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- import { Duration, isDuration } from './constructor';
- import isNumber from '../utils/is-number';
- import toInt from '../utils/to-int';
- import absRound from '../utils/abs-round';
- import hasOwnProp from '../utils/has-own-prop';
- import { DATE, HOUR, MINUTE, SECOND, MILLISECOND } from '../units/constants';
- import { cloneWithOffset } from '../units/offset';
- import { createLocal } from '../create/local';
- import { createInvalid as invalid } from './valid';
- // ASP.NET json date format regex
- var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
- // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
- // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
- // and further modified to allow for strings containing both week and day
- isoRegex =
- /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
- export function createDuration(input, key) {
- var duration = input,
- // matching against regexp is expensive, do it on demand
- match = null,
- sign,
- ret,
- diffRes;
- if (isDuration(input)) {
- duration = {
- ms: input._milliseconds,
- d: input._days,
- M: input._months,
- };
- } else if (isNumber(input) || !isNaN(+input)) {
- duration = {};
- if (key) {
- duration[key] = +input;
- } else {
- duration.milliseconds = +input;
- }
- } else if ((match = aspNetRegex.exec(input))) {
- sign = match[1] === '-' ? -1 : 1;
- duration = {
- y: 0,
- d: toInt(match[DATE]) * sign,
- h: toInt(match[HOUR]) * sign,
- m: toInt(match[MINUTE]) * sign,
- s: toInt(match[SECOND]) * sign,
- ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
- };
- } else if ((match = isoRegex.exec(input))) {
- sign = match[1] === '-' ? -1 : 1;
- duration = {
- y: parseIso(match[2], sign),
- M: parseIso(match[3], sign),
- w: parseIso(match[4], sign),
- d: parseIso(match[5], sign),
- h: parseIso(match[6], sign),
- m: parseIso(match[7], sign),
- s: parseIso(match[8], sign),
- };
- } else if (duration == null) {
- // checks for null or undefined
- duration = {};
- } else if (
- typeof duration === 'object' &&
- ('from' in duration || 'to' in duration)
- ) {
- diffRes = momentsDifference(
- createLocal(duration.from),
- createLocal(duration.to)
- );
- duration = {};
- duration.ms = diffRes.milliseconds;
- duration.M = diffRes.months;
- }
- ret = new Duration(duration);
- if (isDuration(input) && hasOwnProp(input, '_locale')) {
- ret._locale = input._locale;
- }
- if (isDuration(input) && hasOwnProp(input, '_isValid')) {
- ret._isValid = input._isValid;
- }
- return ret;
- }
- createDuration.fn = Duration.prototype;
- createDuration.invalid = invalid;
- function parseIso(inp, sign) {
- // We'd normally use ~~inp for this, but unfortunately it also
- // converts floats to ints.
- // inp may be undefined, so careful calling replace on it.
- var res = inp && parseFloat(inp.replace(',', '.'));
- // apply sign while we're at it
- return (isNaN(res) ? 0 : res) * sign;
- }
- function positiveMomentsDifference(base, other) {
- var res = {};
- res.months =
- other.month() - base.month() + (other.year() - base.year()) * 12;
- if (base.clone().add(res.months, 'M').isAfter(other)) {
- --res.months;
- }
- res.milliseconds = +other - +base.clone().add(res.months, 'M');
- return res;
- }
- function momentsDifference(base, other) {
- var res;
- if (!(base.isValid() && other.isValid())) {
- return { milliseconds: 0, months: 0 };
- }
- other = cloneWithOffset(other, base);
- if (base.isBefore(other)) {
- res = positiveMomentsDifference(base, other);
- } else {
- res = positiveMomentsDifference(other, base);
- res.milliseconds = -res.milliseconds;
- res.months = -res.months;
- }
- return res;
- }
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