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https://github.com/emmanuellaalbuquerque/estudos-firebase

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Host: GitHub
URL: https://github.com/emmanuellaalbuquerque/estudos-firebase
Owner: EmmanuellaAlbuquerque
Created: 2024-03-17T19:54:33.000Z (10 months ago)
Default Branch: main
Last Pushed: 2024-03-19T16:14:54.000Z (10 months ago)
Last Synced: 2024-10-23T13:44:37.760Z (3 months ago)
Language: JavaScript
Size: 4.79 MB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

Awesome Lists containing this project

README

        # Estudos Firebase

![Logo do projeto](.github/assets/LogoDoProjeto.png)

## Firestore Database

### Cloud Firestore

- Banco de dados não-relacional

- Baseado em Coleções e Documentos

> **Ex.: Na Coleção Users** => \

> Cada usuário é um documento!

### Com Doc Ref

- Busca uma única vez e encerra a conexão

```jsx

// Com document reference

const docRef = doc(db, "nomeDoDoc", "idDoDoc")

getDoc(docRef).then((snapshot) => {

	const data = snapshot.data();

})

```

### Com Snapshot - Realtime

- Observer - “Olheiro”

```jsx

// Com snapshot - Realtime

const docRef = doc(db, "nomeDoDoc", "idDoDoc")

onSnapshot(docRef, (doc) => {

	const data = doc.data();

})

```

![Snapshot (Realtime) - Projeto Expo with Firebase ](.github/assets/onSnapshotRealtimeObserver.png)