Zundokokiyoshiwith Vue.js

'use strict'

class Zundoko

  constructor: ->
    @data =
      kiyoshi: false
      zun: 0
      items: []

  methods:

    push: ->
      doko = Math.random() > 0.5
      str = if doko then 'ドコ' else 'ズン'
      @items.push({text:str})
      if doko and @zun >= 4
        @items.push({text:'キ・ヨ・シ!'})
        @kiyoshi = true
      if !doko then @zun++ else @zun = 0
      return

kiyoshi = new Zundoko()
new Vue({el: '#kiyoshi', data: kiyoshi.data, methods: kiyoshi.methods})

#kiyoshi
  button(type="button" @click="push" v-show="!kiyoshi") Push
  ul
    li(v-for="item in items" v-text="item.text")