Module: Roda::RodaPlugins::RenderEach::InstanceMethods

Defined in:
lib/roda/plugins/render_each.rb

Constant Summary collapse

EMPTY_STRING = 
''.freeze

Instance Method Summary collapse

Instance Method Details

#render_each(enum, template, opts = {}) ⇒ Object

For each value in enum, render the given template using the given opts. The template and options hash are passed to render. Additional options supported:

:local

The local variable to use for the current enum value inside the template. An explicit nil value does not set a local variable. If not set, uses the template name.



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# File 'lib/roda/plugins/render_each.rb', line 35

def render_each(enum, template, opts={})
  if as = opts.has_key?(:local)
    as = opts[:local]
  else
    as = template.to_s.to_sym
  end

  if as
    opts = opts.dup
    if locals = opts[:locals]
      locals = opts[:locals] = locals.dup
    else
      locals = opts[:locals] = {}
    end
  end

  enum.map do |v|
    locals[as] = v if as
    render(template, opts)
  end.join
end