On Sat, Jun 28, 2014 at 12:52 AM, NSC <[email protected]>
wrote:
> I've always been slightly confused about how $var definitions work in a
> template, in regards to a base template. So, let me ask:
>
> In my 'sub' template (not base), I have something like this (straight from
> an example I found a year ago and lost):
>
> $var jsfiles: foo.js bar.js
>
> Then in the 'base' template I have this:
>
> $if content.jsfiles:
> $for f in content.jsfiles.split():
> <script src="$f"></script>
>
> Problem is, this approach *requires* each subtemplate to have $var
> jsfiles: even if I have no scripts to load for that page.
>
> Reading the code, I can't find a way to 'test' for the existence of a
> variable. The page simply always throws a nasty error if the subpage
> doesn't define $var jsfiles:
>
> Anyone come up with a workaround for this?
>
You could do this:
$if content.get('jsfiles'):
$for f in content.jsfiles.split():
<script src="$f"></script>
Anand
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