Support response.ok

Author: WhatAKitty

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-fetch-mock",
-  "version": "0.6.2",
+  "version": "0.7.0",
   "description": "fetch mock for reactjs",
   "main": "index.js",
   "scripts": {

src/response.js

@@ -22,6 +22,14 @@ class Response {
     return this[_statusText];
   }
 
+  get ok() {
+    if (this.status >= 200 && this.status < 300) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
   text() {
     try {
       return Promise.resolve(JSON.stringify(this[_data]));