Update readme with promises infos

SnappFr · Jan 25, 2018 · 922b633 · 922b633
1 parent 2195e8d
commit 922b633
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -22,6 +22,8 @@ or
 ```javascript
 import ImgToBase64 from 'react-native-image-base64';
 
-ImgToBase64.getBase64String('file://youfileurl', (err, base64string) => doSomethingWith(base64string));
+ImgToBase64.getBase64String('file://youfileurl')
+  .then(base64String => doSomethingWith(base64String))
+  .catch(err => doSomethingWith(err));
 ```