Add async/await to wrap around the Promise

asyncPromise.js

@@ -0,0 +1,38 @@
+var pipeDelimiter = require('./pipeDelimiter');
+
+async function run() {
+  await buildFerociousCats({ list: '', delimiter: pipeDelimiter }, 'Panther', getJaguar)
+  console.log('DONE');
+}
+
+function getJaguar(cat) {
+  return buildFerociousCats(cat, 'Jaguar', getLynx);
+}
+
+function getLynx(cat) {
+  return buildFerociousCats(cat, 'Lynx', getSnowLeopard);
+}
+
+function getSnowLeopard(cat) {
+  return buildFerociousCats(cat, 'Snow Leopard', getLion);
+}
+
+function getLion(cat) {
+  return buildFerociousCats(cat, 'Lion', printList);
+}
+
+function printList(cat) {
+  console.log(cat.list);
+}
+
+function buildFerociousCats(cat, returnValue, next) {
+  return new Promise((resolve) => {
+    setTimeout(function asyncCall(data) {
+      var catList = cat.delimiter(cat.list, data);
+
+      resolve(next({ list: catList, delimiter: cat.delimiter }));
+    }, 1, returnValue);
+  });
+}
+
+run().then(() => console.log('DONE DONE'));

package.json

@@ -13,7 +13,8 @@
     "callback-hell": "node callbackHell.js",
     "dependency-inversion": "node callbackDependencyInversion.js",
     "polymorphic-callback": "node callbackPolymorphic.js",
-    "promise": "node callbackPromise.js"
+    "promise": "node callbackPromise.js",
+    "async": "node asyncPromise.js"
   },
   "devDependencies": {
     "mocha": "3.0.1",