#49 : Add tappable event handlers

src/actions/tappable/event.js

@@ -0,0 +1,15 @@
+// tap start event
+export function addFocusinEventListener(source, cb) {
+  source.addEventListener('touchstart', cb)
+}
+export function removeFocusinEventListener(source, cb) {
+  source.removeEventListener('touchstart', cb)
+}
+
+// tap end event
+export function addFocusoutEventListener(source, cb) {
+  source.addEventListener('touchend', cb)
+}
+export function removeFocusoutEventListener(source, cb) {
+  source.removeEventListener('touchend', cb)
+}