Inital platform relayering (#6385)

* moving test files and inital refactoring

* relayer extension host code

* fix imports

* make insights work

* relayer dashboard

* relayer notebooks

* moveing more code around

* formatting

* accept angular as browser

* fix serializer

* add missing files

* remove declarations from extensions

* fix build errors

* more relayering

* change urls to relative to help code relayering

* remove layering to prep for merge

* fix hygiene errors

* fix hygiene errors

* fix tests

src/sql/base/browser/urlSerializer.ts

@@ -0,0 +1,27 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { DefaultUrlSerializer, UrlSerializer, UrlTree } from '@angular/router';
+
+/**
+ * Angular router uses parentheses for custom behavior, however for file system,
+ * they are valid in paths. Therefore before and after angular handles url's, we
+ * encode and decode the parentheses. Github issue angular/angular#10280, microsoft/carbon#1116
+ */
+export default class CustomUrlSerializer implements UrlSerializer {
+	private _defaultUrlSerializer: DefaultUrlSerializer = new DefaultUrlSerializer();
+
+	parse(url: string): UrlTree {
+		// Encode parentheses
+		url = url.replace(/\(/g, '%28').replace(/\)/g, '%29');
+		// Use the default serializer from here on
+		return this._defaultUrlSerializer.parse(url);
+	}
+
+	serialize(tree: UrlTree): string {
+		// serialize parentheses after angular router
+		return this._defaultUrlSerializer.serialize(tree).replace(/%28/g, '(').replace(/%29/g, ')');
+	}
+}