From a1e0807f735a7c8097c588f401efdb9aac08dfc7 Mon Sep 17 00:00:00 2001
From: Francisco Chicharro Sanz <chicharr@adobe.com>
Date: Wed, 6 Mar 2024 17:17:02 +0100
Subject: [PATCH] fix: add json type header to beacon

---
 src/index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 4cf3bef..6a88016 100644
--- a/src/index.js
+++ b/src/index.js
@@ -82,7 +82,8 @@ function trackCheckpoint(checkpoint, data, t) {
       // eslint-disable-next-line object-curly-newline, max-len
       const body = JSON.stringify({ weight, id, sanitizeURL: urlSanitizers[window.hlx.RUM_MASK_URL || 'path'], checkpoint, t, ...data }, KNOWN_PROPERTIES);
       const url = new URL(`.rum/${weight}`, sampleRUM.collectBaseURL || sampleRUM.baseURL).href;
-      navigator.sendBeacon(url, body);
+      const headers = { type: 'application/json' };
+      navigator.sendBeacon(url, new Blob([body], headers));
       // eslint-disable-next-line no-console
       console.debug(`ping:${checkpoint}`, pdata);
     };