Configuring a Node JS App to Use NPM

Question

I have a really simple Node JS app and I'd like to include the Express JS framework. I've installed Express with NPM (and NPM with Homebrew) without any errors using:

brew install npm
npm install express

And my server.js file contains only:

var express = require('express');

When I run my application I get Error: Cannot find module 'express'. How can I tell my Node application to include the library?

bdargan · Accepted Answer · 2011-02-02 03:26:04Z

1

You need to tell node where your libs are.

extract from http://nodejs.org/api.html

require.paths
An array of search paths for require(). This array can be modified to add custom paths.

Example: add a new path to the beginning of the search list

require.paths.unshift('/usr/local/node');

answered Feb 2, 2011 at 3:26

bdargan

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2 Comments

Kevin Sylvestre Over a year ago

Does a solution exist that supports deploying specifically NPM packaged projects? I noticed that NPM supports a 'bundle' command but I couldn't figure out how to use it...

bdargan Over a year ago

Can't help with that I'm afraid, I haven't tried bundle out. Lots of projects, seem to bundle their deps in and require those ones specifically.

Graham · Accepted Answer · 2011-02-26 14:40:14Z

0

Here's a walkthrough of using npm's bundle command:

http://intridea.com/2010/8/24/using-npm-with-heroku-node-js?blog=company

answered Feb 26, 2011 at 14:40

Graham

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