joining multiple documents in cloud firestore
let users = {} ; let loadedPosts = {}; db.collection('users').get().then((results) => { results.forEach((doc) => { users[doc.id] = doc.data(); }); posts = db.collection('posts').orderBy('timestamp', 'desc').limit(3); posts.get().then((docSnaps) => { docSnaps.forEach((doc) => { loadedPosts[doc.id] = doc.data(); loadedPosts[doc.id].userName = users[doc.data().uid].name; }); });
joining multiple documents in cloud firestore
let loadedPosts = {}; posts = db.collection('posts') .orderBy('timestamp', 'desc') .limit(3); posts.get() .then((docSnaps) => { docSnaps.forEach((doc) => { loadedPosts[doc.id] = doc.data(); db.collection('users').child(doc.data().uid).get().then((userDoc) => { loadedPosts[doc.id].userName = userDoc.data().name; }); }) });
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