From 7ec87553ccf64868ce8661a3ed9e2b318426bd75 Mon Sep 17 00:00:00 2001
From: Viet-Tien Ngoc <tiena2cva@gmail.com>
Date: Tue, 1 Oct 2024 10:01:06 +0200
Subject: [PATCH] try to save referrer to local storage

---
 src/tracker/index.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/tracker/index.js b/src/tracker/index.js
index 707594cf4..d1fcd9879 100644
--- a/src/tracker/index.js
+++ b/src/tracker/index.js
@@ -264,6 +264,18 @@
   let cache;
   let initialized;
 
+  // Save referrer
+  if (currentRef && localStorage) {
+    try {
+      const { hostname: refHostname } = new URL(currentRef);
+      if (refHostname !== hostname) {
+        localStorage.setItem('umami.referrer', currentRef);
+      }
+    } catch (e) {
+      /* empty */
+    }
+  }
+
   if (autoTrack && !trackingDisabled()) {
     if (document.readyState === 'complete') {
       init();