vtils/date/intervalToRestrictiveDuration.js

一个面向业务的 JavaScript/TypeScript 实用程序库。

import { compareAsc, differenceInDays, differenceInHours, differenceInMilliseconds, differenceInMinutes, differenceInMonths, differenceInSeconds, differenceInYears, isValid, sub } from 'date-fns';
import { anyToDate } from "./anyToDate.js";
// ref: https://github.com/date-fns/date-fns/blob/master/src/intervalToDuration/index.js
export function intervalToRestrictiveDuration(start, end, target) {
  if (target === void 0) {
    target = 'year';
  }
  var dateLeft = anyToDate(start);
  var dateRight = anyToDate(end);
  if (!isValid(dateLeft)) {
    throw new RangeError('Start Date is invalid');
  }
  if (!isValid(dateRight)) {
    throw new RangeError('End Date is invalid');
  }
  var duration = {
    years: 0,
    months: 0,
    days: 0,
    hours: 0,
    minutes: 0,
    seconds: 0,
    milliseconds: 0
  };
  var remaining = dateLeft;
  var sign = compareAsc(dateLeft, dateRight);
  if (target === 'year') {
    duration.years = Math.abs(differenceInYears(remaining, dateRight));
  }
  if (target === 'year' || target === 'month') {
    remaining = sub(remaining, {
      years: sign * duration.years
    });
    duration.months = Math.abs(differenceInMonths(remaining, dateRight));
  }
  if (target === 'year' || target === 'month' || target === 'day') {
    remaining = sub(remaining, {
      months: sign * duration.months
    });
    duration.days = Math.abs(differenceInDays(remaining, dateRight));
  }
  if (target === 'year' || target === 'month' || target === 'day' || target === 'hour') {
    remaining = sub(remaining, {
      days: sign * duration.days
    });
    duration.hours = Math.abs(differenceInHours(remaining, dateRight));
  }
  if (target === 'year' || target === 'month' || target === 'day' || target === 'hour' || target === 'minute') {
    remaining = sub(remaining, {
      hours: sign * duration.hours
    });
    duration.minutes = Math.abs(differenceInMinutes(remaining, dateRight));
  }
  if (target === 'year' || target === 'month' || target === 'day' || target === 'hour' || target === 'minute' || target === 'second') {
    remaining = sub(remaining, {
      minutes: sign * duration.minutes
    });
    duration.seconds = Math.abs(differenceInSeconds(remaining, dateRight));
  }
  if (target === 'year' || target === 'month' || target === 'day' || target === 'hour' || target === 'minute' || target === 'second' || target === 'millisecond') {
    remaining = sub(remaining, {
      seconds: sign * duration.seconds
    });
    duration.milliseconds = Math.abs(differenceInMilliseconds(remaining, dateRight));
  }
  return duration;
}