balascript

export class CoffeeBrewer{
     constructor(name) {
       this.beanName = name;
     }
  
     brew() {
       console.log("brewing...", this.beanName);
     }
}

balascript

export const CoffeeComponent = (props) => {
  const coffeeBrewer = new CoffeeBrewer("DarkRoast");

  return (
    <TouchableView
      onPress={() => {
        coffeeBrewer.brew();
      }}>
      <Text>Press me!</Text>
    </TouchableView>

balascript

export const AnotherCoffeeComponent = props => {
    const { coffeeBrewer: { brew } } = props;

    return (
      <TouchableView
        onPress={brew}
      >
        <Text>Press me!</Text>
      </TouchableView>
    );

balascript

export class CoffeeBrewer{
    constructor(name) {
      this.beanName = name;
    }

    brew = () => {
      console.log("brewing...", this.beanName);
    }
 }