Reset FSRestartResearch when abandoning Eugenics.  You'll have to pass the breeding proposal again with your new batch of elites.

Remove FSRestartResearchPassed property entirely (nothing uses it anymore).

more camel case

Add files that allow to run TypeScript compiler with basic type checks.
No custom type definitions added, except for the required SugarCube
extensions for the setup and variables objects

Join both display function and display fetish or attraction if fetish is
empty.

Replace initNationalities passage with JS, and remove hardcoded nationality sets from it (use the vanilla presets instead).

Rename the FC.d.ts to FC.ts to move it from the ambient to normal
context, thus making namespace declarations from the FC.ts to extend but
not overwrite "namespace" declarations from .js files in the TypeScript
AST.

We no have JS scripts not only in src/js but everywhere in src/

A simple test by nodejs that can be put inside the Git pre-commit hook
that checks for basic syntax violations.

The classes are used only to set up data scheme, thus they need no JS
implementation.