best-practice-js

composition.js

// composition

const killer = state => {
  kill: () => console.log("Heu hue, I kill you!")
}

const barker = state => ({
  bark: () => console.log("Wooof, I am " + state.name)
})

const murderRobotoDog = name => {
  let state = {
    name, speed: 150
  }
  
  return Object.assign(
    {},
    barker(state),
    killer(state)
  )
}