Refactored image code

img/image.js

@@ -1,35 +0,0 @@
-const utils = require('../utils/utils.js');
-const crypto = require('crypto');
-
-module.exports=
-    {
-        /**Sends the user an image from the specified fileName.
-         *
-         * @param result
-         * @param fileName
-         */
-        main: function(result, fileName, cache)
-        {
-            //result.contentType = 'image/png';
-
-            var img = cache.get(fileName);
-            if(img == null)
-            {
-                utils.include("." + fileName).then(function(content)
-                {
-                    var eTag = crypto.createHash('md5').update(content).digest('hex');
-                    result.writeHead(200, {'Content-Type': 'image/png', 'Cache-Control': 'public, max-age=2678400', 'ETag': '"' + eTag + '"'});
-                    result.write(content);
-                    result.end();
-                    cache.put(content);
-                });
-            }
-            else
-            {
-                var eTag = crypto.createHash('md5').update(img).digest('hex');
-                result.writeHead(200, {'Content-Type': 'image/png', 'Cache-Control': 'public, max-age=2678400', 'ETag': '"' + eTag + '"'});
-                result.write(img);
-                result.end();
-            }
-        }
-    };

includes/includes.js

@@ -83,5 +83,35 @@ module.exports =
             result.write(css);
             result.end();
         }
+    },
+
+
+    /**Sends the user an image from the specified fileName.
+     *
+     * @param result
+     * @param fileName
+     */
+    sendImage: function(result, fileName, cache)
+    {
+        const img = cache.get(fileName);
+        if(img == null)
+        {
+            utils.include("." + fileName).then(function(content)
+            {
+                const eTag = crypto.createHash('md5').update(content).digest('hex');
+                console.log(eTag);
+                result.writeHead(200, {'Content-Type': 'image/png', 'Cache-Control': 'public, max-age=2678400', 'ETag': '"' + eTag + '"'});
+                result.write(content);
+                result.end();
+                cache.put(content);
+            });
+        }
+        else
+        {
+            const eTag = crypto.createHash('md5').update(img).digest('hex');
+            result.writeHead(200, {'Content-Type': 'image/png', 'Cache-Control': 'public, max-age=2678400', 'ETag': '"' + eTag + '"'});
+            result.write(img);
+            result.end();
+        }
     }
 };

server.js

@@ -48,11 +48,11 @@ app.use(function(request, res)
         //handles image requests
         if(filename.includes("/img/") || filename.includes(".jpg") || filename.includes(".png") || filename.includes(".ico"))
         {
-            require("./img/image.js").main(res, filename, cache);
+            includes.sendImage(res, filename, cache);
         }
         else if(filename.includes("/css/") || filename.includes(".woff2") || filename.includes(".txt"))
         {
-            includes.sendCSS(res, filename, cache)
+            includes.sendCSS(res, filename, cache);
         }
         else if(filename.includes("/js/") || filename.includes(".js"))
         {
@@ -66,7 +66,7 @@ app.use(function(request, res)
         {
             var file = "";
 
-            var html = cache.get(filename);
+            const html = cache.get(filename);
 
             res.writeHead(200, {'Content-Type': 'text/html'});
             if(html == null)