interaction-in-js.js

function interaction() {
 let dragging = 0;
 let start = 0;
 let position = 0;

 return (gestureTranslation, gestureState) => {
   if (gestureState === State.ACTIVE) {
     if (dragging === 0) {
       dragging = 1;
       start = position;
     }
     position = start + gestureTranslation;
   } else {
     dragging = 0;
   }
   return position;
 };
}