name : isoWeeksInYear.js !function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):e.dayjs_plugin_isoWeeksInYear=n()}(this,function(){"use strict";return function(e,n){n.prototype.isoWeeksInYear=function(){var e=this.isLeapYear(),n=this.endOf("y").day();return 4===n||e&&5===n?53:52}}});