From 90b49106f09f9da965a624f1639d64aef4de4145 Mon Sep 17 00:00:00 2001
From: baka-gourd <36119339+baka-gourd@users.noreply.github.com>
Date: Sat, 28 May 2022 20:53:24 +0800
Subject: [PATCH] add chs date format

---
 src/package/utils/ago.ts | 56 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/package/utils/ago.ts b/src/package/utils/ago.ts
index 9cefe6efd..4e180c6c8 100644
--- a/src/package/utils/ago.ts
+++ b/src/package/utils/ago.ts
@@ -28,6 +28,8 @@ export function ago(
 		{ ge: 30 * SECOND, divisor: SECOND, unit: 'seconds' },
 		{ ge: 0, divisor: 1, text: 'just now' },
 	]
+	// must get language from browser
+	const firstLanguage = navigator.language
 	const now = typeof nowDate === 'object' ? nowDate.getTime() : new Date(nowDate).getTime()
 	const diff = now - (typeof date === 'object' ? date : new Date(date)).getTime()
 	const diffAbs = Math.abs(diff)
@@ -35,6 +37,9 @@ export function ago(
 		if (diffAbs >= interval.ge) {
 			const x = Math.round(Math.abs(diff) / interval.divisor)
 			const isFuture = diff < 0
+			if (firstLanguage === 'zh-CN' || firstLanguage === 'zh') {
+				return chs_format(x, isFuture, interval.unit as Unit)
+			}
 			return interval.unit ? rft.format(isFuture ? x : -x, interval.unit as Unit) : interval.text
 		}
 	}
@@ -55,3 +60,54 @@ type Unit =
 	| 'months'
 	| 'year'
 	| 'years'
+
+type ChsUnit = '秒' | '分' | '小时' | '天' | '周' | '月' | '年'
+
+/**
+ * Convert unit to chinese unit
+ * @param unit
+ * @returns {ChsUnit}
+ */
+function convertUnitToChsUnit(unit: Unit): ChsUnit {
+	switch (unit) {
+		case 'second':
+		case 'seconds':
+			return '秒'
+		case 'minute':
+		case 'minutes':
+			return '分'
+		case 'hour':
+		case 'hours':
+			return '小时'
+		case 'day':
+		case 'days':
+			return '天'
+		case 'week':
+		case 'weeks':
+			return '周'
+		case 'month':
+		case 'months':
+			return '月'
+		case 'year':
+		case 'years':
+			return '年'
+	}
+}
+
+/**
+ * The default converter provided by js does not conform to Chinese typography.
+ * @param value date value
+ * @param isFuture
+ * @param unit
+ * @returns {string}
+ */
+function chs_format(value: number, isFuture: boolean, unit: Unit): string {
+	const chsUnit = convertUnitToChsUnit(unit)
+	let quantifier = ''
+	switch (chsUnit) {
+		case '月':
+		case '小时':
+			quantifier = '个'
+	}
+	return `${value} ${quantifier}${chsUnit}${isFuture ? '后' : '前'}`
+}
\ No newline at end of file