19 lines
360 B
JavaScript
19 lines
360 B
JavaScript
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export default (function (o, c) {
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var proto = c.prototype;
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proto.weekYear = function () {
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var month = this.month();
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var weekOfYear = this.week();
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var year = this.year();
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if (weekOfYear === 1 && month === 11) {
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return year + 1;
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}
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if (month === 0 && weekOfYear >= 52) {
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return year - 1;
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}
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return year;
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};
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});
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