Integração React
Se você deseja ter um controle melhor da IU do seu aplicativo Você pode usar @openpix/react para criar facilmente novas cobranças e receber atualizações de status de pagamento.
Como instalar
yarn add @openpix/react
Configurar Polyfills
Este plugin usa o core-js para polyfill Promises
Instale core-js
yarn add core-js
Adicione seu entrypoint do seu App
import 'core-js/stable';
Usando com React
import 'core-js/stable';
import { useState } from 'react';
import { useOpenPix } from '@openpix/react';
import QRCode from 'qrcode.react';
const App = () => {
  const [charge, setCharge] = useState(null);
  
  const onPay = (charge) => {
    // TODO do something
    console.log('charge was paid');
  }
  const { chargeCreate } = useOpenPix({
    appID: process.env.APP_ID,
    onPay,
  });
  const newCharge = async () => {
    const payload = {
      correlationID: 'myCorrelationID',
      value: 1, // one cent
      comment: 'Donate',
    }
    const { charge, error } = await chargeCreate(payload);
    if (error) {
      setError(error);
      return;
    }
    setCharge(charge);
  }
  if (charge) {
    return (
      <QRCode
        size={200}
        renderAs={'svg'}
        value={charge.brCode}
        includeMargin={false}
      />
    );
  }
  return (
    <>
      <button onClick={newCharge}>
        Create New Charge
      </button>
    </>
  )
}
Usando com React Native ou Expo
import 'core-js/stable';
import { useState } from 'react';
import { useOpenPix } from '@openpix/react';
import QRCode from 'react-native-qrcode-svg';
const App = () => {
  const [charge, setCharge] = useState(null);
  
  const onPay = (charge) => {
    // TODO do something
    console.log('charge was paid');
  }
  const { chargeCreate } = useOpenPix({
    appID: process.env.APP_ID,
    onPay,
  });
  const newCharge = async () => {
    const payload = {
      correlationID: 'myCorrelationID',
      value: 1, // one cent
      comment: 'Donate',
    }
    const { charge, error } = await chargeCreate(payload);
    if (error) {
      setError(error);
      return;
    }
    setCharge(charge);
  }
  if (charge) {
    return (
      <QRCode
        size={200}
        value={charge.brCode}
      />
    );
  }
  return (
    <>
      <button onClick={newCharge}>
        Create New Charge
      </button>
    </>
  )
}