Angular 13迁移至14后浏览器报SyntaxError问题求助

项目从Angular 13迁移到14并更新多个依赖模块后，构建过程无报错，但在浏览器中无法正常运行，控制台抛出以下语法错误：

• SyntaxError: expected expression, got '.'（来自polyfills.js:1:174157）
• SyntaxError: expected expression, got '?'（来自scripts.js:1:3308）
• SyntaxError: expected expression, got '?'（来自main.js:1:41727）

项目package.json配置 #

{"name": "ngx-admin","version": "4.0.1","license": "MIT","repository": {"type": "git","url": "git+https://github.com/akveo/ngx-admin.git"},"bugs": {"url": "https://github.com/akveo/ngx-admin/issues"},"scripts": {"ng": "ng","conventional-changelog": "conventional-changelog","start": "set NODE_OPTIONS=--openssl-legacy-provider && ng serve -o","build": "ng build","build:prod": "npm run build -- --prod --aot","test": "ng test","test:coverage": "rimraf coverage && npm run test -- --code-coverage","lint": "ng lint","lint:fix": "ng lint ngx-admin-demo --fix","lint:styles": "stylelint ./src/**/*.scss","lint:ci": "npm run lint && npm run lint:styles","pree2e": "webdriver-manager update --standalone false --gecko false","e2e": "ng e2e","docs": "compodoc -p src/tsconfig.app.json -d docs","docs:serve": "compodoc -p src/tsconfig.app.json -d docs -s","prepush": "npm run lint:ci","release:changelog": "npm run conventional-changelog -- -p angular -i CHANGELOG.md -s"},"dependencies": {"@akveo/ng2-completer": "^9.0.1","@angular-devkit/core": "^14.2.11","@angular/compiler": "^14.3.0","@angular/platform-browser": "^14.3.0","@angular/platform-browser-dynamic": "^14.3.0","@danielmoncada/angular-datetime-picker": "14.2.0","@fortawesome/angular-fontawesome": "^0.10.0","@fortawesome/fontawesome-common-types": "6.4.0","@fortawesome/fontawesome-svg-core": "^6.4.0","@fortawesome/free-regular-svg-icons": "^6.4.0","@fortawesome/free-solid-svg-icons": "^6.4.0","@nebular/auth": "10.0.0","@nebular/eva-icons": "10.0.0","@nebular/security": "10.0.0","@nebular/theme": "10.0.0","@ng-bootstrap/ng-bootstrap": "13.1.1","@ngtools/webpack": "14.2.11","@swimlane/ngx-charts": "^20.1.2","@types/xlsx-populate": "git+https://github.com/JanLoebel/types-xlsx-populate.git","angular-svg-icon": "^12.0.0","angular-user-idle": "3.0.1","angular2-chartjs": "0.5.1","bootstrap": "5.0.2","chart.js": "^3.9.1","ckeditor": ">=4.11.0","classlist.js": "1.1.20150312","core-js": "^3.15.2","echarts": "^5.1.2","eva-icons": "^1.1.3","exceljs": "^4.2.1","file-saver": "^2.0.5","html-to-pdfmake": "^2.3.2","intl": "1.2.5","ionicons": "^5.5.2","jquery": "^3.6.0","leaflet": "1.7.1","moment": "^2.29.1","nebular-icons": "1.1.0","ngx-device-detector": "^4.0.1","ngx-echarts": "^7.0.1","ngx-material-timepicker": "^5.5.3","ngx-pagination": "^6.0.3","ngx-scrolltop": "4.3.0","ngx-webcam": "^0.4.1","normalize.css": "8.0.1","pace-js": "1.2.4","pdfmake": "^0.2.7","popper.js": "^1.16.1","roboto-fontface": "0.10.0","rxjs-compat": "6.6.7","sass": "^1.60.0","socicon": "3.0.5","style-loader": "^3.3.2","sweetalert2": "^11.7.3","tinymce": "^5.10.7","tslib": "^2.3.0","typeface-exo": "1.1.13","web-animations-js": "^2.3.2","zone.js": "^0.11.8"},"devDependencies": {"@angular-devkit/build-angular": "^14.2.11","@angular/animations": "^14.3.0","@angular/cdk": "^14.2.7","@angular/cli": "^14.2.11","@angular/common": "^14.3.0","@angular/compiler-cli": "^14.3.0","@angular/core": "^14.3.0","@angular/forms": "^14.3.0","@angular/language-service": "14.3.0","@angular/localize": "^14.3.0","@angular/router": "^14.3.0","@angular/service-worker": "^14.3.0","@babel/core": "^7.14.8","@compodoc/compodoc": "^1.1.14","@fortawesome/fontawesome-free": "^5.15.4","@juggle/resize-observer": "^3.3.1","@popperjs/core": "^2.9.2","@types/ckeditor": "^4.9.10","@types/d3-color": "3.0.2","@types/googlemaps": "^3.43.3","@types/jasmine": "4.3.1","@types/jasminewd2": "2.0.10","@types/leaflet": "1.9.3","@types/node": "^16.18.21","codelyzer": "^6.0.2","conventional-changelog-cli": "2.2.2","husky": "8.0.3","jasmine-core": "4.6.0","jasmine-spec-reporter": "7.0.0","karma": "^6.4.1","karma-chrome-launcher": "3.1.1","karma-cli": "2.0.0","karma-coverage-istanbul-reporter": "3.0.3","karma-jasmine": "5.1.0","karma-jasmine-html-reporter": "2.0.0","ng2-completer": "^9.0.1","npm-run-all": "4.1.5","postcss": "^8.4.21","protractor": "^7.0.0","rimraf": "4.4.1","rxjs": "7.8.0","stylelint": "14.0.0-0","ts-node": "10.1.0","typescript": "^4.6.4"}}

目前无法定位是哪个更新的依赖包引发该问题，已搜索相关技术帖但未找到有效解决方案。构建过程显示完全成功，无任何报错提示。

内容的提问来源于stack exchange，提问作者Carlos López Durañona