Marc Mintel
5397309103
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50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
"use strict";
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exports.milliseconds = milliseconds;
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var _index = require("./constants.cjs");
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/**
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* @name milliseconds
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* @category Millisecond Helpers
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* @summary
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* Returns the number of milliseconds in the specified, years, months, weeks, days, hours, minutes and seconds.
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*
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* @description
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* Returns the number of milliseconds in the specified, years, months, weeks, days, hours, minutes and seconds.
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*
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* One years equals 365.2425 days according to the formula:
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*
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* > Leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400.
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* > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days
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*
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* One month is a year divided by 12.
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*
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* @param duration - The object with years, months, weeks, days, hours, minutes and seconds to be added.
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*
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* @returns The milliseconds
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*
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* @example
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* // 1 year in milliseconds
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* milliseconds({ years: 1 })
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* //=> 31556952000
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*
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* // 3 months in milliseconds
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* milliseconds({ months: 3 })
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* //=> 7889238000
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*/
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function milliseconds({ years, months, weeks, days, hours, minutes, seconds }) {
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let totalDays = 0;
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if (years) totalDays += years * _index.daysInYear;
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if (months) totalDays += months * (_index.daysInYear / 12);
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if (weeks) totalDays += weeks * 7;
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if (days) totalDays += days;
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let totalSeconds = totalDays * 24 * 60 * 60;
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if (hours) totalSeconds += hours * 60 * 60;
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if (minutes) totalSeconds += minutes * 60;
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if (seconds) totalSeconds += seconds;
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return Math.trunc(totalSeconds * 1000);
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}
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