From f50a6d583182090781046d20e4821561f6d6d9bc 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 | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/openseadragon/rails.js b/app/assets/javascripts/openseadragon/rails.js
index 0425436..ddfb8f5 100644
--- a/app/assets/javascripts/openseadragon/rails.js
+++ b/app/assets/javascripts/openseadragon/rails.js
@@ -5,7 +5,8 @@
     $('picture[data-openseadragon]').openseadragon();
   }
 
-  var handler = 'ready';
+  const jquery3 = parseInt($.fn.jquery.split('.')[0]) >= 3;
+  let handler = 'ready';
   if (typeof Turbolinks !== 'undefined' && Turbolinks.supported) {
     // Turbolinks 5
     if (Turbolinks.BrowserAdapter) {
@@ -15,5 +16,14 @@
       handler = 'page:load ready';
     }
   }
-  $(document).on(handler, initOpenSeadragon);
+
+  // Support for $(document).on( "ready", handler ) was removed in jQuery 3
+  if (jquery3 && handler.includes('ready')) {
+    handler = handler.replace('ready', '').trim();
+    $(initOpenSeadragon);
+  }
+
+  if (handler) {
+    $(document).on(handler, initOpenSeadragon);
+  }
 })(jQuery);