in-memory js db interface idea

gistfile1.coffee

db = require './db'

objects = new db.Collection

objects.addIndex {id: db.UNIQUE}
objects.addIndex {type: db.INDEX}

objects.insert {id: 1, name: 'foo' type: 'thing'}
objects.insert {id: 2, name: 'bar' type: 'thing'}
objects.insert {id: 3, name: 'baz' type: 'animal'}

things = objects.query {type: db.EQ 'thing'} #-> [1,2]

thingsWithNameFoo = objects.query {name: db.EQ 'foo'} #-> [1]

objectsWithIdGreaterThan1 = objects.query {id: db.GT 1} #-> [2,3]