Swizec's machine articles

Swizec's articles in the "machine" category

I aim to write mindblowing emails with real insight into the career and skills of a modern software engineer. "Raw and honest from the heart!" as one reader described them.

Below are 25 articles filed under machine. Enjoy ❤️

Reader question: useReducer or XState?

Following up from my article about XState and Stately.ai, fellow reader S. asked if `useReducer` could ever be relevant when using state machines in React code. Yes! Here's how
November 11th, 2022

When your brain is breaking, try Stately.ai

Two years ago I wrote about using XState after building a UI interaction so twisted my brain leaked out my ears. It helped. Now the creators have made something even better – Stately.ai 😍
November 8th, 2022

A new VSCode extension makes state machines shine on a team

When you grok state machines, a new world of computational beauty and software design opens in front of your eyes. Things that used to be hard become easy. The impossible becomes possible. And you turn into that annoying team member.
February 25th, 2022

Why null checks are bad

Every null or undefined check doubles the number of tests you need 😱
December 10th, 2021

[CodeWithSwiz 19] Firebase Auth support in useAuth, pt1

Support for Firebase Auth is one of the most requested features for useAuth and I figured what the heck, how hard can it be?
January 12th, 2021

React context without context, using XState – CodeWithSwiz 14, 15

useAuth works without React Context! 🎉 here's how
November 10th, 2020

Swap useReducer with XState – CodeWithSwiz 13

In Refactoring a useReducer to XState we talked about a 5 step process to turn a reducer into an XState state machine. Today answers "Ok now what?"
October 22nd, 2020

How to write tests for XState – CodeWithSwiz 12

Once you know how to refactor a useReducer to XState, you gotta prove you did it right.
October 13th, 2020

Refactoring a useReducer to XState, pt1 – CodeWithSwiz 11

XState promises to be like useReducer+Context combined and the simplest way to handle complex state in React apps. But can it deliver? On this episode of #CodeWithSwiz, we gave it a shot.
October 8th, 2020