Interface와 Type alias

In this chapter, we'll cover some of the most common types of values you'll find in JavaScript code, and explain the corresponding ways to describe those types in TypeScript. This isn't an exhaustive list, and future chapters will describe more ways to name and use other types.

There are easy ways to configure TypeScript to ensure faster compilations and editing experiences. The earlier that these practices can be adopted, the better. Beyond best-practices, there are some common techniques for investigating slow compilations/editing experiences, some common fixes, and some common ways of helping the TypeScript team investigate the issues as a last resort.