From 5508952fa4a7aa7b945cf8780fd5cf397ba9182a Mon Sep 17 00:00:00 2001
From: b4rtaz <b4rtaz@gmail.com>
Date: Fri, 20 Oct 2023 23:47:31 +0200
Subject: [PATCH] ga.

---
 .github/workflows/examples.yml |  3 +++
 scripts/append-ga.cjs          | 43 ++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 scripts/append-ga.cjs

diff --git a/.github/workflows/examples.yml b/.github/workflows/examples.yml
index c121249..b0d24ca 100644
--- a/.github/workflows/examples.yml
+++ b/.github/workflows/examples.yml
@@ -34,6 +34,9 @@ jobs:
         run: pnpm install
       - name: Build
         run: pnpm build
+      - name: Append Analytics
+        run: |
+            node scripts/append-ga.cjs demos/webpack-app/public
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
         with:
diff --git a/scripts/append-ga.cjs b/scripts/append-ga.cjs
new file mode 100644
index 0000000..51709c4
--- /dev/null
+++ b/scripts/append-ga.cjs
@@ -0,0 +1,43 @@
+const fs = require('fs');
+const path = require('path');
+
+const SCRIPT =
+`<script async src="https://www.googletagmanager.com/gtag/js?id=G-CDBK7LBGM8"></script>
+<script>
+	window.dataLayer = window.dataLayer || [];
+	function gtag() {
+		dataLayer.push(arguments);
+	}
+	gtag('js', new Date());
+	gtag('config', 'G-CDBK7LBGM8');
+</script>`;
+
+function appendGa(path) {
+	let html = fs.readFileSync(path, 'utf8');
+	if (html.includes(SCRIPT)) {
+		console.log(`👌 ${path} already has tracking`);
+		return;
+	}
+	const pos = html.lastIndexOf('</body>');
+	if (pos < 0) {
+		throw new Error('Could not find </body> tag');
+	}
+	html = html.substring(0, pos) + SCRIPT + html.substring(pos);
+	fs.writeFileSync(path, html, 'utf8');
+	console.log(`✅ ${path} updated`);
+}
+
+const directory = process.argv[2];
+if (!directory) {
+	throw new Error('Please specify a directory');
+}
+
+const dirPath = path.join(__dirname, '..', directory);
+fs.readdir(dirPath, (_, files) => {
+	files.forEach(file => {
+		if (file.endsWith('.html')) {
+			const filePath = path.join(dirPath, file);
+			appendGa(filePath);
+		}
+	});
+});