title: ReferenceError: google is not defined VUE
body: <p>i'm using <strong>vue2-google-map</strong> components in <strong>Vue</strong> and they are workng fine.
  But if i try create google object in data return or computed like  </p>
  
  <pre><code> new google.maps.Point(20,40)
  </code></pre>
  
  <p>have the error</p>
  
  <blockquote>
    <p>ReferenceError: google is not defined<br/>
     at VueComponent.data (app.js:sourcemap:69896)<br/>
     at getData (app.js:sourcemap:6550)<br/>
     at initData (app.js:sourcemap:6509)<br/>
     at initState (app.js:sourcemap:6440)<br/>
     at VueComponent.Vue._init (app.js:sourcemap:7611)<br/>
     at new VueComponent (app.js:sourcemap:7783)<br/>
     at createComponentInstanceForVnode (app.js:sourcemap:7060)<br/>
     at init (app.js:sourcemap:6877)<br/>
     at createComponent (app.js:sourcemap:8532)<br/>
     at createElm (app.js:sourcemap:8475)<br/></p>
  </blockquote>