META-INF.resources.bower_components.moment.src.lib.duration.humanize.js Maven / Gradle / Ivy

import {createDuration} from './create';

var round = Math.round;
var thresholds = {
    ss: 44,         // a few seconds to seconds
    s: 45,         // seconds to minute
    m: 45,         // minutes to hour
    h: 22,         // hours to day
    d: 26,         // days to month
    M: 11          // months to year
};

// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
    return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
}

function relativeTime(posNegDuration, withoutSuffix, locale) {
    var duration = createDuration(posNegDuration).abs();
    var seconds = round(duration.as('s'));
    var minutes = round(duration.as('m'));
    var hours = round(duration.as('h'));
    var days = round(duration.as('d'));
    var months = round(duration.as('M'));
    var years = round(duration.as('y'));

    var a = seconds <= thresholds.ss && ['s', seconds] ||
        seconds < thresholds.s && ['ss', seconds] ||
        minutes <= 1 && ['m'] ||
        minutes < thresholds.m && ['mm', minutes] ||
        hours <= 1 && ['h'] ||
        hours < thresholds.h && ['hh', hours] ||
        days <= 1 && ['d'] ||
        days < thresholds.d && ['dd', days] ||
        months <= 1 && ['M'] ||
        months < thresholds.M && ['MM', months] ||
        years <= 1 && ['y'] || ['yy', years];

    a[2] = withoutSuffix;
    a[3] = +posNegDuration > 0;
    a[4] = locale;
    return substituteTimeAgo.apply(null, a);
}

// This function allows you to set the rounding function for relative time strings
export function getSetRelativeTimeRounding(roundingFunction) {
    if (roundingFunction === undefined) {
        return round;
    }
    if (typeof(roundingFunction) === 'function') {
        round = roundingFunction;
        return true;
    }
    return false;
}

// This function allows you to set a threshold for relative time strings
export function getSetRelativeTimeThreshold(threshold, limit) {
    if (thresholds[threshold] === undefined) {
        return false;
    }
    if (limit === undefined) {
        return thresholds[threshold];
    }
    thresholds[threshold] = limit;
    if (threshold === 's') {
        thresholds.ss = limit - 1;
    }
    return true;
}

export function humanize(withSuffix) {
    if (!this.isValid()) {
        return this.localeData().invalidDate();
    }

    var locale = this.localeData();
    var output = relativeTime(this, !withSuffix, locale);

    if (withSuffix) {
        output = locale.pastFuture(+this, output);
    }

    return locale.postformat(output);
}