ensure that history.push called after a url change works

jig/framework/router/__tests__/history.spec.ts

@@ -44,5 +44,21 @@ describe('history', () => {
         expect(history.getCurrentUrl()).toBe('/home');
       });
     });
+
+    it('keeps the latest url when url changes into an observer', async () => {
+      const dom = configureJSDOM(undefined, 'http://jigjs.com/');
+      const history = new History(dom.window);
+
+      const subscription = observe(history, () => {
+        subscription.unsubscribe();
+        history.push('/home');
+      });
+
+      history.push('/hello/world');
+
+      await waitForExpect(() => {
+        expect(dom.window.location.pathname).toBe('/home');
+      });
+    });
   });
 });

jig/framework/router/history.ts

@@ -4,7 +4,7 @@ import {JigWindow} from '../../types';
 @observable()
 export class History {
   @observing()
-  private currentUrl;
+  private currentUrl: string;
 
   constructor(private readonly window: JigWindow) {
     this.updateCurrentUrl();
@@ -17,8 +17,8 @@ export class History {
   }
 
   push(url: string): void {
-    this.currentUrl = url;
     this.window.history.pushState(undefined, undefined, url);
+    this.currentUrl = url;
   }
 
   getCurrentUrl(): string {

jig/package.json

@@ -1,6 +1,6 @@
 {
   "name": "jigjs",
-  "version": "0.0.0-pre-alpha.22",
+  "version": "0.0.0-pre-alpha.23",
   "description": "A front-end library",
   "author": "Carlos Maniero",
   "scripts": {

jigcss/package.json

@@ -1,6 +1,6 @@
 {
   "name": "jigcss",
-  "version": "0.0.0-pre-alpha.22",
+  "version": "0.0.0-pre-alpha.23",
   "description": "A css-in-js module for jigjs",
   "repository": "https://github.com/carlosmaniero/jigjs.git",
   "author": "Carlos Maniero",