HM-31. Добавлен роутинг для страниц (#9)

src/services/RouteService.js

@@ -0,0 +1,41 @@
+import EmitService from './EmitService';
+import {parse} from 'querystring';
+
+const ROUTE_CHANGE = 'routeChange';
+
+class RouteService extends EmitService {
+    constructor () {
+        super();
+
+        this.history = window.history;
+        this._events[ROUTE_CHANGE] = [];
+    }
+
+    getUrlData = () => {
+        return {
+            url: location.pathname,
+            query: parse(location.search.slice(1)),
+        };
+    }
+
+    generateNext = () => {
+        this.next(ROUTE_CHANGE, this.getUrlData());
+    }
+
+    init = () => {
+        this.generateNext();
+    }
+
+    goTo = (url) => {
+        this.history.pushState({}, '', url);
+        this.generateNext();
+    }
+
+    onChange = (listener) => {
+        this.subscribe(ROUTE_CHANGE, listener);
+    }
+}
+
+const routeService = new RouteService();
+
+export default routeService;