App Structure.js

import React, { Component } from "react";
import ReactDOM from "react-dom";
// import debounce from "lodash.debounce";
import throttle from "lodash.throttle";

import "./styles.css";

import { getContent } from "./ContentRepo";

class App extends Component {
  state = { posts: [], isBottomReached: false };
  repo = getContent();

  getNextPosts = async () => { ... }

  throttledWindowHandler = throttle(...);
                              
  windowSizeHandler = e => { ... }

  async componentDidMount() { ... }

  componentWillUnmount() { ... }

  loadMoreStories = () => { ... }

  render() { ... }
}