[dancer-users] Re : Before Hook hit multiple times.

[Alexis Sukrieh]

Hello,

2013/1/3 Damien Krotkine <dkrotkine at gmail.com>

>
> We should accept that developers have the right to separate features by
> packages, and not oblige them to group routes and hooks per package.
>
>
Indeed, and I'd go even a step further:


> Celogeek mentioned that this can be worked around by using roles but not
> everybody ate fluent with them.
>
> So, I propose that one could specify the scope of a hook.
>
> By default a hook would be package-scoped. But we should make it possible
> to scope it to the whole application ( if that's possible), and also be
> able to scope it to a selection of routes, as David Golden mentioned.
>
> Maybe it's not the right solution, but at least you'll agree that there is
> an issue in the current state ( I think English speaking people say "red
> herring" :)
>
>

You're absolutely right Damien, thanks to users like Celogeek who spend
some time migrating a real application for 1 to 2, we've realized that the
scoping we have in 2 is great, but is not _always_ what the user wants.

I also think the "package scoping by default" is a good idea but it's clear
now that we need a way to disable that in some places.

I don't think it should be an exception for hooks, or even a kind of hooks.
I think the user should be able to say : these apps (packages) share the
same registry, or in other words, these are supposed to be merged into one
app.

For instance:

  package App;
  use Dancer;
  use App::Foo;
  use App::Bar;

In this example, everything in Foo and Bar are in a jail, they don't share
hooks or engines. We need a way to tell Dancer to load multiple apps as
one, I'm not sure exactly how the DSL should be extended to allow that, but
here is the idea I have in mind:

  package App;
  use Dancer;
  consume 'App::Foo', 'App::Bar';

That new "consume" keyword would be responsible for loading everything that
is defined in the packages _into_ the current package. That would be, I
think, the most generic and proper way to share settings, hooks and
everything between "apps".
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