/TypeScript/How to update firebase document field angular

How to update firebase document field angular

updateDoc(_id: string, _value: string) {
  let doc = this.afs.collection('options', ref => ref.where('id', '==', _id));
  doc.snapshotChanges().pipe(
    map(actions => actions.map(a => {                                                      
      const data = a.payload.doc.data();
      const id = a.payload.doc.id;
      return { id, ...data };
    }))).subscribe((_doc: any) => {
     let id = _doc[0].payload.doc.id; //first result of query [0]
     this.afs.doc(`options/${id}`).update({rating: _value});
    })
}

Source: stackoverflow.com

Similar codes

0 vote301 views1 answer
Ts console.log
TypeScript
0 vote293 views1 answer
How to setup netflix workflow worker
TypeScript
1 vote290 views1 answer
How to delete the spec.ts file in project all togethre
TypeScript
0 vote307 views1 answer
Curl send 100 requests parallel
TypeScript
0 vote282 views1 answer
Check if drive exists c#
TypeScript
0 vote316 views1 answer
Limit characters and have three dots after in angular 6
TypeScript
24 votes313 views4 answers
Children type typescript react'
TypeScript
0 vote304 views1 answer
Accessing widgets in screen manager kivy
TypeScript
0 vote354 views1 answer
Wc term_exists category
TypeScript
0 vote894 views1 answer
Nestjs fail on unknown properties
TypeScript