[dancer-users] Updating to the new Dancer2 plugin system

[Stefan Hornburg (Racke)]

On 01/12/2017 11:17 PM, Amelia Ireland wrote:
> Hello Dancers,
> 
> What's the recommended procedure for converting a plugin that may import
> an unspecified number of keywords into the app? I
> use Dancer2::Plugin::LogContextual
> <https://github.com/wchristian/Dancer2-Plugin-LogContextual>, which
> imports a set of keywords via |use Log::Contextual ':log'| and
> redefines |$SIG{__WARN__}| for the application by adding
> an |around| method modifier to |to_app|. I'm unsure of the best way to
> handle this with the new plugin system (I am not the plugin author).
> 
> A sample of the plugin code:
> 
> |around to_app => sub { my ( $attr, $self, @args ) = @_; my $app =
> $self->$attr( @args ); return sub { local $SIG{__WARN__} = sub { my
> @args = @_; log_warn { @args }; }; return $app->( @_ ); }; };|
> 
> 
> 
> Any hints gratefully received. Thanks!
> 

Hello Amelia,

you can take a look at the LogReport plugin
(https://metacpan.org/pod/Dancer2::Plugin::LogReport) which also had
to cope with the import taking over by Dancer2.

Regards
         Racke



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