Use async/await (#12)

* Change some Promises to async/await

* Update eslint and dependencies

* Remove useless comma

.eslintrc.json

@@ -1,11 +1,14 @@
 {
+  "extends": ["eslint:recommended","plugin:promise/recommended"],
   "env": {
     "browser": true,
-    "node": true,
-    "es6": true
+    "es6": true,
+    "node": true
   },
-  "extends": ["eslint:recommended","plugin:promise/recommended"],
   "plugins": ["promise"],
+  "parserOptions": {
+    "ecmaVersion": 2017
+  },
   "rules": {
     "no-console": 0,
     "indent": [

lib/app.js

@@ -174,41 +174,41 @@ const itemLink  = require('./item'),
     };
 
 module.exports = {
-
-    createFeed: (options) => {
+    createFeed: async (options) => {
         app.options = options;
         app.baseCharUrl = `https://worldofwarcraft.com/en-${options.region}/character/${app.options.realm}/`;
 
         if (options.character) {
-
-            return blizzard.getApplicationToken()
+            await blizzard.getApplicationToken()
                 .then(response => {
                     blizzard.defaults.token = response.data.access_token;
-                    return blizzard.wow.character(['feed'], {
-                        origin: options.region,
-                        realm: options.realm,
-                        name: options.character
-                    });
-                })
-                .then(response => {
-                    return app.createCharFeed(response.data);
+                    return null;
                 });
+
+            const character = await blizzard.wow.character(['feed'], {
+                origin: options.region,
+                realm: options.realm,
+                name: options.character
+            });
+
+            return app.createCharFeed(character.data);
         } else if (options.guild) {
             app.options.path = encodeURI('/wow/guild/' + options.realm + '/' + options.guild.replace(' ', '_') + '/');
             app.options.host = options.region + '.battle.net';
 
-            return blizzard.getApplicationToken()
+            await blizzard.getApplicationToken()
                 .then(response => {
                     blizzard.defaults.token = response.data.access_token;
-                    return blizzard.wow.guild(['news'], {
-                        origin: options.region,
-                        realm: options.realm,
-                        name: options.guild
-                    });
-                })
-                .then(response => {
-                    return app.createGuildFeed(response.data);
+                    return null;
                 });
+
+            const guild = await blizzard.wow.guild(['news'], {
+                origin: options.region,
+                realm: options.realm,
+                name: options.guild
+            });
+
+            return app.createGuildFeed(guild.data);
         }
     }
 };