I'm trying to set data with this function and its not setting the variable. How can I set information for outside use with this?
Here is my code
const docRef = store.collection('users').doc(item.email)
var image;
docRef.onSnapshot((doc) => {
if (doc.exists) {
image = doc.data().picture
}
})
How can I set the image variable within this function to use outside the onSnapshot? This is a React JS project.
In react you should handle data in state
import React ,{useState} from 'react';
const [image,setImage] = useState('');
const docRef = store.collection('users').doc(item.email);
docRef.onSnapshot((doc) => {
if (doc.exists) {
setImage(doc.data().picture) // Set Image Here
} })
now you can work with image const outside the onSnapshot scoop