65 lines
2.5 KiB
JavaScript
65 lines
2.5 KiB
JavaScript
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import compareAsc from "../compareAsc/index.js";
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import add from "../add/index.js";
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import differenceInDays from "../differenceInDays/index.js";
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import differenceInHours from "../differenceInHours/index.js";
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import differenceInMinutes from "../differenceInMinutes/index.js";
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import differenceInMonths from "../differenceInMonths/index.js";
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import differenceInSeconds from "../differenceInSeconds/index.js";
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import differenceInYears from "../differenceInYears/index.js";
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import toDate from "../toDate/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name intervalToDuration
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* @category Common Helpers
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* @summary Convert interval to duration
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*
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* @description
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* Convert a interval object to a duration object.
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*
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* @param {Interval} interval - the interval to convert to duration
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*
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* @returns {Duration} The duration Object
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* @throws {TypeError} Requires 2 arguments
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* @throws {RangeError} `start` must not be Invalid Date
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* @throws {RangeError} `end` must not be Invalid Date
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*
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* @example
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* // Get the duration between January 15, 1929 and April 4, 1968.
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* intervalToDuration({
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* start: new Date(1929, 0, 15, 12, 0, 0),
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* end: new Date(1968, 3, 4, 19, 5, 0)
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* })
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* // => { years: 39, months: 2, days: 20, hours: 7, minutes: 5, seconds: 0 }
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*/
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export default function intervalToDuration(interval) {
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requiredArgs(1, arguments);
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var start = toDate(interval.start);
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var end = toDate(interval.end);
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if (isNaN(start.getTime())) throw new RangeError('Start Date is invalid');
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if (isNaN(end.getTime())) throw new RangeError('End Date is invalid');
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var duration = {};
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duration.years = Math.abs(differenceInYears(end, start));
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var sign = compareAsc(end, start);
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var remainingMonths = add(start, {
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years: sign * duration.years
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});
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duration.months = Math.abs(differenceInMonths(end, remainingMonths));
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var remainingDays = add(remainingMonths, {
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months: sign * duration.months
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});
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duration.days = Math.abs(differenceInDays(end, remainingDays));
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var remainingHours = add(remainingDays, {
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days: sign * duration.days
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});
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duration.hours = Math.abs(differenceInHours(end, remainingHours));
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var remainingMinutes = add(remainingHours, {
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hours: sign * duration.hours
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});
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duration.minutes = Math.abs(differenceInMinutes(end, remainingMinutes));
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var remainingSeconds = add(remainingMinutes, {
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minutes: sign * duration.minutes
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});
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duration.seconds = Math.abs(differenceInSeconds(end, remainingSeconds));
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return duration;
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}
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