Remove 'url' imports

The URL global works fine in both Node and the browser. Webpack v5 will
no longer provide a polyfill for 'url' in the browser.

Author: mwiencek

root/components/LinkSearchableProperty.js

@@ -7,8 +7,6 @@
  * later version: http://www.gnu.org/licenses/gpl-2.0.txt
  */
 
-import {URL} from 'url';
-
 import * as React from 'react';
 
 import {CatalystContext} from '../context';

root/layout/components/ExternalLinks.js

@@ -7,8 +7,6 @@
  * later version: http://www.gnu.org/licenses/gpl-2.0.txt
  */
 
-import URL from 'url';
-
 import * as React from 'react';
 
 import EntityLink from '../../static/scripts/common/components/EntityLink';
@@ -20,7 +18,7 @@ import isDisabledLink from '../../utility/isDisabledLink';
 
 function faviconClass(urlEntity) {
   let matchingClass;
-  const urlObject = URL.parse(urlEntity.name, false, true);
+  const urlObject = new URL(urlEntity.name);
 
   for (const key in FAVICON_CLASSES) {
     if ((key.indexOf('/') >= 0 && urlEntity.name.indexOf(key) >= 0) ||

root/layout/components/sidebar/ReleaseSidebar.js

@@ -7,8 +7,6 @@
  * later version: http://www.gnu.org/licenses/gpl-2.0.txt
  */
 
-import {URL} from 'url';
-
 import * as React from 'react';
 import * as ReactDOMServer from 'react-dom/server';
 

root/utility/uriWith.js

@@ -7,16 +7,18 @@
  * later version: http://www.gnu.org/licenses/gpl-2.0.txt
  */
 
-import url from 'url';
-
 export default function uriWith<T: {...}>(
   uriString: string,
   params: T,
 ): string {
-  const u = url.parse(uriString, true);
+  const urlObject = new URL(uriString);
+  const searchParams = new URLSearchParams(urlObject.search);
+
+  for (const key of Object.keys(params)) {
+    searchParams.set(key, params[key]);
+  }
 
-  u.query = Object.assign(u.query, params);
-  u.search = null;
+  urlObject.search = searchParams.toString();
 
-  return url.format(u);
+  return urlObject.href;
 }