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Friday, December 06, 2013

Tapestry Quicky: ConditionalComment

Here's a quicky I just put together for a client to generate IE conditional comments. This isn't a feature supported by Tapestry's JavaScriptSupport (for libraries; it is support for CSS files).

Fortunately, this is something that comes together in Tapestry in almost no code:

This is what it looks like in a template:

And here's the markup it produces:

And that's the whole point ... the URLs for the referenced JavaScript libraries are now Tapestry assets, and will have access to Tapestry's asset pipeline as unique resources, including GZip compression and minimization.

It is always important to me that Tapestry not get in the way: frameworks that lock you down and prevent you from accomplishing your goals should not be used. Tapestry has a long history, and there are certainly many areas that could have been implemented differently, or simply not implemented at all, but it's nice that most edge cases, like this one, have a simple solution.

1 comment:

Tom said...

Hello,

I have a problem with your conditionnal comment...
It comments also all my javascript !