improve performance by adding enabled
flag to useWatcher
#196
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node
prop.Stick
components slow over time.Here are two performance measurements, using no
node
prop.This is the status quo: a lot of CPU usage and calculations going on, even there are no interactions with the page and no
node
needs to be measured:After our opmizations: almost no CPU usage any more in the idle state:
![react-stick-disabled-usewatch](https://user-images.githubusercontent.com/1227637/98365599-ef4a2700-2032-11eb-9291-e6cc3ec9a8d1.png)