/alx-backend-javascript

Back-end Specialization (JavaScript)

Primary LanguageJavaScript

Backend JavaScript

Concepts

In this project, we will focus on the following concepts:

  • Modern JavaScript
  • Software Linter

Learning Objectives

By the end of this project, you should be able to explain the following topics without relying on external resources:

  • What is ES6 (ECMAScript 2015)
  • New features introduced in ES6
  • The difference between a constant and a variable
  • Block-scoped variables
  • Arrow functions and default function parameters
  • Rest and spread function parameters
  • String templating in ES6
  • Object creation and properties in ES6
  • Iterators and for-of loops

Requirements

General

  • All files will be executed on Ubuntu 18.04 LTS using NodeJS 12.11.x
  • Allowed editors: vi, vim, emacs, Visual Studio Code
  • All files should end with a new line
  • A README.md file, located at the root of the project folder, is mandatory
  • Your code should use the .js extension
  • Your code will be tested using the Jest Testing Framework
  • Your code will be analyzed using the ESLint linter with specific rules provided

Setup To set up your development environment, please follow these steps:

  1. Install NodeJS 12.11.x by running the following commands in your home directory:
curl -sL https://deb.nodesource.com/setup_12.x -o nodesource_setup.sh
sudo bash nodesource_setup.sh
sudo apt install nodejs -y
  1. Confirm that NodeJS and npm (Node Package Manager) are successfully installed:
$ nodejs -v
v12.11.1
$ npm -v
6.11.3
  1. Install the required dependencies for the project by running the following commands in your project directory:
npm install --save-dev jest
npm install --save-dev babel-jest @babel/core @babel/preset-env
npm install --save-dev eslint

Configuration Files

The project includes the following configuration files:

  • package.json: Contains the project dependencies and scripts.
  • babel.config.js: Configuration file for Babel.
  • .eslintrc.js: Configuration file for ESLint. Make sure to run npm install from the terminal in your project folder to install all the necessary project dependencies.