Typescript Error

[hahuy95]

Typescript Error
Class 'FirebaseApp' incorrectly implements interface 'App'. Property 'firestore' is missing in type 'FirebaseApp'.

...c2_firebase_shopping_cart/node_modules/angularfire2/app/firebase.app.module.d.ts

export declare const FirebaseAppConfigToken: InjectionToken<FirebaseAppConfig>;
export declare class FirebaseApp implements firebase.app.App { name: string;

https://b.top4top.net/p_8673mmjf1.jpg

[pkworlz]

Just downgrade firebase version using the following:

First go to your project directory and then issue this command

npm install --save firebase@3.9.*
it worked for me.