jordanbtucker

/**
 * This is an example of app that uses an ecrypted NeDB database. It prompts the
 * user for a password, decrypts the database, displays any existing records,
 * promtps the user for a new record to store, encrypts that record, then exits.
 * The password must be given each time the app is started.
 */

const crypto = require('crypto')
const inquirer = require('inquirer')
const scrypt = require('scryptsy')

JamieMason

Group Array of JavaScript Objects by Key or Property Value

Implementation

const groupBy = key => array =>
  array.reduce((objectsByKeyValue, obj) => {
    const value = obj[key];
    objectsByKeyValue[value] = (objectsByKeyValue[value] || []).concat(obj);
    return objectsByKeyValue;