ngx-bootstrap/chronos/esm5/duration/bubble.js

Native Angular Bootstrap Components

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
import { absFloor } from '../utils';
import { absCeil } from '../utils/abs-ceil';
/**
 * @param {?} dur
 * @return {?}
 */
export function bubble(dur) {
    var /** @type {?} */ milliseconds = dur._milliseconds;
    var /** @type {?} */ days = dur._days;
    var /** @type {?} */ months = dur._months;
    var /** @type {?} */ data = dur._data;
    // if we have a mix of positive and negative values, bubble down first
    // check: https://github.com/moment/moment/issues/2166
    if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
        (milliseconds <= 0 && days <= 0 && months <= 0))) {
        milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
        days = 0;
        months = 0;
    }
    // The following code bubbles up values, see the tests for
    // examples of what that means.
    data.milliseconds = milliseconds % 1000;
    var /** @type {?} */ seconds = absFloor(milliseconds / 1000);
    data.seconds = seconds % 60;
    var /** @type {?} */ minutes = absFloor(seconds / 60);
    data.minutes = minutes % 60;
    var /** @type {?} */ hours = absFloor(minutes / 60);
    data.hours = hours % 24;
    days += absFloor(hours / 24);
    // convert days to months
    var /** @type {?} */ monthsFromDays = absFloor(daysToMonths(days));
    months += monthsFromDays;
    days -= absCeil(monthsToDays(monthsFromDays));
    // 12 months -> 1 year
    var /** @type {?} */ years = absFloor(months / 12);
    months %= 12;
    data.day = days;
    data.month = months;
    data.year = years;
    return dur;
}
/**
 * @param {?} day
 * @return {?}
 */
export function daysToMonths(day) {
    // 400 years have 146097 days (taking into account leap year rules)
    // 400 years have 12 months === 4800
    return day * 4800 / 146097;
}
/**
 * @param {?} month
 * @return {?}
 */
export function monthsToDays(month) {
    // the reverse of daysToMonths
    return month * 146097 / 4800;
}

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