Using the npm command line client we can install and publish packages. npm.Inc company hosts and maintains the above operations.
npm is free to use. You can download and install npm packages without any registration.
How to install npm?
You can install npm using Node.js software. You can download and install Node.js from their official website https://nodejs.org/
You can update npm using the following command.
npm install @latest -g
-g flag updates npm globally.
npm – Commmand Line Client
You can use a command-line client for downloading and installing packages.
npm also manages the dependencies of packages. package.json file contains dependencies of packages. Because of these dependencies, you can install all packages required in your project in one command. All packages defined in package.json can be installed using the “npm install” command. package.json file must be written in JSON format.
You can create a package.json file using the following command:
npm init –yes
–yes flag gives default values. You can also create a package.json file manually if you want.
You can uninstall the npm packages if you don’t want to use it anymore. You can uninstall npm package with the following command:
npm uninstall tinymce
After installing any package, npm creates a copy of it in the .npm directory of your path. So, next time if you are installing the same package then it copies from there. This .npm directory gets covered with old packages over time, so it is good to clean it from time to time.
You can clean the npm cache with the following command:
npm cache clean –force
You can scan your project for vulnerabilities and automatically install any compatible updates for those vulnerable dependencies.
If you want to scan your project for vulnerabilities without directly making changes you can do it with the following command:
You can fix project vulnerabilities with the following command:
npm audit fix
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