Added eslint and corrected linting errors

.eslintignore

@@ -0,0 +1 @@
+node_modules

.eslintrc.json

@@ -0,0 +1,30 @@
+{
+    "env": {
+        "browser": true,
+        "commonjs": true,
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 2017
+    },
+    "rules": {
+        "indent": [
+            "error",
+            2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    }
+}

data/youtube/media.js

@@ -1,8 +1,8 @@
-const fetch = require("node-fetch");
+const fetch = require('node-fetch');
 const { youtube_key } = require('../../config');
 
 const getLatestWorkshop = () => {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     fetch(
       `https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults=1&playlistId=PLwewcoGnsFsfF186l11QcDLquwkACOfjW&fields=items(snippet(description%2CresourceId%2FvideoId%2Cthumbnails%2Fstandard%2Furl%2Ctitle))&key=${youtube_key}`
     )
@@ -15,15 +15,15 @@ const getLatestWorkshop = () => {
 };
 
 const getYoutubeVideos = () => {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     return fetch(`https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=UCW1GG-QroKAV5No7xzVssJw&maxResults=25&order=date&fields=items(id%2FvideoId%2Csnippet(description%2Ctitle))&key=${youtube_key}`)
       .then(response => response.json())
       .then(json => {
         // TODO: Error checking here
         resolve(json);
-      })
+      });
   });
-}
+};
 
 module.exports = {
   getLatestWorkshop,

middleware/headers.js

@@ -1,5 +1,5 @@
 const removeHeaders = (req, res, next) => {
-  res.removeHeader("X-Powered-By");
+  res.removeHeader('X-Powered-By');
   next();
 };
 

mockdata/workshops.js

@@ -1,27 +1,27 @@
 const workshops = [
   {
-    id: "123",
-    title: "Workshop 1",
+    id: '123',
+    title: 'Workshop 1',
     description:
-      "Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!"
+      'Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!'
   },
   {
-    id: "456",
-    title: "Workshop 2",
+    id: '456',
+    title: 'Workshop 2',
     description:
-      "Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!"
+      'Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!'
   },
   {
-    id: "789",
-    title: "Workshop 3",
+    id: '789',
+    title: 'Workshop 3',
     description:
-      "Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!"
+      'Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!'
   },
   {
-    id: "012",
-    title: "Workshop 4",
+    id: '012',
+    title: 'Workshop 4',
     description:
-      "Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!"
+      'Lorem ipsum dolor sit amet consectetur adipisicing elit. Reiciendis ad dolore debitis ipsum illo, quae eum maiores totam! Ipsa, possimus!'
   }
 ];