const {t} = ef

const App = t`
>input
  #disabled
  %value = {{inputValue = 0}}
>button
  @click = decrement
  .-
>button
  @click = increment
  .+
`

let count = 0
const app = new App({
  $methods: {
    decrement({state}) {
      count -= 1;
      state.$data.inputValue = count
    },
    increment({state}) {
      count += 1;
      state.$data.inputValue = count
    }
  }
})

app.$mount({target: document.body})