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fix: di chuyển dspSelectionStats xuống dưới khai báo selLeft/selRight để tránh ReferenceError

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This commit is contained in:
3dtours
2026-07-22 18:15:06 +07:00
parent a8b484bd15
commit d39b3f74ff
2 changed files with 77 additions and 77 deletions
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app/static/js/app.precompiled.js
+38 -39
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@@ -3246,45 +3246,6 @@ const App = () => {
const [subTabs, setSubTabs] = useState([]); // [{id, label, trackId, startTime, endTime, buffer, effects, currentTime, selectionStart, selectionEnd, isPlaying}, ...]
const [selectionCleared, setSelectionCleared] = useState(false); // LOOP_EDITOR_2.md §4.2
const dspSelectionStats = useMemo(() => {
const track = tracks.find(t => t.id === selectedTrackId);
if (!track) return null;
const numChannels = track.buffer ? track.buffer.numberOfChannels || 1 : 0;
if (selLeft === null || selRight === null || selRight <= selLeft || !track.buffer) {
return {
trackName: track.name,
channels: numChannels,
timeRange: 'Chưa chọn vùng',
peakVolume: 'N/A'
};
}
const buffer = track.buffer;
const sampleRate = buffer.sampleRate;
const startSample = Math.max(0, Math.min(buffer.length - 1, Math.floor(selLeft * sampleRate)));
const endSample = Math.max(0, Math.min(buffer.length, Math.floor(selRight * sampleRate)));
let maxVal = 0;
for (let c = 0; c < numChannels; c++) {
const data = buffer.getChannelData(c);
for (let i = startSample; i < endSample; i++) {
const val = Math.abs(data[i]);
if (val > maxVal) maxVal = val;
}
}
let peakDb = 'N/A';
if (maxVal > 0) {
const db = 20 * Math.log10(maxVal);
peakDb = db.toFixed(2) + ' dB';
} else {
peakDb = '-∞ dB';
}
return {
trackName: track.name,
channels: numChannels,
timeRange: `${selLeft.toFixed(2)}s - ${selRight.toFixed(2)}s (${(selRight - selLeft).toFixed(2)}s)`,
peakVolume: peakDb
};
}, [tracks, selectedTrackId, selLeft, selRight]);
// ── Temp Edit Tab (LOOP_EDITOR_2.md §1.2 Sub Tab) ──
const [tempTabActive, setTempTabActive] = useState(false);
const [tempTabBuffer, setTempTabBuffer] = useState(null);
@@ -5143,6 +5104,44 @@ const App = () => {
if (selectionStart === null || selectionEnd === null) return null;
return Math.max(selectionStart, selectionEnd);
}, [selectionStart, selectionEnd, selectionMode, localSelectionStart, localSelectionEnd]);
const dspSelectionStats = useMemo(() => {
const track = tracks.find(t => t.id === selectedTrackId);
if (!track) return null;
const numChannels = track.buffer ? track.buffer.numberOfChannels || 1 : 0;
if (selLeft === null || selRight === null || selRight <= selLeft || !track.buffer) {
return {
trackName: track.name,
channels: numChannels,
timeRange: 'Chưa chọn vùng',
peakVolume: 'N/A'
};
}
const buffer = track.buffer;
const sampleRate = buffer.sampleRate;
const startSample = Math.max(0, Math.min(buffer.length - 1, Math.floor(selLeft * sampleRate)));
const endSample = Math.max(0, Math.min(buffer.length, Math.floor(selRight * sampleRate)));
let maxVal = 0;
for (let c = 0; c < numChannels; c++) {
const data = buffer.getChannelData(c);
for (let i = startSample; i < endSample; i++) {
const val = Math.abs(data[i]);
if (val > maxVal) maxVal = val;
}
}
let peakDb = 'N/A';
if (maxVal > 0) {
const db = 20 * Math.log10(maxVal);
peakDb = db.toFixed(2) + ' dB';
} else {
peakDb = '-∞ dB';
}
return {
trackName: track.name,
channels: numChannels,
timeRange: `${selLeft.toFixed(2)}s - ${selRight.toFixed(2)}s (${(selRight - selLeft).toFixed(2)}s)`,
peakVolume: peakDb
};
}, [tracks, selectedTrackId, selLeft, selRight]);
// ── Toast helper ──
const showToast = (text, type = 'info') => {