convert json to csv npm

How to Convert JSON to CSV using npm

If you have a JSON file and want to convert it to a CSV file, you can use npm packages to make the process easier. npm, or Node Package Manager, is a tool that allows developers to share and reuse code. Here are some npm packages that can help you with the conversion:

1. json2csv

json2csv is a versatile npm package that can convert JSON data to CSV format with a lot of customization options. First, install the package:

npm install json2csv
    

Then, use the package to convert your JSON data to CSV format:

const { Parser } = require('json2csv');
const fs = require('fs');

const jsonData = [
  {
    name: 'John',
    age: 34,
    gender: 'male'
  },
  {
    name: 'Jane',
    age: 27,
    gender: 'female'
  }
];

const fields = ['name', 'age', 'gender'];

try {
  const parser = new Parser({ fields });
  const csvData = parser.parse(jsonData);
  fs.writeFileSync('output.csv', csvData);
} catch (err) {
  console.error(err);
}
    

2. node-json2csv

node-json2csv is another npm package that can convert JSON data to CSV format. First, install the package:

npm install node-json2csv
    

Then, use the package to convert your JSON data to CSV format:

const json2csv = require('node-json2csv').parse;
const fs = require('fs');

const jsonData = [
  {
    name: 'John',
    age: 34,
    gender: 'male'
  },
  {
    name: 'Jane',
    age: 27,
    gender: 'female'
  }
];

const fields = ['name', 'age', 'gender'];

try {
  const csvData = json2csv(jsonData, { fields });
  fs.writeFileSync('output.csv', csvData);
} catch (err) {
  console.error(err);
}
    

3. csvjson-csv2json

If you want to convert from CSV to JSON or vice versa, you can use the csvjson-csv2json npm package. First, install the package:

npm install -g csvjson-csv2json
    

Then, use the package to convert your JSON data to CSV format:

csv2json input.csv > output.json
json2csv -i input.json -f name,age,gender