dsafreno

import React, { useReducer, useEffect, useRef } from 'react';
import firebase from 'firebase/app';
import equal from 'deep-equal';

function filterKeys(raw, allowed) {
  if (!raw) {
    return raw;
  }
  let s = new Set(allowed);
  return Object.keys(raw)

dsafreno

class Example extends React.Component {
  componentDidMount() {
    // first time we got data!
  }
  render() {
    let {user, team} = this.props;
    // don't need to null check since we await the data!
  }
}

dsafreno

class Example extends React.Component {
  constructor(props) {
    super(props);
    this.state = { user: null, team: null };
  }
  componentDidMount() {
    let {userId, teamId} = this.props;
    // subscribe to user data
    let userRef = firebase.database().ref(`users/${userId}`);
    let userOff = userRef.on('value', (snap) => {

dsafreno

import React from 'react';
import firebase from 'firebase/app';
import equal from 'deep-equal';

function filterKeys(raw, allowed) {
  if (!raw) {
    return raw;
  }
  let s = new Set(allowed);
  return Object.keys(raw)