Added method for adding own providers via OAuthManager

README.md

@@ -533,6 +533,21 @@ We can `deauthorize()` our user's from using the provider by calling the `deauth
 manager.deauthorize('twitter');
 ```
 
+## Adding your own providers
+
+To add your own providers you can use the `addProvider()` method and fill in your provider details:
+
+```javascript
+manager.addProvider({
+    'name_of_provider': {
+        auth_version: '2.0',
+        authorize_url: 'https://provider.dev/oauth',
+        access_token_url: 'https://provider.dev/oauth/token',
+        callback_url: ({app_name}) => `${app_name}://oauth`,
+    }
+});
+```
+
 ## Contributing
 
 This is _open-source_ software and we can make it rock for everyone through contributions.

react-native-oauth.js

@@ -13,7 +13,9 @@ const OAuthManagerBridge = NativeModules.OAuthManager;
 let configured = false;
 const STORAGE_KEY = 'ReactNativeOAuth';
 import promisify from './lib/promisify'
-import authProviders from './lib/authProviders';
+import defaultProviders from './lib/authProviders';
+
+let authProviders = defaultProviders;
 
 const identity = (props) => props;
 /**
@@ -27,6 +29,10 @@ export default class OAuthManager {
     this._options = opts;
   }
 
+  addProvider(provider) {
+     Object.assign({}, authProviders, provider);
+  }
+
   configure(providerConfigs) {
     return this.configureProviders(providerConfigs)
   }
@@ -99,11 +105,11 @@ export default class OAuthManager {
   // Private
   /**
    * Configure a single provider
-   * 
-   * 
+   *
+   *
    * @param {string} name of the provider
    * @param {object} additional configuration
-   * 
+   *
    **/
   configureProvider(name, props) {
     invariant(OAuthManager.isSupported(name), `The provider ${name} is not supported yet`);