Razzwan

import { YMInitializer } from 'react-yandex-metrika';

class MyComponent extends React.Component {
  render() {
    return (
      <div>
        // SNIP
          <YMInitializer accounts={[987654321]} />
        // SNIP
      </div>
    );
  }
});

// И потом используем так:
import ym from 'react-yandex-metrika';
ym('hit', '/cart');
ym('reachGoal', 'whateverGoal', {awesomeParameter: 42});