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 王天杨
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import { add } from "./add.mjs";
import { differenceInDays } from "./differenceInDays.mjs";
import { differenceInHours } from "./differenceInHours.mjs";
import { differenceInMinutes } from "./differenceInMinutes.mjs";
import { differenceInMonths } from "./differenceInMonths.mjs";
import { differenceInSeconds } from "./differenceInSeconds.mjs";
import { differenceInYears } from "./differenceInYears.mjs";
import { toDate } from "./toDate.mjs";
/**
* @name intervalToDuration
* @category Common Helpers
* @summary Convert interval to duration
*
* @description
* Convert a interval object to a duration object.
*
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param interval - The interval to convert to duration
*
* @returns The duration object
*
* @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 function intervalToDuration(interval) {
const start = toDate(interval.start);
const end = toDate(interval.end);
const duration = {};
const years = differenceInYears(end, start);
if (years) duration.years = years;
const remainingMonths = add(start, { years: duration.years });
const months = differenceInMonths(end, remainingMonths);
if (months) duration.months = months;
const remainingDays = add(remainingMonths, { months: duration.months });
const days = differenceInDays(end, remainingDays);
if (days) duration.days = days;
const remainingHours = add(remainingDays, { days: duration.days });
const hours = differenceInHours(end, remainingHours);
if (hours) duration.hours = hours;
const remainingMinutes = add(remainingHours, { hours: duration.hours });
const minutes = differenceInMinutes(end, remainingMinutes);
if (minutes) duration.minutes = minutes;
const remainingSeconds = add(remainingMinutes, { minutes: duration.minutes });
const seconds = differenceInSeconds(end, remainingSeconds);
if (seconds) duration.seconds = seconds;
return duration;
}
// Fallback for modularized imports:
export default intervalToDuration;
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