feat: add anyproxy rule

cli.js

@@ -16,7 +16,7 @@ var readFileSync = fs.readFileSync;
 program
   .version(require('./package').version, '-v, --version')
   .option('-p, --port <port>', 'port')
-  .option('--proxy', 'proxy with anyproxy')
+  .option('--proxy [rule]', 'proxy with anyproxy. rule is anyproxy rule file.')
   .option('--livereload', 'livereload')
   .option('--compress', 'build files with compress')
   .option('--weinre', 'weinre')

index.js

@@ -188,15 +188,37 @@ function Server(compiler, opts) {
 
     !anyproxy.isRootCAFileExists() && anyproxy.generateRootCA();
 
-    new anyproxy.proxyServer({
+
+    var anyproxy_opts = {
       type: 'http',
       port: opts.anyproxyPort || 8989,
       hostname: 'localhost',
       rule: require('./rule')({
         port: opts.port,
         hostname: ip
       })
-    });
+    };
+
+    if (typeof opts.proxy == 'string') {
+      var rule_path = path.join(process.cwd(), opts.proxy);
+
+      if (fs.existsSync(rule_path) && fs.statSync(rule_path).isFile()) {
+        try {
+          var rule = require(rule_path);
+        } catch (e) {
+          log.error('error', rule_path + ' is not a correct anyproxy rule file');
+          process.exit(1);
+        }
+
+        anyproxy_opts = {
+          rule: rule
+        };
+      } else {
+        log.error('error', rule_path + ' is not a correct anyproxy rule file. Use default anyproxy options');
+      }
+    }
+
+    new anyproxy.proxyServer(anyproxy_opts);
   }
 
   // https 支持

test/fixtures/anyproxy/README.md

@@ -0,0 +1,15 @@
+> anyproxy的测试用例不会写~
+
+测试方法：
+
+```
+cd test/fixtures/anyproxy
+
+../../../cli.js --proxy rule__anyproxy.js
+```
+
+浏览器中配置anyproxy的HTTP代理：127.0.0.1 端口8001
+
+访问：http://jianyu.alipay.net:8000/a.js
+
+会发现原来的`console.log('a.js');`变成了`console.log('b.js');`

test/fixtures/anyproxy/a.js

@@ -0,0 +1 @@
+console.log('a.js');

test/fixtures/anyproxy/package.json

@@ -0,0 +1,7 @@
+{
+  "spm": {
+    "output": [
+      "a.js"
+    ]
+  }
+}

test/fixtures/anyproxy/rule__anyproxy.js

@@ -0,0 +1,11 @@
+module.exports = {
+  summary: function () {
+    return 'my anyproxy';
+  },
+
+  replaceServerResDataAsync: function (req, res, serverResData, callback) {
+    serverResData = serverResData.toString().replace('a.js', 'b.js');
+    callback(serverResData);
+  }
+};
+