componentWillReceiveProps is deprecated

[rjattrill]

This component uses componentWillReceiveProps which is deprecated with React 16.

For example:

react-lazy-tree/src/TreeNode.js

Line 37 in 962bde9

componentWillReceiveProps(nextProps) {

See https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html