From 9052a4d520b7bd77c953381182e2837d126cef00 Mon Sep 17 00:00:00 2001
From: Mark Croxton <mcroxton@hallmark-design.co.uk>
Date: Thu, 14 Dec 2023 19:12:34 +0000
Subject: [PATCH] Prevent references to nodes swapped out of the dom
 accumulating as detached elements in memory (#2091)

* Prevent references to elements swapped out of the dom accumulating as detached nodes (memory leak).

* Safely delete internal data when we tear down a node
---
 src/htmx.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/htmx.js b/src/htmx.js
index 60c463e2..668148ec 100644
--- a/src/htmx.js
+++ b/src/htmx.js
@@ -961,10 +961,8 @@ return (function () {
                     }
                 });
             }
-            if (internalData.initHash) {
-                internalData.initHash = null
-            }
             deInitOnHandlers(element);
+            forEach(Object.keys(internalData), function(key) { delete internalData[key] });
         }
 
         function cleanUpElement(element) {
@@ -988,7 +986,6 @@ return (function () {
                 } else {
                     newElt = eltBeforeNewContent.nextSibling;
                 }
-                getInternalData(target).replacedWith = newElt; // tuck away so we can fire events on it later
                 settleInfo.elts = settleInfo.elts.filter(function(e) { return e != target });
                 while(newElt && newElt !== target) {
                     if (newElt.nodeType === Node.ELEMENT_NODE) {