move demo code to examples/

examples/web/static/tests/helpers/mock_router.ts

@@ -0,0 +1,22 @@
+import { Callback } from "../../../../../src/event_bus";
+import { IRouter, Query, RouterEvent } from "../../src/ts/services/router";
+
+export class MockRouter implements IRouter {
+  currentQuery: Query;
+
+  constructor(query: Query = {}) {
+    this.currentQuery = query;
+  }
+
+  navigate(query: Query) {
+    this.currentQuery = query;
+  }
+  on(event: RouterEvent, owner: any, callback: Callback) {}
+  getQuery(): Query {
+    return this.currentQuery;
+  }
+
+  formatURL(path: string, query: Query): string {
+    return "";
+  }
+}