Class: Sprockets::Helpers::RailsHelper::AssetPaths

Inherits:
ActionView::AssetPaths show all
Defined in:
lib/sprockets/helpers/rails_helper.rb

Overview

:nodoc:

Defined Under Namespace

Classes: AssetNotPrecompiledError

Instance Attribute Summary collapse

Attributes inherited from ActionView::AssetPaths

#config, #controller

Instance Method Summary collapse

Methods inherited from ActionView::AssetPaths

#initialize, #is_uri?

Constructor Details

This class inherits a constructor from ActionView::AssetPaths

Instance Attribute Details

#asset_digests ⇒ Object

Returns the value of attribute asset_digests.



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# File 'lib/sprockets/helpers/rails_helper.rb', line 107

def asset_digests
  @asset_digests
end

#asset_environment ⇒ Object

Returns the value of attribute asset_environment.



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# File 'lib/sprockets/helpers/rails_helper.rb', line 107

def asset_environment
  @asset_environment
end

#asset_prefix ⇒ Object

Returns the value of attribute asset_prefix.



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# File 'lib/sprockets/helpers/rails_helper.rb', line 107

def asset_prefix
  @asset_prefix
end

Instance Method Details

#asset_for(source, ext) ⇒ Object 



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# File 'lib/sprockets/helpers/rails_helper.rb', line 120

def asset_for(source, ext)
  source = source.to_s
  return nil if is_uri?(source)
  source = rewrite_extension(source, nil, ext)
  asset_environment[source]
end

#compute_public_path(source, dir, ext = nil, include_host = true, protocol = nil) ⇒ Object 



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# File 'lib/sprockets/helpers/rails_helper.rb', line 111

def compute_public_path(source, dir, ext=nil, include_host=true, protocol=nil)
  super(source, asset_prefix, ext, include_host, protocol)
end

#compute_source_path(source, ext) ⇒ Object

Return the filesystem path for the source



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# File 'lib/sprockets/helpers/rails_helper.rb', line 116

def compute_source_path(source, ext)
  asset_for(source, ext)
end

#digest_for(logical_path) ⇒ Object 



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# File 'lib/sprockets/helpers/rails_helper.rb', line 127

def digest_for(logical_path)
  if asset_digests && (digest = asset_digests[logical_path])
    return digest
  end

  if Rails.application.config.assets.compile
    if asset = asset_environment[logical_path]
      return asset.digest_path
    end
    return logical_path
  else
    raise AssetNotPrecompiledError.new("#{logical_path} isn't precompiled")
  end
end

#rewrite_asset_path(source, dir) ⇒ Object 



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# File 'lib/sprockets/helpers/rails_helper.rb', line 142

def rewrite_asset_path(source, dir)
  if source[0] == ?/
    source
  else
    source = digest_for(source) if Rails.application.config.assets.digest
    source = File.join(dir, source)
    source = "/#{source}" unless source =~ /^\//
    source
  end
end

#rewrite_extension(source, dir, ext) ⇒ Object 



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# File 'lib/sprockets/helpers/rails_helper.rb', line 153

def rewrite_extension(source, dir, ext)
  if ext && File.extname(source).empty?
    "#{source}.#{ext}"
  else
    source
  end
end