Typed Ember extends Confidence Part 2: Converting Your Ember App

Use 'extends' keyword to narrow the value of a generic

Typescript generics extending class and interface - Stack Overflow

Getting started with TypeScript classes

Deep-flatten TypeScript types with finite recursion

Extending Interfaces - Scaler Topics

TypeScript Extend Interface Guide to TypeScript Extend Interface

Fun With TypeScript Template Literal Types, by Kevin B. Greene

Haz on X: Just learned about this distinction between `type` and `interface` in TypeScript. I guess I'll have to switch to interface to document APIs. 😐 / X

Properties P in generic type U that extends type T should allow use of type T[P] · Issue #13547 · microsoft/TypeScript · GitHub

TypeScript: What is the difference between type and interface?, by Andrew Courter