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rocoderes > JavaScript > Javascript – Output all documents in a nested collection
JavaScript

Javascript – Output all documents in a nested collection

Admin
Last updated: 2023/12/10 at 1:30 PM
Admin
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Output all documents in a nested collection

Problem:

I’m trying to have all the documents in a collection printed out to me. However, the following code is not executed or I cannot get into the forEach loop. I have a nested collection in Firestore.
users//entries/uuid()/doc

Contents
Problem:Solution:

enter image description here

  const querySnapshot = await getDocs(collection(db, "eintraege"));
  querySnapshot.forEach((doc) => {
    // Never executed
    console.log(doc.id, " => ", doc.data());
  });

Solution:

The for loop is not executed because you’re using an incomplete reference. If you want to query the eintraege subcollection, then you have to use the following reference:

const querySnapshot = await getDocs(collection(db, "users", "benj...@gmx.de" "eintraege"));

Where users is the top-level collection, "benj...@gmx.de" is the ID of the document, and eintraege is the subcollection.

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