TypeScript Weekly - Extreme Explorations of the Type System

TypeScript Weekly

Issue #193 — August 5, 2022

Extreme Explorations of TypeScript’s Type System

Developers have pushed the bounds of type operations possible in the type system to write some pretty incredible things — including HypeScript, a simplified implementation of TypeScript’s type system written in … TypeScript’s type system.

Josh Goldberg

What’s TypeScript compiling?

How to use treemapping to visualize which files TypeScript is looking at while compiling your code. You might be surprised what’s making it into your build!

Dan Vanderkam

A JavaScript newsletter worth reading

Over 100k developers read Bytes every week (or at least look at the memes). If you like TypeScript Weekly, I've got a feeling you'll love Bytes too.

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3 Things We Learned When Switching to TypeScript

Trivago recently migrated its core website, along with over 50 other domains, from a PHP & JavaScript setup to Next.js & TypeScript. Three lessons they learned along the way.

Tom Bartel

Extract Parameter Types from String Literal Types

How to parse and derive types from string literal types in TypeScript using template literal types.

Tan Li Hau

Curated by Marius Schulz
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TypeScript 4.8 Beta, TypeScript Tips & Tricks, Monorepos

Friday, June 24, 2022

TypeScript Weekly Issue #192 — June 24, 2022 Announcing TypeScript 4.8 Beta The beta release of TypeScript 4.8 improves type narrowing and compatibility for union and intersection types. It also makes

TypeScript 4.7 RC, Migrating Millions of Lines

Tuesday, May 24, 2022

TypeScript Weekly Issue #191 — May 24, 2022 Announcing TypeScript 4.7 RC The release candidate of TypeScript 4.7 adds several new features related to ECMAScript module support in Node. It also ships

The Ultimate TypeScript Thread, Ember's Road to TypeScript

Thursday, May 5, 2022

TypeScript Weekly Issue #190 — May 5, 2022 The Ultimate TypeScript Thread In this fantastic Twitter thread, Matt keeps sharing TypeScript tips to turn you into a TypeScript wizard. Highly recommended!

TypeScript and Set Theory, Understanding “keyof typeof”

Thursday, April 21, 2022

TypeScript Weekly Issue #189 — April 21, 2022 Types as Comments with the TypeScript Team Ryan Cavanaugh and Daniel Rosenwasser talk about the Type Annotations ECMAScript proposal in a JS Party episode

TypeScript 4.7 Beta, Dealing with Undefined

Monday, April 11, 2022

TypeScript Weekly Issue #188 — April 11, 2022 Announcing TypeScript 4.7 Beta The beta of TypeScript 4.7 adds several new features related to ECMAScript module support in Node. It also ships with

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