Query firestore database for document id

Question

I want to query a firestore database for document id. Currently I have the following code:

db.collection(\'books\').where(\'id\', \'==\', \'fK3ddutEpD2qQqRMX         


        

Answer 1

You can get a document by its id following this pattern:

firebase
  .firestore()
  .collection("Your collection")
  .doc("documentId")
  .get()
  .then((docRef) => { console.log(docRef.data()) })
  .catch((error) => { })