import { createDuration } from './create';
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var round = Math.round,
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thresholds = {
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ss: 44, // a few seconds to seconds
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s: 45, // seconds to minute
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m: 45, // minutes to hour
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h: 22, // hours to day
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d: 26, // days to month/week
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w: null, // weeks to month
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M: 11, // months to year
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};
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// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
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function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
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return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
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}
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function relativeTime(posNegDuration, withoutSuffix, thresholds, locale) {
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var duration = createDuration(posNegDuration).abs(),
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seconds = round(duration.as('s')),
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minutes = round(duration.as('m')),
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hours = round(duration.as('h')),
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days = round(duration.as('d')),
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months = round(duration.as('M')),
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weeks = round(duration.as('w')),
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years = round(duration.as('y')),
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a =
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(seconds <= thresholds.ss && ['s', seconds]) ||
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(seconds < thresholds.s && ['ss', seconds]) ||
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(minutes <= 1 && ['m']) ||
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(minutes < thresholds.m && ['mm', minutes]) ||
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(hours <= 1 && ['h']) ||
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(hours < thresholds.h && ['hh', hours]) ||
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(days <= 1 && ['d']) ||
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(days < thresholds.d && ['dd', days]);
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if (thresholds.w != null) {
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a =
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a ||
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(weeks <= 1 && ['w']) ||
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(weeks < thresholds.w && ['ww', weeks]);
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}
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a = a ||
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(months <= 1 && ['M']) ||
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(months < thresholds.M && ['MM', months]) ||
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(years <= 1 && ['y']) || ['yy', years];
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a[2] = withoutSuffix;
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a[3] = +posNegDuration > 0;
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a[4] = locale;
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return substituteTimeAgo.apply(null, a);
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}
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// This function allows you to set the rounding function for relative time strings
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export function getSetRelativeTimeRounding(roundingFunction) {
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if (roundingFunction === undefined) {
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return round;
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}
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if (typeof roundingFunction === 'function') {
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round = roundingFunction;
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return true;
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}
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return false;
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}
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// This function allows you to set a threshold for relative time strings
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export function getSetRelativeTimeThreshold(threshold, limit) {
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if (thresholds[threshold] === undefined) {
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return false;
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}
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if (limit === undefined) {
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return thresholds[threshold];
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}
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thresholds[threshold] = limit;
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if (threshold === 's') {
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thresholds.ss = limit - 1;
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}
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return true;
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}
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export function humanize(argWithSuffix, argThresholds) {
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if (!this.isValid()) {
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return this.localeData().invalidDate();
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}
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var withSuffix = false,
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th = thresholds,
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locale,
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output;
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if (typeof argWithSuffix === 'object') {
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argThresholds = argWithSuffix;
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argWithSuffix = false;
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}
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if (typeof argWithSuffix === 'boolean') {
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withSuffix = argWithSuffix;
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}
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if (typeof argThresholds === 'object') {
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th = Object.assign({}, thresholds, argThresholds);
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if (argThresholds.s != null && argThresholds.ss == null) {
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th.ss = argThresholds.s - 1;
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}
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}
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locale = this.localeData();
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output = relativeTime(this, !withSuffix, th, locale);
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if (withSuffix) {
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output = locale.pastFuture(+this, output);
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}
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return locale.postformat(output);
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}
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