TheSeamau5 · September 20, 2016 04:25 · Sep 20, 2016 · Sep 20, 2016
diff --git a/makeRunner.js b/makeRunner.js
@@ -1,3 +1,6 @@
+// makeRunner : (renderer : ReactComponent -> ()) 
+//           -> (update : s -> a -> s, render : s -> Dispatcher a -> ReactComponent, observable : Observable a)
+//           -> ()
 export const makeRunner = (renderer) => (update, render, observable) => {
   const store = createStore(update);
 

diff --git a/makeRunner.js b/makeRunner.js
@@ -0,0 +1,13 @@
+export const makeRunner = (renderer) => (update, render, observable) => {
+  const store = createStore(update);
+
+  const renderApp = () => renderer(render(store.getState(), store.dispatch));
+
+  renderApp();
+
+  if (observable) {
+    observable.subscribe(store.dispatch);
+  }
+
+  store.subscribe(renderApp);
+};