From cfedc7c538fb4b93138669bfde94f41f3ddee1ce Mon Sep 17 00:00:00 2001
From: Serdar Dogruyol <dogruyolserdar@gmail.com>
Date: Thu, 24 Aug 2017 01:24:19 +0300
Subject: [PATCH] Add docs for static_headers

---
 src/kemal/helpers/helpers.cr | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/kemal/helpers/helpers.cr b/src/kemal/helpers/helpers.cr
index 204336c..3edb826 100644
--- a/src/kemal/helpers/helpers.cr
+++ b/src/kemal/helpers/helpers.cr
@@ -201,6 +201,16 @@ def gzip(status : Bool = false)
   add_handler HTTP::CompressHandler.new if status
 end
 
+# Adds headers to `Kemal::StaticFileHandler`. This is especially useful for `CORS`.
+#
+# ```ruby
+# static_headers do |response, filepath, filestat|
+#   if filepath =~ /\.html$/
+#     response.headers.add("Access-Control-Allow-Origin", "*")
+#   end
+#   response.headers.add("Content-Size", filestat.size.to_s)
+# end
+# ```
 def static_headers(&headers : HTTP::Server::Response, String, File::Stat -> Void)
   Kemal.config.static_headers = headers
 end