See share/doc/src/experimental.rst for installation instructions.
couchjs. This subprocess is just a read-eval-print loop on standard i/o. CouchDB passes
couchjs a file name, and that file contains the view server implementation.
This tool duplicates the "REPL" look and feel of
couchjs and supports the exact same view server implementation.
I have no idea. I would not trust it for production use.
If you create a file,
/tmp/couchjs.log then couchjs will output debugging messages there.
See the Apache 2.0 license.