flatMap.mjs

// Workaround to make older Flow versions happy
var flatMapMethod = Array.prototype.flatMap;
/* eslint-disable no-redeclare */
// $FlowFixMe

var flatMap = flatMapMethod ? function (list, fn) {
  return flatMapMethod.call(list, fn);
} : function (list, fn) {
  var result = [];

  for (var _i2 = 0; _i2 < list.length; _i2++) {
    var _item = list[_i2];
    var value = fn(_item);

    if (Array.isArray(value)) {
      result = result.concat(value);
    } else {
      result.push(value);
    }
  }

  return result;
};
export default flatMap;