48 lines
1.0 KiB
JavaScript
48 lines
1.0 KiB
JavaScript
// @flow
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/* global ga */
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import * as React from "react";
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import env from "env";
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type Props = {
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children?: React.Node,
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};
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export default class Analytics extends React.Component<Props> {
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componentDidMount() {
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if (!env.GOOGLE_ANALYTICS_ID) {
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return null;
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}
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// standard Google Analytics script
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window.ga =
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window.ga ||
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function () {
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// $FlowIssue
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(ga.q = ga.q || []).push(arguments);
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};
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// $FlowIssue
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ga.l = +new Date();
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ga("create", env.GOOGLE_ANALYTICS_ID, "auto");
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ga("set", { dimension1: "true" });
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ga("send", "pageview");
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const script = document.createElement("script");
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script.src = "https://www.google-analytics.com/analytics.js";
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script.async = true;
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// Track PWA install event
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window.addEventListener("appinstalled", () => {
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ga("send", "event", "pwa", "install");
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});
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if (document.body) {
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document.body.appendChild(script);
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}
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}
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render() {
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return this.props.children || null;
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}
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}
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