On Wed, Oct 3, 2012 at 9:37 AM, Nicholas C. Zakas <[email protected]> wrote: > After a little more experimenting with sets (still a really big fan!!), I've > come across an interesting problem. Basically, I found myself using a set > and then wanting to convert that into JSON for storage. JSON.stringify() run > on a set returns "{}", because it's an object without any enumerable > properties. I'm wondering if that's the correct behavior because a set is > really more like an array than it is an object, and perhaps it would be best > to define a toJSON() method for sets such as: > > Set.prototype.toJSON = function() { > return Array.from(this); > }; > > That way, JSON.stringify() would do something rational by default when used > with sets.
+1. Sets clearly map closest into JSON arrays. They don't roundtrip, but that's a necessary evil. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

