[PLT-1444] Created latinise function and updated cleanUpUrlable function to utilize (#6273)

webapp/tests/utils/latinise.test.jsx

@@ -0,0 +1,23 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import {latinise} from 'utils/latinise.jsx';
+
+describe('Latinise', () => {
+    describe('handleNames', () => {
+        test('should return ascii version of Dév Spé', () => {
+            expect(latinise('Dév Spé')).
+                toEqual('Dev Spe');
+        });
+
+        test('should not replace any characters', () => {
+            expect(latinise('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890')).
+                toEqual('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890');
+        });
+
+        test('should replace characters with diacritics with ascii equivalents', () => {
+            expect(latinise('àáâãäåæçèéêëìíîïñòóôõöœùúûüýÿ')).
+                toEqual('aaaaaaaeceeeeiiiinooooooeuuuuyy');
+        });
+    });
+});