React has changed: New Lifecycle methods

[klequis]

There are more changes in the new version of React that I was aware of. Ran into them yesterday while working on Events. Starting this issue to get a handle on it and share knowledge.

Questions

• when should we be using componentWillUnmount() to destroy resources?

Resources

• https://hackernoon.com/replacing-componentwillreceiveprops-with-getderivedstatefromprops-c3956f7ce607
• https://github.com/reactjs/reactjs.org/issues/721

[klequis]

lesson learned