import { daysToMonths, monthsToDays } from './bubble';
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import { normalizeUnits } from '../units/aliases';
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import toInt from '../utils/to-int';
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export function as(units) {
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if (!this.isValid()) {
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return NaN;
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}
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var days,
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months,
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milliseconds = this._milliseconds;
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units = normalizeUnits(units);
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if (units === 'month' || units === 'quarter' || units === 'year') {
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days = this._days + milliseconds / 864e5;
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months = this._months + daysToMonths(days);
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switch (units) {
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case 'month':
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return months;
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case 'quarter':
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return months / 3;
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case 'year':
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return months / 12;
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}
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} else {
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// handle milliseconds separately because of floating point math errors (issue #1867)
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days = this._days + Math.round(monthsToDays(this._months));
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switch (units) {
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case 'week':
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return days / 7 + milliseconds / 6048e5;
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case 'day':
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return days + milliseconds / 864e5;
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case 'hour':
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return days * 24 + milliseconds / 36e5;
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case 'minute':
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return days * 1440 + milliseconds / 6e4;
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case 'second':
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return days * 86400 + milliseconds / 1000;
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// Math.floor prevents floating point math errors here
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case 'millisecond':
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return Math.floor(days * 864e5) + milliseconds;
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default:
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throw new Error('Unknown unit ' + units);
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}
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}
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}
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// TODO: Use this.as('ms')?
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export function valueOf() {
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if (!this.isValid()) {
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return NaN;
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}
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return (
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this._milliseconds +
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this._days * 864e5 +
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(this._months % 12) * 2592e6 +
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toInt(this._months / 12) * 31536e6
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);
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}
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function makeAs(alias) {
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return function () {
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return this.as(alias);
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};
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}
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var asMilliseconds = makeAs('ms'),
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asSeconds = makeAs('s'),
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asMinutes = makeAs('m'),
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asHours = makeAs('h'),
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asDays = makeAs('d'),
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asWeeks = makeAs('w'),
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asMonths = makeAs('M'),
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asQuarters = makeAs('Q'),
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asYears = makeAs('y');
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export {
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asMilliseconds,
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asSeconds,
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asMinutes,
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asHours,
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asDays,
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asWeeks,
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asMonths,
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asQuarters,
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asYears,
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};
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