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require 'action_view/helpers'
require 'sprockets'
module Sprockets
module Rails
module Context
include ActionView::Helpers::AssetUrlHelper
include ActionView::Helpers::AssetTagHelper
def self.included(klass)
klass.class_eval do
class_attribute :config, :assets_prefix, :digest_assets
end
end
def compute_asset_path(path, options = {})
@dependencies << 'actioncontroller-asset-url-config'
begin
asset_uri = resolve(path)
rescue FileNotFound
# TODO: eh, we should be able to use a form of locate that returns
# nil instead of raising an exception.
end
if asset_uri
asset = link_asset(path)
digest_path = asset.digest_path
path = digest_path if digest_assets
File.join(assets_prefix || "/", path)
else
super
end
end
end
end
register_dependency_resolver 'actioncontroller-asset-url-config' do |env|
config = env.context_class.config
[config.relative_url_root,
(config.asset_host unless config.asset_host.respond_to?(:call))]
end
# fallback to the default pipeline when using Sprockets 3.x
unless config[:pipelines].include? :debug
register_pipeline :debug, config[:pipelines][:default]
end
end
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