How to keep React component state between mount/unmount?

Question

I have a simple component that maintains an internal state. I have another component that toggles whether or not <

Answer 1

I'm late to the party but if you're using Redux. You'll get that behaviour almost out of the box with redux-persist. Just add its autoRehydrate to the store then it will be listening to REHYDRATE actions that will automatically restore previous state of the component (from web storage).