mapbox/node-locking — pull request #1 by willwhite (2014-12-08 22:42:30+00:00)
Title: Stringify all objects (not just uris) and pass original key to loader.

- `id` can now be any object.
- The JSON.stringified `id` will be used as the key in the LRU cache.
- The original (unstringified) `id` will be passed into the loader function.