title: Import .vue file
body: <p>I have main.js and app.vue file</p>
  
  <p>main js file inner look like this </p>
  
  <pre><code>var a = 1;
  import App from './App.vue'
  new Vue({
    el: '#app',
    render: h =&gt; h(App)
  })
  </code></pre>
  
  <p>in App.vue file i want to console.log(a)
  return error a is not defined why ? What is wrong ? </p>