title: How to use c3 in vue js?
body: <p>I have been try from c3 site, but it does not work, this is my code</p>
  
  <p>in template</p>
  
  <pre><code>&lt;vue-c3 :handler="handler"&gt;&lt;/vue-c3&gt;
  </code></pre>
  
  <p>then in script</p>
  
  <pre><code>&lt;script&gt;
  import VueC3 from 'vue-c3'
  
  export default {
    name: 'Dashboard',
    props: ['handler'],
    components:{ VueC3 },
    data() { 
      return {
  
      }
    },
    methods: {
      initChart(){
        const options = {
          data: {
            columns: [
              ['data1', 2, 4, 1, 5, 2, 1],
              ['data2', 7, 2, 4, 6, 10, 1]
            ],
          },
        }
        this.handler.$emit('init', options)
      }
    },
    mounted() {
      this.initChart();
    }
  };
  &lt;/script&gt;
  </code></pre>
  
  <p>chart not rendered, what is wrong?</p>