Class: Mustache::Rails::TemplateHandler

Inherits:
ActionView::Template::Handler
  • Object
show all
Includes:
ActionView::Template::Handlers::Compilable
Defined in:
lib/generators/mustache/install/templates/lib/mustache_rails.rb

Instance Method Summary collapse

Instance Method Details

#compile(template) ⇒ String

hence the hack below

Parameters:

  • (ActionView::Template)

Returns:

  • (String) —

    its evaled in the context of the action view



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# File 'lib/generators/mustache/install/templates/lib/mustache_rails.rb', line 75

def compile(template)
  mustache_class = mustache_class_from_template(template)
  mustache_class.template_file = mustache_template_file(template)
  
  <<-MUSTACHE
    mustache = ::#{mustache_class}.new
    mustache.view = self
    mustache[:yield] = content_for(:layout)
    mustache.context.update(local_assigns)
    variables = controller.instance_variable_names
    variables -= %w[@template]

    if controller.respond_to?(:protected_instance_variables)
      variables -= controller.protected_instance_variables
    end

    variables.each do |name|
      mustache.instance_variable_set(name, controller.instance_variable_get(name))
    end

    # Declaring an +attr_reader+ for each instance variable in the
    # Mustache::Rails subclass makes them available to your templates.
    mustache.class.class_eval do
      attr_reader *variables.map { |name| name.sub(/^@/, '').to_sym }
    end

    mustache.render
  MUSTACHE
end