gistfile1.txt

import Promise from 'bluebird';

export default function fetchComponentsData(dispatch, components, query, params) {
    const promises = components
      .filter(current => current)
      .map(current => {
        const component = current.WrappedComponent ? current.WrappedComponent : current;

        return component.fetchData
            ? component.fetchData(dispatch, params, query, params.prefix)
            : null;
    });

    return Promise.all(promises);
}



class Layout extends React.Component {

  constructor(props) {
    super(props);
    this.handlerScroll = this.handlerScroll.bind(this);
    this.loadCarts = this.props.loadCarts.bind(this);
  }

  static fetchData(dispatch, params = {}, query = {}, prefix=null) {
      return Promise.all(
          [
            dispatch(actionsSearch.loadCountry(params, query, prefix)),
            dispatch(actionsItem.loadCarts(params, query, prefix)),
          ]
      );
  }
  ....