From 15d1b813e7faf5a1f9d1ea6fc673fd27ac49d8b1 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Mon, 9 Dec 2019 02:43:46 +0800
Subject: [PATCH] fix: Update locale (zh-cn) meridiem (#735)

---
 src/locale/zh-cn.js       | 16 +++++++++++++++-
 test/locale/zh-cn.test.js | 21 +++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 test/locale/zh-cn.test.js

diff --git a/src/locale/zh-cn.js b/src/locale/zh-cn.js
index 3e01f2382..f15951751 100644
--- a/src/locale/zh-cn.js
+++ b/src/locale/zh-cn.js
@@ -43,7 +43,21 @@ const locale = {
     y: '1 年',
     yy: '%d 年'
   },
-  meridiem: hour => (hour < 12 ? '上午' : '下午')
+  meridiem: (hour, minute) => {
+    const hm = (hour * 100) + minute
+    if (hm < 600) {
+      return '凌晨'
+    } else if (hm < 900) {
+      return '早上'
+    } else if (hm < 1130) {
+      return '上午'
+    } else if (hm < 1230) {
+      return '中午'
+    } else if (hm < 1800) {
+      return '下午'
+    }
+    return '晚上'
+  }
 }
 
 dayjs.locale(locale, null, true)
diff --git a/test/locale/zh-cn.test.js b/test/locale/zh-cn.test.js
new file mode 100644
index 000000000..7bde81e67
--- /dev/null
+++ b/test/locale/zh-cn.test.js
@@ -0,0 +1,21 @@
+import moment from 'moment'
+import MockDate from 'mockdate'
+import dayjs from '../../src'
+import '../../src/locale/zh-cn'
+
+beforeEach(() => {
+  MockDate.set(new Date())
+})
+
+afterEach(() => {
+  MockDate.reset()
+})
+
+it('Meridiem', () => {
+  const dayjsObj = dayjs().locale('zh-cn')
+  const momentObj = moment().locale('zh-cn')
+  for (let i = 0; i <= 24; i += 1) {
+    expect(dayjsObj.add(i, 'hour').format('A'))
+      .toEqual(momentObj.clone().add(i, 'hour').format('A'))
+  }
+})