67 lines
2.2 KiB
JavaScript
67 lines
2.2 KiB
JavaScript
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import { normalizeInterval } from "./_lib/normalizeInterval.js";
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import { add } from "./add.js";
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import { differenceInDays } from "./differenceInDays.js";
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import { differenceInHours } from "./differenceInHours.js";
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import { differenceInMinutes } from "./differenceInMinutes.js";
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import { differenceInMonths } from "./differenceInMonths.js";
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import { differenceInSeconds } from "./differenceInSeconds.js";
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import { differenceInYears } from "./differenceInYears.js";
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/**
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* The {@link intervalToDuration} function options.
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*/
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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 an interval object to a duration object.
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*
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* @param interval - The interval to convert to duration
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* @param options - The context options
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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, options) {
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const { start, end } = normalizeInterval(options?.in, interval);
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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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