DevTools: [SASS] extract exact property name and value ranges

third_party/WebKit/Source/devtools/front_end/sass/SASSSourceMapFactory.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {WebInspector.SourceMapFactory}
  */
 WebInspector.SASSSourceMapFactory = function()
 {
@@ skipping 52 matching lines @@
         map.compiledModel().visit(onNode);
         return valid ? map : null;
 
         /**
          * @param {!WebInspector.SASSSupport.Node} cssNode
          */
         function onNode(cssNode)
         {
             if (!(cssNode instanceof WebInspector.SASSSupport.TextNode))
                 return;
-            var entry = sourceMap.findEntry(cssNode.range.endLine, cssNode.range.endColumn);
+            var entry = sourceMap.findEntry(cssNode.range.startLine, cssNode.range.startColumn);
             if (!entry || !entry.sourceURL || typeof entry.sourceLineNumber === "undefined" || typeof entry.sourceColumnNumber === "undefined")
                 return;
             var sassAST = models.get(entry.sourceURL);
             if (!sassAST)
                 return;
             var sassNode = sassAST.findNodeForPosition(entry.sourceLineNumber, entry.sourceColumnNumber);
             if (!sassNode)
                 return;
             if (cssNode.parent && (cssNode.parent instanceof WebInspector.SASSSupport.Property) && cssNode === cssNode.parent.name)
                 valid = valid && cssNode.text.trim() === sassNode.text.trim();
             map.addMapping(cssNode, sassNode);
         }
     },
 }