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