This is not entirely like the original signals, but using event emitters instead. I found https://dev.to/ryansolid/building-a-reactive-library-from-scratch-1i0

This is not entirely like the original signals, but using event emitters instead. I found https://dev.to/ryansolid/building-a-reactive-library-from-scratch-1i0p https://dev.to/ryansolid/building-a-reactive-library-from-sc... to be a much better ‘from scratch’ example. This is by the maker of SolidJS