Correct path resolution when to/from paths match

src/lib/paths.js

@@ -57,7 +57,7 @@ const getAssetsPath = (baseDir, assetsPath, relative) =>
  * @returns {String}
  */
 const getTargetDir = (dir) =>
-    dir.from !== dir.to ? dir.to : process.cwd();
+    dir.to != null ? dir.to : process.cwd();
 
 /**
  * Stylesheet file path from decl

test/lib/paths.js

@@ -74,6 +74,10 @@ describe('paths', () => {
         );
         assert.equal(
             paths.getTargetDir({ from: '/project', to: '/project' }),
+            '/project'
+        );
+        assert.equal(
+            paths.getTargetDir({ from: '/project' }),
             process.cwd()
         );
     });