From 4245fa31716b77497b380529cad7bc5e5f914718 Mon Sep 17 00:00:00 2001
From: thelovekesh <lovekesh.kumar@rtcamp.com>
Date: Tue, 15 Feb 2022 12:40:05 +0530
Subject: [PATCH] Add counter to delay reloading in each retry

---
 wp-includes/template.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/wp-includes/template.php b/wp-includes/template.php
index a0c9c2a1e..22bf4ee63 100644
--- a/wp-includes/template.php
+++ b/wp-includes/template.php
@@ -182,7 +182,7 @@ function wp_service_worker_offline_page_reload() {
 		return;
 	}
 	?>
-	<script>
+	<script type="module">
 		/**
 		 * Listen to changes in the network state, reload when online.
 		 * This handles the case when the device is completely offline.
@@ -191,6 +191,9 @@ function wp_service_worker_offline_page_reload() {
 			window.location.reload();
 		});
 
+		// Create a counter to implement exponential backoff.
+		let count = 0;
+
 		/**
 		 * Check if the server is responding and reload the page if it is.
 		 * This handles the case when the device is online, but the server is offline or misbehaving.
@@ -206,7 +209,7 @@ function wp_service_worker_offline_page_reload() {
 			} catch {
 				console.log('User is offline');
 			}
-			window.setTimeout(checkNetworkAndReload, 2500);
+			window.setTimeout(checkNetworkAndReload, Math.pow(2, count++) * 2500);
 		}
 		checkNetworkAndReload();
 	</script>