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- import { daysToMonths, monthsToDays } from './bubble';
- import { normalizeUnits } from '../units/aliases';
- export function as(units) {
- if (!this.isValid()) {
- return NaN;
- }
- var days,
- months,
- milliseconds = this._milliseconds;
- units = normalizeUnits(units);
- if (units === 'month' || units === 'quarter' || units === 'year') {
- days = this._days + milliseconds / 864e5;
- months = this._months + daysToMonths(days);
- switch (units) {
- case 'month':
- return months;
- case 'quarter':
- return months / 3;
- case 'year':
- return months / 12;
- }
- } else {
- // handle milliseconds separately because of floating point math errors (issue #1867)
- days = this._days + Math.round(monthsToDays(this._months));
- switch (units) {
- case 'week':
- return days / 7 + milliseconds / 6048e5;
- case 'day':
- return days + milliseconds / 864e5;
- case 'hour':
- return days * 24 + milliseconds / 36e5;
- case 'minute':
- return days * 1440 + milliseconds / 6e4;
- case 'second':
- return days * 86400 + milliseconds / 1000;
- // Math.floor prevents floating point math errors here
- case 'millisecond':
- return Math.floor(days * 864e5) + milliseconds;
- default:
- throw new Error('Unknown unit ' + units);
- }
- }
- }
- function makeAs(alias) {
- return function () {
- return this.as(alias);
- };
- }
- var asMilliseconds = makeAs('ms'),
- asSeconds = makeAs('s'),
- asMinutes = makeAs('m'),
- asHours = makeAs('h'),
- asDays = makeAs('d'),
- asWeeks = makeAs('w'),
- asMonths = makeAs('M'),
- asQuarters = makeAs('Q'),
- asYears = makeAs('y'),
- valueOf = asMilliseconds;
- export {
- asMilliseconds,
- asSeconds,
- asMinutes,
- asHours,
- asDays,
- asWeeks,
- asMonths,
- asQuarters,
- asYears,
- valueOf,
- };
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