fix: remove unecessary mem leak causing cleanup

Author: digitalsadhu

lib/middleware.js

@@ -83,38 +83,20 @@ module.exports = class Middleware extends EventEmitter {
     js() {
         return (req, res, next) => {
             res.type('javascript');
-            const bundler = this.writers.js.bundle();
-
-            bundler.on('error', cleanup);
-
-            const writeStream = bundler.pipe(res).on('error', cleanup);
-
-            function cleanup(e) {
-                res.write(`console.error(${JSON.stringify(e.stack)})`);
-                bundler.pause();
-                bundler.unpipe(writeStream);
-                writeStream.end();
-                next(e);
-            }
+            this.writers.js
+                .bundle()
+                .on('error', next)
+                .pipe(res);
         };
     }
 
     css() {
         return (req, res, next) => {
             res.type('css');
-            const bundler = this.writers.css.bundle();
-
-            bundler.on('error', cleanup);
-
-            const writeStream = bundler.pipe(res).on('error', cleanup);
-
-            function cleanup(e) {
-                res.write(`console.error(${JSON.stringify(e.stack)})`);
-                bundler.pause();
-                bundler.unpipe(writeStream);
-                writeStream.end();
-                next(e);
-            }
+            this.writers.css
+                .bundle()
+                .on('error', next)
+                .pipe(res);
         };
     }
 };