Install Angular 4 Pre-requisites

As Angular 4.0.0 has been official released for production ready environment on 23^rd March 2017.

There are few pre-requisites which need to be installed before starting the Angular 4 application development. This article will only discuss how to install and verify the pre-requisites.

Prerequisites:

·         NodeJs version 6.9.0 and above

·         NPM version 3.0.0 and above

·         Angular CLI

·         VS Code or any other editor

How to install NodeJs and Angular CLI?

·         NodeJs download official link https://nodejs.org/en/

o   Install the latest version from the official link

o   Verify current version available in your system by node –v command in node.js command prompt

·         Angular CLI download official link https://cli.angular.io

o   Open the Node.js command prompt

o   Run the npm install –g @angular/cli command

o   Verify current version available in your system by ng –v command in node.js command prompt

Snapshot 1.0: official link and command to install Angular CLI

npm will install a lot of .js dependencies of angular cli during installation. You may find some warning messages during this process like mentioned in below snapshot but can be ignored.

Snapshot 1.1: npm warnings

Once angular cli is installed you can verify its version using ng –v command like this snapshot

Snapshot 1.2: verify angular-cli