Merge pull request #13 from ntvinhit/master

Fix isOrientationPortrait is undefined

Author: dabit3

lib/useDeviceOrientation.js

@@ -3,15 +3,15 @@ import { Dimensions } from 'react-native';
 
 const screen = Dimensions.get('screen');
 
+const isOrientationPortrait = ({ width, height }) => height >= width;
+const isOrientationLandscape = ({ width, height }) => width >= height;
+
 export default () => {
   const [orientation, setOrientation] = useState({
     portrait: isOrientationPortrait(screen),
     landscape: isOrientationLandscape(screen)
   });
 
-  isOrientationPortrait = ({ width, height }) => height >= width;
-  isOrientationLandscape = ({ width, height }) => width >= height;
-
   onChange = ({ screen }) => {
     setOrientation({
       portrait: isOrientationPortrait(screen),