Back when the npm registry was still a bit unstable, this was essential to get back to a stable environment or to reset things when you didn’t properly set up npm permissions.Ĭonfig: We will get into the different configuration options later, but this command deals primarily with persisting configuration properties in the local or global configuration file by using the set, get or delete subcommands.ĭedupe or ddp: When working on a project over an extensive period of time and installing packages straight from npm, this command will walk the local package tree and attempt to simplify dependencies.
Either call it with the ls subcommand to see a list of locally cached packages or with the clean subcommand to clear all packages that are in the cache. Used in conjunction with adduser, owner, team, etc, it gives fine grained control over who has access to what.īin: Where on earth are packages installed? Run this command to see the absolute file path.Ĭache: If you start installing packages from npm left, right, and center, this command is quite useful. It’s used to purge a specific package from the node_modules directory either locally or globally (when adding -g).Īccess: This is the playground of npm user permission administrators within the context npm-organizations and scoped (private) packages.
Get node js version numver install#
Used to either install a new package locally or globally (when adding -g) or to install dependencies listed in the package.json file (more on that later). Install: It’s mentioned here because of its sheer necessity when working with npm. Here are the core commands that stand out. Querying help ( npm help) spews out an entire array of options, and running npm help-search gives you a list of search results direct from the npm markdown. The CLI is where users spend most of their time interacting with npm, and its help interface is actually helpful. However, npm has loads of additional features, which I’ll walk you through, highlighting those I consider essential, really useful, or just plain awesome. Run npm install to install a package globally (like Mocha, or Angular-CLI)? Just add a -g like so: npm install -g angular-cli mocha.Īdmittedly, most use cases stop at an npm install, and there isn’t a need for anything else. Want to install a specific version? No problem. You can get started by simply running npm install and injecting it into your JavaScript file. It gives you exceptional control over your project’s dependencies and provides a great way to contribute to the open-source world. The multitude of resources are astounding, and even more so, the number of libraries available.Īt first, these libraries are few and easy to maintain however, soon enough dependency hell sets in and a more mature solution is required.Įnter the Node Package Manager (npm) – a JavaScript package manager most notably used in conjunction with Node.js, although it can be used independently as well. JavaScript is easily the most used language when it comes to the development of websites and web applications.
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