support for traversing an Error object.

ljharb · Feb 27, 2012 · 642dd51 · 642dd51
1 parent aeebf14
commit 642dd51
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diff --git a/index.js b/index.js
@@ -225,6 +225,9 @@ function copy (src) {
         else if (src instanceof Date) {
             dst = new Date(src);
         }
+        else if (src instanceof Error) {
+            dst = { message: src.message };
+        }
         else if (src instanceof Boolean) {
             dst = new Boolean(src);
         }

diff --git a/test/error.js b/test/error.js
@@ -0,0 +1,13 @@
+var assert = require('assert');
+var Traverse = require('../');
+
+exports['traverse an Error'] = function () {
+    var obj = new Error("test");
+
+    var results = Traverse(obj).map(function (node) { });
+
+    assert.deepEqual(results, {
+        message: 'test'
+    });
+};
+