我在运行IONIC 3的应用程序中遇到此错误“找不到模块'@ angular / core'”

Question

我使用的是ionic 3应用程序，所有从angular导入都被标记为“找不到模块”，并且根本没有显示任何帖子。

如何使该应用正常运行。 我已经删除了两次node_modules文件夹并进行了npm安装，但是没有机会。

我的package.json

{

  "dependencies": {
    "@angular/animations": "5.2.11",
    "@angular/common": "5.2.11",
    "@angular/compiler": "5.2.11",
    "@angular/compiler-cli": "^8.2.3",
    "@angular/core": "5.2.11",
    "@angular/forms": "5.2.11",
    "@angular/http": "5.2.11",
    "@angular/platform-browser": "5.2.11",
    "@angular/platform-browser-dynamic": "5.2.11",
    "@ionic-native/app-rate": "^4.17.0",
    "@ionic-native/core": "~4.15.0",
    "@ionic-native/email-composer": "^4.17.0",
    "@ionic-native/in-app-browser": "^4.17.0",
    "@ionic-native/onesignal": "^4.17.0",
    "@ionic-native/social-sharing": "^4.17.0",
    "@ionic-native/splash-screen": "~4.15.0",
    "@ionic-native/status-bar": "~4.15.0",
    "@ionic/storage": "2.2.0",
    "cordova-android": "^8.0.0",
    "cordova-plugin-apprate": "^1.4.0",
    "cordova-plugin-device": "^2.0.2",
    "cordova-plugin-dialogs": "^2.0.1",
    "cordova-plugin-email-composer": "^0.8.15",
    "cordova-plugin-globalization": "^1.11.0",
    "cordova-plugin-inappbrowser": "^3.0.0",
    "cordova-plugin-ionic-keyboard": "^2.1.3",
    "cordova-plugin-ionic-webview": "^2.2.3",
    "cordova-plugin-nativestorage": "^2.3.2",
    "cordova-plugin-splashscreen": "^5.0.2",
    "cordova-plugin-statusbar": "^2.4.2",
    "cordova-plugin-whitelist": "^1.3.3",
    "cordova-plugin-x-socialsharing": "^5.4.1",
    "es6-promise-plugin": "^4.2.2",
    "ionic-angular": "3.9.2",
    "ionicons": "3.0.0",
    "onesignal-cordova-plugin": "^2.4.5",
    "rxjs": "5.5.11",
    "sw-toolbox": "3.6.0",
    "zone.js": "0.8.26"
  },
  "devDependencies": {
    "@ionic/app-scripts": "^3.2.4",
    "typescript": "~2.6.2"
  },
  }
}