Error: Cannot find module "angularfire2/database-deprecated" appmodule ionic 3, Angularfire2

Biswajit

I am try to connect to database in firebase. Here is the app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { ErrorHandler, NgModule } from '@angular/core';
import { IonicApp, IonicErrorHandler, IonicModule } from 'ionic-angular';
import { SplashScreen } from '@ionic-native/splash-screen';
import { StatusBar } from '@ionic-native/status-bar';

import { AngularFireDatabase, AngularFireDatabaseModule } from 'angularfire2/database';

import { AngularFireModule } from 'angularfire2';
import { environment } from '../environments/environment';

import { MyApp } from './app.component';
import { HomePage } from '../pages/home/home';

@NgModule({
  declarations: [
    MyApp,
    HomePage
  ],
  imports: [
    BrowserModule,
    IonicModule.forRoot(MyApp),
    AngularFireModule.initializeApp(environment.firebase),
    AngularFireDatabaseModule
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp,
    HomePage
  ],
  providers: [
    AngularFireDatabase,
    StatusBar,
    SplashScreen,
    {provide: ErrorHandler, useClass: IonicErrorHandler}
  ]
})
export class AppModule {}

The error is in this line

import { AngularFireDatabase, AngularFireDatabaseModule } from 'angularfire2/database';

I have tried this also import { AngularFireDatabase, AngularFireDatabaseModule } from 'angularfire2/database-deprecated';

But the the error just change.

Runtime Error Cannot find module "angularfire2/database" Stack Error: Cannot find module "angularfire2/database" at Object.217 (http://localhost:8100/build/main.js:78:7) at webpack_require (http://localhost:8100/build/vendor.js:55:30) at Object.194 (http://localhost:8100/build/main.js:60:70) at webpack_require (http://localhost:8100/build/vendor.js:55:30) at webpackJsonpCallback (http://localhost:8100/build/vendor.js:26:23) at http://localhost:8100/build/main.js:1:1

Gurbela

Just read this documentation

in terminal: npm install firebase --save

In your app.module.ts create firebase config object:

// Set the configuration for your app
// TODO: Replace with your project's config object
var config = {
  apiKey: "apiKey",
  authDomain: "projectId.firebaseapp.com",
  databaseURL: "https://databaseName.firebaseio.com",
  storageBucket: "bucket.appspot.com"
};
firebase.initializeApp(config);

// Get a reference to the database service
var database = firebase.database();

After the call on Page .ts:

import * as firebase from 'firebase';

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