In theory yes I agree with what you are saying but since I have never run
into this myself I am curious to see the problem.  Let me know when you
have the gadget.


On Thu, Dec 20, 2012 at 4:18 PM, Marcel Offermans <
marcel.offerm...@luminis.nl> wrote:

> Hello Ryan,
>
> I'll have to whip something up, as I indeed cannot send you the gadget in
> question unaltered. I will do that tomorrow. In the mean time I was
> wondering what you thought of my analysis:
>
> If JS has semantics that state that "end of stream" is a location for
> implicit semi-colon insertion, would not those semantics change per
> definition once you start concat'ing different JS files into one?
>
> Anyway, more tomorrow! :)
>
> Greetings, Marcel
>
>
> On Dec 20, 2012, at 17:25 , Ryan Baxter <rbaxte...@apache.org> wrote:
>
> > It just saves time so that I make sure I am trying the same thing you are
> > doing that is all.  If you have one handy that is not confidential it
> would
> > help.
> >
> >
> > On Thu, Dec 20, 2012 at 8:45 AM, Marcel Offermans <
> > marcel.offerm...@luminis.nl> wrote:
> >
> >> We are working with the latest release, but by looking at trunk I think
> >> the problem is still present there.
> >>
> >> If you just take the jquery-ui in [1] and add some other JS library
> after
> >> that, run it through concat, and save the resulting JS file, your
> browser
> >> will immediately tell you there is an error.
> >>
> >> Do you really want me to publish a gadget on some public URL so you can
> >> add it to Shindig yourself?
> >>
> >> Greetings, Marcel
> >>
> >>
> >> On Dec 20, 2012, at 14:36 PM, Ryan Baxter <rbaxte...@apache.org> wrote:
> >>
> >>> Marcel, which version of Shindig were you working with?  Can you
> provide
> >> a
> >>> sample gadget that illustrated the problem?
> >>>
> >>>
> >>> On Thu, Dec 20, 2012 at 7:52 AM, Marcel Offermans <
> >>> marcel.offerm...@luminis.nl> wrote:
> >>>
> >>>> We ran into an issue today where we had multiple JS includes that were
> >>>> converted into one big JS file by the ConcatProxyServlet that
> basically
> >>>> seems to just (as the name implies) concaternate multiple JS files
> into
> >>>> one. That is fine in principle, but it seems that some of the original
> >>>> minified files do not end with a semi-colon, for example jquery-ui
> [1].
> >>>> ECMAscript has rules for implicit semi-colon insertion, one of which
> is
> >> "at
> >>>> the end of the stream" [2]. This means that when you start
> >> concaternating
> >>>> streams, you might need to insert an explicit semi-colon. However, the
> >>>> ConcatProxyServlet does not do this and we get JS errors because of
> it.
> >> I
> >>>> would say this is a bug, but I wanted to discuss it on the list first,
> >>>> before reporting it in Jira. WDYT?
> >>>>
> >>>> Greetings, Marcel
> >>>>
> >>>> PS: later versions of jquery-ui DO add an explicit semi-colon so
> >> possibly
> >>>> authors of such libraries are aware of such concat issues and fixing
> >> this
> >>>> issue in a different way, but I still think Shindig should do "the
> right
> >>>> thing"
> >>>>
> >>>>
> >>>> [1] http://code.jquery.com/ui/1.8.18/jquery-ui.min.js
> >>>> [2] http://stackoverflow.com/a/6252209/260424
> >>>>
> >>>>
> >>
> >>
>
>

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