1 files changed, 64 insertions, 0 deletions
diff --git a/library/moment/src/lib/duration/humanize.js b/library/moment/src/lib/duration/humanize.js
new file mode 100644
index 000000000..d6dd83b04
--- /dev/null
+++ b/library/moment/src/lib/duration/humanize.js
@@ -0,0 +1,64 @@
+import { createDuration } from './create';
+
+var round = Math.round;
+var thresholds = {
+    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.s && ['s', 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 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;
+    return true;
+}
+
+export function humanize (withSuffix) {
+    var locale = this.localeData();
+    var output = relativeTime(this, !withSuffix, locale);
+
+    if (withSuffix) {
+        output = locale.pastFuture(+this, output);
+    }
+
+    return locale.postformat(output);
+}