1 files changed, 19 insertions, 0 deletions
diff --git a/node_modules/engine.io-parser/lib/keys.js b/node_modules/engine.io-parser/lib/keys.js
new file mode 100644
index 0000000..947dafd
--- /dev/null
+++ b/node_modules/engine.io-parser/lib/keys.js
@@ -0,0 +1,19 @@
+
+/**
+ * Gets the keys for an object.
+ *
+ * @return {Array} keys
+ * @api private
+ */
+
+module.exports = Object.keys || function keys (obj){
+  var arr = [];
+  var has = Object.prototype.hasOwnProperty;
+
+  for (var i in obj) {
+    if (has.call(obj, i)) {
+      arr.push(i);
+    }
+  }
+  return arr;
+};