Answers for "how to read a csv file in nodejs"

Javascript

create csv file nodejs

const createCsvWriter = require('csv-writer').createObjectCsvWriter;
const csvWriter = createCsvWriter({
  path: 'out.csv',
  header: [
    {id: 'name', title: 'Name'},
    {id: 'surname', title: 'Surname'},
    {id: 'age', title: 'Age'},
    {id: 'gender', title: 'Gender'},
  ]
});

const data = [
  {
    name: 'John',
    surname: 'Snow',
    age: 26,
    gender: 'M'
  }, {
    name: 'Clair',
    surname: 'White',
    age: 33,
    gender: 'F',
  }, {
    name: 'Fancy',
    surname: 'Brown',
    age: 78,
    gender: 'F'
  }
];

csvWriter
  .writeRecords(data)
  .then(()=> console.log('The CSV file was written successfully'));

Posted by: Guest on April-15-2020

Source

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');
  });

Posted by: Guest on April-15-2020

Source

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
    })

Posted by: Guest on June-22-2021

Source

how to read a csv file in nodejs

$ npm i -s csv-parser

Posted by: Guest on December-22-2020

Source

how to read a csv file in nodejs

$ npm i -s csv-parse

Posted by: Guest on December-22-2020

Source

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