Migrating to TypeScript? Strict mode is where the magic happens. Here's how to handle 100,000 errors without drowning in `@ts-ignore`s.

In this article, we'll unravel the concepts of covariance and contravariance in TypeScript in a straightforward and approachable manner. Gain a clear understanding of how type assignments work in TypeScript, and learn how to harness the power of these fundamental concepts in your code.