Module: Premailer::Rails::CSSLoaders::PropshaftLoader

Extended by:
PropshaftLoader
Included in:
PropshaftLoader
Defined in:
lib/premailer/rails/css_loaders/propshaft_loader.rb

Instance Method Summary collapse

Instance Method Details

#file_name(url) ⇒ Object 



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# File 'lib/premailer/rails/css_loaders/propshaft_loader.rb', line 16

def file_name(url)
  prefix = File.join(
    ::Rails.configuration.relative_url_root.to_s,
    ::Rails.configuration.assets.prefix.to_s,
    '/'
  )

  # Path extraction logic from Propshaft.
  # See https://github.com/rails/propshaft/blob/390381548b125e8721c8aef1b9d894b7cc8bd868/lib/propshaft/server.rb#L35-L41
  full_path = URI(url).path.sub(/\A#{prefix}/, '')
  digest = full_path[/-([0-9a-zA-Z]{7,128}(?:\.digested)?)\.[^.]+\z/, 1]
  path = digest ? full_path.sub("-#{digest}", "") : full_path

  path
end

#load(url) ⇒ Object 



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# File 'lib/premailer/rails/css_loaders/propshaft_loader.rb', line 7

def load(url)
  return unless propshaft_present?

  file = file_name(url)
  asset = ::Rails.application.assets.load_path.find(file)

  ::Rails.application.assets.compilers.compile(asset) if asset
end

#propshaft_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/premailer/rails/css_loaders/propshaft_loader.rb', line 32

def propshaft_present?
  defined?(::Propshaft) && defined?(::Rails)
end