记录一些轮子吧

[gzqby]

hoist-non-react-statics：

Copies non-react specific statics from a child component to a parent component. Similar to Object.assign, but with React static keywords blacklisted from being overridden.
--used by react-redux

react-is:

This package allows you to test arbitrary values and see if they're a particular React element type.
-- by react