add node_modules

node_modules/defaults/index.js

@@ -0,0 +1,13 @@
+var clone = require('clone');
+
+module.exports = function(options, defaults) {
+  options = options || {};
+
+  Object.keys(defaults).forEach(function(key) {
+    if (typeof options[key] === 'undefined') {
+      options[key] = clone(defaults[key]);
+    }
+  });
+
+  return options;
+};

node_modules/defaults/test.js

@@ -0,0 +1,34 @@
+var defaults = require('./'),
+    test = require('tap').test;
+
+test("ensure options is an object", function(t) {
+  var options = defaults(false, { a : true });
+  t.ok(options.a);
+  t.end()
+});
+
+test("ensure defaults override keys", function(t) {
+  var result = defaults({}, { a: false, b: true });
+  t.ok(result.b, 'b merges over undefined');
+  t.equal(result.a, false, 'a merges over undefined');
+  t.end();
+});
+
+test("ensure defined keys are not overwritten", function(t) {
+  var result = defaults({ b: false }, { a: false, b: true });
+  t.equal(result.b, false, 'b not merged');
+  t.equal(result.a, false, 'a merges over undefined');
+  t.end();
+});
+
+test("ensure defaults clone nested objects", function(t) {
+  var d = { a: [1,2,3], b: { hello : 'world' } };
+  var result = defaults({}, d);
+  t.equal(result.a.length, 3, 'objects should be clones');
+  t.ok(result.a !== d.a, 'objects should be clones');
+
+  t.equal(Object.keys(result.b).length, 1, 'objects should be clones');
+  t.ok(result.b !== d.b, 'objects should be clones');
+  t.end();
+});
+