From 47be0ed3bc9e594f584daa30bba09e349140e8f5 Mon Sep 17 00:00:00 2001
From: Nick Santaniello <nicksantan@giphy.com>
Date: Mon, 8 Apr 2024 13:33:29 -0700
Subject: [PATCH] Restored tracking pixel helper methods for js-util

---
 packages/util/src/index.ts          |  1 +
 packages/util/src/tracking-pixel.ts | 15 +++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 packages/util/src/tracking-pixel.ts

diff --git a/packages/util/src/index.ts b/packages/util/src/index.ts
index 7f02f3bf..b786ccfa 100644
--- a/packages/util/src/index.ts
+++ b/packages/util/src/index.ts
@@ -13,4 +13,5 @@ export {
 } from './gif-utils'
 export * from './log'
 export * from './sdk-headers'
+export { default as injectTrackingPixel } from './tracking-pixel'
 export { checkIfWebP } from './webp-check'
diff --git a/packages/util/src/tracking-pixel.ts b/packages/util/src/tracking-pixel.ts
new file mode 100644
index 00000000..b241fe12
--- /dev/null
+++ b/packages/util/src/tracking-pixel.ts
@@ -0,0 +1,15 @@
+import { sanitize } from 'dompurify'
+
+const injectTrackingPixel = (tags: string[] = []) => {
+    tags.forEach((tag) => {
+        const el = document.createElement('html')
+        tag = tag.replace('%%CACHEBUSTER%%', Date.now().toString())
+        el.innerHTML = sanitize(tag)
+        const pixel = el.querySelector('img')
+        if (pixel) {
+            document?.querySelector('head')?.appendChild(pixel)
+        }
+    })
+}
+
+export default injectTrackingPixel