Context API index

index.js

import React from "react";
import ReactDOM from "react-dom";

import App from "./App";
import { Provider } from "./GlobalState";
import reducer, { initialState } from "./reducer";

const rootElement = document.getElementById("root");
ReactDOM.render(
  <React.StrictMode>
    <Provider initialState={initialState} reducer={reducer}>
      <App />
    </Provider>
  </React.StrictMode>,
  rootElement
);