fix: when first prop is a string lookup

remy · Feb 8, 2017 · 9c7867e · 9c7867e
1 parent f6a7369
commit 9c7867e
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/lib/undefsafe.js b/lib/undefsafe.js
@@ -18,7 +18,10 @@ function undefsafe(obj, path, value) {
           i++;
           c = path.substr(i, 1);
         }
-        res.push(key);
+
+        if (key) { // the first value could be a string
+          res.push(key);
+        }
         key = '';
         continue;
       }

diff --git a/test/undefsafe.test.js b/test/undefsafe.test.js
@@ -66,6 +66,13 @@ test('should find properties with periods in them', function (t) {
   r = undefsafe(value, `a['one.two.and\three'].1`);
   t.equal(r, true, 'combo: ' + r);
 
+  value = {
+    'one.two': true
+  };
+
+  r = undefsafe(value, `['one.two']`);
+  t.equal(r, true, 'root: ' + r);
+
   t.end();
 });