![]() ![]() In case you want to install an npm package to be used from the command line, enter either of the following commands: npm install -globalīe sure to replace the with the module name. Here is an example of what a package.json file contains: Installing a Module Globally on Your System That’s why it’s essential to include package.json before publishing projects on the npm registry. The package.json file simplifies identifying, managing, and installing a package. It contains the metadata of npm projects or packages, such as package versions and contributors. Registry – any package or module you install using the npm CLI is downloaded from the npm public registry, the JavaScript software database.Įvery npm project contains package.json, a file located in the root directory.Command-line interface (CLI) – developers run the npm CLI from a terminal or a command-line tool to install or uninstall packages and manage versions or dependencies.Angular, React, and jQuery are some of the packages you can download from an npm repository. Repository – npm is a widely used repository for publishing open-source Node projects, where developers can share their source code with other npm users.Here are the three defining roles of npm: It comes bundled with node.js, an open-source server environment. Node package manager (npm) is one of the largest software registries in the world.
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