findDOMNode is deprecated in StrictMode. #187
Description
findDOMNode is deprecated in StrictMode but trigger still uses it.
react version: 16.9.0.
Using findDOMNode will cause below Warning:
Warning: findDOMNode is deprecated in StrictMode. findDOMNode was passed an instance of Wave which is inside StrictMode. Instead, add a ref directly to the element you want to reference. Learn more about using refs safely here: https://fb.me/react-strict-mode-find-node
in button (created by Button)
in Wave (created by Button)
in Button (created by Trigger)
in Trigger (created by ForwardRef(Tooltip))
in ForwardRef(Tooltip) (created by Tooltip)
in Tooltip (created by Popover)
...