changed default payload and error values to undefined for better lodash support

Author: madshall

README.md

@@ -152,8 +152,8 @@ The contents of `responseCallback` argument are:
 - `isLoaded: boolean` - `true` if there's no error and request was successfull. Usually means that its payload contains the response data.
 - `isError: boolean` - `true` if there's an error while making this request
 - `isFinished: boolean` - `true` if either `isLoaded` or `isError` is `true`.
-- `payload: object` - response body if there was no error. Default: `null`,
-- `error: object` - error detail if there was an error. Default: `null`.
+- `payload: object` - response body if there was no error. Default: `undefined`,
+- `error: object` - error detail if there was an error. Default: `undefined`.
 - `refresh: function` - a function that triggers re-fetch of data no matter what.
 
 # HOW-TOs

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-data-subscription",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "description": "Data provider for React applications. Simplifies data flow by handling component's props and state changes, automatically fetching new data if necessary and applying it directly to component's state. Forget about promises, sagas, callbacks etc. This higher order component provides your component with a single prop that does the magic.",
   "main": "dist/index.js",
   "scripts": {

src/store/entity.js

@@ -19,8 +19,8 @@ export default class Entity extends EventEmitter {
 
     this.body = {
       ...DEFAULT_STATE,
-      payload: null,
-      error: null,
+      payload: undefined,
+      error: undefined,
     };
   }
 

src/store/subscription.js

@@ -120,7 +120,7 @@ export default class Subscription extends EventEmitter {
           isLoaded: true,
           isFinished: true,
           payload,
-          error: null,
+          error: undefined,
         });
       })
       .catch(error => {
@@ -129,7 +129,7 @@ export default class Subscription extends EventEmitter {
           isRefreshing: false,
           isError: true,
           isFinished: true,
-          payload: null,
+          payload: undefined,
           error,
         });
       });