module Unveil::Rails::ViewHelper

Public Instance Methods

lazy_image_tag(source, options = {}) click to toggle source
# File lib/unveil/rails/view_helper.rb, line 4
def lazy_image_tag(source, options = {})
  placeholder_source = options[:placeholder] || Unveil::Rails.config.default_placeholder
  options[:alt] = options[:alt] || image_alt(source)

  lazy_options = options.merge('data-src' => image_path(source))

  if options.has_key?(:retina)
    lazy_options['data-src-retina'] = image_path(options[:retina])
  end

  html = [image_tag(placeholder_source, lazy_options)]

  html << '<noscript>'
  html << image_tag(source, options)
  html << '</noscript>'

  html.join("\n").html_safe
end