index.js 287 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 export default (function (o, c) { var proto = c.prototype; proto.weekYear = function () { var month = this.month(); var weekOfYear = this.week(); var year = this.year(); if (weekOfYear === 1 && month === 11) { return year + 1; } return year; }; });