Custom Persistence (per Unit persistence) - Idea/Proposal/Question? about activejs

[dabalyan]

hey @IgnusG thanks for dropping by :)

1. Yes, you can change the default storage for persistent Units. You can change it to any storage interface (even custom implementation) that implements the Storage interface. You can find more information in the docs, here. However you can't handle the serialization outside of ActiveJS, as it's done internally. Regarding an IndexedDB wrapper, actually a very early implementation used the IndexedDB but it was hard to mix synchronous code with asynchronous IndexedDB, only way around that was to load all the stored state from the IndexedDB synchronously while blocking the whole application, because the persisted value is supposed to override the initialValue of the Unit. So IndexedDB was dropped in favor of localStorage and sessionStorage. You can still write a wrapper and provide it to ActiveJS, but it's probably not worth it.

2. As mentioned in the above point, asynchronous persistent storage is not feasible at the moment, as the Units are supposed to load the values synchronously. But thanks for mentioning it, because you can change the storage for specific Unit, I updated the docs, you can see it here.

In general, I'd advise to stick with synchronous storage.
Also, ActiveJS doesn't recommend storing non-serializable values in it, it might still work but there are no guarantees.

Hope that answers your questions.