/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 vote94 views1 answer
Local Variable in Jenkins
TypeScript
1 vote96 views1 answer
Why does the Circum-Pacific belt of earthquakes coincide with the Pacific ring of fire
TypeScript
0 vote102 views1 answer
Init Lambda based on typescript
TypeScript
0 vote103 views2 answers
Extend type typescript
TypeScript
1 vote123 views1 answer
Adonis identify method
TypeScript
1 vote102 views1 answer
Next js onclick navigate
TypeScript
0 vote116 views1 answer
Test coverage techniques
TypeScript
1 vote108 views1 answer
Vue router mode history typescript
TypeScript
45 votes255 views5 answers
Yarn create react app typescript
TypeScript
0 vote136 views1 answer
Typeorm where in example
TypeScript