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- 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;
- }
-
- if (month === 0 && weekOfYear >= 52) {
- return year - 1;
- }
-
- return year;
- };
- });
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