From e9b716521d943c9263353883a3db33cb4c48f486 Mon Sep 17 00:00:00 2001
From: SquidSpirit <squid@squidspirit.com>
Date: Mon, 4 Aug 2025 07:22:48 +0800
Subject: [PATCH] BLOG-112 refactor: simplify Google Analytics script
 initialization and remove gtag declaration from Window interface

---
 frontend/src/app.d.ts                                |  1 -
 .../lib/common/framework/ui/GoogleAnalytics.svelte   | 12 ++++++------
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/frontend/src/app.d.ts b/frontend/src/app.d.ts
index 05109e2..a20b327 100644
--- a/frontend/src/app.d.ts
+++ b/frontend/src/app.d.ts
@@ -18,7 +18,6 @@ declare global {
 
 	interface Window {
 		dataLayer: unknown[];
-		gtag: (command: 'config' | 'set' | 'js' | 'event', ...args: unknown[]) => void;
 	}
 }
 
diff --git a/frontend/src/lib/common/framework/ui/GoogleAnalytics.svelte b/frontend/src/lib/common/framework/ui/GoogleAnalytics.svelte
index 9556629..eca33c8 100644
--- a/frontend/src/lib/common/framework/ui/GoogleAnalytics.svelte
+++ b/frontend/src/lib/common/framework/ui/GoogleAnalytics.svelte
@@ -1,4 +1,4 @@
-<script lang="ts">
+<script>
 	import { Environment } from '$lib/environment';
 	import { onMount } from 'svelte';
 
@@ -19,10 +19,10 @@
 		document.head.appendChild(gaScript);
 
 		window.dataLayer = window.dataLayer || [];
-		window.gtag = (command: 'config' | 'set' | 'js' | 'event', ...args: unknown[]) => {
-			window.dataLayer.push(command, ...args);
-		};
-		window.gtag('js', new Date());
-		window.gtag('config', gaMeasurementId);
+		function gtag() {
+			window.dataLayer.push(arguments);
+		}
+		gtag('js', new Date());
+		gtag('config', gaMeasurementId);
 	});
 </script>