Summary

This section of the course explored advanced type inference in TypeScript, including conditional types, inferred types, and mapped types. TypeScript provides a large toolbox to define custom types, inherit types from each other, and use generic syntax to work with any number of different types.

By combining these features, we can create advanced type definitions, including types based on other types or types based on some or all of the properties of another type. We can also modify a type by adding and removing properties as we see fit.

We can distill the key takeaways from this chapter into the following: