From 7670176d9a94b603068e0b0f3e4fb5fd6e20eb20 Mon Sep 17 00:00:00 2001
From: Roman Dvornov <rdvornov@gmail.com>
Date: Mon, 16 Jan 2017 18:07:26 +0300
Subject: [PATCH] fix source map generation

---
 lib/utils/translateWithSourceMap.js |  2 +-
 test/translateWithSourceMaps.js     | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/utils/translateWithSourceMap.js b/lib/utils/translateWithSourceMap.js
index 67d1966e..169bf228 100644
--- a/lib/utils/translateWithSourceMap.js
+++ b/lib/utils/translateWithSourceMap.js
@@ -97,7 +97,7 @@ function createSourceNode(info, children) {
     }
 
     return new SourceNode(
-        info.start ? info.line : null,
+        info.start ? info.start.line : null,
         info.start ? info.start.column - 1 : null,
         info.source,
         children
diff --git a/test/translateWithSourceMaps.js b/test/translateWithSourceMaps.js
index 4d1fd53d..4b57e8c3 100644
--- a/test/translateWithSourceMaps.js
+++ b/test/translateWithSourceMaps.js
@@ -25,4 +25,15 @@ describe('translateWithSourceMap', function() {
             });
         }, /Unknown node type/);
     });
+
+    it.only('should generate a map', function() {
+        var ast = parse('.a {\n  color: red;\n}\n', {
+            filename: 'test.css',
+            positions: true
+        });
+        var result = translateWithSourceMap(ast);
+
+        assert.equal(result.css, '.a{color:red}');
+        assert.equal(result.map.toString(), '{"version":3,"sources":["test.css"],"names":[],"mappings":"AAAA,E,CACE,S"}');
+    });
 });