humanize.js
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import { createDuration } from './create';
var round = Math.round,
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/week
w: null, // weeks 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, thresholds, locale) {
var duration = createDuration(posNegDuration).abs(),
seconds = round(duration.as('s')),
minutes = round(duration.as('m')),
hours = round(duration.as('h')),
days = round(duration.as('d')),
months = round(duration.as('M')),
weeks = round(duration.as('w')),
years = round(duration.as('y')),
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]);
if (thresholds.w != null) {
a =
a ||
(weeks <= 1 && ['w']) ||
(weeks < thresholds.w && ['ww', weeks]);
}
a = a ||
(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(argWithSuffix, argThresholds) {
if (!this.isValid()) {
return this.localeData().invalidDate();
}
var withSuffix = false,
th = thresholds,
locale,
output;
if (typeof argWithSuffix === 'object') {
argThresholds = argWithSuffix;
argWithSuffix = false;
}
if (typeof argWithSuffix === 'boolean') {
withSuffix = argWithSuffix;
}
if (typeof argThresholds === 'object') {
th = Object.assign({}, thresholds, argThresholds);
if (argThresholds.s != null && argThresholds.ss == null) {
th.ss = argThresholds.s - 1;
}
}
locale = this.localeData();
output = relativeTime(this, !withSuffix, th, locale);
if (withSuffix) {
output = locale.pastFuture(+this, output);
}
return locale.postformat(output);
}