Types - Giant Robots Smashing Into Other Giant Robots

- All Topics
- Design
- Web
- iOS
- Android
- More topics
Safe dynamic object access in TypeScript

Satisfy the Typescript type-checker when doing dynamic object access and write safer code in the process.
Joël Quenneville
March 19, 2025
Type-Driven Design, Test-Driven Design

TDD purism belongs to the world of dynamic typing.
Mike Burns
February 8, 2021
- Types
- Testing
- TDD
Useful utilities

A strict type system doesn’t mean inflexible. We can bend it to meet our needs with the utilities that ship with TypeScript.
Alejandro Dustet
February 1, 2021
Type systems and checking in Elixir and Ruby

Adding type checking to dynamically typed languages is possible, and awesome!
Hawley Brett
January 18, 2021
- Elixir
- Ruby
- Types
- Good Code
TypeScript: Stop Using 'any', There's a Type For That

Chances are you’ve worked with the any type in TypeScript. It’s widely overused, and subtly dangerous. Let’s explore why you should avoid it, and when you might truly need to use it.
Alejandro Dustet and Wil Hall
October 13, 2020
Going through changes with TypeScript

When we inevitably make changes to our codebase, any help is appreciated, and a type system can be your best friend.
Alejandro Dustet
March 30, 2020
- TypeScript
- Types
- Web
JavaScript Type Checkers are More than Linters

Treating your JavaScript type checker as a linter doesn’t allow you to fully leverage your static type system.
Sid Raval
November 21, 2019
- JavaScript
- Types
Modeling Currency in Elm using Phantom Types

Lean on Elm’s friendly compiler to enforce currency-related constraints.
Joël Quenneville
October 28, 2019
- Web
- Elm
- Types
Better domain modeling in Elixir with sum types

Sum types are a powerful domain modeling technique. Let’s look at how to use them to remove invalid states.
German Velasco
July 26, 2019
Static Types In Medias Res

Adding static types after the fact can be a boon to your React Native codebase.
Sid Raval
October 8, 2018
Sign up to receive a weekly recap from thoughtbot

Your email address

Looking for even more ways to stay connected?

Check out our feeds

Sign up to receive a weekly recap from thoughtbot