Lessons learned: keep your dependencies up-to-date

This post describes an issue I had with trying to run mocha unit tests from the command line. When I run the tests from the browser everything is fine. But when I run the same tests from the command line on my local machine using npm test or mocha, npm seems to have trouble finding the “jquery” module.

The solution

I had jQuery version 1.9.1 previously installed. I changed the dependency in package,json to load version 1.11.3 and performed the command npm updateand now require is able to load in jQuery.

Description

Running npm info jquery is showing me that jQuery is installed; yet when I execute npm test or run mocha, module.js is complaining it cannot find module “jquery”.

Screenshots

The issue: Error: Cannot find module 'jquery':

Ran npm list shows jquery is there:

Brackets folder view of node_modules shows jquery is there:

My test depends on var $ = require('jquery');:

My Mocha.opts file:

The “chai” require is working as my tests run fine without requiring jquery:

If you have any advice on what I can do to sort this out, please contact me.