Vue Method-Style Access Demo

by Rocka

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/vuex/3.1.0/vuex.min.js"></script>
<div id="app">
  <h2>Todos:</h2>
  <ol>
    <li v-for="todo in todos">
      <label>
        <input type="checkbox"
          v-bind:checked="todo.done">
        <del v-if="todo.done">
          {{ todo.text }}
        </del>
        <span v-else>
          {{ todo.text }}
        </span>
      </label>
    </li>
  </ol>
  <label for="todo-id">ID: </label>
  <input type="number" v-model="todoId">
  <br>
  <label for="todo-id">Text: </label>
  <span>{{getTodoById(todoId).text}}</span>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

Vue.use(Vuex)

const store = new Vuex.Store({
	state: {
      todos: [
      { id: 0, text: "Learn JavaScript", done: false },
      { id: 1, text: "Learn Vue", done: false },
      { id: 2, text: "Play around in JSFiddle", done: true },
      { id: 3, text: "Build something awesome", done: true }
    ]
  },
  getters: {
  	getTodoById: function (state) {
    	return function (id) {
      	const todo = state.todos.find(t => t.id === id)
        return todo || { text: `todo#${id} not found...` }
      }
    }
  }
})

new Vue({
  store,
  el: "#app",
  data: {
    todoId: 0
  },
  computed: {
  	todos() { return this.$store.state.todos },
  },
  methods: {
    getTodoById(id) {
    	return this.$store.getters.getTodoById(Number.parseInt(id, 10))
    }
  }
})