无法在生产中构建离子应用程序，遇到节点模块错误

Question

我正在开发一个离子应用程序，当做离子cordova构建ios --prod 时 没有--prod标志就可以正常工作。

尝试使用--prod标记构建一个离子应用程序，但出现此错误 -

  

无法读取属性＆＃39;标记＆＃39;未定义的

这是我的package.json内容 -

"dependencies": {
    "@angular/common": "5.0.3",
    "@angular/compiler": "5.0.3",
    "@angular/compiler-cli": "5.0.3",
    "@angular/core": "5.0.3",
    "@angular/forms": "5.0.3",
    "@angular/http": "5.0.3",
    "@angular/platform-browser": "^5.0.3",
    "@angular/platform-browser-dynamic": "5.0.3"
    "devDependencies": {
    "@angular/cli": "^6.0.7",
    "@ionic/app-scripts": "^3.1.5",
    "@ngtools/webpack": "^1.9.4",
    "@types/jasmine": "^2.8.4",
    "@types/node": "^9.3.0",
    "codecov": "^3.0.0",
    "ionic": "3.20.0",
    "jasmine-core": "^2.9.1",
    "jasmine-spec-reporter": "^4.2.1",
    "karma": "^2.0.2",
    "karma-chrome-launcher": "^2.2.0",
    "karma-jasmine": "^1.1.1",
    "karma-mocha-reporter": "^2.2.5",
    "karma-remap-istanbul": "^0.6.0",
    "npm-install-webpack-plugin": "^4.0.5",
    "ts-node": "^4.1.0",
    "tslint": "^5.9.1",
    "tslint-eslint-rules": "^4.1.1",
    "typescript": "^2.9.1",
    "ws": "^4.0.0",
    "@angular-devkit/build-angular": "~0.6.6"
  }

我尝试了 npm install 并更新了打字稿和@ angular / cli，但没有运气。