fix: Add fast-deep-equal as a dependency

frappe/public/js/frappe/misc/utils.js

@@ -1,6 +1,7 @@
 // Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 // MIT License. See license.txt
 
+import deep_equal from "fast-deep-equal";
 frappe.provide('frappe.utils');
 
 Object.assign(frappe.utils, {
@@ -685,65 +686,8 @@ Object.assign(frappe.utils, {
 	},
 
 	deep_equal(a, b) {
-		// https://github.com/epoberezkin/fast-deep-equal/blob/master/index.js
-		/* eslint-disable */
-		var isArray = Array.isArray;
-		var keyList = Object.keys;
-		var hasProp = Object.prototype.hasOwnProperty;
-
-		function equal(a, b) {
-			if (a === b) return true;
-
-			if (a && b && typeof a == 'object' && typeof b == 'object') {
-				var arrA = isArray(a)
-				, arrB = isArray(b)
-				, i
-				, length
-				, key;
-
-				if (arrA && arrB) {
-					length = a.length;
-					if (length != b.length) return false;
-					for (i = length; i-- !== 0;)
-						if (!equal(a[i], b[i])) return false;
-					return true;
-				}
-
-				if (arrA != arrB) return false;
-
-				var dateA = a instanceof Date
-				, dateB = b instanceof Date;
-				if (dateA != dateB) return false;
-				if (dateA && dateB) return a.getTime() == b.getTime();
-
-				var regexpA = a instanceof RegExp
-				, regexpB = b instanceof RegExp;
-				if (regexpA != regexpB) return false;
-				if (regexpA && regexpB) return a.toString() == b.toString();
-
-				var keys = keyList(a);
-				length = keys.length;
-
-				if (length !== keyList(b).length)
-					return false;
-
-				for (i = length; i-- !== 0;)
-					if (!hasProp.call(b, keys[i])) return false;
-
-				for (i = length; i-- !== 0;) {
-					key = keys[i];
-					if (!equal(a[key], b[key])) return false;
-				}
-
-				return true;
-			}
-
-			return a!==a && b!==b;
-		};
-
-		return equal(a, b)
-		/* eslint-enable */
-  },
+		return deep_equal(a, b);
+	},
 
 	get_points(points) {
 		return `<span class='bold' style="color: ${points >= 0 ? '#45A163': '#e42121'}">

package.json

@@ -23,6 +23,7 @@
     "bootstrap": "^4.3.1",
     "cookie": "^0.3.1",
     "express": "^4.16.2",
+    "fast-deep-equal": "^2.0.1",
     "frappe-datatable": "^1.10.0",
     "frappe-gantt": "^0.1.0",
     "fuse.js": "^3.2.0",