Example using react with channels

ReactChannels.jsx

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

import Channel from '@nodeguy/channel'

const ch = Channel()
export class Generators {
    static async waitAndRetrieve() {
        const r = await ch.shift()
        console.log(r);
        
        if(!r) {
            console.log('promise already resolved');
        }
    }
    
    static actionPromise() {
        return new Promise(resolve => {
            setTimeout(async () => {
                resolve()
                console.log('done!')
                await ch.push('pushed to channel')
                await ch.close()
            }, 2000)
        })
    }
}

class MyComponent extends Component {
  async componentDidMount() {
    await Generators.waitAndRetrieve()

    setTimeout(async () => {
      await Generators.waitAndRetrieve()
    }, 3000)
  }

  render() {
    return <h1>I'm a child component</h1>
  }
}

class App extends Component {
  async componentDidMount() {
    await Generators.actionPromise()
  }

  render() {
    return (
      <div className="App">
        <header className="App-header">
          <img src={logo} className="App-logo" alt="logo" />
          <p>
            Edit <code>src/App.js</code> and save to reload.
          </p>
          <a
            className="App-link"
            href="https://reactjs.org"
            target="_blank"
            rel="noopener noreferrer"
          >
            Learn React
          </a>
        </header>
        <MyComponent />
      </div>
    );
  }
}

export default App;