DVC CRA Blocking Example

dvc-blocking-App.js

import logo from './logo.svg';
import './App.css';
import { useDVCVariable } from '@devcycle/devcycle-react-sdk'

const variableKey = 'your variable name'

function App() {
  const variable = useDVCVariable(variableKey, false)
  return (
    <div className="App">
      <header className="App-header">
        <img src={logo} className="App-logo" alt="logo" />
        <p>{variable.value ? "Variable is true" : "Variable is false"}</p>
        <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>
    </div>
  );
}

export default App

index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
import { asyncWithDVCProvider } from '@devcycle/devcycle-react-sdk';

(async () => {
  const envKey = 'your env key'
  const DVCProvider = await asyncWithDVCProvider({ envKey, user: { isAnonymous: true } })
  ReactDOM.render(
      <DVCProvider>
        <App />
      </DVCProvider>,
    document.getElementById('root')
  );
})()

// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();