where firestore code example
Example 1: how to query in firestore
db.collection("cities").where("capital", "==", true)
.get()
.then(function(querySnapshot) {
querySnapshot.forEach(function(doc) {
// doc.data() is never undefined for query doc snapshots
console.log(doc.id, " => ", doc.data());
});
})
.catch(function(error) {
console.log("Error getting documents: ", error);
});
Example 2: collection get firesotre
async getMarker() {
const snapshot = await firebase.firestore().collection('events').get()
return snapshot.docs.map(doc => doc.data());
}