fix slider

src/screens/Library/MusicDetails.web.js

@@ -55,6 +55,7 @@ const MusicDetails = ({ route }) => {
   const [fav, setFav] = useState(false);
   const [currentUID] = useGlobal("currentUID");
   const wasPlayingBeforeSeek = React.useRef(false);
+  const lastSeekTargetMs = React.useRef(null);
   const listenedMsRef = React.useRef(0);
   const incrementDoneRef = React.useRef(false);
   const timerRef = React.useRef(null);
@@ -220,6 +221,13 @@ const MusicDetails = ({ route }) => {
   const handleSliderSeekStart = useCallback(async () => {
     if (!trackDescriptor) return;
     try {
+      console.log("[MusicDetails.web] handleSliderSeekStart", {
+        isCurrentTrack,
+        isTrackPlaying,
+        positionMs,
+        durationMs,
+      });
+      lastSeekTargetMs.current = null;
       wasPlayingBeforeSeek.current = isTrackPlaying;
       if (!isCurrentTrack) {
         await ensureLoaded({
@@ -240,6 +248,8 @@ const MusicDetails = ({ route }) => {
     ensureLoaded,
     positionMs,
     pauseTrack,
+    lastSeekTargetMs,
+    durationMs,
   ]);
 
   const handleSliderSeek = useCallback(
@@ -247,6 +257,13 @@ const MusicDetails = ({ route }) => {
       const dur = durationMs || 0;
       if (!trackDescriptor || dur <= 0) return;
       const targetMs = Math.max(0, Math.floor(dur * ratio));
+      lastSeekTargetMs.current = targetMs;
+      console.log("[MusicDetails.web] handleSliderSeek", {
+        ratio,
+        durationMs: dur,
+        targetMs,
+        isCurrentTrack,
+      });
       try {
         if (!isCurrentTrack) {
           await ensureLoaded({ startPositionMs: targetMs, autoPlay: false });
@@ -261,14 +278,30 @@ const MusicDetails = ({ route }) => {
   );
 
   const handleSliderSeekEnd = useCallback(async () => {
+    const targetMs =
+      typeof lastSeekTargetMs.current === "number"
+        ? Math.max(0, lastSeekTargetMs.current)
+        : null;
+    console.log("[MusicDetails.web] handleSliderSeekEnd", {
+      targetMs,
+      wasPlayingBeforeSeek: wasPlayingBeforeSeek.current,
+      isCurrentTrack,
+      positionMs,
+    });
     try {
       if (wasPlayingBeforeSeek.current) {
         if (!isCurrentTrack) {
           await ensureLoaded({
-            startPositionMs: positionMs,
+            startPositionMs:
+              targetMs !== null && Number.isFinite(targetMs)
+                ? targetMs
+                : positionMs,
             autoPlay: true,
           });
         } else {
+          if (targetMs !== null && Number.isFinite(targetMs)) {
+            await seekTrackTo(targetMs);
+          }
           await resumeTrack();
         }
       }
@@ -276,8 +309,15 @@ const MusicDetails = ({ route }) => {
       console.log("MusicDetails seek end error", e?.message);
     } finally {
       wasPlayingBeforeSeek.current = false;
+      lastSeekTargetMs.current = null;
     }
-  }, [ensureLoaded, isCurrentTrack, positionMs, resumeTrack]);
+  }, [
+    ensureLoaded,
+    isCurrentTrack,
+    positionMs,
+    resumeTrack,
+    seekTrackTo,
+  ]);
 
   const handleSeekBySeconds = useCallback(
     async (deltaSeconds) => {