useMemo, useCallback

• https://gist.github.com/r0b0t3d/db629f5f4e249c7a5b6a3c211f2b8aa8

• https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-mostly-complete-guide-to-react-rendering-behavior

The arePropsEqual()  function acts very similar to the shouldComponentUpdate()  lifecycle method in class components, but in the reverse manner. The following code snippet uses a custom bailout condition:

남발 금지

• https://twitter.com/dan_abramov/status/1095661142477811717

• https://twitter.com/dan_abramov/status/1083897065263034368