Re: Asynchronous script inclusion - Like Google Analytics

Hi Jeff,

Thank you for getting back to me.

Yes that is exactly the problem it appears to try and fetch the code
from the users site which obviously won't wrong.

I shall see if I can leverage your solution somehow. I'm trying to
keep the JS they have to add to their website small and uncomplicated.

Another area I have looked into is making my own Linker.

If you look at the current GWT XS Linker

http://www.google.com/codesearch/p?hl=en#A1edwVHBClQ/dev/core/src/com/google/gwt/core/linker/XSLinker.java&d=8

It leverages a Javascript file XSLinker.js

http://www.google.com/codesearch/p?hl=en#A1edwVHBClQ/dev/core/src/com/google/gwt/core/linker/XSTemplate.js&d=8

And this defines a base that is used when scripts are included. Note
the compiledScriptTag variable.

If I can force the base it may work?

Eggsy

On Dec 2, 12:12 am, Jeff Chimene <jchim...@gmail.com> wrote:
> On 12/01/2010 04:03 PM, eggsy84 wrote:
>
>
>
> > Hi all,
>
> > Can anyone explain to me why you cannot include Google web toolkit
> > scripts Asynchronously like Google Analytics:
>
> >http://googlecode.blogspot.com/2009/12/google-analytics-launches-asyn...
>
> > I ask because my GWT code is ultimately going to be used on a variety
> > of websites (using the XS linker) and if for any reason my server is
> > down and cannot process a request for the Javascript then it has the
> > effect of preventing the website from loading due to synchronous
> > nature if Web browser script evaluation.
>
> > I have tried including my GWT *.nocache.js like Google do for their
> > Analytics but it fails to load the subsequent browser specific
> > compiled units as it tries to obtain them from an incorrect location.
> > It seems to be due to the base URL not being defined.
>
> Notice that the GA code bootstraps from the user's server.
>
> You'll probably want something similar, in that you provide a bootstrap
> function that loads from your customer's site. That function then loads
> your GWT code. If the load fails, it fails on your customer's site, not
> your site. You can take action since your customer's page has loaded,
> but with an exception (it hasn't loaded your GWT code).
>
> There may be other, unexplored complications to this solution.
>
> > Any ideas guys?
>
> > Eggsy

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