fix: conditions in gesture direction

react-navigation · Oct 22, 2019 · 225e760 · 225e760
1 parent f9cfbd0
commit 225e760
Showing 1 changed file with 8 additions and 5 deletions.
diff --git a/packages/stack/src/views/Stack/Card.tsx b/packages/stack/src/views/Stack/Card.tsx
@@ -713,13 +713,16 @@ export default class Card extends React.Component<Props> {
   private gestureActivationCriteria() {
     const { layout, gestureDirection, gestureResponseDistance } = this.props;
 
-    // Doesn't make sense for a response distance of 0, so this works fine
     const distance =
       gestureDirection === 'vertical'
-        ? (gestureResponseDistance && gestureResponseDistance.vertical) ||
-          GESTURE_RESPONSE_DISTANCE_VERTICAL
-        : (gestureResponseDistance && gestureResponseDistance.horizontal) ||
-          GESTURE_RESPONSE_DISTANCE_HORIZONTAL;
+        ? gestureResponseDistance &&
+          gestureResponseDistance.vertical !== undefined
+          ? gestureResponseDistance.vertical
+          : GESTURE_RESPONSE_DISTANCE_VERTICAL
+        : gestureResponseDistance &&
+          gestureResponseDistance.horizontal !== undefined
+        ? gestureResponseDistance.horizontal
+        : GESTURE_RESPONSE_DISTANCE_HORIZONTAL;
 
     if (gestureDirection === 'vertical') {
       return {