#57 : Fix non passive touchstart event

src/actions/swipeable/event.js

@@ -1,7 +1,7 @@
 // start event
 export function addStartEventListener(source, cb) {
   source.addEventListener('mousedown', cb)
-  source.addEventListener('touchstart', cb)
+  source.addEventListener('touchstart', cb, { passive: true })
 }
 export function removeStartEventListener(source, cb) {
   source.removeEventListener('mousedown', cb)

src/actions/tappable/event.js

@@ -1,6 +1,6 @@
 // tap start event
 export function addFocusinEventListener(source, cb) {
-  source.addEventListener('touchstart', cb)
+  source.addEventListener('touchstart', cb, { passive: true })
 }
 export function removeFocusinEventListener(source, cb) {
   source.removeEventListener('touchstart', cb)