From 31ef788e02339452fa6241277e17f85067c33ba0 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Sun, 9 Apr 2023 10:29:42 +0300
Subject: [PATCH] add window.requestIdleCallback polyfill for safari

---
 js/common.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/js/common.js b/js/common.js
index b972f2376..9635ab492 100755
--- a/js/common.js
+++ b/js/common.js
@@ -29,6 +29,25 @@ function $$(query) {
 	return document.querySelectorAll(query);
 }
 
+// polyfill for safari https://raw.githubusercontent.com/pladaria/requestidlecallback-polyfill/master/index.js
+window.requestIdleCallback =
+	window.requestIdleCallback ||
+		function (callback) {
+			const start = Date.now();
+			return setTimeout(() => {
+				callback({
+					didTimeout: false,
+					timeRemaining: () => Math.max(0, 50 - (Date.now() - start))
+					},
+				);
+			}, 1);
+		};
+
+window.cancelIdleCallback =
+	window.cancelIdleCallback ||
+		function (id) {
+			clearTimeout(id);
+		};
 
 Element.prototype.hasClassName = function(className) {
 	return this.classList.contains(className);