Redux thunk and asynchronous API calls

src/js/actions/index.js

@@ -3,3 +3,13 @@ import { ADD_ARTICLE } from "../constants/action-types"
 export function addArticle(payload) {
   return { type: ADD_ARTICLE, payload }
 }
+
+export function getData() {
+  return function(dispatch) {
+    return fetch("https://jsonplaceholder.typicode.com/posts")
+      .then(response => response.json())
+      .then(json => {
+        dispatch({ type: "DATA_LOADED", payload: json });
+      })
+  }
+}