CSV file.

Require('csvtojson') returns a constructor function which takes 2 arguments:Ĭonst converter=csv(parserParameters, streamOptions)įor Stream Options please read Stream Option from Node.In an earlier article, we looked at converting a CSV file to a JSON array in a Node.js application. To find more detailed usage, please see API section Command Line Usage Installation $ npm i -g csvtojson Usage $ csvtojson ExampleĬonvert csv file and save result to json file: $ csvtojson source.csv > converted.json ReadStream.pipe(csv()).pipe(writeStream) }) Use Stream const csv=require('csvtojson') Ĭonst readStream=require('fs').createReadStream(csvFilePath) },onError,onComplete) Convert to CSV lines /** }) Asynchronously process each line from csv url const request=require('request') Library Installation npm i -save csvtojson From CSV File to JSON Array /** csv fileĬonst jsonArray=await csv().fromFile(csvFilePath) From CSV String to CSV Row /**Ĭonsole.log(csvRow) // =>, , ] If you are looking for documentation for v1, open this pageĬonst csvtojsonV1=require('csvtojson/v1') Ĭonst csvtojsonV2=require('csvtojson/v2') Menu.To upgrade to v2, please follow upgrading guide.Here is a free online csv to json convert service utilizing latest csvtojson module. Provide a csv parser for both Node.JS and browsers.Give flexibility to developer with 'pre-defined' helpers.Provide out of box CSV parsing tool for Command Line.Provide comprehensive parsing parameters.Work with millions of lines of CSV data.It can be used as node.js library / command line tool / or in browser. Csvtojson module is a comprehensive nodejs csv parser to convert csv to json or column arrays.

Json to csv npm