don't choke on null

Author: Carlos Rodriguez

index.js

@@ -14,7 +14,7 @@ module.exports = function (obj, opts) {
     })(opts.cmp);
 
     return (function stringify (node) {
-        if (typeof node !== 'object') {
+        if (typeof node !== 'object' || node === null) {
             return json.stringify(node);
         }
         if (isArray(node)) {

test/str.js

@@ -3,6 +3,6 @@ var stringify = require('../');
 
 test('simple object', function (t) {
     t.plan(1);
-    var obj = { c: 6, b: [4,5], a: 3 };
-    t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6}');
+    var obj = { c: 6, b: [4,5], a: 3, z: null };
+    t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6,"z":null}');
 });