/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 vote114 views1 answer
Geodataframe from lat lon points python
TypeScript
0 vote118 views1 answer
How to delete a message by its id
TypeScript
0 vote119 views1 answer
Increment all elements list python
TypeScript
2 votes109 views1 answer
How to send information from javascript to flask route
TypeScript
0 vote129 views1 answer
Typescript array of empty objects
TypeScript
0 vote115 views3 answers
Typescript with babel
TypeScript
0 vote109 views1 answer
Ngclass stackoverflow
TypeScript
0 vote203 views1 answer
Cannot find module 'date-fns' or its corresponding type declarations.ts(2307)
TypeScript
0 vote149 views1 answer
How to make objects move in roblox studio with a loop
TypeScript
0 vote106 views2 answers
Verify if room exists in socket.io
TypeScript