fix cloneObject() function to respect RegExp (#3240)

fixes #3237

CHANGELOG.md

@@ -21,6 +21,7 @@ _This release is scheduled to be released on 2024-01-01._
 
 - Fix the option eventClass on customEvents.
 - Fix yr API version in locationforecast call (#3227)
+- Fix cloneObject() function to respect RegExp (#3237)
 
 ## [2.25.0] - 2023-10-01
 

js/class.js

@@ -90,6 +90,10 @@ function cloneObject(obj) {
 		return obj;
 	}
 
+	if (obj.constructor.name === "RegExp") {
+		return new RegExp(obj);
+	}
+
 	const temp = obj.constructor(); // give temp the original obj's constructor
 	for (const key in obj) {
 		temp[key] = cloneObject(obj[key]);

tests/unit/classes/class_spec.js

@@ -49,6 +49,13 @@ describe("File js/class", () => {
 			expect(obj).toBe(expected);
 		});
 
+		it("should clone regex", () => {
+			const expected = /.*Magic/;
+			const obj = clone(expected);
+			expect(obj).toEqual(expected);
+			expect(expected === obj).toBe(false);
+		});
+
 		it("should clone undefined", () => {
 			const expected = undefined;
 			const obj = clone(expected);