FeatureGrid.vue

<template>
  <div class="feature-grid">
    <div class="container">
      <div class="row">
        <div class="col-md-6 col-sm-12 col-12" >
          <feature-block :feature="feature" v-on:add-cents="onAddCent($event, feature)"></feature-block>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import sampleFeatureBlock from '@/components/Single/SampleFeatureBlock'
  import featureBlock from '@/components/Single/FeatureBlock'
  export default {
    name: 'featureGrid',
    components: {
      sampleFeatureBlock,
      featureBlock
    },
    data : function() {
      return {
        feature: {
          cents: 0,
          content: 'Allow designer to export assets',
          contributor: '@_wlfp',
          emailUrl: 'mailto:ciao@sylin.me'
        }
      }
    },
    methods: {
      onAddCent: function (event, item){
         item.cents += event
      }
    }
  }
</script>