Design and Build Great Web APIs

NodeJS and npm

We’ll be using NodeJS and the related npm (Node Package Manager) utility throughout the book. For example, many of the sample command-line utilities are written in NodeJS and are installed and updated using npm. We first refer to these two important tools in Chapter 3, ​Modeling APIs​.

Checking for NodeJS

You may already have NodeJS and npm installed. You can check on this by typing the following on the command line:

node -v

If NodeJS is installed, you should get a response that is the version number of your release of NodeJS. For example, the response on my machine is this:

v10.14.10

The exact version isn’t important, but you should be using version 10 or above since that’s the version I used to write the code ...