[O] Auto prepare next song

README.md

@@ -16,7 +16,7 @@ Practice Japanese Karaoke lyrics reading and typing at the same time with KaraDa
 * [x] 唱歌模式
   * [x] 自动分离人声和伴奏
     * [ ] 分段处理以加快初始加载速度
-    * [ ] 自动预处理下一首歌
+    * [x] 自动预处理下一首歌
   * [x] 调节人声伴奏比例
   * [x] 跟随音乐滚动歌词
   * [ ] 升降调

src/routes/song/[id]/+page.svelte

@@ -8,6 +8,7 @@
   import { artistAndAlbum } from "$lib/utils"
   import { getI18n } from "$lib/i18n"
   import { typingSettingsDefault } from "$lib/types"
+    import { getNextSong } from "$lib/ui/player/SongSwitching.js";
 
   const t = getI18n().song.mode
 
@@ -41,6 +42,9 @@
 
   async function startLoading() {
     await API.song.prepare(data.song.id)
+
+    // Auto prepare next song
+    await getNextSong(data.playlist, data.user.data.loc)?.let(async next => await API.song.prepare(next))
     const interval = setInterval(async () => {
       const res = await API.song.status(data.song.id)
       const state = res.status
@@ -70,7 +74,7 @@
         clearInterval(interval)
         progressPercentage = 100
       } else if (state.status === "error") {
-          clearInterval(interval)
+        clearInterval(interval)
       }
     }, 1000)
   }