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Versions: 11
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Contents
module BootstrapEmail
class SassCache
SASS_DIR = File.expand_path('../../core', __dir__)
def self.compile(type, style: :compressed)
new(type, style).compile
end
attr_accessor :type, :style, :file_path, :config_file, :checksum
def initialize(type, style)
self.type = type
self.style = style
self.file_path = "#{SASS_DIR}/#{type}"
self.config_file = load_config
self.checksum = checksum_files
end
def cache_dir
BootstrapEmail.config.sass_cache_location
end
def compile
cache_path = "#{cache_dir}/#{checksum}/#{type}.css"
unless cached?(cache_path)
compile_and_cache_scss(cache_path)
end
File.read(cache_path)
end
private
def load_config
path = BootstrapEmail.config.sass_location_for(type: type)
replace_config(File.read(path)) if path
end
def replace_config(config_file)
config_file.gsub("//= @import #{type};", "@import '#{file_path}';")
end
def checksum_files
checksums = config_file.nil? ? [] : [Digest::SHA1.hexdigest(config_file)]
Dir.glob('../../core/**/*.scss', base: __dir__).each do |path|
checksums << Digest::SHA1.file(File.expand_path(path, __dir__)).hexdigest
end
Digest::SHA1.hexdigest(checksums.join)
end
def cached?(cache_path)
File.file?(cache_path)
end
def compile_and_cache_scss(cache_path)
file = config_file || File.read("#{file_path}.scss")
css = SassC::Engine.new(file, style: style).render
FileUtils.mkdir_p("#{cache_dir}/#{checksum}") unless File.directory?("#{cache_dir}/#{checksum}")
File.write(cache_path, css)
if BootstrapEmail.config.sass_log_enabled?
puts "New css file cached for #{type}"
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems