Deno is a batteries included runtime. By that we mean there is a plethora of tooling included. This can save you time and let you get going on the actual coding phase of your project much quicker. You will not need to set up Prettier, ESLint, TypeScript or Jest. That is because Deno has in-built tooling for handling all of the tasks those are designed for. On top, there is even a benchmarking utility. As well as benchmarking, we have `deno fmt` to format your code, `deno lint` to spot those errors ESLint handles in node. Finally, there is no `tsconfig.json` file: Deno comes with sensible defaults baked in.