I Made My First JS Library. Here's What I Learned

Published: 09 Jul 2021

I'm fairly new to programming, in fact, I've started to get the gist of JS in the last few months. So I never thought I could create a well functioning web app let alone a library. Here's how I did it and what I learned from that experience.

The Problem

It all began 3 months ago, around March 10th. I had no intention of creating a JS library. At the time, I was trying to learn how to use the command-line, when I realized that the command-line was quite intimidating for newbies like me.

The Solution

My idea was simple, create a web app that serves as a playground for CLIs, but a lot friendlier and holds the user's hand while they develop their skills.


How was I going to create the command-line aspect of the web app? I had some initial bad ideas, so... I went with the least bad one I had.
I could technically use JavaScript to emulate the most common commands I could think of, and go from there.

Overcoming the Challenge

After a month of trying, failing, then trying again, I had something. I managed to create the v1 of a simple "Bash Simulator" with JavaScript. I won't get into the details but here's how it worked.

First, you type up your command and press enter. Then, your input is converted into a list of words. The first word would be the command name, and the rest would be parameters. The command name would reference a function that would be executed with the parameters from your input. Simple right?

great, now what?

Well, at this stage, I realized I could do so many different things and go so many different ways with it. What if I decided to create something like it in the future? Or projects with the same features?

The Library

After really taking my time and humming over the idea for 2 seconds, I decided to turn the JS code I had into a library. This way, I could create something else with it in the future, and I wouldn't have to reinvent the wheel.

ahh... sh*t

I had something working, but now I had to make it flexible enough to be able to use it in a variety of different projects. Also... turns out libraries are bundled a bit differently. AND... it didn't have a way for a developer to extend and build upon it.

So I had to rewrite everything from scratch with new type of users in mind, the developers that might use this library in the future.

So I spent few more weeks to creating v2.


So I spent 2 months creating something that no one else will probably use. But that's not all to it.

  1. My skills in JavaScript improved a ton, though I still suck at it.
  2. The way I approach problems and go about solving them has definitely improved as well.
  3. My project management skills have also improved, though I'm still messy.
  4. AND... now I have my problem solved and can proceed to creating that website I mentioned earlier.

Weather someone will actually use it or not, it feels incredible to create something and make it open source. And I wouldn't have learned and gained more skills if I hadn't taken on this project.

Anyway, here is the link to the project if you want to check it out.

Any comments?