github-migration/rack-livereload
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extract head_tag_regex to constant

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This commit is contained in:
Matthew Lehner 2012-12-13 16:27:06 -08:00
parent cc1ad71a62
commit 706d158328
1 changed files with 2 additions and 1 deletions
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3
lib/rack/livereload.rb
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@ -4,6 +4,7 @@ module Rack
class LiveReload
LIVERELOAD_JS_PATH = '/__rack/livereload.js'
LIVERELOAD_LOCAL_URI = 'http://localhost:35729/livereload.js'
HEAD_TAG_REGEX = /<head>|<head[^(er)][^<]*>/
BAD_USER_AGENTS = [ %r{MSIE} ]
@ -77,7 +78,7 @@ module Rack
template = ERB.new(::File.read(::File.expand_path('../../../skel/livereload.html.erb', __FILE__)))
if line['<head']
line.gsub!(/<head([^(er)]|\s)[^>]*>/) { |match| %{#{match}#{template.result(binding)}} }
line.gsub!(HEAD_TAG_REGEX) { |match| %{#{match}#{template.result(binding)}} }
end
headers["X-Rack-LiveReload"] = '1'