vtils/_cjs/date/intervalToRestrictiveDuration.js

一个面向业务的 JavaScript/TypeScript 实用程序库。

"use strict";

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