/Javascript/Node.js/How to read a csv file in nodejs

How to read a csv file in nodejs

Create csv file nodejs

const csv = require('csv-parser');
const fs = require('fs');

fs.createReadStream('data.csv')
  .pipe(csv())
  .on('data', (row) => {
    console.log(row);
  })
  .on('end', () => {
    console.log('CSV file successfully processed');
  });

Source: stackabuse.com

How to read a csv file in nodejs

$ npm i -s csv-parse

Source: stackabuse.com

Read and update csv file in nodejs

const fs = require('fs')
const csv = require('csv-parser')
const randomWords = require('random-words')
const users = [];
function generateUsername(firstname, surname) {
    return `${firstname[0]}-${surname}`.toLowerCase();
}
fs.createReadStream('input.csv')
  .pipe(csv())
  .on('data', function (row) {
    const username = generateUsername(row.Firstname, row.Surname);
    const password = randomWords(3).join("-");
    
    const user = {
        username,
        firstname: row.Firstname,
        surname: row.Surname,
        roles: row.Roles,
        password
    }
    users.push(user)
  })
  .on('end', function () {
      console.table(users)
      // TODO: SAVE users data to another file
    })

Source: heynode.com

Similar codes

0 vote240 views1 answer
Upload file on node js azure function
Javascript Node.js
0 vote245 views1 answer
Node load testing-basic
Javascript Node.js
1 vote230 views2 answers
How to update node js through terminal
Javascript Node.js
0 vote236 views1 answer
Shopify functions nodejs
Javascript Node.js
2 votes232 views1 answer
Sleep in nodejs?
Javascript Node.js
0 vote254 views1 answer
Node js login and registration
Javascript Node.js
5 votes231 views2 answers
Node js get ip
Javascript Node.js
0 vote232 views1 answer
Nodejs strict ssl false
Javascript Node.js
1 vote240 views1 answer
Nodejs global
Javascript Node.js
1 vote235 views1 answer
Node wrangler preview
Javascript Node.js