Migrating AsyncStorage to Redux-Persist-Filesystem-Storage

[JonnyLinja]

I have an existing app in production with the Android storage issue. I want to migrate to Redux-Persist-Filesystem-Storage without losing the previous store. How would I go about this?

Would it be possible to look through the keys of AsyncStorage and duplicate what I can? I am on V4 of redux-persist, so supposedly there is https://github.com/rt2zz/redux-persist/blob/master/src/integration/getStoredStateMigrateV4.js

[sospedra]

I'm running in the same problem. Specially for mantaining the user logged in and the current route.
We cannot swap to this (btw awesome) project if migrations are not possible 😞

[maxkomarychev]

I've got similar issue. This is how I tackled it (note there are couple questions I'm asking, so I am still not 100% sure this is the right way).

It is supposed to safely fallback to previous data in AsyncStorage if there is nothing stored before in fs storage.

I'd appreciate if you can check it out and share your opinion if it works for you or no, thanks!

[maxkomarychev]

As far as I understand the migration mentioned above is to migrate state shape between v4 and v5 and doesn't work if you want to hot-replace the storage engine itself.

[robwalkerco]

I haven’t tried migrating between different storage engine myself, but am keen to hear what works for you, as I think I will need to do this myself soon an a project.

[robwalkerco]

@maxkomarychev Just tried your solution at rt2zz/redux-persist#679 and it worked great 👏

I'm going to close this task, as it seems there is a working solution now.