If you are writing tests using Jest and you use TypeScript, there is a good chance you have encountered an error along the lines of TypeError: defaultsDeep_1.default is not a function or TypeError: myClass.default is not a constructor when trying to test a file that is using a default import from a module. You most …
Javascript
When To Use State Management In Front-end Applications?
As ubiquitous as state management has become in front-end development, it is still a confusing magical black box to most developers. Data goes in, data goes out, and nobody thinks about what happens in-between. Some developers believe the answer to the question in my title is: always. While some don’t believe in using state management …
Default Exports = Bad
Hello humans. In JavaScript, the worlds most loved and internets favourite client-side language, thanks to modern ECMAScript standards, we have default and named exports. It’s simple, and you have a file that exports something to be imported somewhere else. A named export is explicit and is only importable by its defined name. A default export …
What I Love About Aurelia
There is no shortage of Javascript frameworks and libraries to choose from. Notably, you have Angular, React, and Vue, which are the most discussed and used. If you are a regular reader of my blog, you know how much I love Aurelia and have blogged about it since early 2015. If you are new, let …
Working With An API In Aurelia Store
Unless you’re working on a completely static web application, chances are you’ll be needing to get data from an API or send data to one. In Aurelia, you would usually do this either using the HTTP Client or Fetch Client (you should be using Fetch). However, what about Aurelia Store? The versatile state management library …
Masked Inputs In Aurelia: The Easy (and reliable) Way
When it comes to adding in masked inputs into a modern Javascript web application, it is easier said than done. The task at hand is simple, yet, under the surface is paved with complexity in a framework with unidirectional data flow. The problem I am going to describe is also a problem you’ll encounter in …
Saved By The Aurelia Portal Attribute
Recently at my day job, I encountered a very specific scenario that I wrestled with for quite a bit. I had a routed set of views, which were using a layout view template because it needed a very specific markup for positioning using CSS Grid. The issue I had was although the route layout had …
Creating Your Own Javascript Decorators in Aurelia
Decorators are currently a stage 2 proposal in Javascript and they allow you to decorate classes, class properties and methods. If you have worked with Aurelia for longer than 5 minutes or other frameworks such as Angular, you will already be familiar with them. At the core of a decorator, it is a function that …
The State of JS Survey Is A Farce: Part Two
Recently, I published a blog title which I titled, The State of JS Survey Is A Farce in which I expressed criticism that the State of JS survey is highly inaccurate, biased and dangerous. I didn’t get a roaring response until a developer who is one of three running the survey Sasha Greif out of …
Announcing My New Book: Mastering Aurelia Store
I have been working with Aurelia Store these past few months and at one point, I decided that it would be a great idea to write a book on how to leverage the Aurelia Store plugin in your Aurelia applications. I have been writing on and off for a while and the book now has …
