components/GoogleAnalytics.js
// @flow
import * as React from 'react';
export default () => (
<React.Fragment>
<script async src="https://www.googletagmanager.com/gtag/js?id=CI_ENV_GA_ID" />
<script
dangerouslySetInnerHTML={{
// Imma leave Google Analytics here for now
__html: `
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'CI_ENV_GA_ID');
`,
}}
/>
</React.Fragment>
);