Comment Code

index.js

@@ -1,27 +1,42 @@
+// Required Modules
 const fetch = require('node-fetch');
 
+// Valid sortBy names
 const sortable = [
     'new',
     'hot',
     'top'
 ]
 
+// Main function
 function randomBunny(subreddit, sortBy, cb) {
+    // If the sortable list doesn't include sortBy, default to 'hot'
     if (!sortable.includes(sortBy)) sortBy = 'hot';
 
+    // Fetch the json from reddit
+    // For example, if you're getting a random image from r/rabbits, sorted by new:
+    // https://www.reddit.com/r/rabbits/new.json
     fetch(`https://www.reddit.com/r/${subreddit}/${sortBy}.json`).then(res => {
         res.json().then(res => {
+            // Get the part of the json string which the data comes from
             const data = res.data.children;
             const size = data.length;
 
+            // Found is used for the while loop in order to break out of the loop.
+            // We need to loop as the json string will contain invalid data for what we need
+            // Specifically videos.
             let found = false;
 
+            // Loop until a valid image post is found
             while (!found) {
+                // Generate random number
                 const random = getRandom(0, size - 1);
 
+                // Get variables from json to pass back
                 const image = data[random].data['url'];
                 const title = data[random].data['title'];
 
+                // If the post is a .jpg, send back the data and stop looping
                 if (image.includes('.jpg')) {
                     found = true;
                     cb(image, title);
@@ -31,8 +46,10 @@ function randomBunny(subreddit, sortBy, cb) {
     });
 }
 
+// Generate a random number
 function getRandom(min, max) {
     return Math.floor((Math.random() * max) + min);
 }
 
+// Export Functions
 module.exports = randomBunny;

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "random-bunny",
-  "version": "1.0.0",
+  "version": "20.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "random-bunny",
-  "version": "1.0.0",
+  "version": "20.0.0",
   "description": "Get a random subreddit image url",
   "license": "MIT",
   "author": "Vylpes",