Considering all the tooling available to compile TypeScript to JavaScript, one pillar concept remains the same: you must know which configuration to use. Insofar that you are not responsible for configuring the compiler, you could skip this section – configuring TypeScript is something you do rarely and when it works as desired it can stay unaltered for a very long time. However, to have an understanding of the capability of TypeScript, you need to know some of the core options. In this section, we will see the main settings that you can enable and customize for your project.