Changing adapter signature to receive config and return promises

lib/adapters/README.md

@@ -1,13 +1,13 @@
 # axios // adapters
 
-The modules under `adapters/` are modules that handle dispatching a request and settling a `Promise` once a response is received.
+The modules under `adapters/` are modules that handle dispatching a request and settling a returned `Promise` once a response is received.
 
 ## Example
 
 ```js
 var settle = require('./../core/settle');
 
-module.exports myAdapter(resolve, reject, config) {
+module.exports myAdapter(config) {
   // At this point:
   //  - config has been merged with defaults
   //  - request transformers have already run
@@ -15,20 +15,23 @@ module.exports myAdapter(resolve, reject, config) {
   
   // Make the request using config provided
   // Upon response settle the Promise
+
+  return new Promise(function(resolve, reject) {
   
-  var response = {
-    data: responseData,
-    status: request.status,
-    statusText: request.statusText,
-    headers: responseHeaders,
-    config: config,
-    request: request
-  };
+    var response = {
+      data: responseData,
+      status: request.status,
+      statusText: request.statusText,
+      headers: responseHeaders,
+      config: config,
+      request: request
+    };
 
-  settle(resolve, reject, response);
+    settle(resolve, reject, response);
 
-  // From here:
-  //  - response transformers will run
-  //  - response interceptors will run
+    // From here:
+    //  - response transformers will run
+    //  - response interceptors will run
+  });
 }
 ```