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require 'fileutils'
module Sprockets
class StaticCompiler
attr_accessor :env, :target, :paths
def initialize(env, target, paths, options = {})
@env = env
@target = target
@paths = paths
@digest = options.key?(:digest) ? options.delete(:digest) : true
@manifest = options.key?(:manifest) ? options.delete(:manifest) : true
@manifest_path = options.delete(:manifest_path) || target
end
def compile
manifest = {}
env.each_logical_path do |logical_path|
next unless compile_path?(logical_path)
if asset = env.find_asset(logical_path)
manifest[logical_path] = write_asset(asset)
end
end
write_manifest(manifest) if @manifest
end
def write_manifest(manifest)
FileUtils.mkdir_p(@manifest_path)
File.open("#{@manifest_path}/manifest.yml", 'wb') do |f|
YAML.dump(manifest, f)
end
end
def write_asset(asset)
path_for(asset).tap do |path|
filename = File.join(target, path)
FileUtils.mkdir_p File.dirname(filename)
asset.write_to(filename)
asset.write_to("#{filename}.gz") if filename.to_s =~ /\.(css|js)$/
end
end
def compile_path?(logical_path)
paths.each do |path|
case path
when Regexp
return true if path.match(logical_path)
when Proc
return true if path.call(logical_path)
else
return true if File.fnmatch(path.to_s, logical_path)
end
end
false
end
def path_for(asset)
@digest ? asset.digest_path : asset.logical_path
end
end
end
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