修改引用方式，增加SAMPLE

README.md

@@ -20,7 +20,7 @@ crater 会根据根目录下的 `product` 目录中的配置文件生成一份 `
 
 ## 使用方式
 
-开发者将代码 clone 到本地后有 __三__ 个步骤需要进行：
+开发者将代码 clone 到本地后有三个步骤需要进行：
 
 ### 编写配置文件
 

build/webpack.conf.js

@@ -16,7 +16,7 @@ module.exports = {
         ['serviceworker-cache-polyfill', resolve('main.js')],
     output: {
         path: config.build.outputPath,
-        filename: isTest ? 'service-worker.js' : 'service-worker-[hash:8].js'
+        filename: isTest ? 'service-worker.js' : 'service-worker.js'
     },
     devtool: config.build.productionSourceMap ? '#source-map' : false,
     module: {

main.js

@@ -6,7 +6,13 @@
 'use strict';
 
 import sw from './lib/sw-base';
-import product from './product';
+
+function requireAll(requireContext) {
+    return requireContext.keys().map(requireContext);
+}
+
+// import product/*
+const product = requireAll(require.context('./product', true, /^\.\/.*\.js$/));
 
 /**
  * 获取缓存名称

product/SAMPLE.md

@@ -0,0 +1,63 @@
+# Product Sample
+
+You should list all configures of your products here, including __WHAT__ resources should be cached in __WHICH__ strategy. Sample config files are as follows:
+
+## Sample 1: pageSearch.conf.js
+
+```javascript
+
+'use strict';
+
+export default {
+
+    name: 'pageSearch',
+
+    // referrer url patterns
+    referrerPattern: /\/s\?/,
+
+    validateReferrer: 'https://m.baidu.com/s?word=123&ts=0&t_kt=0&ie=utf-8&rsv_iqid=2950933944&rsv_t=59feNNSsxLiVpQVUwj7SxdZ%252BTEvttKzgZj7zBw%252BUz%252FRihNQcWwKR&sa=ib&rsv_pq=2950933944',
+
+    routers: [
+        {
+            method: 'get',
+            // static file url patterns
+            urlPattern: /se\/static\/(js|pmd|css)\/.*(css|js)$/,
+            strategy: 'networkFirst',
+            validate: [{
+                url: '/se/static/js/uiamd/bdbox/follow_4ff41a2.js'
+            }]
+        }
+    ]
+};
+
+```
+
+## Sample 2: superFrame.conf.js
+
+```javascript
+
+'use strict';
+
+export default {
+
+    name: 'superFrame',
+
+    // referrer url patterns
+    referrerPattern: /\/sf\?/,
+
+    validateReferrer: 'https://m.baidu.com/sf?openapi=1&dspName=iphone&from_sf=1&pd=city&resource_id=4324&ms=1&ms=1&word=%E5%8C%97%E4%BA%AC&hide=1&apitn=tangram&top=%7B%22sfhs%22%3A2%7D&city_name=None&title=%E5%8C%97%E4%BA%AC%E6%97%85%E6%B8%B8&lid=4572408700669128688&frsrcid=32228&frorder=1',
+
+    routers: [
+        {
+            method: 'get',
+            // static file url patterns
+            urlPattern: /se\/static\/sf\/.*(css|js)$/,
+            strategy: 'networkFirst',
+            validate: [{
+                url: '/se/static/sf/app/pmd/pmd/deps/naboo_eaee39f.js'
+            }]
+        }
+    ]
+};
+
+```