From 043c3b7aa733853479c0c39081a9788aa4ed0410 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Wed, 28 Oct 2020 13:53:53 +0800
Subject: [PATCH] fix: update localeData plugin to support meridiem

fix #1172
---
 src/plugin/localeData/index.js | 7 ++++---
 test/plugin/localeData.test.js | 7 +++++++
 types/plugin/localeData.d.ts   | 2 ++
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/plugin/localeData/index.js b/src/plugin/localeData/index.js
index 65d6e234b..579c0ec36 100644
--- a/src/plugin/localeData/index.js
+++ b/src/plugin/localeData/index.js
@@ -28,8 +28,8 @@ export default (o, c, dayjs) => { // locale needed later
         (instance ? instance.format('dd') : getShort(this, 'weekdaysMin', 'weekdays', 2)),
       weekdaysShort: instance =>
         (instance ? instance.format('ddd') : getShort(this, 'weekdaysShort', 'weekdays', 3)),
-      longDateFormat: format => getLongDateFormat(this.$locale(), format)
-
+      longDateFormat: format => getLongDateFormat(this.$locale(), format),
+      meridiem: this.$locale().meridiem
     }
   }
   proto.localeData = function () {
@@ -45,7 +45,8 @@ export default (o, c, dayjs) => { // locale needed later
       weekdaysMin: () => dayjs.weekdaysMin(),
       months: () => dayjs.months(),
       monthsShort: () => dayjs.monthsShort(),
-      longDateFormat: format => getLongDateFormat(localeObject, format)
+      longDateFormat: format => getLongDateFormat(localeObject, format),
+      meridiem: localeObject.meridiem
     }
   }
 
diff --git a/test/plugin/localeData.test.js b/test/plugin/localeData.test.js
index 829856406..6aa9637b6 100644
--- a/test/plugin/localeData.test.js
+++ b/test/plugin/localeData.test.js
@@ -103,3 +103,10 @@ it('Locale order', () => {
   moment.locale('en')
   expect(dayjs.weekdays(true)).toEqual(moment.weekdays(true))
 })
+
+it('meridiem', () => {
+  dayjs.locale('zh-cn')
+  expect(typeof dayjs.localeData().meridiem).toEqual('function')
+  expect(typeof dayjs().localeData().meridiem).toEqual('function')
+  dayjs.locale('en')
+})
diff --git a/types/plugin/localeData.d.ts b/types/plugin/localeData.d.ts
index 6b0c11c02..bc0aa14bd 100644
--- a/types/plugin/localeData.d.ts
+++ b/types/plugin/localeData.d.ts
@@ -15,6 +15,7 @@ declare module 'dayjs' {
     months(instance?: Dayjs): MonthNames;
     monthsShort(instance?: Dayjs): MonthNames;
     longDateFormat(format: string): string;
+    meridiem(hour?: number, minute?: number, isLower?: boolean): string;
   }
 
   interface GlobalLocaleDataReturn {
@@ -25,6 +26,7 @@ declare module 'dayjs' {
     months(): MonthNames;
     monthsShort(): MonthNames;
     longDateFormat(format: string): string;
+    meridiem(hour?: number, minute?: number, isLower?: boolean): string;
   }
 
   interface Dayjs {