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Wunderbar on Rails

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Usage: add wunderbar and nokogiri to your Gemfile and run bundle install.  Template extensions supported are _html and _json.  Examples: view, layout, json.

Note that as Rails layouts and views are predicated on the assumption that output is produced by concatenating text, one must use _ yield instead of simply yield.  I have noticed that this may lose blank lines in the process, which apparently is a known issue with Nokogiri.  Not a problem if the layout is erb, but then you lose the unified indentation that you get if you have a layout using _html.

On the plus side, Wunderbar will note when the first argument to a call which creates an element is html_safe? and will treat it as markup.  An example of where this is useful would be in the _td link_to calls below.

_h1_ 'Listing products'

_table do
  _tr do
    _th 'Title'
    _th
    _th
    _th
  end

  @products.each do |product|
    _tr_ do
      _td product.title
      _td link_to 'Show', product
      _td link_to 'Edit', edit_product_path(product)
      _td link_to 'Destroy', product, confirm: 'Are you sure?', method: :delete 
    end
  end
end

_br_

_ link_to 'New Product', new_product_path

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