From 9880fe703706205e509d62c4d31ffc1b63c237e3 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Sat, 2 Feb 2019 11:20:03 +0800
Subject: [PATCH 1/7] chore(module): add ES2015 module support (#451)

---
 .npmignore   | 1 -
 package.json | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/.npmignore b/.npmignore
index 4f08223c0..3e276781d 100644
--- a/.npmignore
+++ b/.npmignore
@@ -13,7 +13,6 @@ package-lock.json
 coverage
 
 # dev
-src
 test
 build
 .babelrc
diff --git a/package.json b/package.json
index 1a64995be..05a9cf2cd 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "2KB immutable date time library alternative to Moment.js with the same modern API ",
   "main": "dayjs.min.js",
   "types": "index.d.ts",
+  "module": "./src/index.js",
   "scripts": {
     "test": "jest",
     "test-dst": "TZ=Pacific/Auckland npm run dst-test && TZ=Europe/London npm run dst-test && npm run dst-test",

From c4ff46fbc14449bdad9f086d3c9b6839f203961a Mon Sep 17 00:00:00 2001
From: waiting <waiting@xiaozhong.biz>
Date: Sat, 2 Feb 2019 11:29:46 +0800
Subject: [PATCH 2/7] chore(typings): default export issue#277 (#278)

ref: https://github.com/iamkun/dayjs/issues/277
---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index 1ef70ca57..40f877f5c 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,6 +1,6 @@
-export = dayjs;
 
 declare function dayjs (config?: dayjs.ConfigType, option?: dayjs.OptionType): dayjs.Dayjs
+export default dayjs
 
 declare namespace dayjs {
   export type ConfigType = string | number | Date | Dayjs

From 7287cdb6bc16da1f883ff8dadc30d249866787d5 Mon Sep 17 00:00:00 2001
From: Ferdinand Prantl <prantlf@gmail.com>
Date: Sat, 2 Feb 2019 05:10:28 +0100
Subject: [PATCH 3/7] chore: Add LocalizableFormat plugin supplying format
 options known from Moment.js (#305)

---
 docs/en/API-reference.md              |  1 +
 docs/en/I18n.md                       |  8 ++++
 docs/en/Plugin.md                     | 22 ++++++++++
 src/locale/bg.js                      | 10 ++++-
 src/locale/ca.js                      |  8 ++++
 src/locale/cs.js                      | 35 ++++++++++++++++
 src/locale/da.js                      |  8 ++++
 src/locale/de.js                      |  8 ++++
 src/locale/es.js                      |  8 ++++
 src/locale/fa.js                      |  8 ++++
 src/locale/fr.js                      |  8 ++++
 src/locale/hr.js                      |  8 ++++
 src/locale/id.js                      |  8 ++++
 src/locale/it.js                      |  8 ++++
 src/locale/ja.js                      |  8 ++++
 src/locale/ka.js                      |  8 ++++
 src/locale/ko.js                      |  8 ++++
 src/locale/nb.js                      |  8 ++++
 src/locale/nl.js                      |  8 ++++
 src/locale/pt-br.js                   |  8 ++++
 src/locale/ro.js                      |  8 ++++
 src/locale/ru.js                      |  8 ++++
 src/locale/sv.js                      |  8 ++++
 src/locale/th.js                      |  8 ++++
 src/locale/tr.js                      |  8 ++++
 src/locale/zh-cn.js                   |  8 ++++
 src/locale/zh-tw.js                   |  8 ++++
 src/plugin/localizableFormat/index.js | 24 +++++++++++
 test/locale/keys.test.js              |  4 ++
 test/plugin/localizableFormat.test.js | 60 +++++++++++++++++++++++++++
 30 files changed, 339 insertions(+), 1 deletion(-)
 create mode 100644 src/locale/cs.js
 create mode 100644 src/plugin/localizableFormat/index.js
 create mode 100644 test/plugin/localizableFormat.test.js

diff --git a/docs/en/API-reference.md b/docs/en/API-reference.md
index d8af8a5b6..171a916de 100644
--- a/docs/en/API-reference.md
+++ b/docs/en/API-reference.md
@@ -295,6 +295,7 @@ dayjs('2019-01-25').format('DD/MM/YYYY'); // '25/01/2019'
 | `a`    | am pm            |                                       |
 
 * More available formats `Q Do k kk X x ...` in plugin [`AdvancedFormat`](./Plugin.md#advancedformat)
+* Localizable format options compatioble with Moment.js `L LT LTS ...` in plugin [`LocalizableFormat`](./Plugin.md#localizableFormat)
 
 ### Difference `.diff(compared: Dayjs, unit: string (default: 'milliseconds'), float?: boolean)`
 
diff --git a/docs/en/I18n.md b/docs/en/I18n.md
index c08a1a1b9..417ebe0b1 100644
--- a/docs/en/I18n.md
+++ b/docs/en/I18n.md
@@ -83,6 +83,14 @@ const localeObject = {
   months: 'Enero_Febrero ... '.split('_'), // months Array
   monthsShort: 'Jan_F'.split('_'), // OPTIONAL, short months Array, use first three letters if not provided
   ordinal: n => `${n}º`, // ordinal Function (number) => return number + output
+  formats: { // abbreviated format options allowing localization
+    LTS: 'h:mm:ss A',
+    LT: 'h:mm A',
+    L: 'MM/DD/YYYY',
+    LL: 'MMMM D, YYYY',
+    LLL: 'MMMM D, YYYY h:mm A',
+    LLLL: 'dddd, MMMM D, YYYY h:mm A'
+  },
   relativeTime: { // relative time format strings, keep %s %d as the same
     future: 'in %s', // e.g. in 2 hours, %s been replaced with 2hours
     past: '%s ago',
diff --git a/docs/en/Plugin.md b/docs/en/Plugin.md
index 75f0c7af3..7c1d535b2 100644
--- a/docs/en/Plugin.md
+++ b/docs/en/Plugin.md
@@ -65,6 +65,28 @@ List of added formats:
 | `X`    | 1360013296       | Unix Timestamp in second              |
 | `x`    | 1360013296123    | Unix Timestamp in millisecond         |
 
+### LocalizableFormat
+ - LocalizableFormat extends `dayjs().format` API to supply localizable format options known from Moment.js.
+
+```javascript
+import localizableFormat from 'dayjs/plugin/localizableFormat'
+
+dayjs.extend(localizableFormat)
+
+dayjs().format('L LT')
+```
+
+List of added formats:
+
+| Format | English Locale            | Sample Output                     |
+| ------ | ------------------------- | --------------------------------- |
+| `LT`   | h:mm A                    | 8:02 PM                           |
+| `LTS`  | h:mm:ss A                 | 8:02:18 PM                        |
+| `L`    | MM/DD/YYYY                | 08/16/2018                        |
+| `LL`   | MMMM D, YYYY              | August 16, 2018                   |
+| `LLL`  | MMMM D, YYYY h:mm A       | August 16, 2018 8:02 PM           |
+| `LLLL` | dddd, MMMM D, YYYY h:mm A | Thursday, August 16, 2018 8:02 PM |
+
 ### RelativeTime
  - RelativeTime adds `.from` `.to` `.fromNow` `.toNow` APIs to formats date to relative time strings (e.g. 3 hours ago).
 
diff --git a/src/locale/bg.js b/src/locale/bg.js
index 458dcb3d2..ae97a58a3 100644
--- a/src/locale/bg.js
+++ b/src/locale/bg.js
@@ -4,7 +4,15 @@ const locale = {
   name: 'bg',
   weekdays: 'Неделя_Понеделник_Вторник_Сряда_Четвъртък_Петък_Събота'.split('_'),
   months: 'Януари_Февруари_Март_Април_Май_Юни_Юли_Август_Септември_Октомври_Ноември_Декември'.split('_'),
-  ordinal: n => `${n}.`
+  ordinal: n => `${n}.`,
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'D.MM.YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY H:mm',
+    LLLL: 'dddd, D MMMM YYYY H:mm'
+  }
 }
 
 dayjs.locale(locale, null, true)
diff --git a/src/locale/ca.js b/src/locale/ca.js
index 83f442c88..017c1c234 100644
--- a/src/locale/ca.js
+++ b/src/locale/ca.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'ca',
   weekdays: 'Diumenge_Dilluns_Dimarts_Dimecres_Dijous_Divendres_Dissabte'.split('_'),
   months: 'Gener_Febrer_Març_Abril_Maig_Juny_Juliol_Agost_Setembre_Octubre_Novembre_Desembre'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM [de] YYYY',
+    LLL: 'D MMMM [de] YYYY [a les] H:mm',
+    LLLL: 'dddd D MMMM [de] YYYY [a les] H:mm'
+  },
   relativeTime: {
     future: 'en %s',
     past: 'fa %s',
diff --git a/src/locale/cs.js b/src/locale/cs.js
new file mode 100644
index 000000000..66ade81ef
--- /dev/null
+++ b/src/locale/cs.js
@@ -0,0 +1,35 @@
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'cs',
+  weekdays: 'neděle_pondělí_úterý_středa_čtvrtek_pátek_sobota'.split('_'),
+  months: 'leden_únor_březen_duben_květen_červen_červenec_srpen_září_říjen_listopad_prosinec'.split('_'),
+  ordinal: n => `${n}.`,
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D. MMMM YYYY',
+    LLL: 'D. MMMM YYYY H:mm',
+    LLLL: 'dddd D. MMMM YYYY H:mm'
+  },
+  relativeTime: {
+    future: 'za %s',
+    past: 'před %s',
+    s: 'několik sekund',
+    m: 'minutu',
+    mm: '%d minut',
+    h: 'hodinu',
+    hh: '%d hodin',
+    d: 'den',
+    dd: '%d dní',
+    M: 'měsíc',
+    MM: '%d měsícú',
+    y: 'rok',
+    yy: '%d let'
+  }
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
diff --git a/src/locale/da.js b/src/locale/da.js
index 6c5a0912b..17b99bce1 100644
--- a/src/locale/da.js
+++ b/src/locale/da.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'søndag_mandag_tirsdag_onsdag_torsdag_fredag_lørdag'.split('_'),
   months: 'januar_februar_marts_april_maj_juni_juli_august_september_oktober_november_december'.split('_'),
   ordinal: n => `${n}.`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D. MMMM YYYY',
+    LLL: 'D. MMMM YYYY HH:mm',
+    LLLL: 'dddd [d.] D. MMMM YYYY [kl.] HH:mm'
+  },
   relativeTime: {
     future: 'om %s',
     past: '%s siden',
diff --git a/src/locale/de.js b/src/locale/de.js
index a5b5901d0..204b0d6ee 100644
--- a/src/locale/de.js
+++ b/src/locale/de.js
@@ -6,6 +6,14 @@ const locale = {
   months: 'Januar_Februar_März_April_Mai_Juni_Juli_August_September_Oktober_November_Dezember'.split('_'),
   monthsShort: 'Jan_Feb_März_Apr_Mai_Juni_Juli_Aug_Sept_Okt_Nov_Dez'.split('_'),
   ordinal: n => `${n}.`,
+  formats: {
+    LTS: 'HH:mm:ss',
+    LT: 'HH:mm',
+    L: 'DD.MM.YYYY',
+    LL: 'D. MMMM YYYY',
+    LLL: 'D. MMMM YYYY HH:mm',
+    LLLL: 'dddd, D. MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: 'in %s',
     past: 'vor %s',
diff --git a/src/locale/es.js b/src/locale/es.js
index d3c38c6ea..d62accccd 100644
--- a/src/locale/es.js
+++ b/src/locale/es.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'Domingo_Lunes_Martes_Miércoles_Jueves_Viernes_Sábado'.split('_'),
   months: 'Enero_Febrero_Marzo_Abril_Mayo_Junio_Julio_Agosto_Septiembre_Octubre_Noviembre_Diciembre'.split('_'),
   monthsShort: 'enero_feb_marzo_abr_mayo_jun_jul_agosto_sept_oct_nov_dic'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D [de] MMMM [de] YYYY',
+    LLL: 'D [de] MMMM [de] YYYY H:mm',
+    LLLL: 'dddd, D [de] MMMM [de] YYYY H:mm'
+  },
   relativeTime: {
     future: 'en %s',
     past: 'hace %s',
diff --git a/src/locale/fa.js b/src/locale/fa.js
index c2bd11108..e7b64ea4c 100644
--- a/src/locale/fa.js
+++ b/src/locale/fa.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'یک‌شنبه_دوشنبه_سه‌شنبه_چهارشنبه_پنج‌شنبه_جمعه_شنبه'.split('_'),
   months: 'ژانویه_فوریه_مارس_آوریل_مه_ژوئن_ژوئیه_اوت_سپتامبر_اکتبر_نوامبر_دسامبر'.split('_'),
   ordinal: n => n,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd, D MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: '%s در',
     past: 'پیش %s',
diff --git a/src/locale/fr.js b/src/locale/fr.js
index ea9a11002..9ad79a4a3 100644
--- a/src/locale/fr.js
+++ b/src/locale/fr.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'Dimanche_Lundi_Mardi_Mercredi_Jeudi_Vendredi_Samedi'.split('_'),
   months: 'Janvier_Février_Mars_Avril_Mai_Juin_Juillet_Août_Septembre_Octobre_Novembre_Décembre'.split('_'),
   monthsShort: 'janv_févr_mars_avril_mai_juin_juil_août_sept_oct_nov_déc'.split('_'),
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd D MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: 'dans %s',
     past: 'il y a %s',
diff --git a/src/locale/hr.js b/src/locale/hr.js
index 7719b628f..e19fbb567 100644
--- a/src/locale/hr.js
+++ b/src/locale/hr.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'hr',
   weekdays: 'Nedjelja_Ponedjeljak_Utorak_Srijeda_Četvrtak_Petak_Subota'.split('_'),
   months: 'Siječanj_Veljača_Ožujak_Travanj_Svibanj_Lipanj_Srpanj_Kolovoz_Rujan_Listopad_Studeni_Prosinac'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D. MMMM YYYY',
+    LLL: 'D. MMMM YYYY H:mm',
+    LLLL: 'dddd, D. MMMM YYYY H:mm'
+  },
   relativeTime: {
     future: 'za %s',
     past: 'prije %s',
diff --git a/src/locale/id.js b/src/locale/id.js
index 30d4cd7c7..fa033abf8 100644
--- a/src/locale/id.js
+++ b/src/locale/id.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'id',
   weekdays: 'Minggu_Senin_Selasa_Rabu_Kamis_Jumat_Sabtu'.split('_'),
   months: 'Januari_Februari_Maret_April_Mei_Juni_Juli_Agustus_September_Oktober_November_Desember'.split('_'),
+  formats: {
+    LT: 'HH.mm',
+    LTS: 'HH.mm.ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY [pukul] HH.mm',
+    LLLL: 'dddd, D MMMM YYYY [pukul] HH.mm'
+  },
   relativeTime: {
     future: 'dalam %s',
     past: '%s yang lalu',
diff --git a/src/locale/it.js b/src/locale/it.js
index c57f5af69..acd0b6202 100644
--- a/src/locale/it.js
+++ b/src/locale/it.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'Domenica_Lunedì_Martedì_Mercoledì_Giovedì_Venerdì_Sabato'.split('_'),
   months: 'Gennaio_Febbraio_Marzo_Aprile_Maggio_Giugno_Luglio_Agosto_Settembre_Ottobre_Novembre_Dicembre'.split('_'),
   monthsShort: 'genn_febbr_mar_apr_magg_giugno_luglio_ag_sett_ott_nov_dic'.split('_'),
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd D MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: 'tra %s',
     past: 'da %s',
diff --git a/src/locale/ja.js b/src/locale/ja.js
index 9800fa9e8..a088ff666 100644
--- a/src/locale/ja.js
+++ b/src/locale/ja.js
@@ -7,6 +7,14 @@ const locale = {
   weekdaysMin: '日_月_火_水_木_金_土'.split('_'),
   months: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
   ordinal: n => `${n}日`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'YYYY/MM/DD',
+    LL: 'YYYY年M月D日',
+    LLL: 'YYYY年M月D日 HH:mm',
+    LLLL: 'YYYY年M月D日 dddd HH:mm'
+  },
   relativeTime: {
     future: '%s後',
     past: '%s前',
diff --git a/src/locale/ka.js b/src/locale/ka.js
index 1ceece54a..43d06b0b4 100644
--- a/src/locale/ka.js
+++ b/src/locale/ka.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'ka',
   weekdays: 'კვირა_ორშაბათი_სამშაბათი_გარემო_ხუთშაბათი_პარასკევი_შაბათს'.split('_'),
   months: 'იანვარი_თებერვალი_მარტი_აპრილი_მაისი_ივნისი_ივლისი_აგვისტო_სექტემბერი_ოქტომბერი_ნოემბერი_დეკემბერი'.split('_'),
+  formats: {
+    LT: 'h:mm A',
+    LTS: 'h:mm:ss A',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY h:mm A',
+    LLLL: 'dddd, D MMMM YYYY h:mm A'
+  },
   relativeTime: {
     future: '%s შემდეგ',
     past: '%s წინ',
diff --git a/src/locale/ko.js b/src/locale/ko.js
index 02b75d4a7..c5d3860a9 100644
--- a/src/locale/ko.js
+++ b/src/locale/ko.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: '일요일_월요일_화요일_수요일_목요일_금요일_토요일'.split('_'),
   months: '1월_2월_3월_4월_5월_6월_7월_8월_9월_10월_11월_12월'.split('_'),
   ordinal: n => n,
+  formats: {
+    LT: 'A h:mm',
+    LTS: 'A h:mm:ss',
+    L: 'YYYY.MM.DD.',
+    LL: 'YYYY년 MMMM D일',
+    LLL: 'YYYY년 MMMM D일 A h:mm',
+    LLLL: 'YYYY년 MMMM D일 dddd A h:mm'
+  },
   relativeTime: {
     future: '%s 후',
     past: '%s 전',
diff --git a/src/locale/nb.js b/src/locale/nb.js
index 9cf2591d8..41288a1e3 100644
--- a/src/locale/nb.js
+++ b/src/locale/nb.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'søndag_mandag_tirsdag_onsdag_torsdag_fredag_lørdag'.split('_'),
   months: 'januar_februar_mars_april_mai_juni_juli_august_september_oktober_november_desember'.split('_'),
   ordinal: n => `${n}.`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D. MMMM YYYY',
+    LLL: 'D. MMMM YYYY [kl.] HH:mm',
+    LLLL: 'dddd D. MMMM YYYY [kl.] HH:mm'
+  },
   relativeTime: {
     future: 'om %s',
     past: 'for %s siden',
diff --git a/src/locale/nl.js b/src/locale/nl.js
index bd71b14ec..a8cacd1c0 100644
--- a/src/locale/nl.js
+++ b/src/locale/nl.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'zondag_maandag_dinsdag_woensdag_donderdag_vrijdag_zaterdag'.split('_'),
   months: 'januari_februari_maart_april_mei_juni_juli_augustus_september_oktober_november_december'.split('_'),
   ordinal: n => `${n}.`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD-MM-YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd D MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: 'over %s',
     past: '%s geleden',
diff --git a/src/locale/pt-br.js b/src/locale/pt-br.js
index 12f57fe37..3ac0c250e 100644
--- a/src/locale/pt-br.js
+++ b/src/locale/pt-br.js
@@ -5,6 +5,14 @@ const locale = {
   weekdays: 'Domingo_Segunda-feira_Terça-feira_Quarta-feira_Quinta-feira_Sexta-feira_Sábado'.split('_'),
   months: 'Janeiro_Fevereiro_Março_Abril_Maio_Junho_Julho_Agosto_Setembro_Outubro_Novembro_Dezembro'.split('_'),
   ordinal: n => `${n}º`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D [de] MMMM [de] YYYY',
+    LLL: 'D [de] MMMM [de] YYYY [às] HH:mm',
+    LLLL: 'dddd, D [de] MMMM [de] YYYY [às] HH:mm'
+  },
   relativeTime: {
     future: 'em %s',
     past: 'há %s',
diff --git a/src/locale/ro.js b/src/locale/ro.js
index c2b15317c..f792add31 100644
--- a/src/locale/ro.js
+++ b/src/locale/ro.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'ro',
   weekdays: 'Duminică_Luni_Marți_Miercuri_Joi_Vineri_Sâmbătă'.split('_'),
   months: 'Ianuarie_Februarie_Martie_Aprilie_Mai_Iunie_Iulie_August_Septembrie_Octombrie_Noiembrie_Decembrie'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY H:mm',
+    LLLL: 'dddd, D MMMM YYYY H:mm'
+  },
   relativeTime: {
     future: 'peste %s',
     past: 'acum %s',
diff --git a/src/locale/ru.js b/src/locale/ru.js
index 38c125405..d59d0cdbb 100644
--- a/src/locale/ru.js
+++ b/src/locale/ru.js
@@ -7,6 +7,14 @@ const locale = {
   weekdaysMin: 'вс_пн_вт_ср_чт_пт_сб'.split('_'),
   months: 'январь_февраль_март_апрель_май_июнь_июль_август_сентябрь_октябрь_ноябрь_декабрь'.split('_'),
   monthsShort: 'янв_фев_мар_апр_май_июн_июл_авг_сен_окт_ноя_дек'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D MMMM YYYY г.',
+    LLL: 'D MMMM YYYY г., H:mm',
+    LLLL: 'dddd, D MMMM YYYY г., H:mm'
+  },
   relativeTime: {
     future: 'через %s',
     past: '%s назад',
diff --git a/src/locale/sv.js b/src/locale/sv.js
index 970822c2a..e70ae23a3 100644
--- a/src/locale/sv.js
+++ b/src/locale/sv.js
@@ -9,6 +9,14 @@ const locale = {
     const o = (b === 1) || (b === 2) ? 'a' : 'e'
     return `${n}${o}`
   },
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'YYYY-MM-DD',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY [kl.] HH:mm',
+    LLLL: 'dddd D MMMM YYYY [kl.] HH:mm'
+  },
   relativeTime: {
     future: 'om %s',
     past: 'för %s sedan',
diff --git a/src/locale/th.js b/src/locale/th.js
index a9cc8fc52..6b2ca4485 100644
--- a/src/locale/th.js
+++ b/src/locale/th.js
@@ -7,6 +7,14 @@ const locale = {
   weekdaysMin: 'อา._จ._อ._พ._พฤ._ศ._ส.'.split('_'),
   months: 'มกราคม_กุมภาพันธ์_มีนาคม_เมษายน_พฤษภาคม_มิถุนายน_กรกฏาคม_สิงหาคม_กันยายน_ตุลาคม_พฤศจิกายน_ธันวาคม'.split('_'),
   monthsShort: 'ม.ค._ก.พ._มี.ค._เม.ย._พ.ค._มิ.ย._ก.ค._ส.ค._ก.ย._ต.ค._พ.ย._ธ.ค.'.split('_'),
+  formats: {
+    LT: 'H:mm',
+    LTS: 'H:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY เวลา H:mm',
+    LLLL: 'วันddddที่ D MMMM YYYY เวลา H:mm'
+  },
   relativeTime: {
     future: 'อีก %s',
     past: '%s ที่ผ่านมา',
diff --git a/src/locale/tr.js b/src/locale/tr.js
index 6843cfa09..1e92eefd7 100644
--- a/src/locale/tr.js
+++ b/src/locale/tr.js
@@ -4,6 +4,14 @@ const locale = {
   name: 'tr',
   weekdays: 'Pazar_Pazartesi_Salı_Çarşamba_Perşembe_Cuma_Cumartesi'.split('_'),
   months: 'Ocak_Şubat_Mart_Nisan_Mayıs_Haziran_Temmuz_Ağustos_Eylül_Ekim_Kasım_Aralık'.split('_'),
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD.MM.YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd, D MMMM YYYY HH:mm'
+  },
   relativeTime: {
     future: '%s sonra',
     past: '%s önce',
diff --git a/src/locale/zh-cn.js b/src/locale/zh-cn.js
index 31e0d996b..f30c297e9 100644
--- a/src/locale/zh-cn.js
+++ b/src/locale/zh-cn.js
@@ -8,6 +8,14 @@ const locale = {
   months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split('_'),
   monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
   ordinal: n => `${n}日`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'YYYY/MM/DD',
+    LL: 'YYYY年M月D日',
+    LLL: 'YYYY年M月D日Ah点mm分',
+    LLLL: 'YYYY年M月D日ddddAh点mm分'
+  },
   relativeTime: {
     future: '%s内',
     past: '%s前',
diff --git a/src/locale/zh-tw.js b/src/locale/zh-tw.js
index 3886d12a8..91a6e02e7 100644
--- a/src/locale/zh-tw.js
+++ b/src/locale/zh-tw.js
@@ -8,6 +8,14 @@ const locale = {
   months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split('_'),
   monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
   ordinal: n => `${n}日`,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'YYYY/MM/DD',
+    LL: 'YYYY年M月D日',
+    LLL: 'YYYY年M月D日 HH:mm',
+    LLLL: 'YYYY年M月D日dddd HH:mm'
+  },
   relativeTime: {
     future: '%s內',
     past: '%s前',
diff --git a/src/plugin/localizableFormat/index.js b/src/plugin/localizableFormat/index.js
new file mode 100644
index 000000000..37d4db0ab
--- /dev/null
+++ b/src/plugin/localizableFormat/index.js
@@ -0,0 +1,24 @@
+import { FORMAT_DEFAULT } from '../../constant'
+
+export default (o, c, d) => {
+  const proto = c.prototype
+  const oldFormat = proto.format
+  const englishFormats = {
+    LTS: 'h:mm:ss A',
+    LT: 'h:mm A',
+    L: 'MM/DD/YYYY',
+    LL: 'MMMM D, YYYY',
+    LLL: 'MMMM D, YYYY h:mm A',
+    LLLL: 'dddd, MMMM D, YYYY h:mm A'
+  }
+  d.en.formats = englishFormats
+  proto.format = function (formatStr) {
+    const locale = this.$locale()
+    const formats = locale.formats || {}
+    const str = formatStr || FORMAT_DEFAULT
+    const result = str.replace(/LTS|LT|L{1,4}/g, match =>
+      formats[match] || englishFormats[match])
+    return oldFormat.call(this, result)
+  }
+}
+
diff --git a/test/locale/keys.test.js b/test/locale/keys.test.js
index 68219c751..85746e524 100644
--- a/test/locale/keys.test.js
+++ b/test/locale/keys.test.js
@@ -19,6 +19,7 @@ it('Locale keys', () => {
       ordinal,
       weekdays,
       months,
+      formats,
       relativeTime,
       weekdaysShort,
       monthsShort,
@@ -36,6 +37,9 @@ it('Locale keys', () => {
     expect(ordinal(1)).toEqual(expect.anything())
     expect(ordinal(3)).toEqual(expect.anything())
     expect(dayjs().locale(name).$locale().name).toBe(name)
+    if (formats) {
+      expect(Object.keys(formats).sort()).toEqual(['L', 'LL', 'LLL', 'LLLL', 'LT', 'LTS'].sort())
+    }
     if (relativeTime) {
       expect(Object.keys(relativeTime).sort()).toEqual(['d', 'dd', 'future', 'h', 'hh', 'm', 'mm', 'M', 'MM',
         'past', 's', 'y', 'yy']
diff --git a/test/plugin/localizableFormat.test.js b/test/plugin/localizableFormat.test.js
new file mode 100644
index 000000000..e74c3b390
--- /dev/null
+++ b/test/plugin/localizableFormat.test.js
@@ -0,0 +1,60 @@
+import MockDate from 'mockdate'
+import moment from 'moment'
+import dayjs from '../../src'
+import es from '../../src/locale/es'
+import ar from '../../src/locale/ar'
+import localizableFormat from '../../src/plugin/localizableFormat'
+
+dayjs.extend(localizableFormat)
+
+beforeEach(() => {
+  MockDate.set(new Date())
+})
+
+afterEach(() => {
+  MockDate.reset()
+})
+
+it('Declares English localizable formats', () => {
+  expect(dayjs.en).toBeDefined()
+  expect(dayjs.en.formats).toBeDefined();
+  ['LT', 'LTS', 'L', 'LL', 'LLL', 'LLLL'].forEach(option =>
+    expect(dayjs.en.formats[option]).toBeDefined())
+})
+
+it('Recognizes localizable format options', () => {
+  const { formats } = dayjs.en
+  const date = dayjs();
+  ['LT', 'LTS', 'L', 'LL', 'LLL', 'LLLL'].forEach(option =>
+    expect(date.format(option)).toBe(date.format(formats[option])))
+})
+
+it('Uses correct English formats', () => {
+  const date = new Date()
+  const actualDate = dayjs(date)
+  const expectedDate = moment(date);
+  ['LT', 'LTS', 'L', 'LL', 'LLL', 'LLLL'].forEach(option =>
+    expect(actualDate.format(option)).toBe(expectedDate.format(option)))
+})
+
+it('Uses English formats in other locales as default', () => {
+  const date = new Date()
+  const actualDate = dayjs(date)
+  const expectedDate = moment(date)
+  // todo: ar here isn't a good fix here
+  expect(actualDate.locale(ar).format('L')).toBe(expectedDate.format('L'))
+})
+
+it('Leaves the default format intact', () => {
+  const date = new Date()
+  const actualDate = dayjs(date)
+  const expectedDate = moment(date)
+  expect(actualDate.format()).toBe(expectedDate.format())
+})
+
+it('Uses the locale of the dayjs instance', () => {
+  const date = new Date()
+  const englishDate = dayjs(date)
+  const spanishDate = dayjs(date, { locale: es })
+  expect(englishDate.format('L LTS')).not.toBe(spanishDate.format('L LTS'))
+})

From 1e185b5d364380f541abc67d9a4d189cff988097 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Sat, 2 Feb 2019 13:25:36 +0800
Subject: [PATCH 4/7] chore: rename plugin LocalizableFormat to LocalizedFormat
 (#471)

---
 docs/en/API-reference.md                                  | 2 +-
 docs/en/Plugin.md                                         | 8 ++++----
 .../{localizableFormat => localizedFormat}/index.js       | 0
 test/plugin/localizableFormat.test.js                     | 8 ++++----
 4 files changed, 9 insertions(+), 9 deletions(-)
 rename src/plugin/{localizableFormat => localizedFormat}/index.js (100%)

diff --git a/docs/en/API-reference.md b/docs/en/API-reference.md
index 171a916de..e95153871 100644
--- a/docs/en/API-reference.md
+++ b/docs/en/API-reference.md
@@ -295,7 +295,7 @@ dayjs('2019-01-25').format('DD/MM/YYYY'); // '25/01/2019'
 | `a`    | am pm            |                                       |
 
 * More available formats `Q Do k kk X x ...` in plugin [`AdvancedFormat`](./Plugin.md#advancedformat)
-* Localizable format options compatioble with Moment.js `L LT LTS ...` in plugin [`LocalizableFormat`](./Plugin.md#localizableFormat)
+* Localized format options `L LT LTS ...` in plugin [`LocalizedFormat`](./Plugin.md#localizedFormat)
 
 ### Difference `.diff(compared: Dayjs, unit: string (default: 'milliseconds'), float?: boolean)`
 
diff --git a/docs/en/Plugin.md b/docs/en/Plugin.md
index 7c1d535b2..ec35369e5 100644
--- a/docs/en/Plugin.md
+++ b/docs/en/Plugin.md
@@ -65,13 +65,13 @@ List of added formats:
 | `X`    | 1360013296       | Unix Timestamp in second              |
 | `x`    | 1360013296123    | Unix Timestamp in millisecond         |
 
-### LocalizableFormat
- - LocalizableFormat extends `dayjs().format` API to supply localizable format options known from Moment.js.
+### LocalizedFormat
+ - LocalizedFormat extends `dayjs().format` API to supply localized format options known from Moment.js.
 
 ```javascript
-import localizableFormat from 'dayjs/plugin/localizableFormat'
+import LocalizedFormat from 'dayjs/plugin/localizedFormat'
 
-dayjs.extend(localizableFormat)
+dayjs.extend(LocalizedFormat)
 
 dayjs().format('L LT')
 ```
diff --git a/src/plugin/localizableFormat/index.js b/src/plugin/localizedFormat/index.js
similarity index 100%
rename from src/plugin/localizableFormat/index.js
rename to src/plugin/localizedFormat/index.js
diff --git a/test/plugin/localizableFormat.test.js b/test/plugin/localizableFormat.test.js
index e74c3b390..5e6b3055d 100644
--- a/test/plugin/localizableFormat.test.js
+++ b/test/plugin/localizableFormat.test.js
@@ -3,9 +3,9 @@ import moment from 'moment'
 import dayjs from '../../src'
 import es from '../../src/locale/es'
 import ar from '../../src/locale/ar'
-import localizableFormat from '../../src/plugin/localizableFormat'
+import localizedFormat from '../../src/plugin/localizedFormat'
 
-dayjs.extend(localizableFormat)
+dayjs.extend(localizedFormat)
 
 beforeEach(() => {
   MockDate.set(new Date())
@@ -15,14 +15,14 @@ afterEach(() => {
   MockDate.reset()
 })
 
-it('Declares English localizable formats', () => {
+it('Declares English localized formats', () => {
   expect(dayjs.en).toBeDefined()
   expect(dayjs.en.formats).toBeDefined();
   ['LT', 'LTS', 'L', 'LL', 'LLL', 'LLLL'].forEach(option =>
     expect(dayjs.en.formats[option]).toBeDefined())
 })
 
-it('Recognizes localizable format options', () => {
+it('Recognizes localized format options', () => {
   const { formats } = dayjs.en
   const date = dayjs();
   ['LT', 'LTS', 'L', 'LL', 'LLL', 'LLLL'].forEach(option =>

From 7e040040962cea1019f57ad7c5b67380275efd18 Mon Sep 17 00:00:00 2001
From: Dennis Fridrich <fridrich.dennis@gmail.com>
Date: Tue, 22 Jan 2019 09:58:02 +0100
Subject: [PATCH 5/7] fix():  Add missing czech language locale (#461)

* Add Czech support
---
 src/locale/cs.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/locale/cs.js b/src/locale/cs.js
index 66ade81ef..1f4393f41 100644
--- a/src/locale/cs.js
+++ b/src/locale/cs.js
@@ -17,16 +17,16 @@ const locale = {
     future: 'za %s',
     past: 'před %s',
     s: 'několik sekund',
-    m: 'minutu',
+    m: 'minuta',
     mm: '%d minut',
-    h: 'hodinu',
+    h: 'hodina',
     hh: '%d hodin',
     d: 'den',
-    dd: '%d dní',
+    dd: '%d dnů',
     M: 'měsíc',
-    MM: '%d měsícú',
+    MM: '%d měsíců',
     y: 'rok',
-    yy: '%d let'
+    yy: '%d roků'
   }
 }
 

From f6d9a6441a8b5a5815e690914bed4422289e2024 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Sat, 2 Feb 2019 12:14:56 +0800
Subject: [PATCH 6/7] fix: fix it locale error (#458)

* fix: fix it locale error

* fix: fix es locale monthsShort error

* test: fix test

* fix: add missing es-do and es-us locale file
---
 src/locale/{es-es.js => es-do.js} |  7 +++++--
 src/locale/es-us.js               | 30 ++++++++++++++++++++++++++++++
 src/locale/es.js                  |  6 ++++--
 src/locale/it.js                  |  8 +++++---
 test/locale.test.js               | 26 +++++++++++++-------------
 5 files changed, 57 insertions(+), 20 deletions(-)
 rename src/locale/{es-es.js => es-do.js} (66%)
 create mode 100644 src/locale/es-us.js

diff --git a/src/locale/es-es.js b/src/locale/es-do.js
similarity index 66%
rename from src/locale/es-es.js
rename to src/locale/es-do.js
index ee630fdaa..434584ecd 100644
--- a/src/locale/es-es.js
+++ b/src/locale/es-do.js
@@ -1,9 +1,12 @@
 import dayjs from 'dayjs'
 
 const locale = {
-  name: 'es-es',
-  weekdays: 'Domingo_Lunes_Martes_Miércoles_Jueves_Viernes_Sábado'.split('_'),
+  name: 'es-do',
+  weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
+  weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
+  weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
   months: 'Enero_Febrero_Marzo_Abril_Mayo_Junio_Julio_Agosto_Septiembre_Octubre_Noviembre_Diciembre'.split('_'),
+  monthsShort: 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
   relativeTime: {
     future: 'en %s',
     past: 'hace %s',
diff --git a/src/locale/es-us.js b/src/locale/es-us.js
new file mode 100644
index 000000000..ba5b74d9a
--- /dev/null
+++ b/src/locale/es-us.js
@@ -0,0 +1,30 @@
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'es-us',
+  weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
+  weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
+  weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
+  months: 'Enero_Febrero_Marzo_Abril_Mayo_Junio_Julio_Agosto_Septiembre_Octubre_Noviembre_Diciembre'.split('_'),
+  monthsShort: 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
+  relativeTime: {
+    future: 'en %s',
+    past: 'hace %s',
+    s: 'unos segundos',
+    m: 'un minuto',
+    mm: '%d minutos',
+    h: 'una hora',
+    hh: '%d horas',
+    d: 'un día',
+    dd: '%d días',
+    M: 'un mes',
+    MM: '%d meses',
+    y: 'un año',
+    yy: '%d años'
+  },
+  ordinal: n => `${n}º`
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
diff --git a/src/locale/es.js b/src/locale/es.js
index d62accccd..e39e4b175 100644
--- a/src/locale/es.js
+++ b/src/locale/es.js
@@ -2,9 +2,11 @@ import dayjs from 'dayjs'
 
 const locale = {
   name: 'es',
-  weekdays: 'Domingo_Lunes_Martes_Miércoles_Jueves_Viernes_Sábado'.split('_'),
+  monthsShort: 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_'),
+  weekdays: 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
+  weekdaysShort: 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
+  weekdaysMin: 'do_lu_ma_mi_ju_vi_sá'.split('_'),
   months: 'Enero_Febrero_Marzo_Abril_Mayo_Junio_Julio_Agosto_Septiembre_Octubre_Noviembre_Diciembre'.split('_'),
-  monthsShort: 'enero_feb_marzo_abr_mayo_jun_jul_agosto_sept_oct_nov_dic'.split('_'),
   formats: {
     LT: 'H:mm',
     LTS: 'H:mm:ss',
diff --git a/src/locale/it.js b/src/locale/it.js
index acd0b6202..f5cd43c46 100644
--- a/src/locale/it.js
+++ b/src/locale/it.js
@@ -2,9 +2,11 @@ import dayjs from 'dayjs'
 
 const locale = {
   name: 'it',
-  weekdays: 'Domenica_Lunedì_Martedì_Mercoledì_Giovedì_Venerdì_Sabato'.split('_'),
-  months: 'Gennaio_Febbraio_Marzo_Aprile_Maggio_Giugno_Luglio_Agosto_Settembre_Ottobre_Novembre_Dicembre'.split('_'),
-  monthsShort: 'genn_febbr_mar_apr_magg_giugno_luglio_ag_sett_ott_nov_dic'.split('_'),
+  weekdays: 'domenica_lunedì_martedì_mercoledì_giovedì_venerdì_sabato'.split('_'),
+  weekdaysShort: 'dom_lun_mar_mer_gio_ven_sab'.split('_'),
+  weekdaysMin: 'do_lu_ma_me_gi_ve_sa'.split('_'),
+  months: 'gennaio_febbraio_marzo_aprile_maggio_giugno_luglio_agosto_settembre_ottobre_novembre_dicembre'.split('_'),
+  monthsShort: 'gen_feb_mar_apr_mag_giu_lug_ago_set_ott_nov_dic'.split('_'),
   formats: {
     LT: 'HH:mm',
     LTS: 'HH:mm:ss',
diff --git a/test/locale.test.js b/test/locale.test.js
index c1daa8dad..06560b6ba 100644
--- a/test/locale.test.js
+++ b/test/locale.test.js
@@ -15,7 +15,7 @@ const format = 'dddd D, MMMM'
 it('Uses spanish locale through constructor', () => { // not recommend
   expect(dayjs('2018-4-28', { locale: es })
     .format(format))
-    .toBe('Sábado 28, Abril')
+    .toBe('sábado 28, Abril')
 })
 
 it('set locale for one instance only', () => {
@@ -25,7 +25,7 @@ it('set locale for one instance only', () => {
 
   expect(dayjs('2018-4-28')
     .locale(es).format(format))
-    .toBe('Sábado 28, Abril')
+    .toBe('sábado 28, Abril')
 
   expect(dayjs('2018-4-28')
     .format(format))
@@ -38,7 +38,7 @@ it('set global locale', () => {
     .toBe('Saturday 28, April')
   dayjs.locale(es)
   expect(dayjs('2018-4-28').format(format))
-    .toBe('Sábado 28, Abril')
+    .toBe('sábado 28, Abril')
   dayjs.locale('en')
   expect(dayjs('2018-4-28').format(format))
     .toBe('Saturday 28, April')
@@ -50,10 +50,10 @@ it('immutable instance locale', () => {
   expect(origin.format(format))
     .toBe('Saturday 28, April')
   expect(origin.locale('es').format(format))
-    .toBe('Sábado 28, Abril')
+    .toBe('sábado 28, Abril')
   const changed = origin.locale('es')
   expect(changed.format(format))
-    .toBe('Sábado 28, Abril')
+    .toBe('sábado 28, Abril')
   expect(origin.format(format))
     .toBe('Saturday 28, April')
 })
@@ -73,29 +73,29 @@ describe('Instance locale inheritance', () => {
 
   it('Clone', () => {
     expect(esDayjs.clone().format(format))
-      .toBe('Sábado 28, Abril')
+      .toBe('sábado 28, Abril')
     expect(dayjs(esDayjs).format(format))
-      .toBe('Sábado 28, Abril')
+      .toBe('sábado 28, Abril')
   })
 
   it('StartOf EndOf', () => {
     expect(esDayjs.startOf('year').format(format))
-      .toBe('Lunes 1, Enero')
+      .toBe('lunes 1, Enero')
     expect(esDayjs.endOf('day').format(format))
-      .toBe('Sábado 28, Abril')
+      .toBe('sábado 28, Abril')
   })
 
   it('Set', () => {
     expect(esDayjs.set('year', 2017).format(format))
-      .toBe('Viernes 28, Abril')
+      .toBe('viernes 28, Abril')
   })
 
   it('Add', () => {
     expect(esDayjs.add(1, 'year').format(format))
-      .toBe('Domingo 28, Abril')
+      .toBe('domingo 28, Abril')
     expect(esDayjs.add(1, 'month').format(format))
-      .toBe('Lunes 28, Mayo')
+      .toBe('lunes 28, Mayo')
     expect(esDayjs.add(1, 'minute').format(format))
-      .toBe('Sábado 28, Abril')
+      .toBe('sábado 28, Abril')
   })
 })

From 3bd06f2a028da36275d65b1aa6fdf340dbd779b3 Mon Sep 17 00:00:00 2001
From: louis <1891109+dotlouis@users.noreply.github.com>
Date: Sat, 2 Feb 2019 05:18:21 +0100
Subject: [PATCH 7/7] chore: Added shorthand units to UnitType (#470)

---
 index.d.ts | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 40f877f5c..de605a8a8 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -7,7 +7,11 @@ declare namespace dayjs {
 
   export type OptionType = { locale: string }
 
-  export type UnitType = 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | 'week' | 'month' | 'quarter' | 'year' | 'date'
+  type UnitTypeShort = 'd' | 'M' | 'y' | 'h' | 'm' | 's' | 'ms'
+  export type UnitType = 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | 'month' | 'quarter' | 'year' | 'date' | UnitTypeShort;
+
+  type OpUnitTypeShort = 'w'
+  export type OpUnitType = UnitType | "week" | OpUnitTypeShort;
 
   interface DayjsObject {
     years: number
@@ -44,17 +48,17 @@ declare namespace dayjs {
 
     set(unit: UnitType, value: number): Dayjs
 
-    add(value: number, unit: UnitType): Dayjs
+    add(value: number, unit: OpUnitType): Dayjs
 
-    subtract(value: number, unit: UnitType): Dayjs
+    subtract(value: number, unit: OpUnitType): Dayjs
 
-    startOf(unit: UnitType): Dayjs
+    startOf(unit: OpUnitType): Dayjs
 
-    endOf(unit: UnitType): Dayjs
+    endOf(unit: OpUnitType): Dayjs
 
     format(template?: string): string
 
-    diff(dayjs: Dayjs, unit: UnitType, float?: boolean): number
+    diff(dayjs: Dayjs, unit: OpUnitType, float?: boolean): number
 
     valueOf(): number
 
@@ -74,11 +78,11 @@ declare namespace dayjs {
 
     toString(): string
 
-    isBefore(dayjs: Dayjs, unit?: UnitType): boolean
+    isBefore(dayjs: Dayjs, unit?: OpUnitType): boolean
 
-    isSame(dayjs: Dayjs, unit?: UnitType): boolean
+    isSame(dayjs: Dayjs, unit?: OpUnitType): boolean
 
-    isAfter(dayjs: Dayjs, unit?: UnitType): boolean
+    isAfter(dayjs: Dayjs, unit?: OpUnitType): boolean
 
     isLeapYear(): boolean