import { Q, M, D } from '../../constant';
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export default (function (o, c) {
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var proto = c.prototype;
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proto.quarter = function (quarter) {
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if (!this.$utils().u(quarter)) {
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return this.month(this.month() % 3 + (quarter - 1) * 3);
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}
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return Math.ceil((this.month() + 1) / 3);
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};
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var oldAdd = proto.add;
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proto.add = function (number, units) {
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number = Number(number); // eslint-disable-line no-param-reassign
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var unit = this.$utils().p(units);
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if (unit === Q) {
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return this.add(number * 3, M);
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}
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return oldAdd.bind(this)(number, units);
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};
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var oldStartOf = proto.startOf;
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proto.startOf = function (units, startOf) {
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var utils = this.$utils();
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var isStartOf = !utils.u(startOf) ? startOf : true;
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var unit = utils.p(units);
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if (unit === Q) {
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var quarter = this.quarter() - 1;
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return isStartOf ? this.month(quarter * 3).startOf(M).startOf(D) : this.month(quarter * 3 + 2).endOf(M).endOf(D);
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}
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return oldStartOf.bind(this)(units, startOf);
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};
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});
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