Rails Tutorial 第8章 herokuデプロイにて Precompiling assets failed. とエラーが出る。

Question

お世話になります。
Rails Tutorialにて学習中です。
第8章最終の部分において、herokuへデプロイするのですが、
Precompiling assets failed.
とエラーが出てしまいます。

解決方法についてご教授願います。
以下、エラー内容となっております。

remote:        Compilation failed:
remote:        /tmp/build_397464b6/config/webpack/environment.js:5
remote:         new.webpack.ProvidePlugin({
remote:             ^^^^^^^
remote:        
remote:        SyntaxError: Unexpected identifier
.
.
.
remote:  !
remote:  !     Precompiling assets failed.
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote: 
remote:  !     Push failed
remote:  !
remote:  ! ## Warning - The same version of this code has already been built: cfb0dac017b63dbf1ec9ebf4f9c1b164731fbab8
remote:  !
remote:  ! We have detected that you have triggered a build from source code with version cfb0dac017b63dbf1ec9ebf4f9c1b164731fbab8
remote:  ! at least twice. One common cause of this behavior is attempting to deploy code from a different branch.
remote:  !
remote:  ! If you are developing on a branch and deploying via git you must run:

以下、エラーを引き起こしている（？）該当ファイルになります。
environment.js

const { environment } = require('@rails/webpacker')

const webpack = require('webpack')
environment.plugins.prepend('Provide',
  new webpack.ProvidePlugin ( {
    $: 'jquery/src/jquery',
    jQuery: 'jquery/src/jquery'
  } )
)

module.exports = environment

application.js

// This file is automatically compiled by Webpack, along with any other files
// present in this directory. You're encouraged to place your actual application logic in
// a relevant structure within app/javascript and only use these pack files to reference
// that code so it'll be compiled.

import Rails from "@rails/ujs"
import Turbolinks from "turbolinks"
import * as ActiveStorage from "@rails/activestorage"
import "channels"

Rails.start()
Turbolinks.start()
ActiveStorage.start()