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refactor: Simplify state destructuring in handlePreviewTextScrollBarPointerMove function #256

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Merged
levivilet merged 3 commits into from
May 10, 2026
Merged

refactor: Simplify state destructuring in handlePreviewTextScrollBarPointerMove function #256

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ae8b120
refactor: Simplify state destructuring in handlePreviewTextScrollBarP…
levivilet May 10, 2026
4bb6c49
memory
levivilet May 10, 2026
7c27e11
fix
levivilet May 10, 2026
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2 changes: 1 addition & 1 deletion packages/build/src/config.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import { join } from 'node:path'
import { root } from './root.ts'

export const threshold = 600_000
export const threshold = 620_000

export const instantiations = 200_000

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7 changes: 4 additions & 3 deletions .../src/parts/HandlePreviewTextScrollBarPointerMove/HandlePreviewTextScrollBarPointerMove.ts
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Expand Up @@ -3,16 +3,17 @@ import { getPreviewTextBodyY } from '../PreviewTextBodyY/PreviewTextBodyY.ts'
import { getPreviewTextViewportHeight, getPreviewVirtualizationState, setPreviewTextDeltaY } from '../PreviewVirtualization/PreviewVirtualization.ts'

export const handlePreviewTextScrollBarPointerMove = (state: ChatDebugViewState, eventY: number): ChatDebugViewState => {
if (!state.previewTextScrollBarPointerActive) {
const { previewTextDeltaY, previewTextScrollBarHandleOffset, previewTextScrollBarPointerActive, selectedEvent } = state
if (!previewTextScrollBarPointerActive) {
return state
}
const viewportHeight = getPreviewTextViewportHeight(state)
const virtualization = getPreviewVirtualizationState(state.selectedEvent, viewportHeight, state.previewTextDeltaY)
const virtualization = getPreviewVirtualizationState(selectedEvent, viewportHeight, previewTextDeltaY)
if (viewportHeight === 0 || virtualization.scrollBarHeight === 0) {
return state
}
const relativeY = eventY - getPreviewTextBodyY(state)
const nextHandleTop = Math.max(0, Math.min(viewportHeight - virtualization.scrollBarHeight, relativeY - state.previewTextScrollBarHandleOffset))
const nextHandleTop = Math.max(0, Math.min(viewportHeight - virtualization.scrollBarHeight, relativeY - previewTextScrollBarHandleOffset))
const percent = nextHandleTop / Math.max(1, viewportHeight - virtualization.scrollBarHeight)
const nextState = setPreviewTextDeltaY(state, percent * virtualization.maxDeltaY)
return {
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