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Feature flags done right

December 17, 2024

Let's build a type-safe abstraction on top of PostHog feature flags

A less obvious nominal typing use case

July 23, 2024

There are times, when it's arguably the most elegant approach

TypeScript can't do it

May 18, 2024

Neither do sheep. On teaching TypeScript some basic math.

Unions, intersections, monoids, and capybaras

April 15, 2024

Finding bits of category theory here and there.

On navigating safely

March 22, 2024

Keeping React Router relevant by teaching it new tricks.

Perfuming the primitives

January 31, 2024

Supercharging TypeScript strings with a pinch of nominal typing.

©2025 Rafał Krupiński