From 040e20aa6bc6a88c9f4b648b3ff03ff1555368b8 Mon Sep 17 00:00:00 2001
From: Caroline Liu <10456171+caroqliu@users.noreply.github.com>
Date: Wed, 24 Feb 2021 11:32:24 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=8F=97=20=20amp-timeago:1.0=20-=20Use=20t?=
 =?UTF-8?q?imeago.js=20library=20(#32844)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Update amp-timeago:1.0 to use timeago.js package

* Remove third_party/timeagojs

* Simplify replacement logic

* Update docs to use hyphen formats (prior formats still valid)

* Use navigator.language also
---
 build-system/test-configs/dep-check-config.js |   2 -
 extensions/amp-timeago/0.1/amp-timeago.md     |  18 +-
 extensions/amp-timeago/0.1/locales.js         |  48 +-
 extensions/amp-timeago/1.0/component.js       |  17 +-
 extensions/amp-timeago/1.0/locales.js         |  75 ++
 extensions/amp-timeago/1.0/storybook/Basic.js |  12 +-
 extensions/amp-timeago/amp-timeago.md         |  25 +-
 third_party/timeagojs/LICENSE                 |  21 -
 third_party/timeagojs/README.amp              |  13 -
 third_party/timeagojs/timeago-locales.js      | 965 ------------------
 third_party/timeagojs/timeago.js              | 158 ---
 11 files changed, 141 insertions(+), 1213 deletions(-)
 create mode 100644 extensions/amp-timeago/1.0/locales.js
 delete mode 100644 third_party/timeagojs/LICENSE
 delete mode 100644 third_party/timeagojs/README.amp
 delete mode 100644 third_party/timeagojs/timeago-locales.js
 delete mode 100644 third_party/timeagojs/timeago.js

diff --git a/build-system/test-configs/dep-check-config.js b/build-system/test-configs/dep-check-config.js
index 2491188dba6d..28f83d44ba29 100644
--- a/build-system/test-configs/dep-check-config.js
+++ b/build-system/test-configs/dep-check-config.js
@@ -87,11 +87,9 @@ exports.rules = [
       'extensions/amp-subscriptions-google/**/*.js->third_party/subscriptions-project/swg.js',
       'extensions/amp-subscriptions/**/*.js->third_party/subscriptions-project/aes_gcm.js',
       'extensions/amp-subscriptions/**/*.js->third_party/subscriptions-project/config.js',
-      'extensions/amp-timeago/1.0/component.js->third_party/timeagojs/timeago.js',
       'src/css.js->third_party/css-escape/css-escape.js',
       'src/sanitizer.js->third_party/caja/html-sanitizer.js',
       'src/shadow-embed.js->third_party/webcomponentsjs/ShadowCSS.js',
-      'third_party/timeagojs/timeago.js->third_party/timeagojs/timeago-locales.js',
     ],
   },
   // Rules for 3p
diff --git a/extensions/amp-timeago/0.1/amp-timeago.md b/extensions/amp-timeago/0.1/amp-timeago.md
index effa9385928b..356768cdd91e 100644
--- a/extensions/amp-timeago/0.1/amp-timeago.md
+++ b/extensions/amp-timeago/0.1/amp-timeago.md
@@ -67,13 +67,14 @@ The local default is `en`. Add the `locale` attribute and specify one of the fol
 -   `ar` (Arabic)
 -   `be` (Belarusian)
 -   `bg` (Bulgarian)
+-   `bn-IN` (Bangla)
 -   `ca` (Catalan)
 -   `cs` (Czech)
 -   `da` (Danish)
 -   `de` (German)
 -   `el` (Greek)
 -   `en` (English)
--   `enShort` (English - short)
+-   `en-short` (English - short)
 -   `es` (Spanish)
 -   `eu` (Basque)
 -   `fa` (Persian - Farsi)
@@ -81,21 +82,20 @@ The local default is `en`. Add the `locale` attribute and specify one of the fol
 -   `fr` (French)
 -   `gl` (Galician)
 -   `he` (Hebrew)
+-   `hi-IN` (Hindi)
 -   `hu` (Hungarian)
--   `inBG` (Bangla)
--   `inHI` (Hindi)
--   `inID` (Malay)
+-   `id-ID` (Malay)
 -   `it` (Italian)
 -   `ja` (Japanese)
 -   `ka` (Georgian)
 -   `ko` (Korean)
 -   `ml` (Malayalam)
 -   `my` (Burmese - Myanmar)
--   `nbNO` (Norwegian Bokmål)
+-   `nb-NO` (Norwegian Bokmål)
 -   `nl` (Dutch)
--   `nnNO` (Norwegian Nynorsk)
+-   `nn-NO` (Norwegian Nynorsk)
 -   `pl` (Polish)
--   `ptBR` (Portuguese)
+-   `pt-BR` (Portuguese)
 -   `ro` (Romanian)
 -   `ru` (Russian)
 -   `sq` (Albanian)
@@ -106,8 +106,8 @@ The local default is `en`. Add the `locale` attribute and specify one of the fol
 -   `tr` (Turkish)
 -   `uk` (Ukrainian)
 -   `vi` (Vietnamese)
--   `zhCN` (Chinese)
--   `zhTW` (Taiwanese)
+-   `zh-CN` (Chinese)
+-   `zh-TW` (Taiwanese)
 
 ### `cutoff`
 
diff --git a/extensions/amp-timeago/0.1/locales.js b/extensions/amp-timeago/0.1/locales.js
index 54336ba6dd03..6e77c408338d 100644
--- a/extensions/amp-timeago/0.1/locales.js
+++ b/extensions/amp-timeago/0.1/locales.js
@@ -52,34 +52,24 @@ register('oc', oc);
  * @return {string}
  */
 export function getLocale(locale) {
-  switch (locale) {
-    case 'en':
-      return 'en_US';
-    case 'enShort':
-      return 'en_short';
-    case 'inBG':
-      return 'bn_IN';
-    case 'inID':
-      return 'id_ID';
-    case 'inHI':
-      return 'hi_IN';
-    case 'nbNO':
-      return 'nb_NO';
-    case 'nnNO':
-      return 'nn_NO';
-    case 'ptBR':
-      return 'pt_BR';
-    case 'zhCN':
-      return 'zh_CN';
-    case 'zhTW':
-      return 'zh_TW';
-    default:
-      // Note: This line both supports en_Short -> en_short, and consequently
-      // invalidates default formatting provided by timeago.js. i.e. "zh_CN"
-      // locale value will not work as it becomes "zh_cn", and the
-      // registration is case sensitive. If we want to expand the set of
-      // supported formats to those that are already supported by the
-      // timeago.js library, we should remove `toLocaleLowerCase`.
-      return locale.toLocaleLowerCase();
+  locale = locale.toLowerCase();
+  if (nonStandardReplacements[locale]) {
+    return nonStandardReplacements[locale];
   }
+  if (
+    locale.length === 4 /* without '-|_' */ ||
+    locale.length === 5 /* with '-|_' */
+  ) {
+    return `${locale.slice(0, 2)}_${locale.slice(-2).toUpperCase()}`;
+  }
+  return locale;
 }
+
+const nonStandardReplacements = {
+  'en': 'en_US',
+  'enshort': 'en_short',
+  'en-short': 'en_short',
+  'inbg': 'bn_IN',
+  'inid': 'id_ID',
+  'inhi': 'hi_IN',
+};
diff --git a/extensions/amp-timeago/1.0/component.js b/extensions/amp-timeago/1.0/component.js
index 0292ef1c5573..76b93eaab808 100644
--- a/extensions/amp-timeago/1.0/component.js
+++ b/extensions/amp-timeago/1.0/component.js
@@ -16,14 +16,14 @@
 
 import * as Preact from '../../../src/preact';
 import {Wrapper} from '../../../src/preact/component';
+import {format, getLocale} from './locales';
 import {getDate} from '../../../src/utils/date';
-import {timeago} from '../../../third_party/timeagojs/timeago';
 import {toWin} from '../../../src/types';
 import {useEffect, useRef, useState} from '../../../src/preact';
 import {useResourcesNotify} from '../../../src/preact/utils';
 
 /** @const {string} */
-const DEFAULT_LOCALE = 'en';
+const DEFAULT_LOCALE = 'en_US';
 
 /** @const {!Object<string, *>} */
 const DEFAULT_DATETIME_OPTIONS = {
@@ -43,7 +43,7 @@ const DEFAULT_TIME_OPTIONS = {'hour': 'numeric', 'minute': 'numeric'};
  */
 export function Timeago({
   datetime,
-  locale = DEFAULT_LOCALE,
+  locale: localeProp,
   cutoff,
   placeholder,
   ...rest
@@ -60,6 +60,11 @@ export function Timeago({
       return undefined;
     }
     const observer = new win.IntersectionObserver((entries) => {
+      let {lang} = node.ownerDocument.documentElement;
+      if (lang === 'unknown') {
+        lang = win.navigator?.language || DEFAULT_LOCALE;
+      }
+      const locale = getLocale(localeProp || lang);
       const last = entries[entries.length - 1];
       if (last.isIntersecting) {
         setTimestamp(
@@ -69,7 +74,7 @@ export function Timeago({
     });
     observer.observe(node);
     return () => observer.disconnect();
-  }, [date, locale, cutoff, placeholder]);
+  }, [date, localeProp, cutoff, placeholder]);
 
   useResourcesNotify();
 
@@ -94,14 +99,14 @@ export function Timeago({
  */
 function getFuzzyTimestampValue(date, locale, cutoff, placeholder) {
   if (!cutoff) {
-    return timeago(date, locale);
+    return format(date, locale);
   }
   const secondsAgo = Math.floor((Date.now() - date.getTime()) / 1000);
 
   if (secondsAgo > cutoff) {
     return placeholder ? placeholder : getDefaultPlaceholder(date, locale);
   }
-  return timeago(date, locale);
+  return format(date, locale);
 }
 
 /**
diff --git a/extensions/amp-timeago/1.0/locales.js b/extensions/amp-timeago/1.0/locales.js
new file mode 100644
index 000000000000..6e77c408338d
--- /dev/null
+++ b/extensions/amp-timeago/1.0/locales.js
@@ -0,0 +1,75 @@
+/**
+ * Copyright 2021 The AMP HTML Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * This file registers all necessary locales supported by amp-timeago.
+ */
+
+import * as timeago from 'timeago.js/dist/timeago.full.min.js';
+import cs from 'timeago.js/esm/lang/cs.js';
+import da from 'timeago.js/esm/lang/da.js';
+import ka from 'timeago.js/esm/lang/ka.js';
+import oc from 'timeago.js/esm/lang/oc.js';
+
+const {format, register} = timeago.default || timeago;
+export {format};
+
+/**
+ * timeago.full.min.js only contains the following 41 locales:
+ * ar, be, bg, bn_IN, ca, de, el, en_short, en_US, es, eu, fa, fi, fr, gl, he,
+ * hi_IN, hu, id_ID, it, ja, ko, ml, my, nb_NO, nl, nn_NO, pl, pt_BR, ro, ru,
+ * sq, sr, sv, ta, th, tr, uk, vi, zh_CN, zh_TW
+ *
+ * Register the rest to create full support for the 46 languages
+ * provided by the timeago.js library.
+ *
+ * TODO(wg-components): These can be removed once all the languages are
+ * exported in timeago.js. See https://github.com/hustcc/timeago.js/issues/238.
+ */
+register('cs', cs);
+register('da', da);
+register('ka', ka);
+register('oc', oc);
+
+/**
+ * timeago.full.min.js registers some locales in a different format than what
+ * is currently supported by amp-timeago. For backwards compatibility, the
+ * following additional locale formats are converted to their registered type.
+ * @param {string} locale
+ * @return {string}
+ */
+export function getLocale(locale) {
+  locale = locale.toLowerCase();
+  if (nonStandardReplacements[locale]) {
+    return nonStandardReplacements[locale];
+  }
+  if (
+    locale.length === 4 /* without '-|_' */ ||
+    locale.length === 5 /* with '-|_' */
+  ) {
+    return `${locale.slice(0, 2)}_${locale.slice(-2).toUpperCase()}`;
+  }
+  return locale;
+}
+
+const nonStandardReplacements = {
+  'en': 'en_US',
+  'enshort': 'en_short',
+  'en-short': 'en_short',
+  'inbg': 'bn_IN',
+  'inid': 'id_ID',
+  'inhi': 'hi_IN',
+};
diff --git a/extensions/amp-timeago/1.0/storybook/Basic.js b/extensions/amp-timeago/1.0/storybook/Basic.js
index 87f05671862b..f1f5cb147306 100644
--- a/extensions/amp-timeago/1.0/storybook/Basic.js
+++ b/extensions/amp-timeago/1.0/storybook/Basic.js
@@ -25,7 +25,17 @@ export default {
   decorators: [withA11y, withKnobs],
 };
 
-const LOCALES = ['en-US', 'en-GB', 'fr', 'ru', 'ar', 'he', 'ja'];
+const LOCALES = [
+  'en-US',
+  'en-GB',
+  'fr',
+  'ru',
+  'ar',
+  'he',
+  'ja',
+  'ZhTw',
+  'zH-Tw',
+];
 
 export const _default = () => {
   const dateTime = date('Date/time', new Date());
diff --git a/extensions/amp-timeago/amp-timeago.md b/extensions/amp-timeago/amp-timeago.md
index 22ab84715a4b..f4e5b328ac68 100644
--- a/extensions/amp-timeago/amp-timeago.md
+++ b/extensions/amp-timeago/amp-timeago.md
@@ -133,40 +133,47 @@ The local default is `en`. Add the `locale` attribute and specify one of the fol
 -   `ar` (Arabic)
 -   `be` (Belarusian)
 -   `bg` (Bulgarian)
+-   `bn-IN` (Bangla)
 -   `ca` (Catalan)
+-   `cs` (Czech)
 -   `da` (Danish)
 -   `de` (German)
 -   `el` (Greek)
 -   `en` (English)
--   `enShort` (English - short)
+-   `en-short` (English - short)
 -   `es` (Spanish)
 -   `eu` (Basque)
+-   `fa` (Persian - Farsi)
 -   `fi` (Finnish)
 -   `fr` (French)
+-   `gl` (Galician)
 -   `he` (Hebrew)
+-   `hi-IN` (Hindi)
 -   `hu` (Hungarian)
--   `inBG` (Bangla)
--   `inHI` (Hindi)
--   `inID` (Malay)
+-   `id-ID` (Malay)
 -   `it` (Italian)
 -   `ja` (Japanese)
+-   `ka` (Georgian)
 -   `ko` (Korean)
 -   `ml` (Malayalam)
--   `nbNO` (Norwegian Bokmål)
+-   `my` (Burmese - Myanmar)
+-   `nb-NO` (Norwegian Bokmål)
 -   `nl` (Dutch)
--   `nnNO` (Norwegian Nynorsk)
+-   `nn-NO` (Norwegian Nynorsk)
 -   `pl` (Polish)
--   `ptBR` (Portuguese)
+-   `pt-BR` (Portuguese)
 -   `ro` (Romanian)
 -   `ru` (Russian)
+-   `sq` (Albanian)
+-   `sr` (Serbian)
 -   `sv` (Swedish)
 -   `ta` (Tamil)
 -   `th` (Thai)
 -   `tr` (Turkish)
 -   `uk` (Ukrainian)
 -   `vi` (Vietnamese)
--   `zhCN` (Chinese)
--   `zhTW` (Taiwanese)
+-   `zh-CN` (Chinese)
+-   `zh-TW` (Taiwanese)
 
 ### `cutoff`
 
diff --git a/third_party/timeagojs/LICENSE b/third_party/timeagojs/LICENSE
deleted file mode 100644
index d4e09a44bb44..000000000000
--- a/third_party/timeagojs/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2016 Hust.cc
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/third_party/timeagojs/README.amp b/third_party/timeagojs/README.amp
deleted file mode 100644
index dce71a966ee2..000000000000
--- a/third_party/timeagojs/README.amp
+++ /dev/null
@@ -1,13 +0,0 @@
-URL: https://github.com/hustcc/timeago.js
-License: MIT
-License File: https://github.com/hustcc/timeago.js/blob/v3.0.0/LICENSE
-
-Description:
-Fork of timeago.js from release v3.0.0
-https://github.com/hustcc/timeago.js/tree/v3.0.0
-
-Local Modifications:
-Made formatting changes to ensure code passes AMP validation.
-Removed some functions from timeago.js file that are not required in the AMP
-implementation.
-Included entire locales directory which provide 37 locale options.
diff --git a/third_party/timeagojs/timeago-locales.js b/third_party/timeagojs/timeago-locales.js
deleted file mode 100644
index cceb6861199d..000000000000
--- a/third_party/timeagojs/timeago-locales.js
+++ /dev/null
@@ -1,965 +0,0 @@
-/**
- * Copyright (c) 2016 hustcc
- * License: MIT
- * Version: v3.0.0
- * https://github.com/hustcc/timeago.js
- */
-
-/**
- * ar (Arabic)
- */
-export const ar = function(number, index) {
-  if (index === 0) {
-    return ['منذ لحظات', 'بعد لحظات'];
-  }
-
-  const timeTypes = [
-    ['ثانية', 'ثانيتين', '%s ثوان', '%s ثانية'],    // Seconds
-    ['دقيقة', 'دقيقتين', '%s دقائق', '%s دقيقة'],   // Minutes
-    ['ساعة', 'ساعتين', '%s ساعات', '%s ساعة'],      // Hours
-    ['يوم', 'يومين', '%s أيام', '%s يوماً'],         // Days
-    ['أسبوع', 'أسبوعين', '%s أسابيع', '%s أسبوعاً'], // Weeks
-    ['شهر', 'شهرين', '%s أشهر', '%s شهراً'],         // Months
-    ['عام', 'عامين', '%s أعوام', '%s عاماً'],        // Years
-  ];
-
-  const timeStr = formatTime(Math.floor(index / 2), number);
-
-  return [`منذ  ${timeStr}`, `بعد  ${timeStr}`];
-
-  function formatTime(type, n) {
-    if (n < 3) {
-      return timeTypes[type][n - 1];
-    }
-    else if (n >= 3 && n <= 10) {
-      return timeTypes[type][2];
-    }
-    else {
-      return timeTypes[type][3];
-    }
-  }
-};
-
-/**
- * be (Belarusian)
- */
-export const be = function(number, index) {
-  const seconds =
-    formatNum.bind(null, 'секунду', '%s секунду', '%s секунды', '%s секунд');
-  const minutes =
-    formatNum.bind(null, 'хвіліну', '%s хвіліну', '%s хвіліны', '%s хвілін');
-  const hours =
-    formatNum.bind(null, 'гадзіну', '%s гадзіну', '%s гадзіны', '%s гадзін');
-  const days =
-    formatNum.bind(null, 'дзень', '%s дзень', '%s дні', '%s дзён');
-  const weeks =
-    formatNum.bind(null, 'тыдзень', '%s тыдзень', '%s тыдні', '%s тыдняў');
-  const months =
-    formatNum.bind(null, 'месяц', '%s месяц', '%s месяцы', '%s месяцаў');
-  const years =
-    formatNum.bind(null, 'год', '%s год', '%s гады', '%s гадоў');
-
-  switch (index) {
-    case 0: return ['толькі што', 'праз некалькі секунд'];
-    case 1: return [seconds(number) + ' таму', 'праз ' + seconds(number)];
-    case 2:
-    case 3: return [minutes(number) + ' таму', 'праз ' + minutes(number)];
-    case 4:
-    case 5: return [hours(number) + ' таму', 'праз ' + hours(number)];
-    case 6:
-    case 7: return [days(number) + ' таму', 'праз ' + days(number)];
-    case 8:
-    case 9: return [weeks(number) + ' таму', 'праз ' + weeks(number)];
-    case 10:
-    case 11: return [months(number) + ' таму', 'праз ' + months(number)];
-    case 12:
-    case 13: return [years(number) + ' таму', 'праз ' + years(number)];
-    default: return ['', ''];
-  }
-
-  /**
-   *
-   * @param f1 - 1
-   * @param f - 21, 31, ...
-   * @param s - 2-4, 22-24, 32-34 ...
-   * @param t - 5-20, 25-30, ...
-   * @param n
-   * @return {string}
-   */
-  function formatNum(f1, f, s, t, n) {
-    const n10 = n % 10;
-    let str = t;
-
-    if (n === 1) {
-      str = f1;
-    } else if (n10 === 1 && n > 20) {
-      str = f;
-    } else if (n10 > 1 && n10 < 5 && (n > 20 || n < 10)) {
-      str = s;
-    }
-
-    return str;
-  }
-};
-
-/**
- * bg (Bulgarian)
- */
-export const bg = function(number, index) {
-  return [
-    ['току що', 'съвсем скоро'],
-    ['преди %s секунди', 'след %s секунди'],
-    ['преди 1 минута', 'след 1 минута'],
-    ['преди %s минути', 'след %s минути'],
-    ['преди 1 час', 'след 1 час'],
-    ['преди %s часа', 'след %s часа'],
-    ['преди 1 ден', 'след 1 ден'],
-    ['преди %s дни', 'след %s дни'],
-    ['преди 1 седмица', 'след 1 седмица'],
-    ['преди %s седмици', 'след %s седмици'],
-    ['преди 1 месец', 'след 1 месец'],
-    ['преди %s месеца', 'след %s месеца'],
-    ['преди 1 година', 'след 1 година'],
-    ['преди %s години', 'след %s години'],
-  ][index];
-};
-
-/**
- * ca (Catalan)
- */
-export const ca = function(number, index) {
-  return [
-    ['fa un moment', 'd\'aquí un moment'],
-    ['fa %s segons', 'd\'aquí %s segons'],
-    ['fa 1 minut', 'd\'aquí 1 minut'],
-    ['fa %s minuts', 'd\'aquí %s minuts'],
-    ['fa 1 hora', 'd\'aquí 1 hora'],
-    ['fa %s hores', 'd\'aquí %s hores'],
-    ['fa 1 dia', 'd\'aquí 1 dia'],
-    ['fa %s dies', 'd\'aquí %s dies'],
-    ['fa 1 setmana', 'd\'aquí 1 setmana'],
-    ['fa %s setmanes', 'd\'aquí %s setmanes'],
-    ['fa 1 mes', 'd\'aquí 1 mes'],
-    ['fa %s mesos', 'd\'aquí %s mesos'],
-    ['fa 1 any', 'd\'aquí 1 any'],
-    ['fa %s anys', 'd\'aquí %s anys'],
-  ][index];
-};
-
-/**
- * da (Danish)
- */
-export const da = function(number, index) {
-  return [
-    ['for et øjeblik siden', 'om et øjeblik'],
-    ['for %s sekunder siden', 'om %s sekunder'],
-    ['for 1 minut siden', 'om 1 minut'],
-    ['for %s minutter siden', 'om %s minutter'],
-    ['for 1 time siden', 'om 1 time'],
-    ['for %s timer siden', 'om %s timer'],
-    ['for 1 dag siden', 'om 1 dag'],
-    ['for %s dage siden', 'om %s dage'],
-    ['for 1 uge siden', 'om 1 uge'],
-    ['for %s uger siden', 'om %s uger'],
-    ['for 1 måned siden', 'om 1 måned'],
-    ['for %s måneder siden', 'om %s måneder'],
-    ['for 1 år siden', 'om 1 år'],
-    ['for %s år siden', 'om %s år'],
-  ][index];
-};
-
-/**
- * de (German)
- */
-export const de = function(number, index) {
-  return [
-    ['gerade eben', 'vor einer Weile'],
-    ['vor %s Sekunden', 'in %s Sekunden'],
-    ['vor 1 Minute', 'in 1 Minute'],
-    ['vor %s Minuten', 'in %s Minuten'],
-    ['vor 1 Stunde', 'in 1 Stunde'],
-    ['vor %s Stunden', 'in %s Stunden'],
-    ['vor 1 Tag', 'in 1 Tag'],
-    ['vor %s Tagen', 'in %s Tagen'],
-    ['vor 1 Woche', 'in 1 Woche'],
-    ['vor %s Wochen', 'in %s Wochen'],
-    ['vor 1 Monat', 'in 1 Monat'],
-    ['vor %s Monaten', 'in %s Monaten'],
-    ['vor 1 Jahr', 'in 1 Jahr'],
-    ['vor %s Jahren', 'in %s Jahren'],
-  ][index];
-};
-
-/**
- * el (Greek)
- */
-export const el = function(number, index) {
-  return [
-    ['μόλις τώρα', 'σε λίγο'],
-    ['%s δευτερόλεπτα πριν', 'σε %s δευτερόλεπτα'],
-    ['1 λεπτό πριν', 'σε 1 λεπτό'],
-    ['%s λεπτά πριν', 'σε %s λεπτά'],
-    ['1 ώρα πριν', 'σε 1 ώρα'],
-    ['%s ώρες πριν', 'σε %s ώρες'],
-    ['1 μέρα πριν', 'σε 1 μέρα'],
-    ['%s μέρες πριν', 'σε %s μέρες'],
-    ['1 εβδομάδα πριν', 'σε 1 εβδομάδα'],
-    ['%s εβδομάδες πριν', 'σε %s εβδομάδες'],
-    ['1 μήνα πριν', 'σε 1 μήνα'],
-    ['%s μήνες πριν', 'σε %s μήνες'],
-    ['1 χρόνο πριν', 'σε 1 χρόνο'],
-    ['%s χρόνια πριν', 'σε %s χρόνια'],
-  ][index];
-};
-
-/**
- * en (English)
- */
-export const en = function(number, index) {
-  return [
-    ['just now', 'right now'],
-    ['%s seconds ago', 'in %s seconds'],
-    ['1 minute ago', 'in 1 minute'],
-    ['%s minutes ago', 'in %s minutes'],
-    ['1 hour ago', 'in 1 hour'],
-    ['%s hours ago', 'in %s hours'],
-    ['1 day ago', 'in 1 day'],
-    ['%s days ago', 'in %s days'],
-    ['1 week ago', 'in 1 week'],
-    ['%s weeks ago', 'in %s weeks'],
-    ['1 month ago', 'in 1 month'],
-    ['%s months ago', 'in %s months'],
-    ['1 year ago', 'in 1 year'],
-    ['%s years ago', 'in %s years'],
-  ][index];
-};
-
-/**
- * enShort (English - short)
- */
-export const enShort = function(number, index) {
-  return [
-    ['just now', 'right now'],
-    ['%ss ago', 'in %ss'],
-    ['1m ago', 'in 1m'],
-    ['%sm ago', 'in %sm'],
-    ['1h ago', 'in 1h'],
-    ['%sh ago', 'in %sh'],
-    ['1d ago', 'in 1d'],
-    ['%sd ago', 'in %sd'],
-    ['1w ago', 'in 1w'],
-    ['%sw ago', 'in %sw'],
-    ['1mo ago', 'in 1mo'],
-    ['%smo ago', 'in %smo'],
-    ['1yr ago', 'in 1yr'],
-    ['%syr ago', 'in %syr'],
-  ][index];
-};
-
-/**
- * es (Spanish)
- */
-export const es = function(number, index) {
-  return [
-    ['justo ahora', 'en un rato'],
-    ['hace %s segundos', 'en %s segundos'],
-    ['hace 1 minuto', 'en 1 minuto'],
-    ['hace %s minutos', 'en %s minutos'],
-    ['hace 1 hora', 'en 1 hora'],
-    ['hace %s horas', 'en %s horas'],
-    ['hace 1 día', 'en 1 día'],
-    ['hace %s días', 'en %s días'],
-    ['hace 1 semana', 'en 1 semana'],
-    ['hace %s semanas', 'en %s semanas'],
-    ['hace 1 mes', 'en 1 mes'],
-    ['hace %s meses', 'en %s meses'],
-    ['hace 1 año', 'en 1 año'],
-    ['hace %s años', 'en %s años'],
-  ][index];
-};
-
-/**
- * eu (Basque)
- */
-export const eu = function(number, index) {
-  return [
-    ['orain', 'denbora bat barru'],
-    ['duela %s segundu', '%s segundu barru'],
-    ['duela minutu 1', 'minutu 1 barru'],
-    ['duela %s minutu', '%s minutu barru'],
-    ['duela ordu 1', 'ordu 1 barru'],
-    ['duela %s ordu', '%s ordu barru'],
-    ['duela egun 1', 'egun 1 barru'],
-    ['duela %s egun', '%s egun barru'],
-    ['duela aste 1', 'aste 1 barru'],
-    ['duela %s aste', '%s aste barru'],
-    ['duela hillabete 1', 'hillabete 1 barru'],
-    ['duela %s hillabete', '%s hillabete barru'],
-    ['duela urte 1', 'urte 1 barru'],
-    ['duela %s urte', '%s urte barru'],
-  ][index];
-};
-
-/**
- * fi (Finnish)
- */
-export const fi = function(number, index) {
-  return [
-    ['juuri äsken', 'juuri nyt'],
-    ['%s sekuntia sitten', '%s sekunnin päästä'],
-    ['minuutti sitten', 'minuutin päästä'],
-    ['%s minuuttia sitten', '%s minuutin päästä'],
-    ['tunti sitten', 'tunnin päästä'],
-    ['%s tuntia sitten', '%s tunnin päästä'],
-    ['päivä sitten', 'päivän päästä'],
-    ['%s päivää sitten', '%s päivän päästä'],
-    ['viikko sitten', 'viikon päästä'],
-    ['%s viikkoa sitten', '%s viikon päästä'],
-    ['kuukausi sitten', 'kuukauden päästä'],
-    ['%s kuukautta sitten', '%s kuukauden päästä'],
-    ['vuosi sitten', 'vuoden päästä'],
-    ['%s vuotta sitten', '%s vuoden päästä'],
-  ][index];
-};
-
-/**
- * fr (French)
- */
-export const fr = function(number, index) {
-  return [
-    ['à l\'instant', 'dans un instant'],
-    ['il y a %s secondes', 'dans %s secondes'],
-    ['il y a 1 minute', 'dans 1 minute'],
-    ['il y a %s minutes', 'dans %s minutes'],
-    ['il y a 1 heure', 'dans 1 heure'],
-    ['il y a %s heures', 'dans %s heures'],
-    ['il y a 1 jour', 'dans 1 jour'],
-    ['il y a %s jours', 'dans %s jours'],
-    ['il y a 1 semaine', 'dans 1 semaine'],
-    ['il y a %s semaines', 'dans %s semaines'],
-    ['il y a 1 mois', 'dans 1 mois'],
-    ['il y a %s mois', 'dans %s mois'],
-    ['il y a 1 an', 'dans 1 an'],
-    ['il y a %s ans', 'dans %s ans'],
-  ][index];
-};
-
-/**
- * he (Hebrew)
- */
-export const he = function(number, index) {
-  return [
-    ['זה עתה', 'עכשיו'],
-    ['לפני %s שניות', 'בעוד %s שניות'],
-    ['לפני דקה', 'בעוד דקה'],
-    ['לפני %s דקות', 'בעוד %s דקות'],
-    ['לפני שעה', 'בעוד שעה'],
-    ['לפני %s שעות', 'בעוד %s שעות'],
-    ['אתמול', 'מחר'],
-    ['לפני %s ימים', 'בעוד %s ימים'],
-    ['לפני שבוע', 'בעוד שבוע'],
-    ['לפני %s שבועות', 'בעוד %s שבועות'],
-    ['לפני חודש', 'בעוד חודש'],
-    ['לפני %s חודשים', 'בעוד %s חודשים'],
-    ['לפני שנה', 'בעוד שנה'],
-    ['לפני %s שנים', 'בעוד %s שנים'],
-  ][index];
-};
-
-/**
- * hu (Hungarian)
- */
-export const hu = function(number, index) {
-  return [
-    ['éppen most', 'éppen most'],
-    ['%s másodperce', '%s másodpercen belül'],
-    ['1 perce', '1 percen belül'],
-    ['%s perce', '%s percen belül'],
-    ['1 órája', '1 órán belül'],
-    ['%s órája', '%s órán belül'],
-    ['1 napja', '1 napon belül'],
-    ['%s napja', '%s napon belül'],
-    ['1 hete', '1 héten belül'],
-    ['%s hete', '%s héten belül'],
-    ['1 hónapja', '1 hónapon belül'],
-    ['%s hónapja', '%s hónapon belül'],
-    ['1 éve', '1 éven belül'],
-    ['%s éve', '%s éven belül'],
-  ][index];
-};
-
-/**
- * inBG (Bangla)
- */
-export const inBG = function(number, index) {
-  return [
-    ['এইমাত্র', 'একটা সময়'],
-    ['%s সেকেন্ড আগে', '%s এর সেকেন্ডের মধ্যে'],
-    ['1 মিনিট আগে', '1 মিনিটে'],
-    ['%s এর মিনিট আগে', '%s এর মিনিটের মধ্যে'],
-    ['1 ঘন্টা আগে', '1 ঘন্টা'],
-    ['%s ঘণ্টা আগে', '%s এর ঘন্টার মধ্যে'],
-    ['1 দিন আগে', '1 দিনের মধ্যে'],
-    ['%s এর দিন আগে', '%s এর দিন'],
-    ['1 সপ্তাহ আগে', '1 সপ্তাহের মধ্যে'],
-    ['%s এর সপ্তাহ আগে', '%s সপ্তাহের মধ্যে'],
-    ['1 মাস আগে', '1 মাসে'],
-    ['%s মাস আগে', '%s মাসে'],
-    ['1 বছর আগে', '1 বছরের মধ্যে'],
-    ['%s বছর আগে', '%s বছরে'],
-  ][index];
-};
-
-/**
- * inHI (Hindi)
- */
-export const inHI = function(number, index) {
-  return [
-    ['अभी', 'कुछ समय'],
-    ['%s सेकंड पहले', '%s सेकंड में'],
-    ['1 मिनट पहले', '1 मिनट में'],
-    ['%s मिनट पहले', '%s मिनट में'] ,
-    ['1 घंटे पहले', '1 घंटे में'] ,
-    ['%s घंटे पहले', '%s घंटे में'] ,
-    ['1 दिन पहले', '1 दिन में'] ,
-    ['%s दिन पहले', '%s दिनों में'] ,
-    ['1 सप्ताह पहले', '1 सप्ताह में'] ,
-    ['%s हफ्ते पहले', '%s हफ्तों में'] ,
-    ['1 महीने पहले', '1 महीने में'] ,
-    ['%s महीने पहले', '%s महीनों में'] ,
-    ['1 साल पहले', '1 साल में'] ,
-    ['%s साल पहले','%s साल में'],
-  ][index];
-};
-
-/**
- * inID (Malay)
- */
-export const inID = function(number, index) {
-  return [
-    ['baru saja', 'sebentar'],
-    ['%s detik yang lalu', 'dalam %s detik'],
-    ['1 menit yang lalu', 'dalam 1 menit'],
-    ['%s menit yang lalu', 'dalam %s menit'],
-    ['1 jam yang lalu', 'dalam 1 jam'],
-    ['%s jam yang lalu', 'dalam %s jam'],
-    ['1 hari yang lalu', 'dalam 1 hari'],
-    ['%s hari yang lalu', 'dalam %s hari'],
-    ['1 minggu yang lalu', 'dalam 1 minggu'],
-    ['%s minggu yang lalu', 'dalam %s minggu'],
-    ['1 bulan yang lalu', 'dalam 1 bulan'],
-    ['%s bulan yang lalu', 'dalam %s bulan'],
-    ['1 tahun yang lalu', 'dalam 1 tahun'],
-    ['%s tahun yang lalu', 'dalam %s tahun'],
-  ][index];
-};
-
-/**
- * it (Italian)
- */
-export const it = function(number, index) {
-  return [
-    ['poco fa', 'tra poco'],
-    ['%s secondi fa', '%s secondi da ora'],
-    ['un minuto fa', 'un minuto da ora'],
-    ['%s minuti fa', '%s minuti da ora'],
-    ['un\'ora fa', 'un\'ora da ora'],
-    ['%s ore fa', '%s ore da ora'],
-    ['un giorno fa', 'un giorno da ora'],
-    ['%s giorni fa', '%s giorni da ora'],
-    ['una settimana fa', 'una settimana da ora'],
-    ['%s settimane fa', '%s settimane da ora'],
-    ['un mese fa', 'un mese da ora'],
-    ['%s mesi fa', '%s mesi da ora'],
-    ['un anno fa', 'un anno da ora'],
-    ['%s anni fa', '%s anni da ora'],
-  ][index];
-};
-
-/**
- * ja (Japanese)
- */
-export const ja = function(number, index) {
-  return [
-    ['すこし前', 'すぐに'],
-    ['%s秒前', '%s秒以内'],
-    ['1分前', '1分以内'],
-    ['%s分前', '%s分以内'],
-    ['1時間前', '1時間以内'],
-    ['%s時間前', '%s時間以内'],
-    ['1日前', '1日以内'],
-    ['%s日前', '%s日以内'],
-    ['1週間前', '1週間以内'],
-    ['%s週間前', '%s週間以内'],
-    ['1ヶ月前', '1ヶ月以内'],
-    ['%sヶ月前', '%sヶ月以内'],
-    ['1年前', '1年以内'],
-    ['%s年前', '%s年以内'],
-  ][index];
-};
-
-/**
- * ko (Korean)
- */
-export const ko = function(number, index) {
-  return [
-    ['방금', '곧'],
-    ['%s초 전', '%s초 후'],
-    ['1분 전', '1분 후'],
-    ['%s분 전', '%s분 후'],
-    ['1시간 전', '1시간 후'],
-    ['%s시간 전', '%s시간 후'],
-    ['1일 전', '1일 후'],
-    ['%s일 전', '%s일 후'],
-    ['1주일 전', '1주일 후'],
-    ['%s주일 전', '%s주일 후'],
-    ['1개월 전', '1개월 후'],
-    ['%s개월 전', '%s개월 후'],
-    ['1년 전', '1년 후'],
-    ['%s년 전', '%s년 후'],
-  ][index];
-};
-
-/**
- * ml (Malayalam)
- */
-export const ml = function(number, index) {
-  return [
-    ['ഇപ്പോള്‍', 'കുറച്ചു മുന്‍പ്'],
-    ['%s സെക്കന്റ്‌കള്‍ക്ക് മുന്‍പ്', '%s സെക്കന്റില്‍'],
-    ['1 മിനിറ്റിനു മുന്‍പ്', '1 മിനിറ്റില്‍'],
-    ['%s മിനിറ്റുകള്‍ക്ക് മുന്‍പ', '%s മിനിറ്റില്‍'],
-    ['1 മണിക്കൂറിനു മുന്‍പ്', '1 മണിക്കൂറില്‍'],
-    ['%s മണിക്കൂറുകള്‍ക്കു മുന്‍പ്', '%s മണിക്കൂറില്‍'],
-    ['1 ഒരു ദിവസം മുന്‍പ്', '1 ദിവസത്തില്‍'],
-    ['%s ദിവസങ്ങള്‍ക് മുന്‍പ്', '%s ദിവസങ്ങള്‍ക്കുള്ളില്‍'],
-    ['1 ആഴ്ച മുന്‍പ്', '1 ആഴ്ചയില്‍'],
-    ['%s ആഴ്ചകള്‍ക്ക് മുന്‍പ്', '%s ആഴ്ചകള്‍ക്കുള്ളില്‍'],
-    ['1 മാസത്തിനു മുന്‍പ്', '1 മാസത്തിനുള്ളില്‍'],
-    ['%s മാസങ്ങള്‍ക്ക് മുന്‍പ്', '%s മാസങ്ങള്‍ക്കുള്ളില്‍'],
-    ['1 വര്‍ഷത്തിനു  മുന്‍പ്', '1 വര്‍ഷത്തിനുള്ളില്‍'],
-    ['%s വര്‍ഷങ്ങള്‍ക്കു മുന്‍പ്', '%s വര്‍ഷങ്ങള്‍ക്കുല്ല്ളില്‍'],
-  ][index];
-};
-
-/**
- * nbNO (Norwegian Bokmål)
- */
-export const nbNO = function(number, index) {
-  return [
-    ['akkurat nå', 'om litt'],
-    ['%s sekunder siden', 'om %s sekunder'],
-    ['1 minutt siden', 'om 1 minutt'],
-    ['%s minutter siden', 'om %s minutter'],
-    ['1 time siden', 'om 1 time'],
-    ['%s timer siden', 'om %s timer'],
-    ['1 dag siden', 'om 1 dag'],
-    ['%s dager siden', 'om %s dager'],
-    ['1 uke siden', 'om 1 uke'],
-    ['%s uker siden', 'om %s uker'],
-    ['1 måned siden', 'om 1 måned'],
-    ['%s måneder siden', 'om %s måneder'],
-    ['1 år siden', 'om 1 år'],
-    ['%s år siden', 'om %s år'],
-  ][index];
-};
-
-/**
- * nl (Dutch)
- */
-export const nl = function(number, index) {
-  return [
-    ['recent', 'binnenkort'],
-    ['%s seconden geleden', 'binnen %s seconden'],
-    ['1 minuut geleden', 'binnen 1 minuut'],
-    ['%s minuten geleden', 'binnen %s minuten'],
-    ['1 uur geleden', 'binnen 1 uur'],
-    ['%s uren geleden', 'binnen %s uren'],
-    ['1 dag geleden', 'binnen 1 dag'],
-    ['%s dagen geleden', 'binnen %s dagen'],
-    ['1 week geleden', 'binnen 1 week'],
-    ['%s weken geleden', 'binnen %s weken'],
-    ['1 maand geleden', 'binnen 1 maand'],
-    ['%s maanden geleden', 'binnen %s maanden'],
-    ['1 jaar geleden', 'binnen 1 jaar'],
-    ['%s jaren geleden', 'binnen %s jaren'],
-  ][index];
-};
-
-/**
- * nnNO (Norwegian Nynorsk)
- */
-export const nnNO = function(number, index) {
-  return [
-    ['nett no', 'om litt'],
-    ['%s sekund sidan', 'om %s sekund'],
-    ['1 minutt sidan', 'om 1 minutt'],
-    ['%s minutt sidan', 'om %s minutt'],
-    ['1 time sidan', 'om 1 time'],
-    ['%s timar sidan', 'om %s timar'],
-    ['1 dag sidan', 'om 1 dag'],
-    ['%s dagar sidan', 'om %s dagar'],
-    ['1 veke sidan', 'om 1 veke'],
-    ['%s veker sidan', 'om %s veker'],
-    ['1 månad sidan', 'om 1 månad'],
-    ['%s månadar sidan', 'om %s månadar'],
-    ['1 år sidan', 'om 1 år'],
-    ['%s år sidan', 'om %s år'],
-  ][index];
-};
-
-/**
- * pl (Polish)
- */
-export const pl = function(number, index) {
-  const l = [
-    ['w tej chwili', 'za chwilę'],
-    ['%s sekund temu', 'za %s sekund'],
-    ['1 minutę temu', 'za 1 minutę'],
-    ['%s minut temu', 'za %s minut'],
-    ['1 godzinę temu', 'za 1 godzinę'],
-    ['%s godzin temu', 'za %s godzin'],
-    ['1 dzień temu', 'za 1 dzień'], // ['wczoraj', 'jutro'],
-    ['%s dni temu', 'za %s dni'],
-    ['1 tydzień temu', 'za 1 tydzień'],
-    ['%s tygodni temu', 'za %s tygodni'],
-    ['1 miesiąc temu', 'za 1 miesiąc'],
-    ['%s miesięcy temu', 'za %s miesięcy'],
-    ['1 rok temu', 'za 1 rok'],
-    ['%s lat temu', 'za %s lat'],
-    ['%s sekundy temu', 'za %s sekundy'],
-    ['%s minuty temu', 'za %s minuty'],
-    ['%s godziny temu', 'za %s godziny'],
-    ['%s dni temu', 'za %s dni'],
-    ['%s tygodnie temu', 'za %s tygodnie'],
-    ['%s miesiące temu', 'za %s miesiące'],
-    ['%s lata temu', 'za %s lata'],
-  ];
-  // to determine which plural form must be used check the last 2 digits
-  // and calculate new index value to get the nominative form (14-20)
-  // for all other cases use index value as it is (0-13)
-  return l[index & 1 ? (number % 10 > 4 || number % 10 < 2 || 1 ===
-    ~~(number / 10) % 10 ? index : ++index / 2 + 13) : index];
-};
-
-/**
- * ptBR (Portuguese)
- */
-export const ptBR = function(number, index) {
-  return [
-    ['agora mesmo', 'daqui um pouco'],
-    ['há %s segundos', 'em %s segundos'],
-    ['há um minuto', 'em um minuto'],
-    ['há %s minutos', 'em %s minutos'],
-    ['há uma hora', 'em uma hora'],
-    ['há %s horas', 'em %s horas'],
-    ['há um dia', 'em um dia'],
-    ['há %s dias', 'em %s dias'],
-    ['há uma semana', 'em uma semana'],
-    ['há %s semanas', 'em %s semanas'],
-    ['há um mês', 'em um mês'],
-    ['há %s meses', 'em %s meses'],
-    ['há um ano', 'em um ano'],
-    ['há %s anos', 'em %s anos'],
-  ][index];
-};
-
-/**
- * ro (Romanian)
- */
-export const ro = function(number, index) {
-  const langTable = [
-    ['chiar acum', 'chiar acum'],
-    ['acum %s secunde', 'peste %s secunde'],
-    ['acum un minut', 'peste un minut'],
-    ['acum %s minute', 'peste %s minute'],
-    ['acum o oră', 'peste o oră'],
-    ['acum %s ore', 'peste %s ore'],
-    ['acum o zi', 'peste o zi'],
-    ['acum %s zile', 'peste %s zile'],
-    ['acum o săptămână', 'peste o săptămână'],
-    ['acum %s săptămâni', 'peste %s săptămâni'],
-    ['acum o lună', 'peste o lună'],
-    ['acum %s luni', 'peste %s luni'],
-    ['acum un an', 'peste un an'],
-    ['acum %s ani', 'peste %s ani'],
-  ];
-
-  if (number < 20) {
-    return langTable[index];
-  }
-
-  // A `de` preposition must be added between the number and the adverb
-  // if the number is greater than 20.
-  return [
-    langTable[index][0].replace('%s', '%s de'),
-    langTable[index][1].replace('%s', '%s de'),
-  ];
-};
-
-/**
- * ru (Russian)
- */
-export const ru = function(number, index) {
-  const seconds =
-    formatNum.bind(null, 'секунду', '%s секунду', '%s секунды', '%s секунд');
-  const minutes =
-    formatNum.bind(null, 'минуту', '%s минуту', '%s минуты', '%s минут');
-  const hours =
-    formatNum.bind(null, 'час', '%s час', '%s часа', '%s часов');
-  const days =
-    formatNum.bind(null, 'день', '%s день', '%s дня', '%s дней');
-  const weeks =
-    formatNum.bind(null, 'неделю', '%s неделю', '%s недели', '%s недель');
-  const months =
-    formatNum.bind(null, 'месяц', '%s месяц', '%s месяца', '%s месяцев');
-  const years =
-    formatNum.bind(null, 'год', '%s год', '%s года', '%s лет');
-
-  switch (index) {
-    case 0: return ['только что', 'через несколько секунд'];
-    case 1: return [seconds(number) + ' назад', 'через ' + seconds(number)];
-    case 2: // ['минуту назад', 'через минуту'];
-    case 3: return [minutes(number) + ' назад', 'через ' + minutes(number)];
-    case 4: // ['час назад', 'через час'];
-    case 5: return [hours(number) + ' назад', 'через ' + hours(number)];
-    case 6: return ['вчера', 'завтра'];
-    case 7: return [days(number) + ' назад', 'через ' + days(number)];
-    case 8: // ['неделю назад', 'через неделю'];
-    case 9: return [weeks(number) + ' назад', 'через ' + weeks(number)];
-    case 10: // ['месяц назад', 'через месяц'];
-    case 11: return [months(number) + ' назад', 'через ' + months(number)];
-    case 12: // ['год назад', 'через год'];
-    case 13: return [years(number) + ' назад', 'через ' + years(number)];
-    default: return ['', ''];
-  }
-
-  /**
-   *
-   * @param f1 - 1
-   * @param f - 21, 31, ...
-   * @param s - 2-4, 22-24, 32-34 ...
-   * @param t - 5-20, 25-30, ...
-   * @param n
-   * @return {string}
-   */
-  function formatNum(f1, f, s, t, n) {
-    const n10 = n % 10;
-    let str = t;
-
-    if (n === 1) {
-      str = f1;
-    } else if (n10 === 1 && n > 20) {
-      str = f;
-    } else if (n10 > 1 && n10 < 5 && (n > 20 || n < 10)) {
-      str = s;
-    }
-    return str;
-  }
-};
-
-/**
- * sv (Swedish)
- */
-export const sv = function(number, index) {
-  return [
-    ['just nu', 'om en stund'],
-    ['%s sekunder sedan', 'om %s seconder'],
-    ['1 minut sedan', 'om 1 minut'],
-    ['%s minuter sedan', 'om %s minuter'],
-    ['1 timme sedan', 'om 1 timme'],
-    ['%s timmar sedan', 'om %s timmar'],
-    ['1 dag sedan', 'om 1 dag'],
-    ['%s dagar sedan', 'om %s dagar'],
-    ['1 vecka sedan', 'om 1 vecka'],
-    ['%s veckor sedan', 'om %s veckor'],
-    ['1 månad sedan', 'om 1 månad'],
-    ['%s månader sedan', 'om %s månader'],
-    ['1 år sedan', 'om 1 år'],
-    ['%s år sedan', 'om %s år'],
-  ][index];
-};
-
-/**
- * ta (Tamil)
- */
-export const ta = function(number, index) {
-  return [
-    ['இப்போது', 'சற்று நேரம் முன்பு'],
-    ['%s நொடிக்கு முன்', '%s நொடிகளில்'],
-    ['1 நிமிடத்திற்க்கு முன்', '1 நிமிடத்தில்'],
-    ['%s நிமிடத்திற்க்கு முன்', '%s நிமிடங்களில்'],
-    ['1 மணி நேரத்திற்கு முன்', '1 மணி நேரத்திற்குள்'],
-    ['%s மணி நேரத்திற்கு முன்', '%s மணி நேரத்திற்குள்'],
-    ['1 நாளுக்கு முன்', '1 நாளில்'],
-    ['%s நாட்களுக்கு முன்', '%s நாட்களில்'],
-    ['1 வாரத்திற்கு முன்', '1 வாரத்தில்'],
-    ['%s வாரங்களுக்கு முன்', '%s வாரங்களில்'],
-    ['1 மாதத்திற்கு முன்', '1 மாதத்தில்'],
-    ['%s மாதங்களுக்கு முன்', '%s மாதங்களில்'],
-    ['1 வருடத்திற்கு முன்', '1 வருடத்தில்'],
-    ['%s வருடங்களுக்கு முன்', '%s வருடங்களில்'],
-  ][index];
-};
-
-/**
- * th (Thai)
- */
-export const th = function(number, index) {
-  return [
-    ['เมื่อสักครู่นี้', 'อีกสักครู่'],
-    ['%s วินาทีที่แล้ว', 'ใน %s วินาที'],
-    ['1 นาทีที่แล้ว', 'ใน 1 นาที'],
-    ['%s นาทีที่แล้ว', 'ใน %s นาที'],
-    ['1 ชั่วโมงที่แล้ว', 'ใน 1 ชั่วโมง'],
-    ['%s ชั่วโมงที่แล้ว', 'ใน %s ชั่วโมง'],
-    ['1 วันที่แล้ว', 'ใน 1 วัน'],
-    ['%s วันที่แล้ว', 'ใน %s วัน'],
-    ['1 อาทิตย์ที่แล้ว', 'ใน 1 อาทิตย์'],
-    ['%s อาทิตย์ที่แล้ว', 'ใน %s อาทิตย์'],
-    ['1 เดือนที่แล้ว', 'ใน 1 เดือน'],
-    ['%s เดือนที่แล้ว', 'ใน %s เดือน'],
-    ['1 ปีที่แล้ว', 'ใน 1 ปี'],
-    ['%s ปีที่แล้ว', 'ใน %s ปี'],
-  ][index];
-};
-
-/**
- * tr (Turkish)
- */
-export const tr = function(number, index) {
-  return [
-    ['az önce', 'şimdi'],
-    ['%s saniye önce', '%s saniye içinde'],
-    ['1 dakika önce', '1 dakika içinde'],
-    ['%s dakika önce', '%s dakika içinde'],
-    ['1 saat önce', '1 saat içinde'],
-    ['%s saat önce', '%s saat içinde'],
-    ['1 gün önce', '1 gün içinde'],
-    ['%s gün önce', '%s gün içinde'],
-    ['1 hafta önce', '1 hafta içinde'],
-    ['%s hafta önce', '%s hafta içinde'],
-    ['1 ay önce', '1 ay içinde'],
-    ['%s ay önce', '%s ay içinde'],
-    ['1 yıl önce', '1 yıl içinde'],
-    ['%s yıl önce', '%s yıl içinde'],
-  ][index];
-};
-
-/**
- * uk (Ukrainian)
- */
-export const uk = function(number, index) {
-  const seconds =
-    formatNum.bind(null, 'секунду', '%s секунду', '%s секунди', '%s секунд');
-  const minutes =
-    formatNum.bind(null, 'хвилину', '%s хвилину', '%s хвилини', '%s хвилин');
-  const hours =
-    formatNum.bind(null, 'годину', '%s годину', '%s години', '%s годин');
-  const days =
-    formatNum.bind(null, 'день', '%s день', '%s дні', '%s днів');
-  const weeks =
-    formatNum.bind(null, 'тиждень', '%s тиждень', '%s тиждні', '%s тижднів');
-  const months =
-    formatNum.bind(null, 'місяць', '%s місяць', '%s місяці', '%s місяців');
-  const years =
-    formatNum.bind(null, 'рік', '%s рік', '%s роки', '%s років');
-
-  switch (index) {
-    case 0: return ['щойно', 'через декілька секунд'];
-    case 1: return [seconds(number) + ' тому', 'через ' + seconds(number)];
-    case 2:
-    case 3: return [minutes(number) + ' тому', 'через ' + minutes(number)];
-    case 4:
-    case 5: return [hours(number) + ' тому', 'через ' + hours(number)];
-    case 6:
-    case 7: return [days(number) + ' тому', 'через ' + days(number)];
-    case 8:
-    case 9: return [weeks(number) + ' тому', 'через ' + weeks(number)];
-    case 10:
-    case 11: return [months(number) + ' тому', 'через ' + months(number)];
-    case 12:
-    case 13: return [years(number) + ' тому', 'через ' + years(number)];
-    default: return ['', ''];
-  }
-
-  function formatNum(f1, f, s, t, n) {
-    const n10 = n % 10;
-    let str = t;
-
-    if (n === 1) {
-      str = f1;
-    } else if (n10 === 1 && n > 20) {
-      str = f;
-    } else if (n10 > 1 && n10 < 5 && (n > 20 || n < 10)) {
-      str = s;
-    }
-    return str;
-  }
-};
-
-/**
- * vi (Vietnamese)
- */
-export const vi = function(number, index) {
-  return [
-    ['vừa xong', 'một lúc'],
-    ['%s giây trước', 'trong %s giây'],
-    ['1 phút trước', 'trong 1 phút'],
-    ['%s phút trước', 'trong %s phút'],
-    ['1 giờ trước', 'trong 1 giờ'],
-    ['%s giờ trước', 'trong %s giờ'],
-    ['1 ngày trước', 'trong 1 ngày'],
-    ['%s ngày trước', 'trong %s ngày'],
-    ['1 tuần trước', 'trong 1 tuần'],
-    ['%s tuần trước', 'trong %s tuần'],
-    ['1 tháng trước', 'trong 1 tháng'],
-    ['%s tháng trước', 'trong %s tháng'],
-    ['1 năm trước', 'trong 1 năm'],
-    ['%s năm trước', 'trong %s năm'],
-  ][index];
-};
-
-/**
- * zhCN (Chinese)
- */
-export const zhCN = function(number, index) {
-  return [
-    ['刚刚', '片刻后'],
-    ['%s秒前', '%s秒后'],
-    ['1分钟前', '1分钟后'],
-    ['%s分钟前', '%s分钟后'],
-    ['1小时前', '1小时后'],
-    ['%s小时前', '%s小时后'],
-    ['1天前', '1天后'],
-    ['%s天前', '%s天后'],
-    ['1周前', '1周后'],
-    ['%s周前', '%s周后'],
-    ['1月前', '1月后'],
-    ['%s月前', '%s月后'],
-    ['1年前', '1年后'],
-    ['%s年前', '%s年后'],
-  ][index];
-};
-
-/**
- * zhTW (Taiwanese)
- */
-export const zhTW = function(number, index) {
-  return [
-    ['剛剛', '片刻後'],
-    ['%s秒前', '%s秒後'],
-    ['1分鐘前', '1分鐘後'],
-    ['%s分鐘前', '%s分鐘後'],
-    ['1小時前', '1小時後'],
-    ['%s小時前', '%s小時後'],
-    ['1天前', '1天後'],
-    ['%s天前', '%s天後'],
-    ['1周前', '1周後'],
-    ['%s周前', '%s周後'],
-    ['1月前', '1月後'],
-    ['%s月前', '%s月後'],
-    ['1年前', '1年後'],
-    ['%s年前', '%s年後'],
-  ][index];
-};
diff --git a/third_party/timeagojs/timeago.js b/third_party/timeagojs/timeago.js
deleted file mode 100644
index dce1a452a577..000000000000
--- a/third_party/timeagojs/timeago.js
+++ /dev/null
@@ -1,158 +0,0 @@
-/**
- * Copyright (c) 2016 hustcc
- * License: MIT
- * Version: v3.0.0
- * https://github.com/hustcc/timeago.js
- */
-
-const locales = {};
-
-import {ar} from './timeago-locales';
-import {be} from './timeago-locales';
-import {bg} from './timeago-locales';
-import {ca} from './timeago-locales';
-import {da} from './timeago-locales';
-import {de} from './timeago-locales';
-import {el} from './timeago-locales';
-import {en} from './timeago-locales';
-import {enShort} from './timeago-locales';
-import {es} from './timeago-locales';
-import {eu} from './timeago-locales';
-import {fi} from './timeago-locales';
-import {fr} from './timeago-locales';
-import {he} from './timeago-locales';
-import {hu} from './timeago-locales';
-import {inBG} from './timeago-locales';
-import {inHI} from './timeago-locales';
-import {inID} from './timeago-locales';
-import {it} from './timeago-locales';
-import {ja} from './timeago-locales';
-import {ko} from './timeago-locales';
-import {ml} from './timeago-locales';
-import {nbNO} from './timeago-locales';
-import {nl} from './timeago-locales';
-import {nnNO} from './timeago-locales';
-import {pl} from './timeago-locales';
-import {ptBR} from './timeago-locales';
-import {ro} from './timeago-locales';
-import {ru} from './timeago-locales';
-import {sv} from './timeago-locales';
-import {ta} from './timeago-locales';
-import {th} from './timeago-locales';
-import {tr} from './timeago-locales';
-import {uk} from './timeago-locales';
-import {vi} from './timeago-locales';
-import {zhCN} from './timeago-locales';
-import {zhTW} from './timeago-locales';
-
-// second, minute, hour, day, week, month, year(365 days)
-const SEC_ARRAY = [60, 60, 24, 7, 365 / 7 / 12, 12];
-const SEC_ARRAY_LEN = 6;
-
-// format Date / string / timestamp to Date instance.
-function toDate(input) {
-  if (input instanceof Date) {
-    return input;
-  };
-  if (!isNaN(input)) {
-    return new Date(toInt(input));
-  }
-  if (/^\d+$/.test(input)) {
-    return new Date(toInt(input));
-  }
-  input = (input || '').trim().replace(/\.\d+/, '') // remove milliseconds
-    .replace(/-/, '/').replace(/-/, '/')
-    .replace(/(\d)T(\d)/, '$1 $2').replace(/Z/, ' UTC') // 2017-2-5T3:57:52Z -> 2017-2-5 3:57:52UTC
-    .replace(/([\+\-]\d\d)\:?(\d\d)/, ' $1$2'); // -04:00 -> -0400
-  return new Date(input);
-}
-
-// change f into int, remove decimal. Just for code compression
-function toInt(f) {
-  return parseInt(f, 10);
-}
-
-// format the diff second to *** time ago, with setting locale
-function formatDiff(diff, locale) {
-  // if locale is not exist, use defaultLocale.
-  // if defaultLocale is not exist, use build-in `en`.
-  // be sure of no error when locale is not exist.
-  locale = locales[locale] ? locale : 'en';
-  // if (! locales[locale]) locale = defaultLocale;
-  let i = 0;
-  const agoin = diff < 0 ? 1 : 0; // timein or timeago
-  const totalSec = diff = Math.abs(diff);
-
-  for (; diff >= SEC_ARRAY[i] && i < SEC_ARRAY_LEN; i++) {
-    diff /= SEC_ARRAY[i];
-  }
-  diff = toInt(diff);
-  i *= 2;
-
-  if (diff > (i === 0 ? 9 : 1)) {
-    i += 1;
-  }
-  return locales[locale](diff, i, totalSec)[agoin].replace('%s', diff);
-}
-
-// calculate the diff second between date to be formated an now date.
-function diffSec(date) {
-  const nowDate = new Date();
-  return (nowDate - toDate(date)) / 1000;
-}
-
-/**
- * timeago: the function to get `timeago` instance.
- * - nowDate: the relative date, default is new Date().
- * - defaultLocale: the default locale, default is en. if your set it, then the `locale` parameter of format is not needed of you.
- **/
-export function timeago(date, locale) {
-  return formatDiff(diffSec(date), locale);
-}
-
-/**
- * register: register a new language locale
- * - locale: locale name, e.g. en / zh_CN, notice the standard.
- * - localeFunc: the locale process function
- **/
-timeago.register = function(locale, localeFunc) {
-  locales[locale] = localeFunc;
-};
-
-timeago.register('ar', ar);
-timeago.register('be', be);
-timeago.register('bg', bg);
-timeago.register('ca', ca);
-timeago.register('da', da);
-timeago.register('de', de);
-timeago.register('el', el);
-timeago.register('en', en);
-timeago.register('enShort', enShort);
-timeago.register('es', es);
-timeago.register('eu', eu);
-timeago.register('fi', fi);
-timeago.register('fr', fr);
-timeago.register('he', he);
-timeago.register('hu', hu);
-timeago.register('inBG', inBG);
-timeago.register('inHI', inHI);
-timeago.register('inID', inID);
-timeago.register('it', it);
-timeago.register('ja', ja);
-timeago.register('ko', ko);
-timeago.register('ml', ml);
-timeago.register('nbNO', nbNO);
-timeago.register('nl', nl);
-timeago.register('nnNO', nnNO);
-timeago.register('pl', pl);
-timeago.register('ptBR', ptBR);
-timeago.register('ro', ro);
-timeago.register('ru', ru);
-timeago.register('sv', sv);
-timeago.register('ta', ta);
-timeago.register('th', th);
-timeago.register('tr', tr);
-timeago.register('uk', uk);
-timeago.register('vi', vi);
-timeago.register('zhCN', zhCN);
-timeago.register('zhTW', zhTW);