Remove url npm dependency and use Web URL constructor (#10930)

test/utils/UrlUtils-test.ts

@@ -0,0 +1,51 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { abbreviateUrl, parseUrl, unabbreviateUrl } from "../../src/utils/UrlUtils";
+
+describe("abbreviateUrl", () => {
+    it("should return empty string if passed falsey", () => {
+        expect(abbreviateUrl(undefined)).toEqual("");
+    });
+
+    it("should abbreviate to host if empty pathname", () => {
+        expect(abbreviateUrl("https://foo/")).toEqual("foo");
+    });
+
+    it("should not abbreviate if has path parts", () => {
+        expect(abbreviateUrl("https://foo/path/parts")).toEqual("https://foo/path/parts");
+    });
+});
+
+describe("unabbreviateUrl", () => {
+    it("should return empty string if passed falsey", () => {
+        expect(unabbreviateUrl(undefined)).toEqual("");
+    });
+
+    it("should prepend https to input if it lacks it", () => {
+        expect(unabbreviateUrl("element.io")).toEqual("https://element.io");
+    });
+
+    it("should not prepend https to input if it has it", () => {
+        expect(unabbreviateUrl("https://element.io")).toEqual("https://element.io");
+    });
+});
+
+describe("parseUrl", () => {
+    it("should not throw on no proto", () => {
+        expect(() => parseUrl("test")).not.toThrow();
+    });
+});