实际上只添加了一个 sync 方法

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": ["es2015"]
+}

.gitignore

@@ -1,4 +1,5 @@
-src/jasmine-core/
-node_modules/
-src/*.js
-!gulpfile.js
+/src/jasmine-core/
+/node_modules/
+/src/*.js
+/**/*.map
+/typings/

README.md

@@ -1,5 +1,10 @@
 # chrome-storage.js
 
+[![dependencies Status](https://img.shields.io/david/lmk123/chrome-storage-wrapper.svg?style=flat-square)](https://david-dm.org/lmk123/chrome-storage-wrapper)
+[![devDependencies Status](https://img.shields.io/david/dev/lmk123/chrome-storage-wrapper.svg?style=flat-square)](https://david-dm.org/lmk123/chrome-storage-wrapper#info=devDependencies)
+[![Bower Version](https://img.shields.io/bower/v/chrome-storage-wrapper.svg?style=flat-square)](https://github.com/lmk123/chrome-storage-wrapper/releases)
+[![NPM Version](https://img.shields.io/npm/v/chrome-storage-wrapper.svg?style=flat-square)](https://www.npmjs.com/package/chrome-storage-wrapper)
+
 A tiny wrapper for [chrome.storage](https://developer.chrome.com/extensions/storage) that using [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).
 
 ## Example
@@ -31,7 +36,7 @@ chromeStorage.set({
 
 ## Installation
 
-Install with [Bower](http://bower.io/): 
+Install with [Bower](http://bower.io/):
 
 ```
 bower install chrome-storage-wrapper
@@ -117,7 +122,7 @@ chromeStorage.set({ key1:'value1', key2:'value2' })
 Removes one or more items.
 
 ```js
-chromeStorage.remove([ 'key1', 'key2' })
+chromeStorage.remove([ 'key1', 'key2' ])
     .then(() => {
         // ...
     });
@@ -127,6 +132,10 @@ chromeStorage.remove([ 'key1', 'key2' })
 
 Removes all items.
 
+#### chromeStorage.sync([ area-from, area-to])
+
+Sync the data from `area-from` to `area-to`.
+
 #### chromeStorage.addChangeListener(callback[, options])
 
 Fired when one or more items change. This function return a function, it's used by `chromeStorage.removeChangeListener`. **Note**: The changes only has the new value. See below:

bower.json

@@ -4,8 +4,9 @@
   "description" : "A tiny wrapper for chrome.storage  that using Promise." ,
   "ignore" : [
     "**/*" ,
-    "!release/*",
-    "!README.md"
+    "!release/*" ,
+    "!README.md" ,
+    "!package.json"
   ] ,
   "moduleType" : [
     "amd" ,
@@ -24,6 +25,6 @@
     "url" : "https://github.com/lmk123/chrome-storage-wrapper.git"
   } ,
   "devDependencies" : {
-    "jasmine-core" : "^2.0.0"
+    "jasmine-core" : "~2.3.4"
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name" : "chrome-storage-wrapper" ,
-  "version" : "0.1.2" ,
+  "version" : "0.1.3" ,
   "description" : "A tiny wrapper for chrome.storage that using Promise." ,
   "author" : {
     "name" : "Milk Lee" ,
@@ -23,7 +23,13 @@
   ] ,
   "license" : "MIT" ,
   "devDependencies" : {
-    "gulp" : "^3.0.0" ,
-    "gulp-es6-sass" : "*"
+    "babel-cli" : "^6.1.2" ,
+    "babel-preset-es2015" : "^6.1.2" ,
+    "bower" : "^1.6.5" ,
+    "tsd" : "^0.6.5"
+  } ,
+  "scripts" : {
+    "tsd" : "tsd" ,
+    "bower" : "bower"
   }
 }