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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 max(key) {
  4. if (typeof key === 'string') {
  5. var filtered = this.items.filter(function (item) {
  6. return item[key] !== undefined;
  7. });
  8. return Math.max.apply(Math, _toConsumableArray(filtered.map(function (item) {
  9. return item[key];
  10. })));
  11. }
  12. return Math.max.apply(Math, _toConsumableArray(this.items));
  13. };