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-rw-r--r--actionview/lib/action_view/helpers/asset_url_helper.rb20
1 files changed, 14 insertions, 6 deletions
diff --git a/actionview/lib/action_view/helpers/asset_url_helper.rb b/actionview/lib/action_view/helpers/asset_url_helper.rb
index 0b957adb91..ae684af87b 100644
--- a/actionview/lib/action_view/helpers/asset_url_helper.rb
+++ b/actionview/lib/action_view/helpers/asset_url_helper.rb
@@ -134,20 +134,27 @@ module ActionView
relative_url_root = defined?(config.relative_url_root) && config.relative_url_root
if relative_url_root
- source = "#{relative_url_root}#{source}" unless source.starts_with?("#{relative_url_root}/")
+ source = File.join(relative_url_root, source) unless source.starts_with?("#{relative_url_root}/")
end
if host = compute_asset_host(source, options)
- source = "#{host}#{source}"
+ source = File.join(host, source)
end
"#{source}#{tail}"
end
- alias_method :path_to_asset, :asset_path # aliased to avoid conflicts with a asset_path named route
+ alias_method :path_to_asset, :asset_path # aliased to avoid conflicts with an asset_path named route
- # Computes the full URL to a asset in the public directory. This
+ # Computes the full URL to an asset in the public directory. This
# will use +asset_path+ internally, so most of their behaviors
- # will be the same.
+ # will be the same. If :host options is set, it overwrites global
+ # +config.action_controller.asset_host+ setting.
+ #
+ # All other options provided are forwarded to +asset_path+ call.
+ #
+ # asset_url "application.js" # => http://example.com/application.js
+ # asset_url "application.js", host: "http://cdn.example.com" # => http://cdn.example.com/javascripts/application.js
+ #
def asset_url(source, options = {})
path_to_asset(source, options.merge(:protocol => :request))
end
@@ -191,7 +198,8 @@ module ActionView
# (proc or otherwise).
def compute_asset_host(source = "", options = {})
request = self.request if respond_to?(:request)
- host = config.asset_host if defined? config.asset_host
+ host = options[:host]
+ host ||= config.asset_host if defined? config.asset_host
host ||= request.base_url if request && options[:protocol] == :request
if host.respond_to?(:call)