From 255639b33a9b46b60b00eb318f87b08bebdab71f Mon Sep 17 00:00:00 2001
From: Oliver Haas <ohaas@e1plus.de>
Date: Tue, 28 Jan 2025 13:00:34 +0100
Subject: [PATCH] feat: handle 'unset'for HX-Reselect in swap function (+ test)

---
 src/htmx.js          |  2 +-
 test/core/headers.js | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/htmx.js b/src/htmx.js
index 424da472c..ee76fade8 100644
--- a/src/htmx.js
+++ b/src/htmx.js
@@ -4854,7 +4854,7 @@ var htmx = (function() {
           }
 
           swap(target, serverResponse, swapSpec, {
-            select: selectOverride || select,
+            select: selectOverride === 'unset' ? null : selectOverride || select,
             selectOOB,
             eventInfo: responseInfo,
             anchor: responseInfo.pathInfo.anchor,
diff --git a/test/core/headers.js b/test/core/headers.js
index 2cf214230..5c56ea6e5 100644
--- a/test/core/headers.js
+++ b/test/core/headers.js
@@ -286,6 +286,16 @@ describe('Core htmx AJAX headers', function() {
     div.innerHTML.should.equal('<div id="d2">bar</div>')
   })
 
+  it('should handle HX-Reselect unset', function() {
+    this.server.respondWith('GET', '/test', [200, { 'HX-Reselect': 'unset' }, 'bar'])
+
+    var div = make('<div hx-get="/test" hx-select="#d2"></div>')
+    div.click()
+    this.server.respond()
+
+    div.innerHTML.should.equal('bar')
+  })
+
   it('should handle simple string HX-Trigger-After-Swap response header properly w/ outerHTML swap', function() {
     this.server.respondWith('GET', '/test', [200, { 'HX-Trigger-After-Swap': 'foo' }, ''])