Fixed webpack configuration JS style.

webpack.common.js

@@ -10,7 +10,7 @@ export default {
             },
             {
                 test: /\.css$/i,
-                use: ['style-loader', 'css-loader'],
+                use: ["style-loader", "css-loader"],
             }
         ]
     },

webpack.dev.js

@@ -1,13 +1,13 @@
 import merge from "webpack-merge";
 import webpackCommon from "./webpack.common";
 
-devConfig = {
+const devConfig = {
     mode: "development",
     devtools: "inline-source-map",
 
     devServer: {
         static: "./dist"
     }
-}
+};
 
 export default merge(webpackCommon, devConfig);

webpack.prod.js

@@ -1,12 +1,12 @@
-import merge from "webpack-merge"
-import webpackCommon from "./webpack.common"
+import merge from "webpack-merge";
+import webpackCommon from "./webpack.common";
 
-prodConfig = {
+const prodConfig = {
     mode: "production",
     output: {
         filename: "[name].js",
         path: "./public"
     }
-}
+};
 
 export default merge(webpackCommon, prodConfig);