flame/client/src/utility/checkVersion.ts

import axios from 'axios';
import { store } from '../store/store';
import { createNotification } from '../store/actions';

export const checkVersion = async (isForced: boolean = false) => {
  try {
    const res = await axios.get<string>('https://raw.githubusercontent.com/pawelmalak/flame/master/client/.env');

    const githubVersion = res.data
      .split('\n')
      .map(pair => pair.split('='))[0][1];

    if (githubVersion !== process.env.REACT_APP_VERSION) {
      store.dispatch<any>(createNotification({
        title: 'Info',
        message: 'New version is available!'
      }))
    } else if (isForced) {
      store.dispatch<any>(createNotification({
        title: 'Info',
        message: 'You are using the latest version!'
      }))
    }
  } catch (err) {
    console.log(err);
  }
}