/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 vote109 views1 answer
Typescript document.queryselector type
TypeScript
0 vote108 views1 answer
Print query from get_posts wordpress
TypeScript
0 vote129 views1 answer
Les différents types de cours
TypeScript
1 vote120 views1 answer
Vetur change tsconfig location
TypeScript
0 vote117 views1 answer
Select column values from array typescript
TypeScript
1 vote112 views1 answer
Json to object typescript
TypeScript
0 vote118 views1 answer
Typescript clearinterval not working
TypeScript
4 votes117 views1 answer
ERR_TOO_MANY_REDIRECTS wordpress
TypeScript
0 vote105 views1 answer
Git show which commit a tag points to
TypeScript
9 votes120 views4 answers
Error TS2564: Property 'description' has no initializer and is not definitely assigned in the constructor. in angular class
TypeScript