add stringify to examples

examples/stringify.js

@@ -0,0 +1,35 @@
+#!/usr/bin/env node
+var Traverse = require('traverse');
+var sys = require('sys');
+
+var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
+
+var s = '';
+Traverse(obj).forEach(function (node) {
+    if (Array.isArray(node)) {
+        this.before(function () { s += '[' });
+        this.post(function (child) {
+            if (!child.isLast) s += ',';
+        });
+        this.after(function () { s += ']' });
+    }
+    else if (typeof node == 'object') {
+        this.before(function () { s += '{' });
+        this.pre(function (x, key) {
+            s += '"' + key + '"' + ':';
+        });
+        this.post(function (child) {
+            if (!child.isLast) s += ',';
+        });
+        this.after(function () { s += '}' });
+    }
+    else if (typeof node == 'function') {
+        s += 'null';
+    }
+    else {
+        s += node.toString();
+    }
+});
+
+console.log('JSON.stringify: ' + JSON.stringify(obj));
+console.log('this stringify: ' + s);

test/stringify.js

@@ -3,8 +3,7 @@ var Traverse = require('traverse');
 var sys = require('sys');
 
 exports.stringify = function (assert) {
-    //var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
-    var obj = [ 5, 6, -3, [ 7, 8, -2, 11 ], { f : 10, g : -13 } ];
+    var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
 
     var s = '';
     Traverse(obj).forEach(function (node) {