gatsby-browser.js

/**
 * Implement Gatsby's Browser APIs in this file.
 *
 * See: https://www.gatsbyjs.org/docs/browser-apis/
 */

// You can delete this file if you're not using it
//exports.onRouteUpdate = () => {
//  window.analytics && window.analytics.identify();
//  window.analytics && window.analytics.page();
//};