We can say that npm is a package manager for Node.js with hundreds of thousands of packages.
Although it does create some of your directory structure/organization, this is not the main purpose. The main goal, as you touched upon, is the automated dependency and package management.
Whenever you work with npm/node you can see it manages a file called package.json in which it stores all the dependency you have used in your project under the dependency section. Which means you can specify your project’s dependencies in the package.json file and any time you or anyone else needs to get started with your project they can just need to run npm install which will install all the dependencies in the node_module directory. On top of this, it is also possible to specify what versions your project depends upon to prevent updates from breaking your project.
In this example, we will show you how to install npm and node js in Mac OS, If you have a Linux or Windows machine then please visit Latest Guide to Install npm and node js for Ubuntu and Windows.
Before you can install Node, you’ll need to install two other applications. Fortunately, once you’ve got these on your machine, installing Node takes just a few minutes.
- XCode. Apple’s XCode development software is used to build Mac and iOS apps, but it also includes the tools you need to compile software for use on your Mac. XCode is free and you can find it in the Apple App Store.
- Homebrew. Homebrew is a package manager for the Mac — it makes installing most open source sofware (like Node) as simple as writing
brew install node. You can learn more about Homebrew at the Homebrew website. To install Homebrew just open Terminal and type
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)". You’ll see messages in the Terminal explaining what you need to do to complete the installation process.
Install npm and node js in Mac OS
1. First of all, you need to check whether Homebrew is installed in your Mac or not? To check this run
If you already have Homebrew installed it will show you the installed version of Homebrew
else will show brew: command not found
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
3. Now after installing brew you can run the following command to install node and npm in your Mac. This will completely install node into your Mac.
brew install node
4. After installation of node. You can check using
This will show the installed version of node and npm in your Mac.
How to Update Node and NPM
New versions of node and npm come out frequently. You can use Homebrew to update the software it installs.
1. Make sure Homebrew has the latest version of the Node package
2. Upgrade Node
brew upgrade node
How to Uninstall Node and NPM
You can use Homebrew to uninstall packages
brew uninstall node
This was the best way to install the nodejs and npm in Mac OS. If you are facing any problem or if you have any doubt about the topic you can comment below or contact us here.
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