优化代码逻辑，修复潜在播放问题

src/renderer/utils/compositions/useKeyDown.ts

@@ -21,7 +21,7 @@ export default (name: string) => {
   }
 
   const handle_key_up = () => {
-    if (keyDown.value) keyDown.value = false
+    keyDown.value &&= false
   }
 
   onMounted(() => {

src/renderer/utils/compositions/useLyric.js

@@ -128,7 +128,7 @@ export default ({ isPlay, lyric, playProgress, isShowLyricProgressSetting, offse
   }
   const handleMove = (y) => {
     if (isMsDown.value) {
-      if (!isStopScroll.value) isStopScroll.value = true
+      isStopScroll.value ||= true
       if (cancelScrollFn) {
         cancelScrollFn()
         cancelScrollFn = null
@@ -150,7 +150,7 @@ export default ({ isPlay, lyric, playProgress, isShowLyricProgressSetting, offse
 
   const handleWheel = (event) => {
     console.log(event.deltaY)
-    if (!isStopScroll.value) isStopScroll.value = true
+    isStopScroll.value ||= true
     if (cancelScrollFn) {
       cancelScrollFn()
       cancelScrollFn = null
@@ -197,7 +197,7 @@ export default ({ isPlay, lyric, playProgress, isShowLyricProgressSetting, offse
   const scrollLine = (line, oldLine) => {
     if (line < 0) return
     if (line == 0 && isSetedLines) return isSetedLines = false
-    if (isSetedLines) isSetedLines = false
+    isSetedLines &&= false
     if (oldLine == null || line - oldLine != 1) return handleScrollLrc()
 
     delayScrollTimeout = setTimeout(() => {

src/renderer/utils/data.ts

@@ -44,7 +44,7 @@ const saveViewPrevStateThrottle = throttle((state) => {
 }, 1000)
 
 const initPosition = async() => {
-  if (listPosition == null) listPosition = await getListPositionInfoFromData() ?? {}
+  listPosition ??= await getListPositionInfoFromData() ?? {}
 }
 export const getListPosition = async(id: string): Promise<number> => {
   await initPosition()
@@ -74,7 +74,7 @@ const saveListPrevSelectIdThrottle = throttle(() => {
   saveListPrevSelectIdFromData(listPrevSelectId)
 }, 200)
 export const getListPrevSelectId = async() => {
-  if (listPrevSelectId == null) listPrevSelectId = await getListPrevSelectIdFromData() ?? LIST_IDS.DEFAULT
+  listPrevSelectId ??= await getListPrevSelectIdFromData() ?? LIST_IDS.DEFAULT
   return listPrevSelectId ?? LIST_IDS.DEFAULT
 }
 export const saveListPrevSelectId = (id: string) => {
@@ -138,7 +138,7 @@ export const overwriteListUpdateInfo = async(ids: string[]) => {
 
 
 export const getSearchSetting = async() => {
-  if (!searchSetting) searchSetting = await getSearchSettingFromData()
+  searchSetting ??= await getSearchSettingFromData()
   return { ...searchSetting }
 }
 export const setSearchSetting = async(setting: Partial<typeof DEFAULT_SETTING['search']>) => {
@@ -154,7 +154,7 @@ export const setSearchSetting = async(setting: Partial<typeof DEFAULT_SETTING['s
 }
 
 export const getSongListSetting = async() => {
-  if (!songListSetting) songListSetting = await getSongListSettingFromData()
+  songListSetting ??= await getSongListSettingFromData()
   return { ...songListSetting }
 }
 export const setSongListSetting = async(setting: Partial<typeof DEFAULT_SETTING['songList']>) => {
@@ -164,7 +164,7 @@ export const setSongListSetting = async(setting: Partial<typeof DEFAULT_SETTING[
 }
 
 export const getLeaderboardSetting = async() => {
-  if (!leaderboardSetting) leaderboardSetting = await getLeaderboardSettingFromData()
+  leaderboardSetting ??= await getLeaderboardSettingFromData()
   return { ...leaderboardSetting }
 }
 export const setLeaderboardSetting = async(setting: Partial<typeof DEFAULT_SETTING['leaderboard']>) => {

src/renderer/utils/index.ts

@@ -27,7 +27,7 @@ export const dateFormat2 = (time: number): string => {
  */
 let dom_title = document.getElementsByTagName('title')[0]
 export const setTitle = (title: string | null) => {
-  if (!title) title = '洛雪音乐助手'
+  title ||= '洛雪音乐助手'
   dom_title.innerText = title
 }