25 lines
732 B
JavaScript
25 lines
732 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = startOfUTCISOWeek;
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var _index = _interopRequireDefault(require("../../toDate/index.js"));
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var _index2 = _interopRequireDefault(require("../requiredArgs/index.js"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function startOfUTCISOWeek(dirtyDate) {
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(0, _index2.default)(1, arguments);
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var weekStartsOn = 1;
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var date = (0, _index.default)(dirtyDate);
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var day = date.getUTCDay();
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var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;
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date.setUTCDate(date.getUTCDate() - diff);
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date.setUTCHours(0, 0, 0, 0);
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return date;
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}
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module.exports = exports.default;
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