[react hook] useReducer tutorial with 3 tips in 20 minutes
An in-depth explanation for useReducer.
0:00 Introduction and example with useState
1:39 from useState to useReducer
7:51 useImmerReducer (Tip 1)
10:31 the third Argument: initialAction (Tip 2)
15:22 use async function with useReducer (Tip 3)