On Dec 10, 2009, at 12:49 AM, Roger Binns wrote:
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> Trying to debug this code (Javascript) is a royal pain. It is like being
> back in the dark ages adding log() statements. I have resorted to running
> my code separately directly under the 'js' interpreter but it isn't quite
> the same environment. (Sometimes you can even get tracebacks. But you are
> out of luck if you have an exception while handling an exception!) The wiki
> is despairing for views and the situation is no better for
> shows/lists/filters etc.
>
> http://wiki.apache.org/couchdb/HTTP_view_API#Debugging_Views
>
> Anyway I think it is relatively easy to make nice interactive debugging
All the power to you if you really think this is easy. It would certainly add a
lot of value.
> possible as a feature of futon maybe with some server side help. My guess
> is that you require Firebug in the client browser and then feed it a page of
> Javascript that emulates the server environment. It would contain the
> defined show/view/list/filter and just enough glue to work (eg fetch the
> appropriate docs from the server, make emit and log send messages to Firebug
> console). Then you just use the regular debugging functionality builtin to
> Firebug.
>
> It is also possible to extend this environment to help with compliance and
> testing. For example it can emulate rereduce for views, shows with null
> docs etc.
>
> Roger
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