updated sys and created publi

publi/node_modules/node.extend/lib/extend.js

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+'use strict';
+
+/*!
+ * node.extend
+ * Copyright 2011, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * @fileoverview
+ * Port of jQuery.extend that actually works on node.js
+ */
+var is = require('is');
+
+var extend = function extend() {
+  var target = arguments[0] || {};
+  var i = 1;
+  var length = arguments.length;
+  var deep = false;
+  var options, name, src, copy, copyIsArray, clone;
+
+  // Handle a deep copy situation
+  if (typeof target === 'boolean') {
+    deep = target;
+    target = arguments[1] || {};
+    // skip the boolean and the target
+    i = 2;
+  }
+
+  // Handle case when target is a string or something (possible in deep copy)
+  if (typeof target !== 'object' && !is.fn(target)) {
+    target = {};
+  }
+
+  for (; i < length; i++) {
+    // Only deal with non-null/undefined values
+    options = arguments[i];
+    if (options != null) {
+      if (typeof options === 'string') {
+        options = options.split('');
+      }
+      // Extend the base object
+      for (name in options) {
+        src = target[name];
+        copy = options[name];
+
+        // Prevent never-ending loop
+        if (target === copy) {
+          continue;
+        }
+
+        // Recurse if we're merging plain objects or arrays
+        if (deep && copy && (is.hash(copy) || (copyIsArray = is.array(copy)))) {
+          if (copyIsArray) {
+            copyIsArray = false;
+            clone = src && is.array(src) ? src : [];
+          } else {
+            clone = src && is.hash(src) ? src : {};
+          }
+
+          // Never move original objects, clone them
+          target[name] = extend(deep, clone, copy);
+
+        // Don't bring in undefined values
+        } else if (typeof copy !== 'undefined') {
+          target[name] = copy;
+        }
+      }
+    }
+  }
+
+  // Return the modified object
+  return target;
+};
+
+/**
+ * @public
+ */
+extend.version = '1.1.3';
+
+/**
+ * Exports module.
+ */
+module.exports = extend;