game_state.ts

let entities = [
  { id: '<GUID>', components: { attack: createAttackComponent({ ...settings }) } },
]

const systems = {
  move: require('./move'),
  attack: require('./attack'),
}

const updater = (dt) => {
  entities = entities.map(system.move);
  entities = entities.map(system.attack);
}

requestNextAnimationFrame(updater);