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4 years ago
  1. 'use strict';
  2. function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
  3. module.exports = function mapSpread(fn) {
  4. return this.map(function (values, key) {
  5. return fn.apply(undefined, _toConsumableArray(values).concat([key]));
  6. });
  7. };