github-migration/compass
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[Compass Core] The image_url() sass function now adds timestamp invalidation to images to prevent them from being cached after changing.

Browse Source
This commit is contained in:
Chris Eppstein 2009-05-02 14:34:31 -07:00
parent 9f46524bde
commit f1832d07ab
1 changed files with 23 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
lib/sass_extensions.rb
View File

@ -18,30 +18,46 @@ module Sass::Script::Functions
end end
def image_url(path) def image_url(path)
if absolute_path?(path.value) path = path.value # get to the string value of the literal.
if absolute_path?(path)
return Sass::Script::String.new("url(#{path})") return Sass::Script::String.new("url(#{path})")
end end
http_images_path = if Compass.configuration.http_images_path == :relative http_images_path = if Compass.configuration.http_images_path == :relative
if (target_css_file = options[:css_filename]) compute_relative_path
images_path = File.join(Compass.configuration.project_path, Compass.configuration.images_dir)
Pathname.new(images_path).relative_path_from(Pathname.new(File.dirname(target_css_file))).to_s
else
nil
end
else else
Compass.configuration.http_images_path Compass.configuration.http_images_path
end end
real_path = if Compass.configuration.images_dir
File.join(Compass.configuration.project_path, Compass.configuration.images_dir, path)
end
if http_images_path if http_images_path
http_images_path = "#{http_images_path}/" unless http_images_path[-1..-1] == "/" http_images_path = "#{http_images_path}/" unless http_images_path[-1..-1] == "/"
path = "#{http_images_path}#{path}" path = "#{http_images_path}#{path}"
end end
if real_path && File.exists?(real_path)
path += "?#{File.mtime(real_path).strftime("%s")}"
elsif real_path
$stderr.puts "WARNING: '#{File.basename(path)}' was not found in #{File.dirname(real_path)}"
end
Sass::Script::String.new("url(#{path})") Sass::Script::String.new("url(#{path})")
end end
private private
def absolute_path?(path) def absolute_path?(path)
path[0..0] == "/" || path[0..3] == "http" path[0..0] == "/" || path[0..3] == "http"
end end
def compute_relative_path
if (target_css_file = options[:css_filename])
images_path = File.join(Compass.configuration.project_path, Compass.configuration.images_dir)
Pathname.new(images_path).relative_path_from(Pathname.new(File.dirname(target_css_file))).to_s
end
end
end end
# XXX: We can remove this check and monkeypatch once Sass 2.2 is released. # XXX: We can remove this check and monkeypatch once Sass 2.2 is released.