release for version 0.5.0

Author: sasaplus1

.closurelinter

@@ -1,4 +1,4 @@
 --strict
 --nojsdoc
 -e node_modules,bower_components
--x deepcopy.min.js
+-x deepcopy.min.js,test.pwr.js

.travis.yml

@@ -1,6 +1,14 @@
 language: node_js
 node_js:
   - "0.10"
+  - "0.11"
+  - "0.12"
+  - "iojs"
+sudo: false
+cache:
+  directories:
+    - node_modules
+    - bower_components
 notifications:
   email: false
 before_script:

HISTORY.md

@@ -1,3 +1,7 @@
+# 0.5.0 / 2015-04-11
+
+  - supported for Symbol
+
 # 0.4.0 / 2015-01-10
 
   - refactored

README.md

@@ -2,8 +2,8 @@
 
 [![Build Status](https://travis-ci.org/sasaplus1/deepcopy.js.svg)](https://travis-ci.org/sasaplus1/deepcopy.js)
 [![Dependency Status](https://gemnasium.com/sasaplus1/deepcopy.js.svg)](https://gemnasium.com/sasaplus1/deepcopy.js)
-[![NPM version](https://badge.fury.io/js/deepcopy.js.svg)](http://badge.fury.io/js/deepcopy.js)
-[![Bower version](https://badge.fury.io/bo/deepcopy.js.svg)](http://badge.fury.io/bo/deepcopy.js)
+[![NPM version](https://badge.fury.io/js/deepcopy.svg)](http://badge.fury.io/js/deepcopy)
+[![Bower version](https://badge.fury.io/bo/deepcopy.svg)](http://badge.fury.io/bo/deepcopy)
 
 deep copy for any data
 
@@ -84,6 +84,22 @@ console.log(require('util').inspect(deep, { depth: null }));
 //      to: [Circular] } }
 ```
 
+```js
+var data, deep;
+
+data = { object: {} };
+data.object[Symbol.for('sym')] = 123;
+
+deep = deepcopy(data);
+
+delete data.object;
+
+console.log(data.object);
+// undefined
+console.log(deep.object[Symbol.for('sym')]);
+// 123
+```
+
 ## Functions
 
 ### deepcopy(value)
@@ -112,6 +128,7 @@ supported types are below:
   * recursive copy
   * also can copy if it has circular reference
 * Buffer (node.js only)
+* Symbol
 
 ## Test
 

bower.json

@@ -7,6 +7,7 @@
     "bower_components"
   ],
   "devDependencies": {
+    "es5-shim": "~4.0",
     "mocha": "~2.1",
     "power-assert": "~0.10"
   }

deepcopy.js

@@ -24,10 +24,13 @@
 }(this, function() {
   'use strict';
 
-  var util, isBuffer, getKeys, indexOfArray;
+  var isNode, util, isBuffer, getKeys, getSymbols, indexOfArray;
+
+  // is node.js/io.js?
+  isNode = (typeof process !== 'undefined' && typeof require !== 'undefined');
 
   // fallback util module for browser.
-  util = (typeof exports === 'object') ? require('util') : (function() {
+  util = (isNode) ? require('util') : (function() {
     function isArray(value) {
       return (typeof value === 'object' &&
           Object.prototype.toString.call(value) === '[object Array]');
@@ -43,18 +46,28 @@
           Object.prototype.toString.call(value) === '[object RegExp]');
     }
 
+    function isSymbol(value) {
+      return (typeof value === 'symbol');
+    }
+
     return {
       isArray: (typeof Array.isArray === 'function') ?
           function(obj) {
             return Array.isArray(obj);
           } : isArray,
       isDate: isDate,
-      isRegExp: isRegExp
+      isRegExp: isRegExp,
+      isSymbol: (typeof Symbol === 'function') ?
+          isSymbol :
+          function() {
+            // always return false when Symbol is not supported.
+            return false;
+          }
     };
   }());
 
   // fallback Buffer.isBuffer
-  isBuffer = (typeof exports === 'object' && typeof Buffer === 'function') ?
+  isBuffer = (isNode) ?
       function(obj) {
         return Buffer.isBuffer(obj);
       } :
@@ -83,6 +96,16 @@
         return keys;
       };
 
+  // get symbols in object.
+  getSymbols = (typeof Symbol === 'function') ?
+      function(obj) {
+        return Object.getOwnPropertySymbols(obj);
+      } :
+      function() {
+        // always return empty array when Symbol is not supported.
+        return [];
+      };
+
   // fallback Array#indexOf for old browsers.
   indexOfArray = (typeof Array.prototype.indexOf === 'function') ?
       function(array, searchElement) {
@@ -117,14 +140,25 @@
   function copyValue_(value, clone, visited, reference) {
     var str, pos, buf, keys, i, len, key, val, idx, obj, ref;
 
-    // number, string, boolean, null, undefined and function.
+    // number, string, boolean, null, undefined, function and symbol.
     if (value === null || typeof value !== 'object') {
       return value;
     }
 
     // Date.
     if (util.isDate(value)) {
       // Firefox need to convert to Number
+      //
+      // Firefox:
+      //   var date = new Date;
+      //   +date;            // 1420909365967
+      //   +new Date(date);  // 1420909365000
+      //   +new Date(+date); // 1420909365967
+      // Chrome:
+      //   var date = new Date;
+      //   +date;            // 1420909757913
+      //   +new Date(date);  // 1420909757913
+      //   +new Date(+date); // 1420909757913
       return new Date(+value);
     }
 
@@ -151,7 +185,7 @@
     }
 
     // Object or Array.
-    keys = getKeys(value);
+    keys = getKeys(value).concat(getSymbols(value));
 
     for (i = 0, len = keys.length; i < len; ++i) {
       key = keys[i];

deepcopy.min.js

@@ -1,6 +1,6 @@
 {
   "name": "deepcopy",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "author": "sasa+1 <[email protected]>",
   "contributors": [
     "kjirou <[email protected]>"
@@ -20,19 +20,19 @@
     "bower": "bower install",
     "fix": "fixjsstyle --flagfile .closurelinter -r .",
     "lint": "gjslint --flagfile .closurelinter -r .",
-    "minify": "uglifyjs ./deepcopy.js --comments -cm -r deepcopy -o ./deepcopy.min.js",
+    "minify": "uglifyjs ./deepcopy.js --comments '@license' -cm -r deepcopy -o ./deepcopy.min.js",
     "power": "espower ./test/test.js > ./test/test.pwr.js",
-    "test": "mocha",
-    "testem": "testem ci",
+    "test": "mocha ./test/test.js",
+    "testem": "testem",
     "travis": "testem ci --launch Firefox,PhantomJS"
   },
   "devDependencies": {
-    "bower": "~1.3",
-    "espower-cli": "^0.2",
-    "intelli-espower-loader": "~0.5",
-    "mocha": "~2.1",
+    "bower": "~1.4",
+    "espower-cli": "~0.2",
+    "intelli-espower-loader": "~0.6",
+    "mocha": "~2.2",
     "power-assert": "~0.10",
-    "testem": "~0.6",
+    "testem": "~0.7",
     "uglify-js": "~2.4"
   }
 }

package.json

@@ -8,6 +8,9 @@
   </head>
   <body>
     <div id="mocha"></div>
+    <!--[if lte IE 8.0]>
+    <script src="../bower_components/es5-shim/es5-shim.min.js"></script>
+    <![endif]-->
     <script src="../bower_components/power-assert/build/power-assert.js"></script>
     <script src="../bower_components/mocha/mocha.js"></script>
     <script src="/testem.js"></script>

test/index.html

@@ -63,6 +63,12 @@
         assert.deepEqual(deepcopy(buffer), buffer);
       } : undefined);
 
+      it('should return Symbol', (typeof Symbol === 'function') ? function() {
+        var symbol = Symbol();
+
+        assert(deepcopy(symbol) === symbol);
+      } : undefined);
+
     });
 
     describe('check for recursive copy', function() {
@@ -97,14 +103,28 @@
         });
 
         assert(copy === copy.to);
-        assert(copy.to === copy);
       });
 
+      it('should return object, it has symbol', (typeof Symbol === 'function') ?
+          function() {
+            var object = {},
+                a = Symbol.for('a'),
+                b = Symbol.for('b'),
+                c = Symbol.for('c');
+
+            object[a] = 1;
+            object[b] = 2;
+            object[c] = 3;
+
+            assert.deepEqual(deepcopy(object), object);
+          } : undefined
+      );
+
     });
 
-    describe('check for duplicate item', function() {
+    describe('check for duplicate function', function() {
 
-      it('should return array, it has duplicate item', function() {
+      it('should return array, it has duplicate function', function() {
         var array = [fn, fn],
             copy = deepcopy(array);
 
@@ -113,7 +133,7 @@
         assert(copy[0] === copy[1]);
       });
 
-      it('should return object, it has duplicate item', function() {
+      it('should return object, it has duplicate function', function() {
         var object = { a: fn, b: fn },
             copy = deepcopy(object);
 
@@ -122,6 +142,24 @@
         assert(copy.a === copy.b);
       });
 
+      it('should return object, it has symbol', (typeof Symbol === 'function') ?
+          function() {
+            var object = {},
+                a = Symbol.for('a'),
+                b = Symbol.for('b'),
+                copy;
+
+            function fn() {}
+
+            object[a] = fn;
+            object[b] = fn;
+
+            copy = deepcopy(object);
+
+            assert(copy[a] === copy[b]);
+          } : undefined
+      );
+
     });
 
   });