events/events.js

/**@enum {string}*/
export const Events = {
  COLLISION : "collision",
  PRECOLLISION : "precollision",
  PREUPDATE : "preupdate",
  POSTUPDATE : "postupdate",
   UPDATE : "postupdate",  
   INITIALIZE : "init",
   ADD : "add",
   REMOVE : "remove",
   PAUSE : "pause",
   PLAY : "play"
}