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feat: add GA4
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@jeffsieu
jeffsieu committed Jul 3, 2024
1 parent 79f8dea commit 3ba826d
Showing 1 changed file with 78 additions and 61 deletions.
139 changes: 78 additions & 61 deletions web/index.html
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<!DOCTYPE html>
<html>
<head>
<!--
<head>
<!--
If you are serving your web app in a path other than the root, change the
href value below to reflect the base path you are serving from.
Expand All @@ -14,55 +14,58 @@
This is a placeholder for base href that will be replaced by the value of
the `--base-href` argument provided to `flutter build`.
-->
<base href="$FLUTTER_BASE_HREF">
<base href="$FLUTTER_BASE_HREF" />

<meta charset="UTF-8">
<meta content="IE=Edge" http-equiv="X-UA-Compatible">
<meta name="description" content="Totally not a monkeytype clone but in Flutter.">
<meta charset="UTF-8" />
<meta content="IE=Edge" http-equiv="X-UA-Compatible" />
<meta
name="description"
content="Totally not a monkeytype clone but in Flutter."
/>

<!-- iOS meta tags & icons -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="apple-mobile-web-app-title" content="another_typing_test">
<link rel="apple-touch-icon" href="icons/Icon-192.png">
<!-- iOS meta tags & icons -->
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="apple-mobile-web-app-title" content="another_typing_test" />
<link rel="apple-touch-icon" href="icons/Icon-192.png" />

<!-- Favicon -->
<link rel="icon" type="image/png" href="favicon.png"/>
<!-- Favicon -->
<link rel="icon" type="image/png" href="favicon.png" />

<title>another_typing_test</title>
<link rel="manifest" href="manifest.json">
</head>
<body>
<!-- This script installs service_worker.js to provide PWA functionality to
<title>another_typing_test</title>
<link rel="manifest" href="manifest.json" />
</head>
<body>
<!-- This script installs service_worker.js to provide PWA functionality to
application. For more information, see:
https://developers.google.com/web/fundamentals/primers/service-workers -->
<script>
var serviceWorkerVersion = null;
var scriptLoaded = false;
function loadMainDartJs() {
if (scriptLoaded) {
return;
<script>
var serviceWorkerVersion = null;
var scriptLoaded = false;
function loadMainDartJs() {
if (scriptLoaded) {
return;
}
scriptLoaded = true;
var scriptTag = document.createElement("script");
scriptTag.src = "main.dart.js";
scriptTag.type = "application/javascript";
document.body.append(scriptTag);
}
scriptLoaded = true;
var scriptTag = document.createElement('script');
scriptTag.src = 'main.dart.js';
scriptTag.type = 'application/javascript';
document.body.append(scriptTag);
}

if ('serviceWorker' in navigator) {
// Service workers are supported. Use them.
window.addEventListener('load', function () {
// Wait for registration to finish before dropping the <script> tag.
// Otherwise, the browser will load the script multiple times,
// potentially different versions.
var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
navigator.serviceWorker.register(serviceWorkerUrl)
.then((reg) => {
if ("serviceWorker" in navigator) {
// Service workers are supported. Use them.
window.addEventListener("load", function () {
// Wait for registration to finish before dropping the <script> tag.
// Otherwise, the browser will load the script multiple times,
// potentially different versions.
var serviceWorkerUrl =
"flutter_service_worker.js?v=" + serviceWorkerVersion;
navigator.serviceWorker.register(serviceWorkerUrl).then((reg) => {
function waitForActivation(serviceWorker) {
serviceWorker.addEventListener('statechange', () => {
if (serviceWorker.state == 'activated') {
console.log('Installed new service worker.');
serviceWorker.addEventListener("statechange", () => {
if (serviceWorker.state == "activated") {
console.log("Installed new service worker.");
loadMainDartJs();
}
});
Expand All @@ -74,31 +77,45 @@
} else if (!reg.active.scriptURL.endsWith(serviceWorkerVersion)) {
// When the app updates the serviceWorkerVersion changes, so we
// need to ask the service worker to update.
console.log('New service worker available.');
console.log("New service worker available.");
reg.update();
waitForActivation(reg.installing);
} else {
// Existing service worker is still good.
console.log('Loading app from service worker.');
console.log("Loading app from service worker.");
loadMainDartJs();
}
});

// If service worker doesn't succeed in a reasonable amount of time,
// fallback to plaint <script> tag.
setTimeout(() => {
if (!scriptLoaded) {
console.warn(
'Failed to load app from service worker. Falling back to plain <script> tag.',
);
loadMainDartJs();
}
}, 4000);
});
} else {
// Service workers not supported. Just drop the <script> tag.
loadMainDartJs();
}
</script>
</body>
// If service worker doesn't succeed in a reasonable amount of time,
// fallback to plaint <script> tag.
setTimeout(() => {
if (!scriptLoaded) {
console.warn(
"Failed to load app from service worker. Falling back to plain <script> tag."
);
loadMainDartJs();
}
}, 4000);
});
} else {
// Service workers not supported. Just drop the <script> tag.
loadMainDartJs();
}
</script>
<!-- Google tag (gtag.js) -->
<script
async
src="https://www.googletagmanager.com/gtag/js?id=G-CDZHJQ001N"
></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());

gtag("config", "G-CDZHJQ001N");
</script>
</body>
</html>

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