Aliasing with Babel instead of Webpack
If you have been using aliases in Webpack, and want to switch over to Babel instead, you can use the Babel Module Resolver Plugin. Then just configure your aliases, such as: […]
UI Programming
SetState() is not the same function in Reflux and React!
I remember moving some functions from a local component into a store, and it quit working. When I figured out the problem, I ended up reverse engineering some of the […]
NPX – run NPM packages locally without global installs
Newer versions of NPM come with a tool called NPX. You can use NPX to execute local copies of NPM packages. This is especially helpful if you are developing in […]
CSS – EM vs REM vs PX
Not CSS3 specific, but here’s an example of how EM and REM size differently according to their containers. EM This is 1em This is 2em This is 3em This is […]
Error with this.storeKeys in a Reflux component
Came across an error for hasOwnProperty when adding this.storeKeys to a React component listening to a Reflux store. So I: Stripped the component down to just a few lines; still […]
Function scoping in Reflux stores (static vs class methods)
While working on a store with some updating linting rules, I found a function that linting wanted it to be a static function, not a class function. Sure, that makes […]
Interface Design concept – Pattern Labs
After working for many years with server-side technologies, where the full HTML is generated and sent back in one large chunk, it has been interesting to move to a modular […]
React Router V4 – Routes not rendering, possible solution
I upgraded an application from React Router v2 to v3, then v4. The upgrade to v3 was relatively painless. The upgrade to v4 caused a few headaches, due to multiple […]
Regular Expressions: online utility to test them
This is a really neat site for testing regular expressions in a vacuum: http://regex101.com/ I’ve used it a few times now to test the expression before implementing in code.
JEST tests fail on React components as pure functions
After updating to a newer lint rule set, we converted some components into pure functions. This made the linting happy, but broke the JEST unit tests. I did some debugging […]