WTF is NPM?

Quick in office talk to answer questions about NPM

Transcript

1. WTF is NPM? And how do I get surgical with it? Friday, September 14, 12
2. Node Package Manager Homebrew / PIP for Node.js Command line tool npm CouchDB registry npmjs.org Friday, September 14, 12
3. The Registry • Think PyPi • Central repository of meta and source • CouchDB: easily run your own Friday, September 14, 12
4. Installing npm curl http://npmjs.org/install.sh | sh Friday, September 14, 12
5. npm Look for a module npm search <query> Friday, September 14, 12
6. npm View module details npm view <packagename> Friday, September 14, 12
7. Two Installation Modes Install globally npm install -g <module> Install locally npm install <module> real virtualenv! Friday, September 14, 12
8. npm Install a module locally npm install <module> Friday, September 14, 12
9. npm List installed packages npm ls Friday, September 14, 12
10. package.json { "name": "plata", "description": "A client interface to various AWS services.", "version": "0.0.1", "repository": { "type": "git", "url": "git://github.com/exfm/node-plata.git" }, "author": "Lucas Hrabovsky <lucas@ex.fm>", "main": "index.js", "directories": { "lib": "lib" }, "engines": { "node": ">= 0.6.0" }, "dependencies": { "libxmljs": ">= 0.4.0", "when": "1.3.0", "winston": "0.6.1", "whet.extend": "0.9.7" } } module name / description where people can see source other modules that should be installed when your module is installed http://package.json.jit.su/ Cheat Sheet Friday, September 14, 12
11. Publishing Packages Create a user account npm adduser Friday, September 14, 12
12. Publishing Packages Publish to central registry npm publish Friday, September 14, 12
13. Developing Packages npm update 1. Search the registry for new versions of all the packages installed. 2. If there's a newer version, then install it. 3. Point dependent packages at the new version, if it satisfies their dependency. 4. Remove the old versions, if no other package names them as a dependency. http://howtonode.org/introduction-to-npm Friday, September 14, 12
14. Developing Packages “I’m working on a package that depends on another package i need to update at the same time!!!! HOW?!?!?!” Friday, September 14, 12
15. Developing Packages In your local repo for the dep you need npm link In the project you want to use it in npm link <depname> Friday, September 14, 12
16. Developing Packages node-plata[master]/$ npm link /usr/local/share/npm/lib/node_modules/plata -> /Users/lucas/projects/exfm/node-plata node-plata[master]/$ cd ../user/ user[dev]/$ npm link plata /Users/lucas/projects/exfm/user/node_modules/plata -> /usr/local/share/npm/lib/ node_modules/plata -> /Users/lucas/projects/exfm/node-plata Friday, September 14, 12
17. Preguntas? @__lucas https://github.com/exfm Friday, September 14, 12