It's a shortcut for = "", if that makes sense. It takes plain text, but
allows you to use #{} to interpolate Ruby values in it. Thus,
== $(#{highlighted_item.to_json}).effect('highlight');
is equivalent to
= "$(#{highlighted_item.to_json}).effect('highlight');"
- Nathan
Matt Grande wrote:
> What does that == do in there?
>
> On Apr 27, 1:28 pm, Nathan Weizenbaum <[EMAIL PROTECTED]> wrote:
>
>> There's not a great, general way to do this in Haml 1.8. For the first
>> example, you could do
>>
>> - content_for :onload_scripts do
>> == $(#{highlighted_item.to_json}).effect('highlight');
>>
>> Calling out to ERB is probably the best option for the second script.
>>
>> However, in the master branch you can use filters with variable
>> interpolation, like so:
>>
>> - content_for :onload_scripts do
>> :plain
>> $('#search_items').autocomplete(
>> #{url_for(:controller => '/items', :action => 'search').to_json},
>> { selectFirst: false, minChars: 2 });
>>
>> Note that I'm calling to_json on the strings before putting them into
>> the document; that guarantees that they'll result in valid Javascript.
>>
>> - Nathan
>>
>> Jesús wrote:
>>
>>> Hi, i've just met Haml (and i love it!), but i'm having problems
>>> translating some erb views.
>>>
>>> i usually have (erb) code like this:
>>>
>>> <% content_for :onload_scripts do %>
>>> $('#<%= highlighted_item %>').effect('highlight');
>>> <% end %>
>>>
>>> or
>>>
>>> <% content_for :onload_scripts do %>
>>> $('#search_items').autocomplete(
>>> '<%= url_for :controller => '/items',
>>> :action => 'search' %>', {
>>> selectFirst: false,
>>> minChars: 2
>>> });
>>> <% end %>
>>>
>>> ie, to generate javascript with erb.
>>>
>>> How can i write code like this in haml that doesn't suck? i think that
>>> the only way to do this is with something respectively like:
>>>
>>> - content_for :onload_scripts do
>>> $('
>>> = highlighted_item
>>> ').effectt('highlight');
>>>
>>> - content_for :onload_scripts do
>>> $('#search_items').autocomplete('
>>> = url_for :controller => '/items', :action => 'search'
>>> ', {selectFirst: false, minChars: 2});
>>>
>>> that's really ugly, don't you think? for now i'm using a
>>> = render :partial => 'an_erb_file'
>>> and putting all that stuff there, but that method sucks too :(
>>>
> >
>
>
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