add node modules to repo

node_modules/traverse/test/date.js

@@ -0,0 +1,35 @@
+var assert = require('assert');
+var Traverse = require('traverse');
+
+exports.dateEach = function () {
+    var obj = { x : new Date, y : 10, z : 5 };
+    
+    var counts = {};
+    
+    Traverse(obj).forEach(function (node) {
+        var t = (node instanceof Date && 'Date') || typeof node;
+        counts[t] = (counts[t] || 0) + 1;
+    });
+    
+    assert.deepEqual(counts, {
+        object : 1,
+        Date : 1,
+        number : 2,
+    });
+};
+
+exports.dateMap = function () {
+    var obj = { x : new Date, y : 10, z : 5 };
+    
+    var res = Traverse(obj).map(function (node) {
+        if (typeof node === 'number') this.update(node + 100);
+    });
+    
+    assert.ok(obj.x !== res.x);
+    assert.deepEqual(res, {
+        x : obj.x,
+        y : 110,
+        z : 105,
+    });
+};
+