From 1a5fe196b3d38b50cbc29179d10a4d3250024342 Mon Sep 17 00:00:00 2001
From: Brandon Frohs <brandon@forewordreviews.com>
Date: Mon, 22 Apr 2013 12:37:12 -0400
Subject: [PATCH 1/4] Add `sourceMapURL` option.

Same as `--source-map-url` in CLI.
---
 tools/node.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/node.js b/tools/node.js
index c0dd3dbc..1df61bcd 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -52,6 +52,7 @@ for (var i in UglifyJS) {
 exports.minify = function(files, options) {
     options = UglifyJS.defaults(options, {
         outSourceMap : null,
+        sourceMapURL : null,
         sourceRoot   : null,
         inSourceMap  : null,
         fromString   : false,
@@ -110,7 +111,7 @@ exports.minify = function(files, options) {
     var stream = UglifyJS.OutputStream(output);
     toplevel.print(stream);
     return {
-        code : stream + "",
+        code : stream + (output.source_map ? "\n//@ sourceMappingURL=" + (options.sourceMapURL || options.outSourceMap) : ""),
         map  : output.source_map + ""
     };
 };

From 9a14825a1a49d24be14b89e8e94c2e78ec6cea2c Mon Sep 17 00:00:00 2001
From: Brandon Frohs <brandon@forewordreviews.com>
Date: Mon, 22 Apr 2013 12:44:31 -0400
Subject: [PATCH 2/4] Add `prefix` option.

Same as `-p` and `--prefix` in CLI.
---
 tools/node.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/node.js b/tools/node.js
index 1df61bcd..0bbdf6c6 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -59,6 +59,7 @@ exports.minify = function(files, options) {
         warnings     : false,
         mangle       : {},
         output       : null,
+        prefix       : null,
         compress     : {}
     });
     if (typeof files == "string")
@@ -70,6 +71,11 @@ exports.minify = function(files, options) {
         var code = options.fromString
             ? file
             : fs.readFileSync(file, "utf8");
+				
+				if (options.prefix !== null) {
+	        file = file.replace(/^\/+/, "").split(/\/+/).slice(options.prefix).join("/");
+				}
+				
         toplevel = UglifyJS.parse(code, {
             filename: options.fromString ? "?" : file,
             toplevel: toplevel

From eda3a19b38c9dda896f273c9988766d76b193ee2 Mon Sep 17 00:00:00 2001
From: Brandon Frohs <bfrohs@gmail.com>
Date: Sun, 13 Jul 2014 21:30:20 -0400
Subject: [PATCH 3/4] Avoid adding source map url twice

---
 tools/node.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/node.js b/tools/node.js
index 52405f3a..21a202fb 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -134,12 +134,14 @@ exports.minify = function(files, options) {
     var stream = UglifyJS.OutputStream(output);
     toplevel.print(stream);
 
-    if(options.outSourceMap){
+    if(options.sourceMapURL){
+        stream += "\n//# sourceMappingURL=" + options.sourceMapURL;
+    } else if(options.outSourceMap){
         stream += "\n//# sourceMappingURL=" + options.outSourceMap;
     }
 
     return {
-        code : stream + (output.source_map ? "\n//@ sourceMappingURL=" + (options.sourceMapURL || options.outSourceMap) : ""),
+        code : stream + "",
         map  : output.source_map + ""
     };
 };

From 883fb2177e8c08434f77c67a37831cc153d44a8f Mon Sep 17 00:00:00 2001
From: Brandon Frohs <bfrohs@gmail.com>
Date: Sun, 3 Aug 2014 23:46:06 -0400
Subject: [PATCH 4/4] Add leading / to original's url

---
 tools/node.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/node.js b/tools/node.js
index 21a202fb..6880204d 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -80,7 +80,7 @@ exports.minify = function(files, options) {
                 : fs.readFileSync(file, "utf8");
 
             if (options.prefix !== null) {
-                file = file.replace(/^\/+/, "").split(/\/+/).slice(options.prefix).join("/");
+                file = '/' + file.replace(/^\/+/, "").split(/\/+/).slice(options.prefix).join("/");
             }
 
             sourcesContent[file] = code;