Functional reliable components
ProppyJS
Functional props composition for components
https://proppyjs.com/
https://blog.kentcdodds.com/classes-complexity-and-functional-programming-a8dd86903747
https://medium.com/javascript-scene/why-composition-is-harder-with-classes-c3e627dcd0aa
https://github.com/joshburgess/not-awesome-es6-classes
xstate
Functional, Stateless JS Finite State Machines and Statecharts
https://davidkpiano.github.io/xstate/
https://codepen.io/BrockReece/pen/EvdwpJ?editors=0010
https://musing-rosalind-2ce8e7.netlify.com/
Data types
Maybe, solving the billion-dollar mistake
https://egghead.io/lessons/javascript-understand-the-maybe-data-type
Let's do this!