As you may know from earlier articles, I have a side project to build a wiki. There is an API, which won’t concern us today, and a single page application (SPA), which will. The SPA is written in Typescript and React. Wiki page contents are written in Markdown, to which I’ve added two bespoke extensions:

Every occurrence of text such as [[Habitable Code]] is replaced in the rendered page by a hyperlink; when the link is clicked, it opens the wiki page with that title. Fairly standard for a wiki.

A...