Entity management

[spierala]

It would be cool to make the management of entity data (collections of data: e.g. Products, Todos) more straight forward in MiniRx.
Currently the immutable updates of entities require quite some boilerplate code.

Existing solutions:

• NgRx Entity: https://ngrx.io/guide/entity
• Redux Toolkit EntityAdapter: https://redux-toolkit.js.org/api/createEntityAdapter
• Akita Entity Store: https://datorama.github.io/akita/docs/entities/entity-store
• Elf: https://ngneat.github.io/elf/docs/features/entities/entities-props-factory

MiniRx Entity state:

MiniRx has two APIs to manage state... both need to be able to manage entities and if possible many entities in one feature state.

• Redux API: NgRx entitiy adapter could be a good fit in general
• FeatureStore, ComponentStore API: the entity adapter could be used there as well
• Maybe a new thing: Entity Feature Store: extends Feature Store but sets up an entityAdapter internally. Here we would just manage one entity per Entity Feature Store

Challenge:

• Investigate existing entity state management solutions
• Add support for entity management in the Redux and the FeatureStore/ComponentStore API
• Create EntityFeatureStore: manage (probably) just one entity but with a minimum of boilerplate

Notes

API

Regarding the naming of functions which update entity state: Most probably we should use similar/identical names like NgRx entityAdapter, Akita EntityStore or Elf. These names are known by developers.

New lib?

Should "MiniRx Entity" be part of the mini-rx-store lib or should it be a dedicated lib? Or is maybe a second entry point in mini-rx-store good enough (for tree-shaking)?