[dancer-users] Having multiple INCLUDE_PATH for the Template Toolkit engine

[Gabor Szabo]

Opened a ticket with this including a test case.
https://github.com/PerlDancer/Dancer2/issues/1059
It would be nice if someone could review it.

Gabor


On Thu, Nov 12, 2015 at 5:00 PM, Gabor Szabo <gabor at szabgab.com> wrote:

>
>
> On Tue, Nov 10, 2015 at 3:18 PM, Russell Jenkins <
> russell.jenkins at strategicdata.com.au> wrote:
>
>> On 10/11/2015 6:06 pm, Gabor Szabo wrote:
>>
>>> Is there a solution? If currently not,would it be possible to allow
>>> views to be either a string or an array ref to strings?
>>>
>>>
>> Allowing views to be an arrayref of strings is likely to cause issues
>> with other template engines.
>>
>> TT2 allows you to supply coderefs as part of its INCLUDE_PATH
>> configuration.
>> (See Template::Manual::Config for the details). Configuring the template
>> engine within
>> your app may allow you to do what you want: eg ( warning - untested
>> config!! )
>>
>>   set engines => {
>>     template => {
>>       template_toolkit =>
>>         INCLUDE_PATH => [ sub {
>>            # code that returns absolute paths to your view dirs
>>            map { path( app->location, $_) }
>>                'views', app->request->var('other_views');
>>         }],
>>         ...
>>     }
>>   };
>>   set template => 'template_toolkit';
>>
>>
>>
> That sounded like a good idea, but unfortunately it throws an exception:
>
> Can't call method "params" on an undefined value at .../Dancer2/Core/Role/Template.pm line 180.
>
>
> It happens even on Dancer2 app that I've just created using dancer2 -a
> where I've removed the template entry from the config.yml and added this to
> the code:
>
> hook before => sub {
>     set engines => {
>       template => {
>         template_toolkit => {
>           start_tag => '<%',
>           end_tag   => '%>',
>         }
>         }
>     };
>     set template => "template_toolkit";
> };
>
>
> Gabor
>
>
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