icecream-no-memory-leak-react.js

class AppComponent {
  constructor () {
    this.count = 5;
    this.onResize = this._onResize.bind(this);
  }

  componentDidMount () {
    window.addEventListener('resize', this.onResize)
  }

  componentWillUnmount () {
    window.removeEventListener('resize', this.onResize);
  }

  async _onResize () {
    await fetchIceCreams(this.count);
  }
}