From 07cdab39022c8efdb6617ba07c241b246968325e Mon Sep 17 00:00:00 2001
From: Suraj Shetty <surajshetty3416@gmail.com>
Date: Fri, 21 May 2021 17:01:28 +0530
Subject: [PATCH] fix: Add a command to properly extend class methods

---
 frappe/public/js/frappe/form/script_manager.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/frappe/public/js/frappe/form/script_manager.js b/frappe/public/js/frappe/form/script_manager.js
index 420cda5a82..7e65df65ed 100644
--- a/frappe/public/js/frappe/form/script_manager.js
+++ b/frappe/public/js/frappe/form/script_manager.js
@@ -3,6 +3,13 @@
 
 frappe.provide("frappe.ui.form.handlers");
 
+window.extend_cscript = (cscript, controller_object) => {
+	$.extend(cscript, controller_object);
+	if (controller_object.__proto__) {
+		cscript.__proto__ = controller_object.__proto__;
+	}
+};
+
 frappe.ui.form.get_event_handler_list = function(doctype, fieldname) {
 	if(!frappe.ui.form.handlers[doctype]) {
 		frappe.ui.form.handlers[doctype] = {};