On Thu, Nov 5, 2015 at 9:26 AM, Kevin Deisz <kevin.de...@gmail.com> wrote:
> Hi there,
>
> Seems like in the positive condition, link_to_if and link_to_unless are
> inconsistent. When I send a block to link_to (or for that matter anything
> else that calls content_tag) the block is used to determine the content in
> the case that "name" is not provided. It gets around this by shifting the
> args, effectively, as in (html_options, options, name = options, name,
> block if block_given?).
>
> However, with link_to_if/link_to_unless, when the condition is met it
> always uses the main content. As in:
>
> link_to_if(true, root_path) do
> My Link <%= some_helper %>
> end
>
> looks like "/" in the UI and the block is ignored. I'd love to fix this,
> but want to make sure there isn't some good reason first.
>
>
In this use case, how would one specify the content to be used if the
condition is `false`?
I can't think of a way that isn't clunkier than the plain ERB way to
accomplish the same thing:
<% if condition %>
<%= link_to foo_path do %>
Content for true
<% end %>
<% else %>
Content for false
<% end %>
IMO, `link_to_if` and `link_to_unless` are intended to capture a common
pattern that would otherwise lead to repeated strings / code. If you need a
behavior that's well outside of that pattern, just write ERB / helpers /
etc.
--Matt Jones
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