diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/asset_url_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/asset_url_helper.rb | 72 |
1 files changed, 64 insertions, 8 deletions
diff --git a/actionview/lib/action_view/helpers/asset_url_helper.rb b/actionview/lib/action_view/helpers/asset_url_helper.rb index 76a4893f2e..0967245855 100644 --- a/actionview/lib/action_view/helpers/asset_url_helper.rb +++ b/actionview/lib/action_view/helpers/asset_url_helper.rb @@ -118,16 +118,67 @@ module ActionView module AssetUrlHelper URI_REGEXP = %r{^[-a-z]+://|^(?:cid|data):|^//}i - # Computes the path to asset in public directory. If :type - # options is set, a file extension will be appended and scoped - # to the corresponding public directory. + # This is the entry point for all assets. + # When using the asset pipeline (i.e. sprockets and sprockets-rails), the + # behavior is "enhanced". You can bypass the asset pipeline by passing in + # <tt>skip_pipeline: true</tt> to the options. # # All other asset *_path helpers delegate through this method. # - # asset_path "application.js" # => /assets/application.js - # asset_path "application", type: :javascript # => /assets/application.js - # asset_path "application", type: :stylesheet # => /assets/application.css - # asset_path "http://www.example.com/js/xmlhr.js" # => http://www.example.com/js/xmlhr.js + # === With the asset pipeline + # + # All options passed to +asset_path+ will be passed to +compute_asset_path+ + # which is implemented by sprockets-rails. + # + # asset_path("application.js") # => "/assets/application-60aa4fdc5cea14baf5400fba1abf4f2a46a5166bad4772b1effe341570f07de9.js" + # + # === Without the asset pipeline (<tt>skip_pipeline: true</tt>) + # + # Accepts a <tt>type</tt> option that can specify the asset's extension. No error + # checking is done to verify the source passed into +asset_path+ is valid + # and that the file exists on disk. + # + # asset_path("application.js", skip_pipeline: true) # => "application.js" + # asset_path("filedoesnotexist.png", skip_pipeline: true) # => "filedoesnotexist.png" + # asset_path("application", type: :javascript, skip_pipeline: true) # => "/javascripts/application.js" + # asset_path("application", type: :stylesheet, skip_pipeline: true) # => "/stylesheets/application.css" + # + # === Options applying to all assets + # + # Below lists scenarios that apply to +asset_path+ whether or not you're + # using the asset pipeline. + # + # - All fully qualified urls are returned immediately. This bypasses the + # asset pipeline and all other behavior described. + # + # asset_path("http://www.example.com/js/xmlhr.js") # => "http://www.example.com/js/xmlhr.js" + # + # - All assets that begin with a forward slash are assumed to be full + # urls and will not be expanded. This will bypass the asset pipeline. + # + # asset_path("/foo.png") # => "/foo.png" + # + # - All blank strings will be returned immediately. This bypasses the + # asset pipeline and all other behavior described. + # + # asset_path("") # => "" + # + # - If <tt>config.relative_url_root</tt> is specified, all assets will have that + # root prepended. + # + # Rails.application.config.relative_url_root = "bar" + # asset_path("foo.js", skip_pipeline: true) # => "bar/foo.js" + # + # - A different asset host can be specified via <tt>config.action_controller.asset_host</tt> + # this is commonly used in conjunction with a CDN. + # + # Rails.application.config.action_controller.asset_host = "assets.example.com" + # asset_path("foo.js", skip_pipeline: true) # => "http://assets.example.com/foo.js" + # + # - An extension name can be specified manually with <tt>extname</tt>. + # + # asset_path("foo", skip_pipeline: true, extname: ".js") # => "/foo.js" + # asset_path("foo.css", skip_pipeline: true, extname: ".js") # => "/foo.css.js" def asset_path(source, options = {}) raise ArgumentError, "nil is not a valid asset source" if source.nil? @@ -142,7 +193,11 @@ module ActionView end if source[0] != ?/ - source = compute_asset_path(source, options) + if options[:skip_pipeline] + source = public_compute_asset_path(source, options) + else + source = compute_asset_path(source, options) + end end relative_url_root = defined?(config.relative_url_root) && config.relative_url_root @@ -203,6 +258,7 @@ module ActionView dir = ASSET_PUBLIC_DIRECTORIES[options[:type]] || "" File.join(dir, source) end + alias :public_compute_asset_path :compute_asset_path # Pick an asset host for this source. Returns +nil+ if no host is set, # the host if no wildcard is set, the host interpolated with the |