feat: add useBlocBuilder hook

[theweiweiway]

Status

READY

Breaking Changes

NO

Description

useBlocBuilder hook. This is essentially a straight copy over of the BlocBuilder code but turned into a hook. The only differences between the two are:

• line 13, I needed a mounted variable for the useEffect so that subscribe is only called once on load
• line 21, I pass in null instead of this
• line 21, I pass in state and s instead of previous and current. I found that the rebuild was always one state cycle behind so I made this change
• line 36, I do not do a if (bloc !== thisBloc.current) check. I found that adding this check breaks the code
• line 38, I do not update previousState and I do not call setState. Doing so broke the code.

I tested it pretty rigorously with condition, as well as yielding several states during one action - I think it should work well. Please let me know what you think!

Type of Change

• ✨ New feature (non-breaking change which adds functionality)

[Lonli-Lokli]

Does it waiting for ending of discussion here felangel/bloc#2526?

[Lonli-Lokli]

Seems like it's time to revisit PR, @felangel ?