class MyComponent extends PureComponent {
  constructor(props) {
    if (this.props.cloudId) {
      this.props.fetchData(this.props.cloudId);
    } else {
      this.waitForCloudId = () => {
        if (this.props.cloudId) {
          this.props.fetchData(this.props.cloudId);
        } else {
          setTimeout(this.waitForCloudId, 100);
        }
      };
      setTimeout(this.waitForCloudId, 100);
    }
  }
}