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fix(board): slow the edge auto-scroll while dragging a card on mobile #47

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Merged
bryankennedy merged 1 commit into from
Jun 30, 2026
Merged

fix(board): slow the edge auto-scroll while dragging a card on mobile #47

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8 changes: 8 additions & 0 deletions src/client/pages/Home.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -485,6 +485,14 @@ export default function Home({ workspace }: { workspace: WorkspacePayload }) {
<DndContext
sensors={sensors}
collisionDetection={collisionDetection}
// Tame the edge auto-scroll. dnd-kit's default acceleration (10) scrolls
// the board ~2000px/s when a dragged card reaches the left/right edge —
// far too fast to land in the intended column on a phone, where only
// ~one column is visible (PROG-79 follow-up). Halving acceleration caps
// the top speed while keeping the smooth 5ms scroll cadence (lowering it
// further is the knob to turn if it's still fast; raising `interval`
// instead would make the motion choppy).
autoScroll={{ acceleration: 5 }}
onDragStart={onDragStart}
onDragOver={onDragOver}
onDragEnd={onDragEnd}
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