54 lines
2.0 KiB
JavaScript
54 lines
2.0 KiB
JavaScript
import requiredArgs from "../_lib/requiredArgs/index.js";
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// Leap year occures every 4 years, except for years that are divisable by 100 and not divisable by 400.
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// 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days
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var daysInYear = 365.2425;
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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 occures every 4 years, except for years that are divisable by 100 and not divisable 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} duration - the object with years, months, weeks, days, hours, minutes and seconds to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
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* @returns {number} the milliseconds
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* @throws {TypeError} 1 argument required
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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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export default function milliseconds(_ref) {
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var years = _ref.years,
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months = _ref.months,
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weeks = _ref.weeks,
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days = _ref.days,
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hours = _ref.hours,
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minutes = _ref.minutes,
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seconds = _ref.seconds;
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requiredArgs(1, arguments);
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var totalDays = 0;
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if (years) totalDays += years * daysInYear;
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if (months) totalDays += months * (daysInYear / 12);
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if (weeks) totalDays += weeks * 7;
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if (days) totalDays += days;
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var 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.round(totalSeconds * 1000);
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} |