react-elegant-ui/esm/lib/flatMap.js

Elegant UI components, made by BEM best practices for react

/**
 * Flatten array
 *
 * Handler take basic item and return result item or array of it
 * and array will flatten
 */
export var flatMap = function (itemList, fn) {
  return itemList.reduce(function (prev, item) {
    var handledData = fn(item);
    return prev.concat(handledData);
  }, []);
};