Sha256: 6d9e621898f05568ac7dbe721a38ed9a674ff2b69065e83e0a159ce49a0d5b06
Contents?: true
Size: 1.36 KB
Versions: 15
Compression:
Stored size: 1.36 KB
Contents
# Parses an html file's <head> section,
# looks for <script ... > and <link rel="stylesheet" ... >
# and crunches them all together into one file
#
# Warning: this script is super-ghetto and probably not robust.
# If you're concerned, use a real lexer/parser.
require 'strscan'
module HtmlAssetCrush
def self.source_for(asset_path)
case asset_path
when /js$/
<<-JS
<script type="text/javascript" charset="utf-8">
#{File.open(asset_path).read}
</script>
JS
when /css$/
<<-CSS
<style type="text/css">
#{File.open(asset_path).read}
</style>
CSS
end
rescue Errno::ENOENT
raise "Could not find #{asset_path} to bring in"
end
def self.crush(html_filepath)
Dir.chdir(File.dirname(html_filepath)) do
html = File.open(html_filepath).read
crushed_html = ""
s = StringScanner.new(html)
js = /<script.+? src=['"](.+)['"].+?\/script>/
css = /<link .+? href=['"](.+?)['"].+?>/
asset = Regexp.union(js, css)
while result = s.scan_until(asset) do
asset_path = s[2] || s[1]
# Weird that pre_match doesn't do this
# crushed_html << s.pre_match
crushed_html << result[0...(-s.matched_size)]
crushed_html << source_for(asset_path) + "\n"
end
crushed_html << s.rest
return crushed_html
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems