Sha256: a8000692d2b75b8b91d9090efc1655a665d0a3af5bd11e3f135eef4701258685
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Versions: 52
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Contents
require 'sprockets/asset'
require 'fileutils'
require 'zlib'
module Sprockets
# `StaticAsset`s are used for files that are served verbatim without
# any processing or concatenation. These are typical images and
# other binary files.
class StaticAsset < Asset
# Returns file contents as its `source`.
def source
# File is read everytime to avoid memory bloat of large binary files
pathname.open('rb') { |f| f.read }
end
# Implemented for Rack SendFile support.
def to_path
pathname.to_s
end
# Save asset to disk.
def write_to(filename, options = {})
# Gzip contents if filename has '.gz'
options[:compress] ||= File.extname(filename) == '.gz'
if options[:compress]
# Open file and run it through `Zlib`
pathname.open('rb') do |rd|
File.open("#{filename}+", 'wb') do |wr|
gz = Zlib::GzipWriter.new(wr, Zlib::BEST_COMPRESSION)
buf = ""
while rd.read(16384, buf)
gz.write(buf)
end
gz.close
end
end
else
# If no compression needs to be done, we can just copy it into place.
FileUtils.cp(pathname, "#{filename}+")
end
# Atomic write
FileUtils.mv("#{filename}+", filename)
# Set mtime correctly
File.utime(mtime, mtime, filename)
nil
ensure
# Ensure tmp file gets cleaned up
FileUtils.rm("#{filename}+") if File.exist?("#{filename}+")
end
end
end
Version data entries
52 entries across 41 versions & 6 rubygems