30 lines
1.5 KiB
Markdown
30 lines
1.5 KiB
Markdown
---
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title: "Node.js and npm"
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category: "Languages and runtimes"
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tagline: "JavaScript outside the browser, with npm for the world's largest package registry."
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source: "pacman"
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package: "nodejs"
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command: "node"
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website: "https://nodejs.org/"
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code: "https://github.com/nodejs/node"
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links:
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- name: "npm documentation"
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url: "https://docs.npmjs.com/"
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---
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## What it is
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Node.js runs JavaScript on your computer instead of in a web browser. It's used for web servers, build tools and command-line apps, and most front-end tooling, from bundlers to linters, runs on it.
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npm is Node's package manager. It installs libraries and tools from the npm registry into your project, records them in `package.json`, and runs your project's scripts.
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## Why it's here
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- **Web development needs it.** Most JavaScript and TypeScript projects build and test with Node.
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- **A huge package library.** The npm registry has a package for nearly everything.
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- **Tools run on it.** Many developer tools install with `npm install --global` or run with `npx`.
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## On CoreDesktop
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CoreDesktop installs Node.js and npm from pacman. It uses npm itself to install the sandbox runtime behind the [AI sandbox](/ai-sandbox/) into `~/.local`, since npm's own global folder is under `/usr`; you can do the same for your own global tools with `npm install --global --prefix ~/.local <package>`. npm's cache in `~/.npm` is left out of backups, and sandboxed AI agents can write to it and reach the npm registry. `update` keeps Node.js and npm current with the rest of the pacman packages.
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