From 772726ca96a67af0b8688cd6ffd62bd2d9e36c69 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Wed, 23 Jul 2014 16:49:53 -0700
Subject: [PATCH] Fix source maps for CoffeeScript on Windows.

The sourceURL needs to be a URL, not a file path.
---
 src/coffee-cache.coffee | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/coffee-cache.coffee b/src/coffee-cache.coffee
index 0da37b1bd..47ef7245d 100644
--- a/src/coffee-cache.coffee
+++ b/src/coffee-cache.coffee
@@ -18,11 +18,17 @@ getCachedJavaScript = (cachePath) ->
     try
       fs.readFileSync(cachePath, 'utf8')
 
+convertFilePath = (filePath) ->
+  if process.platform is 'win32'
+    encodeURI '/' + path.resolve(filePath).replace(/\\/g, '/')
+  else
+    encodeURI filePath
+
 compileCoffeeScript = (coffee, filePath, cachePath) ->
   {js, v3SourceMap} = CoffeeScript.compile(coffee, filename: filePath, sourceMap: true)
   # Include source map in the web page environment.
   if btoa? and JSON? and unescape? and encodeURIComponent?
-    js = "#{js}\n//# sourceMappingURL=data:application/json;base64,#{btoa unescape encodeURIComponent v3SourceMap}\n//# sourceURL=#{filePath}"
+    js = "#{js}\n//# sourceMappingURL=data:application/json;base64,#{btoa unescape encodeURIComponent v3SourceMap}\n//# sourceURL=#{convertFilePath(filePath)}"
   try
     fs.writeFileSync(cachePath, js)
   js