added tx-middleware capability and schema-middleware #234
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There are some issues we are solving for datsync to make the datomic/datascript transition smoother and I wanted to get your thoughts on the possiblity of adding tx-middleware to datascript.
This would address issues #193 and #174
We will be using something along these lines in datsync, but I think it fits better in datascript itself.
schema-middleware
to check txs for schema changes and put them into theschema
map, but this would also open up capabilities like adding validation middleware for all the datomic :db/valueType for people who want type safety rather than speed and other things of that natureschema-middleware
indatascript.db
but it could be put in its own ns if you think that makes more senseUsage would look like
This change is