diff --git a/build/build-modules-js/javascript/build-com_media-js.es6.js b/build/build-modules-js/javascript/build-com_media-js.es6.js
index 9002cdbd662b2..246c2cc5d9622 100644
--- a/build/build-modules-js/javascript/build-com_media-js.es6.js
+++ b/build/build-modules-js/javascript/build-com_media-js.es6.js
@@ -1,5 +1,6 @@
 const { resolve } = require('path');
 const { copyFile } = require('fs').promises;
+const { existsSync, rm } = require('fs');
 const rollup = require('rollup');
 const { nodeResolve } = require('@rollup/plugin-node-resolve');
 const replace = require('@rollup/plugin-replace');
@@ -132,11 +133,16 @@ module.exports.mediaManager = async () => {
 };
 
 module.exports.watchMediaManager = async () => {
+  if (existsSync(resolve('media/com_media/js/media-manager-es5.js'))) {
+    rm(resolve('media/com_media/js/media-manager-es5.js'));
+  }
+  if (existsSync(resolve('media/com_media/js/media-manager-es5.min.js'))) {
+    rm(resolve('media/com_media/js/media-manager-es5.min.js'));
+  }
   // eslint-disable-next-line no-console
   console.log('Watching Media Manager js+vue files...');
   // eslint-disable-next-line no-console
   console.log('=========');
-
   const watcher = rollup.watch({
     input: resolve(inputJS),
     plugins: [
@@ -149,9 +155,12 @@ module.exports.watchMediaManager = async () => {
         },
       }),
       nodeResolve(),
+      commonjs(),
       replace({
+        'process.env.NODE_ENV': JSON.stringify('development'),
+        __VUE_OPTIONS_API__: true,
+        __VUE_PROD_DEVTOOLS__: true,
         preventAssignment: true,
-        'process.env.NODE_ENV': JSON.stringify('production'),
       }),
       babel({
         exclude: 'node_modules/core-js/**',
@@ -179,23 +188,22 @@ module.exports.watchMediaManager = async () => {
     output: [
       {
         format: 'es',
-        sourcemap: false,
+        sourcemap: 'inline',
         file: 'media/com_media/js/media-manager.js',
       },
       {
         format: 'es',
-        sourcemap: false,
+        sourcemap: 'inline',
         file: 'media/com_media/js/media-manager.min.js',
       },
     ],
   });
 
-  watcher.on('event', (event) => {
-    if (event.code === 'BUNDLE_END') {
-      // eslint-disable-next-line no-console
-      console.log(`File ${event.output[0]} updated ✅
-File ${event.output[1]} updated ✅
-=========`);
-    }
+  watcher.on('event', ({ code, result, error }) => {
+    if (result) result.close();
+    // eslint-disable-next-line no-console
+    if (error) console.log(error);
+    // eslint-disable-next-line no-console
+    if (code === 'BUNDLE_END') console.log('Files updated ✅');
   });
 };