MoonScript, a programmer-friendly language that compiles to Lua:

• https://moonscript.org

• https://github.com/leafo/moonscript

• https://luarocks.org/modules/leafo/moonscript

• Learn MoonScript in Y Minutes: https://learnxinyminutes.com/moonscript/

• An Overview of MoonScript: https://leafo.net/posts/moonscript_overview.html