[refactor] move to leaner architecture

Author: yawnt

index.js

@@ -1 +1,10 @@
+/*!
+ *
+ * Charon the demon, with the eyes of glede,
+ * Beckoning to them, collects them all together,
+ * Beats with his oar whoever lags behind
+ *          Dante - The Divine Comedy (Canto III)
+ *
+ */
+
 module.exports = require('./lib/caronte');

lib/caronte.js

@@ -33,9 +33,9 @@ proxy.createProxyServer = function createProxyServer(options) {
       "   xfwd   : <true/false, adds x-forward headers>          ",
       " }                                                        ",
       "                                                          ",
-      "NOTE: `options.ws` and `options.ssl` are optional         ",
-      "      either one or both `options.target` and             ",
-      "      `options.forward` must exist                        "
+      "NOTE: `options.ws` and `options.ssl` are optional.        ",
+      "      `options.target and `options.forward` cannot be     ",
+      "      both missing                                        "
     ].join("\n"));
   }
 

lib/caronte/index.js

@@ -1,4 +1,34 @@
-var caronte = exports; 
+var caronte = exports,
+    web     = require('./passes/web');
+    ws      = require('./passes/ws');
+
+caronte.createWebProxy = createRightProxy('web');
+caronte.createWsProxy  = createRightProxy('ws');
+
+function createRightProxy(type) {
+  passes = type === 'ws' ? ws : web;
+  return function(options) { 
+
+    passes = Object.keys(passes).map(function(pass) {
+      return passes[pass];
+    });
+
+    return function(req, res) {
+      var self = this,
+          ev   = 'caronte:' + type + ':';
+      
+      self.emit(ev + 'begin', req, res); 
+
+      passes.forEach(function(pass) {
+        var event = ev + pass.name.toLowerCase();
+        
+        self.emit(event + 'begin', req, res);   
+        pass(req, res, options); 
+        self.emit(event + 'end');
+      });
+
+      self.emit(ev + 'end');
+    };   
+  };
+}
 
-caronte.createWebProxy = require('./web');
-caronte.createWsProxy  = require('./ws');

lib/caronte/web/index.js renamed to lib/caronte/passes/web.js

@@ -3,18 +3,14 @@ var ForwardStream = require('../streams/forward'),
     passes        = exports;
 
 /*!
- * List of passes.
+ * Array of passes.
  * 
  * A `pass` is just a function that is executed on `req, res, options`
  * so that you can easily add new checks while still keeping the base
  * flexible.
- *
  */
 
-passes.XHeaders     = XHeaders;
-passes.deleteLength = deleteLength;
-passes.timeout      = timeout;
-passes.stream       = stream;
+[ // <--
 
 function deleteLength(req, res, options) {
   if(req.method === 'DELETE' && !req.headers['content-length']) {
@@ -53,4 +49,9 @@ function stream(req, res, options) {
   }
 
   res.end();
-}
+}
+
+] // <--
+  .forEach(function(func) {
+    passes[func.name] = func;   
+  });