1. Introduction to NPM #

Created Sunday 19 July 2020

• npm, short for Node Package Manager is an online registry of JS scripts available for all developers to use.
• They are very useful, as making a project from scratch is very rare these days.
• yarn is also a popular package manager.
• Anybody can create their own NPM package.
• NPM allows us to use the knowledge of others in an easy way.
• The only drawback is that it increases project size, because we may use only parts of the NPM packages.

There are three types of packages at npm:

1. FrontEnd packages - React, Angular etc.
2. Command line packages - working with filesystem, database etc.
3. Back-End packages - Express, Node.

• package.json is a meta file that specifies dependencies of the project. It is configured before the development begins.
• Three things are important for any project: