[LRUG] Proffer and introducing constraints to Rails

[James Hunt]

Proffer is also more restrictive: we're exposing variables at an action
level rather than a controller level, so you only have to expose the
minimal interface required for any given view.

I imagine it's possible to use both together: proffer to turn off ivars and
decent_exposure to expose what you wanted.

On Mon, Apr 2, 2012 at 10:23 AM, mudge <mudge at mudge.name> wrote:

> We had a brief look at decent_exposure but found that it focussed on
> promoting the pattern of using `helper_method` to expose functionality
> to views from the controller (something the list discussed recently
> when I raised the issue of before_filter abuse in Rails).
>
> Our goal was simpler in a way: stop Rails passing instance variables
> to your views; the `proffer` API came about almost as a side-effect of
> that.
>
> On Mon, Apr 2, 2012 at 10:09 AM, Tom Stuart <tom at experthuman.com> wrote:
> > On 2 Apr 2012, at 09:59, James Hunt wrote:
> >> There is more information on GitHub but the summary is that it stops
> Action
> >> Controller from exposing all defined instance variables to your views
> by default
> >> and instead provides a way to explicitly declare your dependencies
> instead.
> >
> > This reminds me of https://github.com/voxdolo/decent_exposure. Had you
> previously tried that and found it inadequate / stupid / insufficiently
> strict?
> >
> > Cheers,
> > -Tom
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