How do you loop through a ruby variable in a Haml javascript tag?

Question

How do you loop through a ruby variable in a Haml javascript tag? I have a collection of @reviews that I need to loop through. How do you loop through this collection within a javascript tag?

  - content_for :javascript do

      = javascript_include_tag "jquery.expander"
        :javascript
        - @reviews.each do |review|
         $("#share#{review.id}").live('click', function() {
            FB.ui(
              {
                method: 'feed',
                name: '#{@product.name}',
                link: '#{@product.page_url(@locale)}',
                picture: '#{@product.image_url(@locale)}',
                caption: 'Dell Social Shop',
                description: '#{@product.description}'
              },
              function(response) {
                if (response && response.post_id) {
                  alert('Post was published.');
                } else {
                  alert('Post was not published.');
                }
              }
            );
          });}

stackoverflow.com/questions/2962119/…

DanielG
– DanielG

2011-09-16 19:39:25 +00:00
Commented Sep 16, 2011 at 19:39 — DanielG
– DanielG, Commented Sep 16, 2011 at 19:39

jefflunt · Accepted Answer · 2011-09-16 19:13:22Z

1

Try putting the - @reviews.each do |review| portion outside the = javascript_include_tag "jquey.expander" block, instead of inside it. Where it's sitting right now, it's probably being interpreted as javascript instead of Ruby, since it's indented under the :javascript line.

answered Sep 16, 2011 at 19:13

jefflunt

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Leonid Shevtsov · Accepted Answer · 2011-10-24 17:47:44Z

1

I found out that for Javascript code Erb templating works better than Haml templating. So i'd extract the loop body into an .erb partial, and do something like

= javascript_include_tag "jquery.expander"
= javascript_tag render(:partial => 'review.js.erb', :collection => @reviews)

answered Oct 24, 2011 at 17:47

Leonid Shevtsov

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