angularfire2 transactions and batch writes in firestore

Question

How can I do batch writes/run transactions with firestore in an angular2 app?

https://firebase.google.com/docs/firestore/manage-data/transactions

If it's possible, how can I convert the JS code to TS code in an angular2 app.

Answer 1

It's simple:

constructor(private db: AngularFirestore){}
    
inserting(){
        //--create batch-- 
        let batch = this.db.firestore.batch();
        
        //--create a reference-- 
        const userRef = this.db.collection('users').doc('women').ref;
        batch.set(userRef , {
          name: "Maria"
        });
        
        //--create a reference-- 
        const userRef = this.db.collection('users').doc('men').ref;
        batch.set(userRef , {
          name: "Diego"
        });
        
        //--Others more 54 batch's--
        
        //--finally--
        return batch.commit();
    }