�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` 'use strict'; var implementation = require('./implementation'); var lacksProperEnumerationOrder = function () { if (!Object.assign) { return false; } /* * v8, specifically in node 4.x, has a bug with incorrect property enumeration order * note: this does not detect the bug unless there's 20 characters */ var str = 'abcdefghijklmnopqrst'; var letters = str.split(''); var map = {}; for (var i = 0; i < letters.length; ++i) { map[letters[i]] = letters[i]; } var obj = Object.assign({}, map); var actual = ''; for (var k in obj) { actual += k; } return str !== actual; }; var assignHasPendingExceptions = function () { if (!Object.assign || !Object.preventExtensions) { return false; } /* * Firefox 37 still has "pending exception" logic in its Object.assign implementation, * which is 72% slower than our shim, and Firefox 40's native implementation. */ var thrower = Object.preventExtensions({ 1: 2 }); try { Object.assign(thrower, 'xy'); } catch (e) { return thrower[1] === 'y'; } return false; }; module.exports = function getPolyfill() { if (!Object.assign) { return implementation; } if (lacksProperEnumerationOrder()) { return implementation; } if (assignHasPendingExceptions()) { return implementation; } return Object.assign; };