Anthony Manning-Franklin

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Technical Lead @ Workit Spaces building Skutopia.com

I write about Functional Programming, TypeScript, Node, Event Sourcing, and tech leadership

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Deliver a Meaningful Tech Strategy While Still Shipping Features with The Three Stream Backlog

Nov 21, 20216 min read

It's a story as old as time, boy meets girl, girl falls in love with incomprehensible eldritch horror — oh wait no, sorry wrong story, this one is about TECH DEBT! In this painfully familiar story, before every other sprint, stakeholders in the busi...

Deliver a Meaningful Tech Strategy While Still Shipping Features with The Three Stream Backlog

Stop catching errors in TypeScript; Use the Either type to make your code predictable

Oct 23, 20217 min read

In some languages such as Java, methods or functions can provide type information about the Exceptions or Errors they may throw. However in TypeScript, it is not possible to know what Errors a function may throw. In fact, a function could throw any v...

Strict & Weak Exhaustive Checks in TypeScript: Nuke your app at runtime for fun and profit!

Oct 17, 20215 min read

This article assumes you are familiar with the never type, exhaustive checks, and the concept of failing fast. If you aren't yet, or want a refresher, here are some resources to get up to speed: When to use never and unknown in TypeScript The power ...

Dev Flags: Supercharge your Continuous Deployment by Dropping Database Feature Toggles

Oct 3, 20214 min read

Those of us who use Trunk Based Development as the foundation of our approach to Continuous Delivery or continuous Deployment are familiar with the use of Feature Toggles to prevent work in progress changes becoming prematurely available to cus...

Dev Flags: Supercharge your Continuous Deployment by Dropping Database Feature Toggles

Sagas & Event Sourcing

Sep 5, 20216 min read

By removing the constraint of atomicity for a transaction, we can break up a long lived transaction T into several transactions: \(T_{1},T_{2},T_{3},T_{n}\) In order to maintain consistency, we must also provide compensatory transactions for failure ...

Functional Singletons in TypeScript With Real Use Cases

Aug 22, 20218 min read

Singletons are commonly used in Object Oriented Programming when we want to enforce that there is only ever a single instance of a class. This might be because we are trying to encapsulate some global state between processes. In this article I am goi...

Functional Singletons in TypeScript With Real Use Cases