purchase-let/node_modules/dayjs/plugin/isLeapYear.js

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).dayjs_plugin_isLeapYear=t()}(this,(function(){"use strict";return function(e,t){t.prototype.isLeapYear=function(){return this.$y%4==0&&this.$y%100!=0||this.$y%400==0}}}));