Added StringHelpers, UniqIdGenerators and UrlParser test

UniqIdGenerators skips window.crypt test

URL tests need to be more in detail

tests/StringHelpers.test.js

@@ -0,0 +1,60 @@
+import { describe, it, expect } from "vitest";
+
+import {
+	formatString,
+	numberWithCommas,
+	convertLBtoBR
+} from '../src/utils/StringHelpers.mjs';
+
+describe("formatString", () => {
+	it('Should replace {n} entries in strings', () => {
+		expect(
+			formatString("{0} is cool, {1} is not", "Alpha", "Beta")
+		).toBe("Alpha is cool, Beta is not");
+		expect(
+			formatString("{0} is cool, {1} is not", "Alpha")
+		).toBe("Alpha is cool, {1} is not");
+	});
+});
+
+describe("numberWithCommas", () => {
+	it('Should format a number into a decimal formatted', () => {
+		let numbers_list = [
+			{
+				"in": 123,
+				"out": "123",
+			},
+			{
+				"in": 1234,
+				"out": "1,234"
+			},
+			{
+				"in": 12345,
+				"out": "12,345"
+			},
+			{
+				"in": 123456,
+				"out": "123,456"
+			},
+			{
+				"in": 1234567,
+				"out": "1,234,567"
+			},
+			{
+				"in": 1234567890,
+				"out": "1,234,567,890"
+			},
+		];
+		for (let number of numbers_list) {
+			expect(numberWithCommas(number.in)).toBe(number.out);
+		}
+	});
+});
+
+describe("convertLBtoBR", () => {
+	it('Should convert LF/CR to <br>', () => {
+		expect(convertLBtoBR("AB\nCD")).toBe("AB<br>CD");
+	});
+});
+
+// __END__