Node useful libraries

This post contain useful libraries that I got recommended in courser/post/videos.

1. bcrypt.js

This is a library to manage all crypto for passwords. wiki

To install with npm:

npm i bcrypt

a basic use with node 12.xx could be:

const bcrypt = require('bcrypt');

const saltRounds = 10;
const myPlaintextPassword = 'bla1234!D';
const otherPlaintextPassword = 'not_bacon';

async function savePassword(saltRounds, plaintextPassword) {
  const salt = await bcrypt.genSalt(saltRounds);
  const hashPassword = await bcrypt.hash(myPlaintextPassword, salt);
  // await saveInDataBase(hashPassword)
}

savePassword(saltRounds, myPlaintextPassword);

1. moment.js

Moment.js it's a library to manege date in easy way.

To install moment.js

npm install moment

moment.js give us a unique object to manipulate/show/parser dates, for example:

const moment = require('moment');

const today = moment();

console.log(today.format('Do - MMMM'));

1. sharp.js

sharp.js is a optimize library to manipulate with images (png/jpeg).

npm i sharp

const sharp = require('sharp');


sharp(inputBuffer)
  .resize(320, 240)
  .toFile('output.webp', (err, info) => { ... });