71 lines
2.3 KiB
JavaScript
71 lines
2.3 KiB
JavaScript
import { add } from "./add.mjs";
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import { differenceInDays } from "./differenceInDays.mjs";
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import { differenceInHours } from "./differenceInHours.mjs";
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import { differenceInMinutes } from "./differenceInMinutes.mjs";
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import { differenceInMonths } from "./differenceInMonths.mjs";
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import { differenceInSeconds } from "./differenceInSeconds.mjs";
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import { differenceInYears } from "./differenceInYears.mjs";
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import { toDate } from "./toDate.mjs";
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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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* @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).
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*
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* @param interval - The interval to convert to duration
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*
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* @returns The duration object
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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 function intervalToDuration(interval) {
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const start = toDate(interval.start);
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const end = toDate(interval.end);
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const duration = {};
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const years = differenceInYears(end, start);
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if (years) duration.years = years;
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const remainingMonths = add(start, { years: duration.years });
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const months = differenceInMonths(end, remainingMonths);
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if (months) duration.months = months;
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const remainingDays = add(remainingMonths, { months: duration.months });
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const days = differenceInDays(end, remainingDays);
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if (days) duration.days = days;
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const remainingHours = add(remainingDays, { days: duration.days });
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const hours = differenceInHours(end, remainingHours);
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if (hours) duration.hours = hours;
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const remainingMinutes = add(remainingHours, { hours: duration.hours });
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const minutes = differenceInMinutes(end, remainingMinutes);
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if (minutes) duration.minutes = minutes;
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const remainingSeconds = add(remainingMinutes, { minutes: duration.minutes });
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const seconds = differenceInSeconds(end, remainingSeconds);
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if (seconds) duration.seconds = seconds;
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return duration;
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}
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// Fallback for modularized imports:
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export default intervalToDuration;
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