From 21108650f78679cf50a1141bedd899fbd55fbf64 Mon Sep 17 00:00:00 2001
From: JeLuF <jf@mormo.org>
Date: Sat, 24 Dec 2022 00:58:52 +0100
Subject: [PATCH] add findClosestAncestor

Function to find the closest ancestor of an element that matches the selection criterion
---
 ui/media/js/utils.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ui/media/js/utils.js b/ui/media/js/utils.js
index 50f5f162..69801571 100644
--- a/ui/media/js/utils.js
+++ b/ui/media/js/utils.js
@@ -20,6 +20,19 @@ function getNextSibling(elem, selector) {
     }
 }
 
+function findClosestAncestor(element, selector) {
+  if (!element || !element.parentNode) {
+      // reached the top of the DOM tree, return null
+      return null;
+  } else if (element.parentNode.matches(selector)) {
+      // found an ancestor that matches the selector, return it
+      return element.parentNode;
+  } else {
+      // continue searching upwards
+      return findClosestAncestor(element.parentNode, selector);
+  }
+}
+
 
 /* Panel Stuff */