One of the largest things that I have loved about working in Node.js is the ability to create utilities that work on both the server and within the browsers.  Being able to create packages for NPM and then reuse them in both environments has lead to a lot of shared and unified code.  However, the general experience involving installing a package and moving it to the client left a lot to be desired.  Thankfully, NPM offers a possible solution through it’s use of scripts.

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The more that I use Node.js, the more I enjoy it; however, there I have seen an issue in a couple of projects.  In these projects, some modules import in a large number of other modules that reside in single directory.  While it could be argued that the code could be refactored differently, scenarios exist where you may need to import in a number of modules that all exist in the same directory.

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If you’ve worked on websites for any amount of time, there is a decent chance that you’ve encountered the need to validate credit card numbers at some point.  While there are a lot of compliance and security guidelines for working with credit card numbers, these don’t reduce the need for ensuring the user entered a valid credit card number into the form.  Some places will validate just length and ensure only numeric digits were provided; however, did you know there’s an algorithm that most credit cards are based on?

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ABAValidator (npm, github) is just a JavaScript validation module that works both in Node.js on the server as well as in a client’s browser.  It provides a simple way to validate routing numbers that conform to the American Banking Association Routing Number rules (wikipedia).

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While I’m passionate about user experience, I also spend a lot of time working on various development projects as well.  Recently, I’ve focused most of my efforts behind Node.js and have enjoyed it thoroughly.  The amount of passion and adoption I see around the language astounds me since the language was created just back in 2009.  Though, since Node is written on top of JavaScript, it feels like a much more mature language.  Sadly though, JavaScript isn’t perfect and is missing a lot of common features that other languages have.  Thankfully, the Node community has helped in these shortcomings though the use of NPM, Node’s package management system.

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