import { createDuration } from './create';
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var round = Math.round;
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var thresholds = {
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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
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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, locale) {
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var duration = createDuration(posNegDuration).abs();
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var seconds = round(duration.as('s'));
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var minutes = round(duration.as('m'));
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var hours = round(duration.as('h'));
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var days = round(duration.as('d'));
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var months = round(duration.as('M'));
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var years = round(duration.as('y'));
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var a = seconds < thresholds.s && ['s', 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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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 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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return true;
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}
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export function humanize (withSuffix) {
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var locale = this.localeData();
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var output = relativeTime(this, !withSuffix, 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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