TypeScript for JavaScript Developers Part 14: Key Types
Channel: Jeremy Likness
Date: 14/03/2019

Part 13 introduced a defect caused by passing a property name with improper case. In this step, a "key type" is introduced that validates a property exists on the class at development time to avoid defects and provide better intelligent for auto-completion when building code.

Learn more about index types ("key types"): https://jlik.me/fft