/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 vote145 views1 answer
Array of linked lists in cpp
TypeScript
1 vote151 views1 answer
> [email protected] start > react-scripts start sh: react-scripts: command not found
TypeScript
0 vote147 views1 answer
Linux host file location
TypeScript
0 vote154 views1 answer
Ts number addition is concatenating like strings
TypeScript
16 votes176 views6 answers
Create react native app typescript
TypeScript
0 vote155 views1 answer
Pytest tests in subfolder
TypeScript
2 votes156 views2 answers
Angular jasmine mock http request
TypeScript
0 vote167 views1 answer
Regroupe les éléments de 2 tableaux java
TypeScript
3 votes149 views3 answers
Email validation pattern angular
TypeScript
0 vote149 views1 answer
Flights starting from in india
TypeScript