CleanWebpackPlugin now correctly cleans the build directory

webpack/paths.js

@@ -5,10 +5,10 @@ const appDirectory = fs.realpathSync(process.cwd());
 const resolveApp = (relativePath) => path.resolve(appDirectory, relativePath);
 
 module.exports = {
+    appRoot: resolveApp(''),
     appHtml: resolveApp('public/index.html'),
     appIndexJs: resolveApp('src/index.js'),
     appBuild: resolveApp('build'),
     appSrc: resolveApp('src'),
-    appDist: resolveApp('dist'),
     publicPath: ''
 };
\ No newline at end of file

webpack/webpack.config.prod.js

@@ -42,7 +42,9 @@ module.exports = {
         ]
     },
     plugins: [
-        new CleanWebpackPlugin(['build']),
+        new CleanWebpackPlugin([paths.appBuild], {
+            root: paths.appRoot
+        }),
         new HtmlWebpackPlugin({
             inject: true,
             template: paths.appHtml,