https://mailoji.com/scripts/database.js

1const database = firebase.firestore();
2
3const db = {
4
5	Get : async function(collection,document){
6		const docRef = database.collection(collection).doc(document);
7		return docRef.get().then(function(doc) {
8	    if (doc.exists) {
9	      return doc.data();
10	    } else {
11	      return null;
12	    }
13		}).catch(function(error) {
14			console.log(error);
15		  return null;
16		});	
17	},
18
19	Find : async function(collection,field,value){
20		const ref = database.collection(collection).where(field, '==', value);
21		const snapshot = await ref.get();
22		const docs = [];
23		snapshot.forEach((doc) => {
24			const data = doc.data();
25			data.id = doc.id;
26		  docs.push(data);
27		});
28		return docs;		
29	},
30
31	Update : async function(collection,document,data){
32		return database.collection(collection).doc(document).update(data);
33	}
34
35}
36