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Current Path : /home/vmanager/www/vendor/bower-asset/moment/src/lib/duration/
Linux 9dbcd5f6333d 5.15.0-124-generic #134-Ubuntu SMP Fri Sep 27 20:20:17 UTC 2024 x86_64
Current File : //home/vmanager/www/vendor/bower-asset/moment/src/lib/duration/create.js
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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