In Firebase

Create a project in Firebase and click on 'Add an application' and 'Web'

In the application

npm install firebase

In src/app/app.component.ts, add :

import * as firebase from 'firebase';
...
export class AppComponent {
  ...
  constructor() {
    const config = {
      <!-- Copy/Paste the given resources : -->
      apiKey: ...
      ...
      appId: ...
    };
    firebase.initializeApp(config);
  }
}

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DID RUN npm audit and npm audit fix

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