automatic_dragon_insertion.js

// beware of dragons
// don't put your brackets on a new line
function actionCreator(data) {
  return
  {
    type: 'EATEN_BY_A_DRAGON',
    data
  }
}

// or you'll get
function actionCreator(data) {
  return🐉
  {
    type: 'EATEN_BY_A_DRAGON',
    data
  }🐉
}