useReducer

Checking out useReducer's basic useage and several re-render optimization techniques.

• CounterList

  Features a Todo list using useReducer and a counter increment button/display. The Todo List component is a child of the Counter component.

• CounterListOptimized

  Features a Todo list using useReducer and a counter increment button/display. The Todo List component and Counter component are children of a parent component.

• CounterListMemo

  Features a Todo list using useReducer and a counter increment button/display. The Todo List component is a child of the Counter component. The TodoList component is wrapped by React.memo().