From 66210d1d2ef745153c1b630090fc62defabbbd64 Mon Sep 17 00:00:00 2001
From: kangfenmao <kangfenmao@qq.com>
Date: Sat, 14 Sep 2024 16:17:35 +0800
Subject: [PATCH] fix:  remove trailing double spaces from markdown strings

---
 src/renderer/src/pages/home/Messages/Message.tsx | 4 ++--
 src/renderer/src/utils/index.ts                  | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/renderer/src/pages/home/Messages/Message.tsx b/src/renderer/src/pages/home/Messages/Message.tsx
index bb2a7bff..d6135e06 100644
--- a/src/renderer/src/pages/home/Messages/Message.tsx
+++ b/src/renderer/src/pages/home/Messages/Message.tsx
@@ -18,7 +18,7 @@ import { useSettings } from '@renderer/hooks/useSettings'
 import { useRuntime } from '@renderer/hooks/useStore'
 import { EVENT_NAMES, EventEmitter } from '@renderer/services/event'
 import { Message, Model } from '@renderer/types'
-import { firstLetter, removeLeadingEmoji } from '@renderer/utils'
+import { firstLetter, removeLeadingEmoji, removeTrailingDoubleSpaces } from '@renderer/utils'
 import { Alert, Avatar, Divider, Dropdown, Popconfirm, Tooltip } from 'antd'
 import dayjs from 'dayjs'
 import { upperFirst } from 'lodash'
@@ -54,7 +54,7 @@ const MessageItem: FC<Props> = ({ message, index, showMenu, onDeleteMessage }) =
   const showMetadata = Boolean(message.usage) && !generating
 
   const onCopy = useCallback(() => {
-    navigator.clipboard.writeText(message.content)
+    navigator.clipboard.writeText(removeTrailingDoubleSpaces(message.content))
     window.message.success({ content: t('message.copied'), key: 'copy-message' })
     setCopied(true)
     setTimeout(() => setCopied(false), 2000)
diff --git a/src/renderer/src/utils/index.ts b/src/renderer/src/utils/index.ts
index a8373097..31bf5a4f 100644
--- a/src/renderer/src/utils/index.ts
+++ b/src/renderer/src/utils/index.ts
@@ -224,3 +224,8 @@ export function getBriefInfo(text: string, maxLength: number = 50): string {
   // 截取前面的内容，并在末尾添加 "..."
   return truncatedText + '...'
 }
+
+export function removeTrailingDoubleSpaces(markdown: string): string {
+  // 使用正则表达式匹配末尾的两个空格，并替换为空字符串
+  return markdown.replace(/ {2}$/gm, '')
+}