replace mutation observer with dom#asDomUri, #75061

src/vs/base/browser/dom.ts

@@ -14,6 +14,8 @@ import { Emitter, Event } from 'vs/base/common/event';
 import { Disposable, IDisposable, toDisposable } from 'vs/base/common/lifecycle';
 import * as platform from 'vs/base/common/platform';
 import { coalesce } from 'vs/base/common/arrays';
+import { URI } from 'vs/base/common/uri';
+import { Schemas } from 'vs/base/common/network';
 
 export function clearNode(node: HTMLElement): void {
 	while (node.firstChild) {
@@ -1181,3 +1183,23 @@ export function animate(fn: () => void): IDisposable {
 	let stepDisposable = scheduleAtNextAnimationFrame(step);
 	return toDisposable(() => stepDisposable.dispose());
 }
+
+
+
+const _location = URI.parse(window.location.href);
+
+export function asDomUri(uri: URI): URI {
+	if (!uri) {
+		return uri;
+	}
+	if (!platform.isWeb) {
+		//todo@joh remove this once we have sw in electron going
+		return uri;
+	}
+	if (Schemas.vscodeRemote === uri.scheme) {
+		// rewrite vscode-remote-uris to uris of the window location
+		// so that they can be intercepted by the service worker
+		return _location.with({ path: '/vscode-resources/fetch', query: uri.toString() });
+	}
+	return uri;
+}