How can I solve a webpack issue migrating from v4 to v5?

I’m working with a project created a few time ago, it’s an old version and at the moment is not possible to update it to the latest version, so, I’m updating the main libraries to try to make it faster.

When I updated the webpack and a few other dependencies I started receiving this next error

ERROR in main
Module not found: Error: Can't resolve './src' in 'D:proyectosadmos'
resolve './src' in 'D:proyectosadmos'
  using description file: D:proyectosadmospackage.json (relative path: .)
    Field 'browser' doesn't contain a valid alias configuration
    using description file: D:proyectosadmospackage.json (relative path: ./src)
      no extension
        Field 'browser' doesn't contain a valid alias configuration
        D:proyectosadmossrc is not a file
      .js
        Field 'browser' doesn't contain a valid alias configuration
        D:proyectosadmossrc.js doesn't exist
      .json
        Field 'browser' doesn't contain a valid alias configuration
        D:proyectosadmossrc.json doesn't exist
      .wasm
        Field 'browser' doesn't contain a valid alias configuration
        D:proyectosadmossrc.wasm doesn't exist
      as directory
        existing directory D:proyectosadmossrc
          using description file: D:proyectosadmospackage.json (relative path: ./src)
            using path: D:proyectosadmossrcindex
              using description file: D:proyectosadmospackage.json (relative path: ./src/index)
                no extension
                  Field 'browser' doesn't contain a valid alias configuration
                  D:proyectosadmossrcindex doesn't exist
                .js
                  Field 'browser' doesn't contain a valid alias configuration
                  D:proyectosadmossrcindex.js doesn't exist
                .json
                  Field 'browser' doesn't contain a valid alias configuration
                  D:proyectosadmossrcindex.json doesn't exist
                .wasm
                  Field 'browser' doesn't contain a valid alias configuration
                  D:proyectosadmossrcindex.wasm doesn't exist

What I did? starting from the angular.json file
"architect": {}

replaced by

"architect": {
        "build": {
          "builder": "@angular-builders/custom-webpack:browser",
          "options": {
            "customWebpackConfig": {
              "path": "./webpack/webpack.common.js",
              "mergeStrategies": { "module.rules": "prepend" }

            },
            "outputPath": "build/resources/main/META-INF/resources",
            "index": "src/main/webapp/index.html",
            "main": "src/main/webapp/app/app.main.ts",
            "polyfills": "src/main/webapp/polyfills.ts",
            "tsConfig": "tsconfig.app.json",
            "assets": [
              "src/main/webapp/content",
              "src/main/webapp/favicon.ico",
              "src/main/webapp/manifest.webapp",
              {
                "glob": "**/*",
                "input": "./node_modules/swagger-ui-dist/",
                "output": "/swagger-ui/"
              }
            ],
            "styles": [
              "src/main/webapp/content/scss/global.scss"
            ],
            "scripts": []
          },
"configurations": {
            "production": {
              "fileReplacements": [
                {
                  "replace": "src/main/webapp/environments/environment.ts",
                  "with": "src/main/webapp/environments/environment.prod.ts"
                }
              ],
              "optimization": true,
              "outputHashing": "all",
              "sourceMap": false,
              "extractCss": true,
              "namedChunks": false,
              "aot": true,
              "extractLicenses": true,
              "vendorChunk": false,
              "buildOptimizer": true,
              "budgets": [
                {
                  "type": "initial",
                  "maximumWarning": "2mb",
                  "maximumError": "5mb"
                }
              ]
            },
            "development": {
              "buildOptimizer": false,
              "optimization": false,
              "vendorChunk": true,
              "extractLicenses": false,
              "sourceMap": true,
              "namedChunks": true
            }
          }

        },
        "serve": {
          "builder": "@angular-builders/custom-webpack:dev-server",
          "options": {
            "browserTarget": "admos:build"
          },
          "configurations": {
            "production": {
              "browserTarget": "admos:build:production"
            },
            "development": {
              "browserTarget": "admos:build:development"
}
          }
        }
      }

on the package.json

"scripts":{
"build": "npm run webpack:prod",
    "clean-www": "rimraf build/resources/main/META-INF/resourcesapp/{src,build/}",
    "cleanup": "rimraf build/resources/main/META-INF/resources",
    "postinstall": "ngcc",
    "ngc": "ngc -p tsconfig.app.json",
    "prettier:format": "prettier --write "{,src/**/}*.{md,json,ts,css,scss,yml}"",
    "serve": "npm run start",
    "start": "npm run webpack:dev",
    "start-tls": "npm run webpack:dev -- --env.tls",
    "test": "npm run lint && jest --coverage --logHeapUsage -w=2 --config src/test/javascript/jest.conf.js",
    "test:watch": "npm run test -- --watch",
    "webpack": "node --max_old_space_size=4096 node_modules/webpack/bin/webpack.js",
    "webpack-dev-server": "node --max_old_space_size=4096 node_modules/webpack-dev-server/bin/webpack-dev-server.js",
    "webpack:build": "npm run cleanup && npm run webpack:build:main",
    "webpack:build:main": "npm run webpack -- --config webpack/webpack.dev.js --env.stats=minimal",
    "webpack:dev": "npm run webpack-dev-server -- --config webpack/webpack.dev.js --inline --hot --port=9060 --watch-content-base --env.stats=minimal",
    "webpack:dev-verbose": "npm run webpack-dev-server -- --config webpack/webpack.dev.js --inline --hot --port=9060 --watch-content-base --profile --progress --env.stats=normal",
    "webpack:prod": "npm run cleanup && npm run webpack:prod:main && npm run clean-www",
    "webpack:test": "npm run test"

}

replaced with

"scripts":{
"build": "webpack --mode production",
    "clean-www": "rimraf build/resources/main/META-INF/resourcesapp/{src,build/}",
    "cleanup": "rimraf build/resources/main/META-INF/resources",
    "postinstall": "ngcc",
    "ngc": "ngc -p tsconfig.app.json",
    "prettier:format": "prettier --write "{,src/**/}*.{md,json,ts,css,scss,yml}"",
    "serve": "npm run start",
    "start": "webpack serve --mode development",
    "start-tls": "npm run webpack:dev -- --env.tls",
    "test": "npm run lint && jest --coverage --logHeapUsage -w=2 --config src/test/javascript/jest.conf.js",
    "test:watch": "npm run test -- --watch",
    "webpack": "node --max_old_space_size=4096 node_modules/webpack/bin/webpack.js",
    "webpack-dev-server": "node --max_old_space_size=4096 node_modules/webpack-dev-server/bin/webpack-dev-server.js",
    "webpack:build": "npm run cleanup && npm run webpack:build:main",
    "webpack:build:main": "npm run webpack -- --config webpack/webpack.dev.js --env.stats=minimal",
    "webpack:dev": "npm run webpack-dev-server -- --config webpack/webpack.prod.js --inline --hot --port=9060 --watch-content-base --env.stats=minimal",
    "webpack:dev-verbose": "npm run webpack-dev-server -- --config webpack/webpack.dev.js --inline --hot --port=9060 --watch-content-base --profile --progress --env.stats=normal",
    "webpack:prod": "npm run cleanup && npm run webpack:prod:main && npm run clean-www",
    "webpack:test": "npm run test"

}

my dependencies were the next

"dependencies": {
    "@angular/animations": "11.2.14",
    "@angular/cdk": "11.2.13",
    "@angular/common": "11.2.14",
    "@angular/compiler": "11.2.14",
    "@angular/core": "11.2.14",
    "@angular/forms": "11.2.14",
    "@angular/localize": "11.2.14",
    "@angular/platform-browser": "11.2.14",
    "@angular/platform-browser-dynamic": "11.2.14",
    "@angular/router": "11.2.14",
    "@fortawesome/angular-fontawesome": "^0.8.2",
    "@fortawesome/fontawesome-svg-core": "1.2.36",
    "@fortawesome/free-solid-svg-icons": "5.13.1",
    "@ng-bootstrap/ng-bootstrap": "^9.1.3",
    "@ng-select/ng-select": "6.1.0",
    "@ngx-translate/core": "12.1.2",
    "@ngx-translate/http-loader": "5.0.0",
    "bootstrap": "4.6.1",
    "lodash": "^4.17.21",
    "moment": "^2.30.1",
    "ng-jhipster": "0.16.0",
    "ng2-dragula": "^2.1.1",
    "ngx-cookie-service": "10.1.1",
    "ngx-infinite-scroll": "9.1.0",
    "ngx-pagination": "^5.1.1",
    "ngx-spinner": "^10.0.1",
    "ngx-webstorage": "7.0.1",
    "rxjs": "6.6.7",
    "swagger-ui-dist": "3.52.5",
    "tslib": "^2.6.3",
    "zone.js": "0.11.5"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.1102.19",
    "@angular/cli": "11.2.19",
    "@angular/compiler-cli": "11.2.14",
    "@ngtools/webpack": "11.2.19",
    "@openapitools/openapi-generator-cli": "1.0.18-4.3.1",
    "@types/jest": "26.0.24",
    "@types/lodash": "^4.17.5",
    "@types/node": "13.13.52",
    "@types/uuid": "^9.0.8",
    "@typescript-eslint/eslint-plugin": "2.34.0",
    "@typescript-eslint/eslint-plugin-tslint": "2.34.0",
    "@typescript-eslint/parser": "2.34.0",
    "autoprefixer": "9.8.8",
    "browser-sync": "^2.29.1",
    "browser-sync-webpack-plugin": "2.3.0",
    "codelyzer": "^6.0.0",
    "copy-webpack-plugin": "6.0.2",
    "css-loader": "3.6.0",
    "eslint": "6.8.0",
    "eslint-config-jhipster": "0.0.1",
    "eslint-config-prettier": "6.11.0",
    "eslint-loader": "4.0.2",
    "file-loader": "6.2.0",
    "friendly-errors-webpack-plugin": "1.7.0",
    "generator-jhipster": "6.10.5",
    "generator-jhipster-quarkus": "1.1.1",
    "html-loader": "1.3.2",
    "lint-staged": "8.2.1",
    "mini-css-extract-plugin": "0.12.0",
    "moment-locales-webpack-plugin": "1.2.0",
    "optimize-css-assets-webpack-plugin": "5.0.8",
    "postcss-loader": "3.0.0",
    "prettier": "2.6.2",
    "rimraf": "3.0.2",
    "sass-loader": "8.0.2",
    "simple-progress-webpack-plugin": "1.1.2",
    "style-loader": "1.3.0",
    "thread-loader": "2.1.3",
    "to-string-loader": "1.2.0",
    "ts-loader": "7.0.5",
    "tslint": "6.1.3",
    "typescript": "4.1.6",
    "webpack": "4.46.0",
    "webpack-bundle-analyzer": "3.9.0",
    "webpack-cli": "3.3.12",
    "webpack-dev-server": "3.11.3",
    "webpack-merge": "4.2.2",
    "webpack-notifier": "1.15.0",
    "workbox-webpack-plugin": "5.1.4",
    "write-file-webpack-plugin": "4.5.1"
  },

and updated to

  "dependencies": {
    "@angular/animations": "13.2.4",
    "@angular/cdk": "13.2.4",
    "@angular/common": "13.2.4",
    "@angular/compiler": "13.2.4",
    "@angular/core": "13.2.4",
    "@angular/forms": "13.2.4",
    "@angular/localize": "13.2.4",
    "@angular/platform-browser": "13.2.4",
    "@angular/platform-browser-dynamic": "13.2.4",
    "@angular/router": "13.2.4",
    "@fortawesome/angular-fontawesome": "^0.10.2",
    "@fortawesome/fontawesome-svg-core": "^1.3.0",
    "@fortawesome/free-solid-svg-icons": "^6.0.0",
    "@ng-bootstrap/ng-bootstrap": "^11.0.0",
    "@ng-select/ng-select": "8.3.0",
    "@ngx-translate/core": "^14.0.0",
    "@ngx-translate/http-loader": "^7.0.0",
    "bootstrap": "4.6.1",
    "lodash": "^4.17.21",
    "moment": "^2.30.1",
    "@augwit/ng-jhipster": "0.20.9",
    "ng2-dragula": "^2.1.1",
    "ngx-cookie-service": "13.2.1",
    "ngx-infinite-scroll": "9.1.0",
    "ngx-pagination": "^5.1.1",
    "ngx-spinner": "^13.1.1",
    "ngx-webstorage": "9.0.0",
    "rxjs": "6.6.7",
    "swagger-ui-dist": "3.52.5",
    "tslib": "^2.6.3",
    "zone.js": "0.11.5"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "13.2.4",
    "@angular/cli": "11.2.19",
    "@angular/compiler-cli": "13.2.4",
    "@ngtools/webpack": "13.2.4",
    "@openapitools/openapi-generator-cli": "1.0.18-4.3.1",
    "@types/jest": "26.0.24",
    "@types/lodash": "^4.17.5",
    "@types/node": "13.13.52",
    "@types/uuid": "^9.0.8",
    "@typescript-eslint/eslint-plugin": "^4.33.0",
    "@typescript-eslint/eslint-plugin-tslint": "3.2.0",
    "@typescript-eslint/parser": "^4.0.0",
    "autoprefixer": "9.8.8",
    "browser-sync": "^2.29.1",
    "browser-sync-webpack-plugin": "2.3.0",
    "codelyzer": "^6.0.0",
    "copy-webpack-plugin": "6.0.2",
    "css-loader": "3.6.0",
    "eslint": "^7.32.0",
    "@upside-cloud/eslint-config-jhipster": "0.12.1",
    "eslint-config-prettier": "^6.15.0",
    "eslint-loader": "4.0.2",
    "file-loader": "6.2.0",
    "@soda/friendly-errors-webpack-plugin": "1.8.1",
    "generator-jhipster": "6.10.5",
    "generator-jhipster-quarkus": "1.1.1",
    "html-loader": "1.3.2",
    "lint-staged": "8.2.1",
    "mini-css-extract-plugin": "0.12.0",
    "moment-locales-webpack-plugin": "1.2.0",
    "css-minimizer-webpack-plugin": "6.0.0",
    "postcss-loader": "3.0.0",
    "prettier": "2.6.2",
    "rimraf": "3.0.2",
    "sass-loader": "8.0.2",
    "simple-progress-webpack-plugin": "1.1.2",
    "style-loader": "1.3.0",
    "thread-loader": "3.0.4",
    "to-string-loader": "1.2.0",
    "ts-loader": "7.0.5",
    "tslint": "6.1.3",
    "typescript": "4.4.3",
    "webpack": "^5.30.0",
    "webpack-bundle-analyzer": "3.9.0",
    "webpack-cli": "4.10.0",
    "webpack-dev-server": "3.11.3",
    "webpack-merge": "4.2.2",
    "webpack-notifier": "1.15.0",
    "workbox-webpack-plugin": "6.6.0",
"@angular-builders/custom-webpack":"13.1.0",
    "write-file-webpack-plugin": "4.5.1"
  },

next thing I did was update tsconfig.base.json

"compilerOptions": {
    "target": "es6",
    "module": "esnext",
    "moduleResolution": "node",
    "sourceMap": true,
    "suppressImplicitAnyIndexErrors": true,
    "skipLibCheck": true,
    "outDir": "build/resources/main/META-INF/resourcesapp",
    "lib": ["es7", "dom", "ES2019.Object"],
    "baseUrl": "./",
    "paths": {
      "app/*": ["src/main/webapp/app/*"]
    },

to the next

  "compilerOptions": {
    "target": "es2015",
    "module": "esnext",
    "moduleResolution": "node",
    "sourceMap": true,
    "suppressImplicitAnyIndexErrors": true,
    "skipLibCheck": true,
    "outDir": "build/resources/main/META-INF/resourcesapp",
    "lib": ["es2017", "dom", "esnext"],
    "baseUrl": "./",
    "paths": {
      "@app/*": ["src/main/webapp/app/*"]
    },

updated the webpack.common.js
from this

const webpack = require('webpack');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const AngularCompilerPlugin = require('@ngtools/webpack').AngularCompilerPlugin;
const utils = require('./utils.js');

module.exports = (options) => ({
        extensions: ['.ts', '.js'],
        modules: ['node_modules'],
        mainFields: ['es2015', 'browser', 'module', 'main'],
        alias: utils.mapTypescriptAliasToWebpackAlias()
    },
    stats: {
        children: false
        rules: [
            {
                test: /(?:.ngfactory.js|.ngstyle.js|.ts)$/,
                loader: '@ngtools/webpack'
            },
            {
                test: /.html$/,
                        minifyCSS: false
                    }
                },
                exclude: utils.root('src/main/webapp/index.html')
            },
            {
                test: /.(jpe?g|png|gif|svg|woff2?|ttf|eot)$/i,
                loader: 'file-loader',
                options: {
                    digest: 'hex',
                    hash: 'sha512',
                    // For fixing src attr of image
                    // See https://github.com/jhipster/generator-jhipster/issues/11209
                    name: 'content/[hash].[ext]',
                    esModule: false
                }
            },
            {
                test: /manifest.webapp$/,
                loader: 'file-loader',
                options: {
                    name: 'manifest.webapp'
                }
            },
            // Ignore warnings about System.import in Angular
            { test: /[/\]@angular[/\].+.js$/, parser: { system: true } },
        ]
    },
    plugins: [
        new webpack.DefinePlugin({
            'process.env': {
                NODE_ENV: `'${options.env}'`,
                BUILD_TIMESTAMP: `'${new Date().getTime()}'`,
                // APP_VERSION is passed as an environment variable from the Gradle / Maven build tasks.
                VERSION: `'${process.env.hasOwnProperty('APP_VERSION') ? process.env.APP_VERSION : 'DEV'}'`,
                DEBUG_INFO_ENABLED: options.env === 'development',
                // The root URL for API calls, ending with a '/' - for example: `"https://www.jhipster.tech:8081/myservice/"`.
                // If this URL is left empty (""), then it will be relative to the current context.
                // If you use an API server, in `prod` mode, you will need to enable CORS
                // (see the `jhipster.cors` common JHipster property in the `application-*.yml` configurations)
                SERVER_API_URL: `''`
            }
        }),
        new CopyWebpackPlugin({
                { from: './src/main/webapp/content/', to: 'content' },
                { from: './src/main/webapp/favicon.ico', to: 'favicon.ico' },
                { from: './src/main/webapp/manifest.webapp', to: 'manifest.webapp' },
                // jhipster-needle-add-assets-to-webpack - JHipster will add/remove third-party resources in this array
                { from: './src/main/webapp/robots.txt', to: 'robots.txt' }
            ],
        }),
            inject: 'body',
            base: '/',
        }),
        new AngularCompilerPlugin({
            mainPath: utils.root('src/main/webapp/app/app.main.ts'),
            tsConfigPath: utils.root('tsconfig.app.json'),
            sourceMap: true
        })
    ]
});

to this

const path = require('path');
const webpack = require('webpack');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { AngularWebpackPlugin } = require('@ngtools/webpack');
const utils = require('./utils.js');

module.exports = (options) => ({
        extensions: ['.ts', '.js'],
        modules: [path.join(__dirname, '../node_modules')],
        mainFields: ['es2015', 'browser', 'module', 'main'],
        alias: {
            '@': path.resolve(__dirname, 'src'),
            ...utils.mapTypescriptAliasToWebpackAlias()
        }
    },
    stats: {
        children: false
        rules: [
            {
                test: /(?:.ngfactory.js|.ngstyle.js|.ts)$/,
                use: '@ngtools/webpack'
            },
            {
                test: /.html$/,
                        minifyCSS: false
                    }
                },
                exclude: path.resolve(__dirname, 'src/main/webapp/index.html')
            },
            {
                test: /.(jpe?g|png|gif|svg|woff2?|ttf|eot)$/i,
                type: 'asset/resource',
                generator: {
                    filename: 'content/[hash][ext][query]'
                }
            },
            {
                test: /manifest.webapp$/,
                type: 'asset/resource',
                generator: {
                    filename: 'manifest.webapp'
                }
            },
            { test: /[/\]@angular[/\].+.js$/, parser: { system: true } },
        ]
    },
    plugins: [
        new webpack.DefinePlugin({
            'process.env': {
                NODE_ENV: JSON.stringify(options.env),
                BUILD_TIMESTAMP: JSON.stringify(new Date().getTime()),
                VERSION: JSON.stringify(process.env.APP_VERSION || 'DEV'),
                DEBUG_INFO_ENABLED: options.env === 'development',
                SERVER_API_URL: JSON.stringify('')
            }
        }),
        new CopyWebpackPlugin({
                { from: './src/main/webapp/content/', to: 'content' },
                { from: './src/main/webapp/favicon.ico', to: 'favicon.ico' },
                { from: './src/main/webapp/manifest.webapp', to: 'manifest.webapp' },
                { from: './src/main/webapp/robots.txt', to: 'robots.txt' }
            ],
        }),
            inject: 'body',
            base: '/',
        }),
        new AngularWebpackPlugin({
            tsconfig: path.resolve(__dirname, 'tsconfig.app.json'),
            sourceMap: true
        })
    ]
});

my webpack.dev.js

const webpack = require('webpack');
const writeFilePlugin = require('write-file-webpack-plugin');
const webpackMerge = require('webpack-merge');
const BrowserSyncPlugin = require('browser-sync-webpack-plugin');
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');
const SimpleProgressWebpackPlugin = require('simple-progress-webpack-plugin');
const WebpackNotifierPlugin = require('webpack-notifier');
const path = require('path');
const sass = require('sass');

const utils = require('./utils.js');
const commonConfig = require('./webpack.common.js');

const ENV = 'development';

module.exports = (options) => webpackMerge(commonConfig({ env: ENV }), {
    devtool: 'eval-source-map',
    devServer: {
        contentBase: './build/resources/main/META-INF/resources',
        proxy: [{
            context: [
                '/api',
            secure: false,
            changeOrigin: options.tls
        }],
        stats: options.stats,
        watchOptions: {
            ignored: /node_modules/
        },
        https: options.tls,
        historyApiFallback: true
    },
    entry: {
        global: './src/main/webapp/content/scss/global.scss',
        main: './src/main/webapp/app/app.main'
    },
    output: {
        path: utils.root('build/resources/main/META-INF/resources'),
            proxy: {
                target: `http${options.tls ? 's' : ''}://localhost:9060`,
                proxyOptions: {
                    changeOrigin: false  //pass the Host header to the backend unchanged  https://github.com/Browsersync/browser-sync/issues/430
                }
            },
            socket: {
                    heartbeatTimeout: 60000
                }
            }
            /*
            ,ghostMode: { // uncomment this part to disable BrowserSync ghostMode; https://github.com/jhipster/generator-jhipster/issues/11116
                clicks: false,
                location: false,
                forms: false,
                scroll: false
            } */
        }, {
            reload: false
        }),
            /angular(\|/)core(\|/)/,
            path.resolve(__dirname, './src/main/webapp/')
        ),
        new writeFilePlugin(),
        new webpack.WatchIgnorePlugin([
            utils.root('src/test'),
        ]),
        new WebpackNotifierPlugin({
            title: 'JHipster',
            contentImage: path.join(__dirname, 'logo-jhipster.png')
        })
    ].filter(Boolean),
    mode: 'development'
});

to this

const webpack = require('webpack');
const BrowserSyncPlugin = require('browser-sync-webpack-plugin');
const FriendlyErrorsWebpackPlugin = require('@soda/friendly-errors-webpack-plugin');
const SimpleProgressWebpackPlugin = require('simple-progress-webpack-plugin');
const WebpackNotifierPlugin = require('webpack-notifier');
const path = require('path');
const sass = require('sass');
const { merge } = require('webpack-merge');
const utils = require('./utils.js');
const commonConfig = require('./webpack.common.js');

const ENV = 'development';

module.exports = (options) => merge(commonConfig({ env: ENV }), {
    devtool: 'eval-source-map',
    devServer: {
        static: './build/resources/main/META-INF/resources',
        proxy: [{
            context: [
                '/api',
            secure: false,
            changeOrigin: options.tls
        }],
        devMiddleware: {
            stats: options.stats,
        },
        watchFiles: {
            paths: ['src/**/*'],
            options: {
                ignored: /node_modules/
            },
        },
        https: options.tls,
        historyApiFallback: true
    },
    entry: {
      global: path.resolve(__dirname, './src/main/webapp/content/scss/global.scss'),
      main: path.resolve(__dirname, './src/main/webapp/app/app.main.ts'),
    },
    output: {
        path: utils.root('build/resources/main/META-INF/resources'),
            proxy: {
                target: `http${options.tls ? 's' : ''}://localhost:9060`,
                proxyOptions: {
                    changeOrigin: false
                }
            },
            socket: {
                    heartbeatTimeout: 60000
                }
            }
        }, {
            reload: false
        }),
            /angular(\|/)core(\|/)/,
            path.resolve(__dirname, './src/main/webapp/')
        ),
        new WebpackNotifierPlugin({
            title: 'JHipster',
            contentImage: path.join(__dirname, 'logo-jhipster.png')
        })
    ].filter(Boolean),
    mode: 'development'
});

my webpack.prod.js from this

const webpack = require('webpack');
const webpackMerge = require('webpack-merge');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const MomentLocalesPlugin = require('moment-locales-webpack-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');
const ENV = 'production';
const sass = require('sass');

module.exports = webpackMerge(commonConfig({ env: ENV }), {
    // Enable source maps. Please note that this will slow down the build.
    // You have to enable it in Terser config below and in tsconfig.json as well
    // devtool: 'source-map',
    entry: {
        global: './src/main/webapp/content/scss/global.scss',
        main: './src/main/webapp/app/app.main'
    },
    output: {
        path: utils.root('build/resources/main/META-INF/resources'),
        filename: 'app/[name].[hash].bundle.js',
        chunkFilename: 'app/[id].[hash].chunk.js'
    },
    module: {
        rules: [
            ]
        }]
    },
    plugins: [
        new MiniCssExtractPlugin({
            // Options similar to the same options in webpackOptions.output
            // both options are optional
            filename: 'content/[name].[contenthash].css',
            chunkFilename: 'content/[id].css'
        }),
        new BundleAnalyzerPlugin({
            analyzerMode: 'static',
            openAnalyzer: false,
            // Webpack statistics in target folder
            reportFilename: '../stats.html'
        }),
        new webpack.LoaderOptionsPlugin({
            minimize: true,
            debug: false
        }),
        new WorkboxPlugin.GenerateSW({
            clientsClaim: true,
            skipWaiting: true,
            exclude: [/swagger-ui/]
        })
    ],
    mode: 'production'
});

to this

const webpack = require('webpack');
const { merge } = require('webpack-merge');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const MomentLocalesPlugin = require('moment-locales-webpack-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');
const ENV = 'production';
const sass = require('sass');

module.exports = merge(commonConfig({ env: ENV }), {
    // Enable source maps. Please note that this will slow down the build.
    // You have to enable it in Terser config below and in tsconfig.json as well
    // devtool: 'source-map',
    entry: {
      global: path.resolve(__dirname, './src/main/webapp/content/scss/global.scss'),
      main: path.resolve(__dirname, './src/main/webapp/app/app.main.ts'),
    },
    output: {
        path: utils.root('build/resources/main/META-INF/resources'),
        filename: 'app/[name].[contenthash].bundle.js',
        chunkFilename: 'app/[id].[contenthash].chunk.js'
    },
    module: {
        rules: [
            ]
        }]
    },
    optimization: {
        minimize: true,
        minimizer: [
            `...`,
            new CssMinimizerPlugin()
        ]
    },
    plugins: [
        new MiniCssExtractPlugin({
            filename: 'content/[name].[contenthash].css',
            chunkFilename: 'content/[id].css'
        }),
        new BundleAnalyzerPlugin({
            analyzerMode: 'static',
            openAnalyzer: false,
            reportFilename: '../stats.html'
        }),
        new webpack.LoaderOptionsPlugin({
            minimize: true,
            debug: false
        }),
        new WorkboxPlugin.GenerateSW({
            clientsClaim: true,
            skipWaiting: true,
            exclude: [/swagger-ui/]
        })
    ],
    mode: 'production'
});

and it still showing the same issue

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Trang chủ Giới thiệu Sinh nhật bé trai Sinh nhật bé gái Tổ chức sự kiện Biểu diễn giải trí Dịch vụ khác Trang trí tiệc cưới Tổ chức khai trương Tư vấn dịch vụ Thư viện ảnh Tin tức - sự kiện Liên hệ Chú hề sinh nhật Trang trí YEAR END PARTY công ty Trang trí tất niên cuối năm Trang trí tất niên xu hướng mới nhất Trang trí sinh nhật bé trai Hải Đăng Trang trí sinh nhật bé Khánh Vân Trang trí sinh nhật Bích Ngân Trang trí sinh nhật bé Thanh Trang Thuê ông già Noel phát quà Biểu diễn xiếc khỉ Xiếc quay đĩa
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