From 970e9d7d7d1738a1b921f8fe17a8b93c8df6a242 Mon Sep 17 00:00:00 2001
From: djmaze <djmaze@djmaze.lan>
Date: Thu, 17 Sep 2020 23:48:18 +0200
Subject: [PATCH] Bugfix: knockout-sortable was broken due to a knockoutjs
 change of me

---
 .../knockout/src/binding/defaultBindings/css.js | 17 +++--------------
 vendors/knockout/src/utils.js                   | 14 ++++++++++++++
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/vendors/knockout/src/binding/defaultBindings/css.js b/vendors/knockout/src/binding/defaultBindings/css.js
index 6ca392a86..83cd5ecaf 100644
--- a/vendors/knockout/src/binding/defaultBindings/css.js
+++ b/vendors/knockout/src/binding/defaultBindings/css.js
@@ -1,22 +1,11 @@
 var classesWrittenByBindingKey = '__ko__cssValue';
 
-// For details on the pattern for changing node classes
-// see: https://github.com/knockout/knockout/issues/1597
-function toggleDomNodeCssClass(node, classNames, shouldHaveClass) {
-    if (classNames) {
-        var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
-        classNames.split(/\s+/).forEach(function(className) {
-            node.classList[addOrRemoveFn](className);
-        });
-    }
-}
-
 ko.bindingHandlers['class'] = {
     'update': function (element, valueAccessor) {
         var value = ko.utils.stringTrim(ko.utils.unwrapObservable(valueAccessor()));
-        toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
+        ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
         element[classesWrittenByBindingKey] = value;
-        toggleDomNodeCssClass(element, value, true);
+        ko.utils.toggleDomNodeCssClass(element, value, true);
     }
 };
 
@@ -26,7 +15,7 @@ ko.bindingHandlers['css'] = {
         if (value !== null && typeof value == "object") {
             ko.utils.objectForEach(value, function(className, shouldHaveClass) {
                 shouldHaveClass = ko.utils.unwrapObservable(shouldHaveClass);
-                toggleDomNodeCssClass(element, className, shouldHaveClass);
+                ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
             });
         } else {
             ko.bindingHandlers['class']['update'](element, valueAccessor);
diff --git a/vendors/knockout/src/utils.js b/vendors/knockout/src/utils.js
index 247636fe5..7b28ed22c 100644
--- a/vendors/knockout/src/utils.js
+++ b/vendors/knockout/src/utils.js
@@ -26,6 +26,17 @@ ko.utils = (function () {
 
     var canSetPrototype = ({ __proto__: [] } instanceof Array);
 
+    // For details on the pattern for changing node classes
+    // see: https://github.com/knockout/knockout/issues/1597
+    function toggleDomNodeCssClass(node, classNames, shouldHaveClass) {
+        if (classNames) {
+            var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
+            classNames.split(/\s+/).forEach(function(className) {
+                node.classList[addOrRemoveFn](className);
+            });
+        }
+    }
+
     return {
         arrayForEach: function (array, action, actionOwner) {
             arrayCall('forEach', array, action, actionOwner);
@@ -256,6 +267,8 @@ ko.utils = (function () {
             return ko.isObservable(value) ? value.peek() : value;
         },
 
+        toggleDomNodeCssClass: toggleDomNodeCssClass,
+
         setTextContent: function(element, textContent) {
             var value = ko.utils.unwrapObservable(textContent);
             if ((value === null) || (value === undefined))
@@ -291,6 +304,7 @@ ko.exportSymbol('utils.objectMap', ko.utils.objectMap);
 ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
 ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
 ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
+ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
 ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
 ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
 ko.exportSymbol('utils.objectForEach', ko.utils.objectForEach);