gistfile1.txt

Parent App.js
########################

const BonusContext = React.createContext(false);

class App extends Component {

static contextType = BonusContext;

  render() {

    return(
    <li className={ this.contaxt ? 'current' : '' }>
      <NavLink
         exact
         to="/bonuses"
         data-hover="Alla Bonusar">
         Alla Bonusar
       </NavLink>
     </li>
     );
   }
 }






Child component  Bonuses.js
#########################

const BonusContext = React.createContext(true);
class Bonuses extends Component {  
...