Em 05-06-2012 15:40, Luiz Felipe Garcia Pereira escreveu:
The same rails guides like you pasted before shows a simple example of
"just a plugin" when it just extends the core class String.
I asked exactly what is the difference between this and a regular Ruby
non-Rails gem.
As for the differences between Railties and Engines, I'll quote the
docs (http://guides.rubyonrails.org/engines.html):
"A Rails::Engine is nothing more than a Railtie with some initializers
already set. And since Rails::Application and Rails::Plugin are
engines, the same configuration described here can be used in all
three."
And extracting from the Engine doc:
"it will automatically load models, controllers and helpers inside
app, load routes at config/routes.rb, load locales at
config/locales/*, and load tasks at lib/tasks/*."
I think it will also add lib/assets to the assets path nowadays, but
the doc might be outdated.
Assets are correctly processed by engines. But the explanation above
didn't talked about what a Railtie really is. What would it be useful
for? They only explain what an Engine does.
On Tue, Jun 5, 2012 at 3:21 PM, Rodrigo Rosenfeld Rosas
<[email protected]> wrote:
Em 05-06-2012 15:05, Luiz Felipe Garcia Pereira escreveu:
One word: Modularity
If it's a simple plugin, it doesn't need to be a Railtie and inserted in rails
Could you please explain the differences about this and a regular Ruby gem?
If it's something that extends rails/AR it can be a Railtie and take advantage
of that.
If it's an engine then it makes sense to add the Engine and have the extra
tools Rails::Engine provides.
What kind of improvements/benefits would you expect by using the former instead
of the latter?
If there is no real benefit, it would be better to always create an engine and
avoid user's confusion.
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