Hi everyone,
In a recent talk, David Nolen talks about a great idea for Om Next, where components declaratively describe what data they’re interested in. [omnext] I’d like to explore the optional server-side router part. The idea is that you write your code on the front-end as if you have *all* the data; then, in the background, you download just enough data to do it. This idea has also been explored by Facebook with Relay, and Netflix with Falcor. Since David suggested using Datomic pull syntax to describe what data you’re interested in, Datascript was my first port of call. The author of Datascript has also written a superb article on exactly this topic. [webtmrw] Falcor has it easier, though; because it solves a very specific problem. It does asynchronous access for strictly hierarchical model objects whose schema is known completely ahead of time, and without any querying capabilities like Datascript’s. The challenge is that Datascript is really just a bunch of tuples in a few sorted sets. [dsint] We’re trying to teach it about data that *doesn’t* live there. While Datascript makes it easy to write additional backends (IDB, ISearch, IIndexAccess), those APIs are synchronous, so I can’t do much in the browser. The obvious piece of data to ferry around is the datom; the hard part is: 1. knowing if there’s datoms you don’t know about, but live on the server, 2. as the server, knowing which datoms are relevant. One approach might be to just run queries on the server as well as on the client. Another is to add “hints” that there’s some data here, but you just don’t know what it is. (The problem is that the latter breaks pretty easily; it’s not like you can do range queries on `:go-ask-the-server`…) Finally, there’s backing this data with, say, a legacy REST API or something. That’s fine as long as you do it on the server, because the blocking restriction goes away. Due to my relative inexperience with Datascript/Datomic, I wanted to reach out to the mailing list before continuing. Is anyone else working on something similar? Good results, dead ends? [omnext]: https://www.youtube.com/watch?v=ByNs9TG30E8 [webtmrw]: http://tonsky.me/blog/the-web-after-tomorrow/ [dsint]: http://tonsky.me/blog/datascript-internals/ hth lvh -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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