Sha256: dc61a14e8cc52ba8ffac5f52e9b057d3ad0dd3bc2142695d65bc33b07ec6a5ab
Contents?: true
Size: 857 Bytes
Versions: 9
Compression:
Stored size: 857 Bytes
Contents
class Premailer
module Rails
module CSSHelper
extend self
@cache = {}
attr :cache
STRATEGIES = [
CSSLoaders::CacheLoader,
CSSLoaders::FileSystemLoader,
CSSLoaders::AssetPipelineLoader,
CSSLoaders::NetworkLoader
]
# Returns all linked CSS files concatenated as string.
def css_for_doc(doc)
urls = css_urls_in_doc(doc)
urls.map { |url| load_css(url).force_encoding('UTF-8') }.join("\n")
end
private
def css_urls_in_doc(doc)
doc.search('link[@rel="stylesheet"]').map do |link|
link.attributes['href'].to_s
end
end
def load_css(url)
@cache[url] =
STRATEGIES.each do |strategy|
css = strategy.load(url)
break css if css
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems