Creating JSON-LD from `db.search()` results

[BigBlueHat]

Essentially, it'd be nice to do something like this:
https://github.com/mcollina/levelgraph-n3#exporting-ntriples-from-levelgraph

But I'm finding it tricky to accomplish using "raw" jsonld.js stuff coupled with the output of search.

However, even if it's possible via db.search() + jsonld.* (something), it'd be super to have this streamlined in some way, so that's more intuitive.

[BigBlueHat]

What I'm doing now (fwiw) is using db.search (or db.nav) to get the subjects I want and then using db.jsonld.get to create the JSON-LD output.

It's working well enough atm, but I'm not sure how (yet) to best turn that into a db.jsonld.search() method. Ideas welcome! 💡

[BigBlueHat]

Just hacked this together in a local copy of the playground + term() from https://github.com/warpr/turtle-to-jsonld/blob/master/lib/turtle-to-jsonld.js#L20-L45 for expanding the SPO to match what jsonld.js uses internally:

db.search([{subject: db.v('s'), predicate: db.v('p'), object: db.v('o')}], {}, (err, rv) => {
  var graphs = [];
  rv.forEach((spo) => {
    graphs.push({subject: term(spo.s), predicate: term(spo.p), object: term(spo.o)});
  });
  jsonld.fromRDF({'@default': graphs}, console.log);
});

The results seem accurate...so I'll try and hack this in + tests. However, before I dig too deeply, I'd appreciate any input on API preferences.