comparison test now passes

Author: James Halliday

index.js

@@ -3,7 +3,15 @@ var json = typeof JSON !== 'undefined' ? JSON : require('jsonify');
 module.exports = function (obj, opts) {
     if (!opts) opts = {};
     if (typeof opts === 'function') opts = { cmp: opts };
-    var cmp = opts.cmp;
+    var cmp = opts.cmp && (function (f) {
+        return function (node) {
+            return function (a, b) {
+                var aobj = { key: a, value: node[a] };
+                var bobj = { key: b, value: node[b] };
+                return f(aobj, bobj);
+            };
+        };
+    })(opts.cmp);
 
     return (function stringify (node) {
         if (typeof node !== 'object') {
@@ -17,7 +25,7 @@ module.exports = function (obj, opts) {
             return '[' + out.join(',') + ']';
         }
         else {
-            var keys = objectKeys(node).sort(cmp);
+            var keys = objectKeys(node).sort(cmp(node));
             var out = [];
             for (var i = 0; i < keys.length; i++) {
                 var key = keys[i];

test/cmp.js

@@ -5,7 +5,7 @@ test('custom comparison function', function (t) {
     t.plan(1);
     var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
     var s = stringify(obj, function (a, b) {
-        return a.key < b.key ? -1 : 1;
+        return a.key < b.key ? 1 : -1;
     });
     t.equal(s, '{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}');
 });