Ionic:向app.module.ts文件添加angularfirebase2时生成失败

Question

我正在努力使angulafirebase2在我的离子项目中工作。我简单地按照Ionic3 here的安装/设置说明进行操作

当我在我的app.module.ts文件中添加import { AngularFireModule } from 'angularfire2';并点击ionic cordova build时，我得到了如下图所示的错误：

​

如果我注释掉import angulafirebase2这一行，则应用程序构建成功...

这是我的package.json文件：

  "dependencies": {
"@angular/animations": "^5.2.3",
"@angular/common": "^5.2.3",
"@angular/compiler": "^5.2.3",
"@angular/compiler-cli": "^5.2.3",
"@angular/core": "^5.2.3",
"@angular/forms": "^5.2.3",
"@angular/http": "^5.2.3",
"@angular/platform-browser": "^5.2.3",
"@angular/platform-browser-dynamic": "^5.2.3",
"@angular/platform-server": "^5.2.3",
"@angular/router": "^5.2.3",
"@angular/tsc-wrapped": "^4.4.6",
"@backand/angular2-sdk": "^1.2.13",
"@ionic-native/core": "^4.5.3",
"@ionic-native/geolocation": "^4.5.3",
"@ionic-native/google-maps": "^4.5.3",
"@ionic-native/photo-viewer": "^4.5.3",
"@ionic-native/splash-screen": "^4.5.3",
"@ionic-native/sqlite": "^4.5.3",
"@ionic-native/status-bar": "^4.5.3",
"@ionic/storage": "1.1.7",
"@types/googlemaps": "^3.30.5",
"angularfire2": "^5.0.0-rc.5-next",
"autoprefixer": "^7.2.5",
"com-sarriaroman-photoviewer": "^1.1.11",
"cordova-android": "^6.4.0",
"cordova-ios": "4.2.0",
"cordova-plugin-console": "1.0.5",
"cordova-plugin-device": "1.1.4",
"cordova-plugin-geolocation": "~2.4.3",
"cordova-plugin-googlemaps": "^2.2.2",
"cordova-plugin-inappbrowser": "~1.7.1",
"cordova-plugin-splashscreen": "~4.0.1",
"cordova-plugin-statusbar": "2.2.1",
"cordova-plugin-whitelist": "1.3.1",
"cordova-sqlite-storage": "^2.2.0",
"cordova-windows": "4.4.2",
"firebase": "^4.9.0",
"gulp": "^3.9.1",
"gulp-sass": "^3.1.0",
"ionic-angular": "2.0.1",
"ionic-native": "^2.9.0",
"ionic-plugin-keyboard": "~2.2.1",
"ionic2-numericpicker": "^1.3.0",
"ionicons": "3.0.0",
"jQuery": "^1.7.4",
"jquery": "^3.2.1",
"ngx-clipboard": "^9.1.3",
"promise-polyfill": "7.0.2",
"reflect-metadata": "^0.1.12",
"rxjs": "5.0.0-beta.12",
"save": "^2.3.2",
"sw-toolbox": "3.4.0",
"zone.js": "0.6.26"

}，"devDependencies"：{ "@angular/cli"："^1.6.7"，"@ionic/app-scripts"："1.1.0"，"@types/googlemaps"："^3.29.2"，"typescript"："^2.7.1“}，

Answer 1

对于离子(3等)，你应该小心你正在使用的typescript的版本。

在你的package.json中，将版本锁定为2.4.2："typescript"："2.4.2“

并进行降级(修改package.json后通过npm更新)

请试一下这个。应该能解决你的问题。

请参阅本指南，以确保您的依赖项处于良好的位置：https://forum.ionicframework.com/t/guide-how-to-update-to-ionic-3-x/87516

我还在我的一个应用程序中复制了以下devdependency中的内容：

"devDependencies": {
"@ionic/app-scripts": "^3.1.2",
"ionic": "^3.19.0",
"typescript": "2.4.2"

},