fix(timeline): expand initial timeline height and dynamically adjust for stacked audio lanes - #611
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📝 WalkthroughWalkthrough
ChangesAdaptive timeline height
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to The timeline opens at 392px and permits resizing to 560px rather than the specified 344px default and 520px limit, producing a user-visible behavior mismatch. Same-kind overlapping audio lanes also lack direct validation, so the intended stacking behavior remains insufficiently covered. Sequence Diagram(s)sequenceDiagram
participant EditorShell as NewEditorShell
participant AudioTracks as audioTracks
participant Storage as localStorage
participant Timeline as V4Timeline
EditorShell->>AudioTracks: computeAudioRowCount(tracks)
EditorShell->>Storage: read and migrate saved height
EditorShell->>EditorShell: clamp base height and add row expansion
Timeline->>EditorShell: submit pointer resize
EditorShell->>Storage: persist clamped base height
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Actionable comments posted: 2
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Inline comments:
In `@src/components/ai-edition/NewEditorShell.timelineHeight.test.tsx`:
- Around line 122-127: Add tests in the timeline height suite covering a
localStorage value below the minimum and pointer resizing through
startTimelineResize beyond both bounds. Assert heights clamp to
MIN_TIMELINE_HEIGHT_PX and MAX_TIMELINE_HEIGHT_PX, while retaining the existing
upper localStorage clamp coverage.
In `@src/components/ai-edition/NewEditorShell.tsx`:
- Around line 126-127: Update the migration logic around the timeline height
initialization to persist the converted DEFAULT_TIMELINE_HEIGHT_PX value when
the stored height is missing or the legacy 308 value, using a one-time marker or
versioned storage key. Ensure later user-selected heights, including 308 saved
by the resize handler, are preserved on subsequent mounts, and extend the
migration test to assert the persisted value.
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Inline comments:
In `@src/components/ai-edition/NewEditorShell.tsx`:
- Line 109: Update DEFAULT_TIMELINE_HEIGHT_PX in
src/components/ai-edition/NewEditorShell.tsx:109-109 to 392, and update the
corresponding default assertion in
src/components/ai-edition/NewEditorShell.timelineHeight.test.tsx:96-96 to expect
392.
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…for stacked audio lanes
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Inline comments:
In `@src/components/ai-edition/NewEditorShell.tsx`:
- Around line 113-115: Update DEFAULT_TIMELINE_HEIGHT_PX to 344 and
MAX_TIMELINE_HEIGHT_PX to 520 in NewEditorShell.tsx; leave
MIN_TIMELINE_HEIGHT_PX unchanged. Update the corresponding assertions in
src/components/ai-edition/NewEditorShell.timelineHeight.test.tsx at lines 98-101
to expect 344 and 520.
In `@src/lib/ai-edition/document/audioTracks.test.ts`:
- Around line 382-385: Add a test alongside the existing computeAudioRowCount
cases using two same-kind tracks whose time ranges overlap, then assert that
computeAudioRowCount returns 2. Keep the existing non-overlapping track test
unchanged.
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Requested in the PR #611 review: exercise computeAudioRowCount with overlapping same-kind tracks, asserting they stack on 2 rows.
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Summary
DEFAULT_TIMELINE_HEIGHT_PX), allowing all standard lanes (Annotation, Speed, Trim, Zoom, Full Camera, single/empty Audio lane with hint, and Video clips) to be fully visible without vertical clipping or vertical scrollbars.localStorageto the new default (392px), while preserving explicit custom user choices.MAX_TIMELINE_HEIGHT_PXto 560px (from 480px) to provide ample resizing headroom.Related issue
Type of change
Release impact
Desktop impact
Screenshots / video
Testing
npx vitest --run src/components/ai-edition/NewEditorShell.timelineHeight.test.tsxnpx vitest --run src/lib/ai-edition/document/audioTracks.test.tsnpx vitest --run src/components/ai-edition/v4/V4Timeline.geometry.test.tsxnpx tsc --noEmitnpx tsc -p tsconfig.test.json --noEmitnpm run lintSummary by CodeRabbit
New Features
Tests