From 9b372e310cf7c45934191212059925f327f17c9f Mon Sep 17 00:00:00 2001
From: Steve Taylor <sctaylor@stanford.edu>
Date: Fri, 19 Jul 2024 09:57:00 -0700
Subject: [PATCH] Add support for jQuery 3

$(document).on("ready", handler) was deprecated in jQuery 1.8 and
removed in 3
---
 app/assets/javascripts/openseadragon/rails.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/openseadragon/rails.js b/app/assets/javascripts/openseadragon/rails.js
index 0425436..090a5b7 100644
--- a/app/assets/javascripts/openseadragon/rails.js
+++ b/app/assets/javascripts/openseadragon/rails.js
@@ -5,7 +5,7 @@
     $('picture[data-openseadragon]').openseadragon();
   }
 
-  var handler = 'ready';
+  let handler = 'ready';
   if (typeof Turbolinks !== 'undefined' && Turbolinks.supported) {
     // Turbolinks 5
     if (Turbolinks.BrowserAdapter) {
@@ -15,5 +15,11 @@
       handler = 'page:load ready';
     }
   }
-  $(document).on(handler, initOpenSeadragon);
+
+  // $(document).on( "ready", handler ) was removed in jQuery 3
+  if (handler !== 'ready' || parseInt($.fn.jquery.split('.')[0]) < 3) {
+    $(document).on(handler, initOpenSeadragon);
+  } else {
+    $(initOpenSeadragon);
+  }
 })(jQuery);