examples use node: api

[jbolda]

Motivation

We want to run these examples on both deno and node.

Approach

If we use node: APIs, we are able to run the examples with either deno or node. The deno compatibility is generally pretty good here (save for one case where I hit an issue, noted in the code comment). Note that this change supersedes the need for #34, as the node: API usage has the writeSync consideration handled internal. Also, I added ensure() blocks to include the rawMode change which showed up on windows as needed when it crashed.

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/clayterm@48

commit: f65d172

[cowboyd]

For the examples, let's try and keep main() as close to the top of the file and the helper functions underneath. That way, if someone reads it, they see the biggest picture first.