15 lines
464 B
JavaScript
15 lines
464 B
JavaScript
/**
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* Calculates the number of days since a given date.
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*
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* @param {string} day_string - The start date in "YYYY-MM-DD" format.
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* @returns {number} The number of days since the start date.
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*/
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function days_since (day_string) {
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var start_date = moment(day_string, "YYYY-MM-DD");
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var today = moment();
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var duration = moment.duration(today.diff(start_date));
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var days_since = parseInt(duration.asDays());
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return days_since;
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}
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module.exports = days_since; |