outline/app/index.js

// @flow
import "mobx-react-lite/batchingForReactDom";
import "focus-visible";
import { Provider } from "mobx-react";
import * as React from "react";
import { render } from "react-dom";
import { BrowserRouter as Router } from "react-router-dom";

import { initI18n } from "shared/i18n";
import stores from "stores";
import ErrorBoundary from "components/ErrorBoundary";
import ScrollToTop from "components/ScrollToTop";
import Theme from "components/Theme";
import Toasts from "components/Toasts";
import Routes from "./routes";
import env from "env";

initI18n();

const element = document.getElementById("root");

if (element) {
  render(
    <ErrorBoundary>
      <Provider {...stores}>
        <Theme>
          <Router>
            <>
              <ScrollToTop>
                <Routes />
              </ScrollToTop>
              <Toasts />
            </>
          </Router>
        </Theme>
      </Provider>
    </ErrorBoundary>,
    element
  );
}

window.addEventListener("load", async () => {
  // installation does not use Google Analytics, or tracking is blocked on client
  // no point loading the rest of the analytics bundles
  if (!env.GOOGLE_ANALYTICS_ID || !window.ga) return;

  // https://github.com/googleanalytics/autotrack/issues/137#issuecomment-305890099
  await import("autotrack/autotrack.js");

  window.ga("require", "outboundLinkTracker");
  window.ga("require", "urlChangeTracker");
  window.ga("require", "eventTracker", {
    attributePrefix: "data-",
  });
});